China wholesaler CHINAMFG Llb Type Flexible Rubber Tyre Coupling for Metallurgy, Mining

Product Description

Newest High-Speed Resilient Rubber Tyre Coupling

The LLB Flexible Tyre Coupling is a kind of high elastic coupling, with good damping buffer and superior offset compensation performance.
The working temperature of 20~80 degrees Celsius, transmitting torque 10~20000NM, suitable for damp, dust, shock, vibration, reversing the changeable and frequent starting working conditions, and convenient assembly and disassembly, no lubrication, durable and reliable. Non standard couplings are made in accordance with special needs. In overloading work and half coupling, there will be no malignant accidents.
 

Advantages:

  1. Excellent absorbency;
  2. Disassembly;
  3. No lubrication;
  4. Easy maintenance;
  5. Long lasting;

LLB Type Tyre Coupling Main Dimension And Parameter

Type Main dimension Number of screws
Md×L 
Shaft hole diameter
d dz
Shaft hole length Allowable
Torque
Allowable
Speed
Rotary inertia Mass
D D1 H   L Tn (n) kg·m2 kg
Y J1 Z1 N·m r/min
LLB1 60 20 26 12-M4×12 6-11 16-25 10 5000 0.0003 0.4
LLB2 100 36 32/37 12-M6×18 10-19 25-42 50 5000 0.0035 1.5
LLB3 120 44 39 12-M8×20 16-24 30-52 100 4000 0.01 2.2
LLB4 140 50 45 12-M10×20 22-35 38-82 160 3150 0.571 3.1
LLB5 160 60 51 12-M10×22 25-38 44-82 224 2800 0.031 5
LLB6 185 70 58 12-M12×25 30-45 60-112 315 2500 0.07 8.1
LLB7 220 85 68 12-M12×28 35-50 60-112 500 2000 0.15 13
LLB8 265 110 82 12-M12×32 40-56 84-142 800 1600 0.30 22
LLB9 310 120 106 12-M16×40 45-71 84-142 1250 1250 0.75 35
LLB10 400 150 124 12-M20×50 60-85 107-172 1600 1800 2.2 69
LLB11 445 190 140 12-M20×56 80-120 132-212 2250 1600 4.4 110
LLB12 550 238 172 16-M24×71 100-150 167-252 5000 1200 14 190
LLB13 700 318 220 24-M24×71 130-100 202-352 1000 1000 38 340

Note:Z1 type shaft hole can not be used at both ends of half couplings.

Product Show:

Our Services:

1. Design Services
Our design team has experience in tire coupling relating to product design and development. If you have any needs for your new product or wish to make further improvements, we are here to offer our support.

2. Product Services
Raw materials → Cutting → Forging →Rough machining →Shot blasting →Heat treatment →Testing →Fashioning →Cleaning→ Assembly→Packing→Shipping

3. Samples Procedure
We could develop the sample according to your requirement and amend the sample constantly to meet your need.

4. Research & Development
We usually research the new needs of the market and develop new models when there are new cars in the market.

5. Quality Control
Every step should be a special test by Professional Staff according to the standard of ISO9001 and TS16949.

 

 

FAQ
Q 1: Are you a trading company or a manufacturer?
A: We are a professional manufacturer specializing in manufacturing
various series of cardan shafts.

Q 2:Can you do OEM?
Yes, we can. We can do OEM & ODM for all the customers with customized artworks in PDF or AI format.

Q 3:How long is your delivery time?
Generally, it is 20-30 days if the goods are not in stock. It is according to quantity.

Q 4: Do you provide samples? Is it free or extra?
Yes, we could offer the sample but not for free. Actually, we have a very good price principle, when you make the bulk order the cost of the sample will be deducted.

Q 5: How long is your warranty?
A: Our Warranty is 12 months under normal circumstances.

Q 6: What is the MOQ?
A: Usually our MOQ is 1pcs.

Q 7: Do you have inspection procedures for coupling?
A:100% self-inspection before packing.

Q 8: Can I have a visit to your factory before the order?
A: Sure, welcome to visit our factory.

Q 9: What’s your payment?
A:1) T/T. 

 

Contact Us

Web: huadingcoupling
Add: No.11 HangZhou Road,Chengnan park,HangZhou City,ZheJiang Province,China

fluid coupling

Suitability of Oil Couplings for High-Temperature Environments

Oil couplings are generally suitable for applications involving high-temperature environments, provided certain considerations are taken into account:

  • Oil Selection: Choose an oil with a high temperature resistance and appropriate viscosity for the anticipated operating temperature range.
  • Oil Degradation: High temperatures can accelerate oil degradation, so regular oil analysis and maintenance are essential to monitor and replace degraded oil.
  • Sealing and Contamination: Ensure the coupling is properly sealed to prevent oil leakage and contamination, which can lead to overheating.
  • Material Compatibility: Verify that the materials used in the coupling can withstand the elevated temperatures without compromising structural integrity.
  • Cooling Methods: Consider implementing cooling mechanisms, such as forced air or cooling jackets, to dissipate excess heat.
  • Operating Conditions: Evaluate the duration and frequency of high-temperature operation and factor in any temperature fluctuations.

When appropriately designed, maintained, and monitored, oil couplings can effectively operate in high-temperature environments, providing reliable power transmission and torque conversion.

fluid coupling

Comparison of Oil Couplings with Fluid and Magnetic Couplings

Oil couplings, fluid couplings, and magnetic couplings are all used for power transmission and torque transfer in machinery. Here’s how they compare:

Oil Couplings: Oil couplings use an oil-filled chamber to transmit torque. They provide damping and allow controlled slippage during startup and overload conditions. They are well-suited for applications with varying torque and dampening requirements. However, they require regular maintenance and can be affected by oil quality and viscosity.

Fluid Couplings: Fluid couplings also use a fluid-filled chamber for torque transmission. They offer smooth and controlled start-up with no mechanical contact. Fluid couplings are ideal for applications requiring gentle acceleration, such as conveyor belts. However, they can generate heat during continuous operation and may not be suitable for high-speed applications.

Magnetic Couplings: Magnetic couplings use magnetic fields to transfer torque through a barrier, such as a wall or casing. They offer hermetic sealing and eliminate the need for mechanical seals. Magnetic couplings are often used in applications with aggressive chemicals or hazardous materials. They provide efficient torque transfer but may have limited torque capacity.

Comparison: The choice between these couplings depends on the specific requirements of the application. Oil couplings provide controlled slippage, making them suitable for applications with torque variations. Fluid couplings offer smooth acceleration and are useful for applications with start-up requirements. Magnetic couplings are ideal for applications where hermetic sealing is necessary. Consider factors like torque requirements, speed, environmental conditions, and maintenance when selecting the appropriate coupling type.

fluid coupling

Factors to Consider When Selecting an Oil Coupling for an Application

When choosing an oil coupling for a specific application, several crucial factors need to be taken into consideration to ensure optimal performance and reliability:

1. Power and Torque Requirements: Determine the power and torque levels that the coupling needs to transmit. Select a coupling model with appropriate torque and power ratings that match or exceed the application’s requirements.

2. Speed Range: Consider the operational speed range of the machinery. Choose an oil coupling that can effectively operate within the specified speed limits without causing overheating or excessive wear.

3. Load Characteristics: Analyze the nature of the load, whether it’s constant or varying. High shock loads or frequent start-stop cycles may require a coupling with better shock-absorption and overload protection capabilities.

4. Misalignment Tolerance: Assess the potential misalignment between the driving and driven shafts. If there’s a possibility of misalignment, choose an oil coupling that can handle angular, axial, and radial misalignments to prevent premature wear.

5. Environmental Conditions: Consider the operating environment, including temperature, humidity, and exposure to contaminants. Select a coupling with suitable sealing and cooling features to ensure reliable performance in harsh conditions.

6. Maintenance Requirements: Evaluate the maintenance practices required by the coupling. Some oil couplings require periodic oil changes or inspections. Choose a coupling that aligns with your maintenance capabilities and schedule.

7. Space Constraints: Consider the available installation space. Choose a compact oil coupling design that fits within the available space while maintaining the required power transmission capacity.

8. Application Type: Different applications have specific demands. For example, pumps, compressors, and conveyor systems may require different types of oil couplings optimized for their unique characteristics.

9. Cost Considerations: Balance the performance requirements with the available budget. While high-quality couplings may have a higher upfront cost, they can lead to cost savings over the long term due to reduced maintenance and downtime.

10. Manufacturer Reputation: Opt for reputable manufacturers known for producing high-quality and reliable oil couplings. This ensures that you receive a product backed by technical support and warranties.

By carefully considering these factors, you can choose the right oil coupling that meets your application’s specific needs, leading to enhanced performance, efficiency, and longevity.

China wholesaler CHINAMFG Llb Type Flexible Rubber Tyre Coupling for Metallurgy, Mining  China wholesaler CHINAMFG Llb Type Flexible Rubber Tyre Coupling for Metallurgy, Mining
editor by CX 2023-11-28

China wholesaler Flexible Flex Fluid Chain Jaw Flange Gear Rigid Spacer Pin HRC Mh Nm Universal Fenaflex Oldham Spline Clamp Tyre Grid Hydraulic Servo Motor Shaft Coupling

Product Description

Flexible flex Fluid Chain Jaw flange Gear Rigid Spacer PIN HRC MH NM universal Fenaflex Oldham spline clamp tyre grid hydraulic servo motor shaft Coupling
 

Product Description

The function of Shaft coupling:
1. Shafts for connecting separately manufactured units such as motors and generators.
2. If any axis is misaligned.
3. Provides mechanical flexibility.
4. Absorb the transmission of impact load.
5. Prevent overload

We can provide the following couplings.
 

Rigid coupling Flange coupling Oldham coupling
Sleeve or muff coupling Gear coupling Bellow coupling
Split muff coupling Flexible coupling Fluid coupling
Clamp or split-muff or compression coupling Universal coupling Variable speed coupling
Bushed pin-type coupling Diaphragm coupling Constant speed coupling

Company Profile

We are an industrial company specializing in the production of couplings. It has 3 branches: steel casting, forging, and heat treatment. Main products: cross shaft universal coupling, drum gear coupling, non-metallic elastic element coupling, rigid coupling, etc.
The company mainly produces the industry standard JB3241-91 swap JB5513-91 swc. JB3242-93 swz series universal coupling with spider type. It can also design and produce various non-standard universal couplings, other couplings, and mechanical products for users according to special requirements. Currently, the products are mainly sold to major steel companies at home and abroad, the metallurgical steel rolling industry, and leading engine manufacturers, with an annual production capacity of more than 7000 sets.
The company’s quality policy is “quality for survival, variety for development.” In August 2000, the national quality system certification authority audited that its quality assurance system met the requirements of GB/T19002-1994 IDT ISO9002:1994 and obtained the quality system certification certificate with the registration number 0900B5711. It is the first enterprise in the coupling production industry in HangZhou City that passed the ISO9002 quality and constitution certification.
The company pursues the business purpose of “reliable quality, the supremacy of reputation, commitment to business and customer satisfaction” and welcomes customers at home and abroad to choose our products.
At the same time, the company has established long-term cooperative relations with many enterprises and warmly welcomes friends from all walks of life to visit, investigate and negotiate business!

 

How to use the coupling safely

The coupling is an intermediate connecting part of each motion mechanism, which directly impacts the regular operation of each motion mechanism. Therefore, attention must be paid to:
1. The coupling is not allowed to have more than the specified axis deflection and radial displacement so as not to affect its transmission performance.
2. The bolts of the LINS coupling shall not be loose or damaged.
3. Gear coupling and cross slide coupling shall be lubricated regularly, and lubricating grease shall be added every 2-3 months to avoid severe wear of gear teeth and serious consequences.
4. The tooth width contact length of gear coupling shall not be less than 70%; Its axial displacement shall not be more significant than 5mm
5. The coupling is not allowed to have cracks. If there are cracks, it needs to be replaced (they can be knocked with a small hammer and judged according to the sound).
6. The keys of LINS coupling shall be closely matched and shall not be loosened.
7. The tooth thickness of the gear coupling is worn. When the lifting mechanism exceeds 15% of the original tooth thickness, the operating mechanism exceeds 25%, and the broken tooth is also scrapped.
8. If the elastic ring of the pin coupling and the sealing ring of the gear coupling is damaged or aged, they should be replaced in time.

 

Certifications

 

Packaging & Shipping

fluid coupling

Proper Maintenance and Lubrication of Oil Couplings

Ensuring the longevity and optimal performance of an oil coupling requires following these maintenance and lubrication practices:

  • Regular Inspection: Conduct routine visual inspections to check for oil leakage, wear, and other signs of damage.
  • Cleanliness: Keep the coupling and its surroundings clean to prevent contamination of the oil and maintain proper lubrication.
  • Lubrication: Use the recommended lubricant with the appropriate viscosity and additives to ensure efficient power transmission and cooling.
  • Lubricant Level: Monitor the oil level and maintain it within the specified range to prevent overheating and ensure proper lubrication.
  • Lubricant Quality: Regularly analyze the lubricant’s condition through oil analysis to detect contamination, degradation, or excessive wear.
  • Temperature Monitoring: Keep track of operating temperatures to prevent overheating, which can degrade the lubricant and compromise coupling performance.
  • Drain and Replace: Follow the recommended oil change intervals and flush the system if necessary to remove any contaminants or degraded oil.
  • Seal Maintenance: Check and replace seals as needed to prevent oil leaks and maintain the integrity of the lubrication system.
  • Alignment: Ensure proper alignment between the driving and driven components to prevent excessive loads and premature wear.
  • Professional Maintenance: Engage in professional maintenance services at recommended intervals to address complex issues and ensure overall system health.

By adhering to these practices, you can maximize the service life and performance of your oil coupling, leading to improved machinery efficiency and reduced downtime.

fluid coupling

Types of Oils or Lubricants Used in Oil Couplings

Oil couplings typically use various types of oils or lubricants to facilitate power transmission and reduce friction between moving parts. The choice of oil depends on factors such as application, operating conditions, and temperature range. Some common types of oils used in oil couplings include:

  • Mineral Oils: These are traditional petroleum-based oils with good lubricating properties and stability under moderate temperature and load conditions.
  • Synthetic Oils: Synthetic oils are engineered lubricants with superior temperature stability, oxidation resistance, and reduced friction. They are often used in high-temperature or extreme conditions.
  • Biodegradable Oils: In environmentally sensitive applications, biodegradable oils are chosen for their eco-friendly properties and biodegradability.
  • High-Viscosity Oils: For heavy-duty applications or situations requiring high torque transmission, oils with higher viscosity are preferred to ensure proper lubrication and load-bearing capacity.
  • Specialty Oils: Certain applications may require specialty oils, such as fire-resistant oils for safety or food-grade oils for industries like food and beverage.

The selection of the appropriate oil or lubricant is critical to ensure efficient power transmission, heat dissipation, and overall coupling performance. Manufacturers and users should consult the coupling’s specifications and operating conditions to determine the most suitable oil type.

fluid coupling

Factors to Consider When Selecting an Oil Coupling for an Application

When choosing an oil coupling for a specific application, several crucial factors need to be taken into consideration to ensure optimal performance and reliability:

1. Power and Torque Requirements: Determine the power and torque levels that the coupling needs to transmit. Select a coupling model with appropriate torque and power ratings that match or exceed the application’s requirements.

2. Speed Range: Consider the operational speed range of the machinery. Choose an oil coupling that can effectively operate within the specified speed limits without causing overheating or excessive wear.

3. Load Characteristics: Analyze the nature of the load, whether it’s constant or varying. High shock loads or frequent start-stop cycles may require a coupling with better shock-absorption and overload protection capabilities.

4. Misalignment Tolerance: Assess the potential misalignment between the driving and driven shafts. If there’s a possibility of misalignment, choose an oil coupling that can handle angular, axial, and radial misalignments to prevent premature wear.

5. Environmental Conditions: Consider the operating environment, including temperature, humidity, and exposure to contaminants. Select a coupling with suitable sealing and cooling features to ensure reliable performance in harsh conditions.

6. Maintenance Requirements: Evaluate the maintenance practices required by the coupling. Some oil couplings require periodic oil changes or inspections. Choose a coupling that aligns with your maintenance capabilities and schedule.

7. Space Constraints: Consider the available installation space. Choose a compact oil coupling design that fits within the available space while maintaining the required power transmission capacity.

8. Application Type: Different applications have specific demands. For example, pumps, compressors, and conveyor systems may require different types of oil couplings optimized for their unique characteristics.

9. Cost Considerations: Balance the performance requirements with the available budget. While high-quality couplings may have a higher upfront cost, they can lead to cost savings over the long term due to reduced maintenance and downtime.

10. Manufacturer Reputation: Opt for reputable manufacturers known for producing high-quality and reliable oil couplings. This ensures that you receive a product backed by technical support and warranties.

By carefully considering these factors, you can choose the right oil coupling that meets your application’s specific needs, leading to enhanced performance, efficiency, and longevity.

China wholesaler Flexible Flex Fluid Chain Jaw Flange Gear Rigid Spacer Pin HRC Mh Nm Universal Fenaflex Oldham Spline Clamp Tyre Grid Hydraulic Servo Motor Shaft Coupling  China wholesaler Flexible Flex Fluid Chain Jaw Flange Gear Rigid Spacer Pin HRC Mh Nm Universal Fenaflex Oldham Spline Clamp Tyre Grid Hydraulic Servo Motor Shaft Coupling
editor by CX 2023-11-27

China manufacturer Good Sale Factory Direct Sale Universal Flexible Flange Coupling

Product Description

Product Description

 

      The flange adaptor is mainly composed of body, gland,sealing ring and bolts. The body and gland are usually made of carbon steel or ductile iron, and the sealing ring is made of CHINAMFG sealing, which has good water tightness and air tightness.Supporting the use of expansion joints and butterfly valve, the flange surface between the axial extension and radial angular displacement, position and angle to compensate the error of pipe flange, eliminate the internal stress caused by pipeline pipeline temperature, bring great convenience to the installation and maintenance of pipelines.

 

Product Parameters

 

 

time description material quantity
1 end  ring stainless  steel 1
2 gasket EPDM 1
3 bolt stainless  steel N
4 body stainless  steel 1
5 plastic cap plastic N

 

Connection for pipes in material ductile iron,steel,PVC,AC etc.
Working pressure  PN10/16/25
Maximum temperature -10ºCto +70ºC
Application   Suitable for portable water, neutral liquidsand sewage

 

feature

wide tolerance  range
corrosion  resistant  construction
angular deflection ±4°
 

DN(mm) RANGE(mm) LENGTH(mm) D(mm)              BOLT
SIZE  QTY
50 59-72 75 165 M12×130 2
65 72-85 75 185 2
80 88-103 76 185 4
1/8822 0571 110 510
400 400-429 110 580
400 410-436 110 580
400 418-435 110 580
400 425-442 110 580
450 455-472 115 640 10
450 476-493 115 640
500 500-432 120 690
500 527-544 120 690
600 600-630 130 820
600 630-647 130 820

 

Special size and length can also be customized.

If you want to know more details of our products,please click here to contact us 

advantages

1. Installation and dismantling are very convenient.
2. Low price
3. Has a high integrity.

 

 

products application

Packaging & Shipping

 

Packaging

Inner:plastic film packaging.

Outer:standard export wooden case or pallet packaging. 

Shipping

1.Fed Ex/DHL/UPS/TNT for sample.Door-to-Door.

2.By Air or By Sea for batch goods for LCL/FCL;Airport /Port receiving.

3.Customers specified freight forwarders or negotiable shipping methods!

4.Delivery Time: a.in stock:immediately b.sample:2 days c.OEM/ODM:3-15 DAYS.

 

Company Profile

 

     HangZhou Ruixuan pipeline equipment factory was founded in 1996.It  is an excellent  enterprise  specializing  in manufacturing  and selling pipe fittings.It’s located  in Xicun village ,HangZhou  city,ZheJiang province ,the concentrated  area  of pipeline equipment industry  in China.The company factory  is located  in Xicun town pipeline equipment industrial park.It covered an area of20000  square  meters.

        At present, the company has the production capacity of pipeline equipment with a maximum diameter of 4000mm, and its main products are: Steel expansion joint, flexible waterproof sleeve, large diameter flange, double flange force transfer expansion joint, large deflection loose sleeve compensation joint, spherical compensation joint, sleeve compensator, bellows compensator, non-metallic compensator, rubber expansion joint, DC medium no thrust sleeve compensator, flexible expansion pipe and other pipeline equipment. The annual production capacity is 30 million sets.

      The flexible telescopic pipe equipment is mainly used in the pipeline crossing different geological structures under different conditions and the application of pipe installation drop, reduce or avoid the impact of geological settlement and crustal activity on the pipeline, so that the construction unit can save more than 50% of the cost when purchasing the equipment. The rubber expansion joint series products of the company, the maximum production diameter of 3600mm, have been applied in millions of units of thermal power projects in China for many times, and have been praised by the users.

      The company passed ISO9001:2008 quality management system certification in 2009 and ISO14000:2004 environmental management system certification in 2009. The company has a strict quality control system, standard production process, standard factory inspection hand section, to ensure that every product meets the national standards and customer requirements.

     Business philosophy: responsible production of products, return the trust of customers; To build a community with a sense of belonging and appreciate employees’ contributions; Make a contribution to the society of enterprises, give back to the good times. HangZhou Ruixuan pipeline equipment factory is willing to work with friends from all walks of life hand in hand, mutual support, create a better future!
 

Certifications

 

 

exhibition

 

FAQ

 

 

Q: Can you make the product as per client’s requirement?
A: Yes, we can make it with your exact requirement

 

Q: What are your payment terms?
A: T/T (30% as desposit, the rest 70% will be paid before delivery), L/C at sight

 

Q: Where is your nearest loading port?
A: ZheJiang , HangZhou or ZheJiang , China.

 

Q: How can you guarantee the quality or any warranty?
A: If any quality problems during use, all the products can be returned or according to consumer’s requests

 

Q: Do you accept small quantity order?
A: Of course we do.

 

Q: And what is your shipment and delivery time?
A: By sea or air. Normally 7 to 14 Days for delivery, according to your order quantity.

 

Pls send your detailed needs in the below and get a quick reply!

fluid coupling

Best Practices for Selecting Oil for an Oil Coupling System

Selecting the appropriate oil for an oil coupling system involves considering various factors to ensure optimal performance and longevity:

  • Viscosity: Choose an oil with the right viscosity grade for the operating temperature range to maintain proper lubrication.
  • Load and Torque: Consider the system’s load and torque requirements to select an oil that can handle the anticipated stresses.
  • Speed: Determine the operating speed range and choose an oil that can provide adequate lubrication at those speeds.
  • Environment: Assess the operating environment for factors like temperature, humidity, and potential contaminants.
  • Compatibility: Ensure the chosen oil is compatible with the materials used in the coupling and its components.
  • Oil Life: Evaluate the oil’s expected service life and its ability to resist oxidation and degradation over time.
  • Oil Additives: Consider additives that enhance lubricity, anti-wear properties, and resistance to foaming and corrosion.
  • Manufacturer Recommendations: Consult the coupling manufacturer’s guidelines and recommendations for oil selection.
  • Oil Change Intervals: Determine the recommended oil change intervals based on factors like usage and operating conditions.
  • Oil Analysis: Regularly monitor the oil’s condition through analysis to ensure it remains within acceptable parameters.
  • Regulations: Consider any industry regulations or standards that might specify oil requirements for the intended application.

By following these best practices, you can choose the most suitable oil for your oil coupling system, optimizing its performance and longevity.

fluid coupling

Types of Oils or Lubricants Used in Oil Couplings

Oil couplings typically use various types of oils or lubricants to facilitate power transmission and reduce friction between moving parts. The choice of oil depends on factors such as application, operating conditions, and temperature range. Some common types of oils used in oil couplings include:

  • Mineral Oils: These are traditional petroleum-based oils with good lubricating properties and stability under moderate temperature and load conditions.
  • Synthetic Oils: Synthetic oils are engineered lubricants with superior temperature stability, oxidation resistance, and reduced friction. They are often used in high-temperature or extreme conditions.
  • Biodegradable Oils: In environmentally sensitive applications, biodegradable oils are chosen for their eco-friendly properties and biodegradability.
  • High-Viscosity Oils: For heavy-duty applications or situations requiring high torque transmission, oils with higher viscosity are preferred to ensure proper lubrication and load-bearing capacity.
  • Specialty Oils: Certain applications may require specialty oils, such as fire-resistant oils for safety or food-grade oils for industries like food and beverage.

The selection of the appropriate oil or lubricant is critical to ensure efficient power transmission, heat dissipation, and overall coupling performance. Manufacturers and users should consult the coupling’s specifications and operating conditions to determine the most suitable oil type.

fluid coupling

Factors to Consider When Selecting an Oil Coupling for an Application

When choosing an oil coupling for a specific application, several crucial factors need to be taken into consideration to ensure optimal performance and reliability:

1. Power and Torque Requirements: Determine the power and torque levels that the coupling needs to transmit. Select a coupling model with appropriate torque and power ratings that match or exceed the application’s requirements.

2. Speed Range: Consider the operational speed range of the machinery. Choose an oil coupling that can effectively operate within the specified speed limits without causing overheating or excessive wear.

3. Load Characteristics: Analyze the nature of the load, whether it’s constant or varying. High shock loads or frequent start-stop cycles may require a coupling with better shock-absorption and overload protection capabilities.

4. Misalignment Tolerance: Assess the potential misalignment between the driving and driven shafts. If there’s a possibility of misalignment, choose an oil coupling that can handle angular, axial, and radial misalignments to prevent premature wear.

5. Environmental Conditions: Consider the operating environment, including temperature, humidity, and exposure to contaminants. Select a coupling with suitable sealing and cooling features to ensure reliable performance in harsh conditions.

6. Maintenance Requirements: Evaluate the maintenance practices required by the coupling. Some oil couplings require periodic oil changes or inspections. Choose a coupling that aligns with your maintenance capabilities and schedule.

7. Space Constraints: Consider the available installation space. Choose a compact oil coupling design that fits within the available space while maintaining the required power transmission capacity.

8. Application Type: Different applications have specific demands. For example, pumps, compressors, and conveyor systems may require different types of oil couplings optimized for their unique characteristics.

9. Cost Considerations: Balance the performance requirements with the available budget. While high-quality couplings may have a higher upfront cost, they can lead to cost savings over the long term due to reduced maintenance and downtime.

10. Manufacturer Reputation: Opt for reputable manufacturers known for producing high-quality and reliable oil couplings. This ensures that you receive a product backed by technical support and warranties.

By carefully considering these factors, you can choose the right oil coupling that meets your application’s specific needs, leading to enhanced performance, efficiency, and longevity.

China manufacturer Good Sale Factory Direct Sale Universal Flexible Flange Coupling  China manufacturer Good Sale Factory Direct Sale Universal Flexible Flange Coupling
editor by CX 2023-11-16

China manufacturer Good Sale Factory Direct Sale Universal Flexible Flange Coupling

Product Description

Product Description

 

      The flange adaptor is mainly composed of body, gland,sealing ring and bolts. The body and gland are usually made of carbon steel or ductile iron, and the sealing ring is made of CHINAMFG sealing, which has good water tightness and air tightness.Supporting the use of expansion joints and butterfly valve, the flange surface between the axial extension and radial angular displacement, position and angle to compensate the error of pipe flange, eliminate the internal stress caused by pipeline pipeline temperature, bring great convenience to the installation and maintenance of pipelines.

 

Product Parameters

 

 

time description material quantity
1 end  ring stainless  steel 1
2 gasket EPDM 1
3 bolt stainless  steel N
4 body stainless  steel 1
5 plastic cap plastic N

 

Connection for pipes in material ductile iron,steel,PVC,AC etc.
Working pressure  PN10/16/25
Maximum temperature -10ºCto +70ºC
Application   Suitable for portable water, neutral liquidsand sewage

 

feature

wide tolerance  range
corrosion  resistant  construction
angular deflection ±4°
 

DN(mm) RANGE(mm) LENGTH(mm) D(mm)              BOLT
SIZE  QTY
50 59-72 75 165 M12×130 2
65 72-85 75 185 2
80 88-103 76 185 4
1/8822 0571 110 510
400 400-429 110 580
400 410-436 110 580
400 418-435 110 580
400 425-442 110 580
450 455-472 115 640 10
450 476-493 115 640
500 500-432 120 690
500 527-544 120 690
600 600-630 130 820
600 630-647 130 820

 

Special size and length can also be customized.

If you want to know more details of our products,please click here to contact us 

advantages

1. Installation and dismantling are very convenient.
2. Low price
3. Has a high integrity.

 

 

products application

Packaging & Shipping

 

Packaging

Inner:plastic film packaging.

Outer:standard export wooden case or pallet packaging. 

Shipping

1.Fed Ex/DHL/UPS/TNT for sample.Door-to-Door.

2.By Air or By Sea for batch goods for LCL/FCL;Airport /Port receiving.

3.Customers specified freight forwarders or negotiable shipping methods!

4.Delivery Time: a.in stock:immediately b.sample:2 days c.OEM/ODM:3-15 DAYS.

 

Company Profile

 

     HangZhou Ruixuan pipeline equipment factory was founded in 1996.It  is an excellent  enterprise  specializing  in manufacturing  and selling pipe fittings.It’s located  in Xicun village ,HangZhou  city,ZheJiang province ,the concentrated  area  of pipeline equipment industry  in China.The company factory  is located  in Xicun town pipeline equipment industrial park.It covered an area of20000  square  meters.

        At present, the company has the production capacity of pipeline equipment with a maximum diameter of 4000mm, and its main products are: Steel expansion joint, flexible waterproof sleeve, large diameter flange, double flange force transfer expansion joint, large deflection loose sleeve compensation joint, spherical compensation joint, sleeve compensator, bellows compensator, non-metallic compensator, rubber expansion joint, DC medium no thrust sleeve compensator, flexible expansion pipe and other pipeline equipment. The annual production capacity is 30 million sets.

      The flexible telescopic pipe equipment is mainly used in the pipeline crossing different geological structures under different conditions and the application of pipe installation drop, reduce or avoid the impact of geological settlement and crustal activity on the pipeline, so that the construction unit can save more than 50% of the cost when purchasing the equipment. The rubber expansion joint series products of the company, the maximum production diameter of 3600mm, have been applied in millions of units of thermal power projects in China for many times, and have been praised by the users.

      The company passed ISO9001:2008 quality management system certification in 2009 and ISO14000:2004 environmental management system certification in 2009. The company has a strict quality control system, standard production process, standard factory inspection hand section, to ensure that every product meets the national standards and customer requirements.

     Business philosophy: responsible production of products, return the trust of customers; To build a community with a sense of belonging and appreciate employees’ contributions; Make a contribution to the society of enterprises, give back to the good times. HangZhou Ruixuan pipeline equipment factory is willing to work with friends from all walks of life hand in hand, mutual support, create a better future!
 

Certifications

 

 

exhibition

 

FAQ

 

 

Q: Can you make the product as per client’s requirement?
A: Yes, we can make it with your exact requirement

 

Q: What are your payment terms?
A: T/T (30% as desposit, the rest 70% will be paid before delivery), L/C at sight

 

Q: Where is your nearest loading port?
A: ZheJiang , HangZhou or ZheJiang , China.

 

Q: How can you guarantee the quality or any warranty?
A: If any quality problems during use, all the products can be returned or according to consumer’s requests

 

Q: Do you accept small quantity order?
A: Of course we do.

 

Q: And what is your shipment and delivery time?
A: By sea or air. Normally 7 to 14 Days for delivery, according to your order quantity.

 

Pls send your detailed needs in the below and get a quick reply!

fluid coupling

Impact of Oil Chamber Design and Flow Dynamics on Oil Coupling Performance

The design of the oil chamber and flow dynamics significantly influence the performance of an oil coupling:

  • Oil Distribution: Proper design ensures uniform oil distribution across the coupling components, ensuring effective lubrication and heat dissipation.
  • Chamber Geometry: The chamber’s shape, size, and orientation impact oil flow patterns, turbulence, and cooling efficiency.
  • Flow Control: Control mechanisms like baffles or partitions can regulate oil flow, enhancing heat transfer and reducing pressure variations.
  • Oil Viscosity: The design considers the oil’s viscosity to ensure it flows optimally through the coupling, even at varying speeds and temperatures.
  • Cooling: Efficient flow dynamics aid in cooling the coupling components, maintaining oil stability and preventing overheating.
  • Oil Containment: A well-designed chamber prevents oil leakage, contamination, and ensures proper oil level maintenance.

Optimal oil chamber design and flow dynamics enhance oil coupling performance, promoting efficient power transmission, cooling, and longevity.

fluid coupling

Applications of Oil Couplings in Various Industries

Oil couplings find applications in a wide range of industries where their unique features are advantageous. Some common examples include:

  • Marine Industry: Oil couplings are often used in marine propulsion systems to transmit power from engines to propellers. Their ability to handle variable speeds and torque fluctuations makes them suitable for marine vessels.
  • Mining and Heavy Machinery: In large mining equipment and heavy machinery, oil couplings can efficiently transfer power between engines and drivetrain components, allowing for smooth operation in challenging conditions.
  • Industrial Manufacturing: Oil couplings are used in various manufacturing processes where precise control of speed and torque is essential. Their ability to provide gradual startup and dampening of shock loads is beneficial in these environments.
  • Power Generation: Oil couplings are utilized in power generation equipment, such as generators and turbines. They help maintain consistent power output even when load and speed vary.
  • Pumping Systems: Oil couplings are employed in pumping systems where variable flow rates and pressure conditions are common. Their adaptability to changing conditions ensures efficient pump operation.
  • Construction Equipment: Construction machinery, such as cranes and excavators, can benefit from oil couplings’ ability to handle varying loads and speeds, ensuring safe and controlled operation.

These are just a few examples of the diverse industries where oil couplings play a crucial role in ensuring efficient and reliable power transmission under varying conditions.

fluid coupling

Oil Couplings: Definition and Applications

An oil coupling, also known as a hydrodynamic coupling or fluid coupling, is a mechanical device used to transmit power between two rotating shafts while allowing for controlled slip and torque multiplication. It operates based on the principle of fluid dynamics and is commonly used in various applications:

1. Automotive Industry: Oil couplings are used in automatic transmissions to connect the engine’s torque output to the transmission, enabling smooth shifting and gradual power delivery.

2. Industrial Machinery: They are employed in industrial equipment like conveyors, crushers, and mixers, where gradual startup and overload protection are necessary.

3. Mining and Material Handling: Oil couplings facilitate soft start and controlled acceleration in heavy-duty applications, reducing stress on machinery and improving efficiency.

4. Power Generation: They are used in power plants to connect turbines and generators, providing a cushioned startup and load adjustment.

5. Marine Applications: Oil couplings are used in ship propulsion systems to smoothly transmit power from engines to propellers, ensuring gradual acceleration.

6. Pumps and Compressors: They are utilized in pumps and compressors to ensure smooth operation during startup and to protect the equipment from sudden load changes.

7. Construction Equipment: Oil couplings are found in equipment like cranes, excavators, and loaders, providing controlled power transmission and preventing shock loads.

8. Wind Turbines: In wind turbines, oil couplings connect the blades and the generator, allowing the turbine to start up gradually and adjust to wind conditions.

9. Agricultural Machinery: They are used in tractors and other agricultural equipment to provide smooth engagement of power between the engine and the transmission.

Oil couplings work by using a fluid-filled chamber to transfer torque. The fluid’s viscosity creates resistance, allowing controlled slippage and torque multiplication as needed. This makes them useful in applications where shock loads and abrupt changes in torque can cause damage. Their ability to provide gradual startup and controlled power transmission makes them valuable in various industries.

China manufacturer Good Sale Factory Direct Sale Universal Flexible Flange Coupling  China manufacturer Good Sale Factory Direct Sale Universal Flexible Flange Coupling
editor by CX 2023-11-16

China factory FCL Flange Flexible Coupling

Product Description

SC Transmission FCL Flange Flexible Coupling 

 

Product Description

CHARACTERISTICS

FCL Coupling Flange Coupling has simple construction that makes it:

Easy to assemble and disassemble, easy parts replacement.

It is able to transmits power smoothly even under vibration and shock due to its ability to absorb shock and load vibration.

It is also able to transmit power under parallel and angular misalignment, and end-floating.
Smooth running.

Permit reverse revolution.

Full range available from Size 90 to 630

 

Applications

SC Transmission flange flexible coupling has a wide range of applications: pump, blower, compressor, conveyor, crane & hoist, cement mixer, tractor, rolling mill, metal processing machine, spinning and weaving machinery etc.
 

Product Parameters

SIZE     D D1 d1 L C n-M kg
  r/min
N.m  
FCL90 4 4000 90 35.5 11 28 3 4-M8 1.7
FCL100 10 4000 100 40 11 35.5 3 4-M10 2.3
FCL112 16 4000 112 45 13 40 3 4-M10 2.8
FCL125 25 4000 125 65 50 13 45 3 4-M12 4
FCL140 50 4000 140 71 63 13 50 3 6-M12 5.4
FCL160 110 4000 160 80 15 56 3 8-M12 8
FCL180 157 3500 180 90 15 63 3 8-M12 10.5
FCL200 245 3200 200 100 21 71 4 8-M20 16.2
FCL224 392 2850 224 112 21 80 4 8-M20 21.3
FCL250 618 2550 250 125 25 90 4 8-M24 31.6
FCL280 980 2300 280 140 34 100 4 8-M24 44
FCL315 1568 2050 315 160 41 112 4 10-M24 57.7
FCL355 2450 1800 355 180 60 125 5 8-M30 89.5
FCL400 3920 1600 400 200 60 125 5 10-M30 113
FCL450 6174 1400 450 224 65 140 5 12-M30 145
FCL560 9800 1150 560 250 85 160 5 14-M30 229
FCL630 15680 1000 630 280 95 180 5 18-M30 296

 

 

Company Profile

FAQ

Shipping

fluid coupling

Proper Maintenance and Lubrication of Oil Couplings

Ensuring the longevity and optimal performance of an oil coupling requires following these maintenance and lubrication practices:

  • Regular Inspection: Conduct routine visual inspections to check for oil leakage, wear, and other signs of damage.
  • Cleanliness: Keep the coupling and its surroundings clean to prevent contamination of the oil and maintain proper lubrication.
  • Lubrication: Use the recommended lubricant with the appropriate viscosity and additives to ensure efficient power transmission and cooling.
  • Lubricant Level: Monitor the oil level and maintain it within the specified range to prevent overheating and ensure proper lubrication.
  • Lubricant Quality: Regularly analyze the lubricant’s condition through oil analysis to detect contamination, degradation, or excessive wear.
  • Temperature Monitoring: Keep track of operating temperatures to prevent overheating, which can degrade the lubricant and compromise coupling performance.
  • Drain and Replace: Follow the recommended oil change intervals and flush the system if necessary to remove any contaminants or degraded oil.
  • Seal Maintenance: Check and replace seals as needed to prevent oil leaks and maintain the integrity of the lubrication system.
  • Alignment: Ensure proper alignment between the driving and driven components to prevent excessive loads and premature wear.
  • Professional Maintenance: Engage in professional maintenance services at recommended intervals to address complex issues and ensure overall system health.

By adhering to these practices, you can maximize the service life and performance of your oil coupling, leading to improved machinery efficiency and reduced downtime.

fluid coupling

Diagnosing Potential Issues in Oil Couplings

Identifying potential problems in an oil coupling is essential for maintaining its performance and preventing costly downtime. Here are some signs to watch for and how they can be diagnosed:

  • Increased Vibrations: Excessive vibrations could indicate misalignment, wear, or imbalance in the coupling. Use vibration analysis tools to assess the severity and pinpoint the source of vibrations.
  • Unusual Noises: Strange noises like grinding or clunking may suggest worn or damaged components. Conduct a visual inspection and listen carefully while the equipment is running.
  • Overheating: If the coupling becomes excessively hot, it could be due to inadequate lubrication, misalignment, or high loads. Use infrared thermography to identify hot spots and determine the cause.
  • Leakage: Oil leakage from the coupling indicates a potential seal failure. Inspect the coupling’s seals and gaskets for damage and check the oil levels regularly.
  • Irregular Torque Transmission: Inconsistent power transmission could result from wear, misalignment, or oil contamination. Conduct torque tests to measure the coupling’s efficiency and identify any deviations.
  • Increased Friction: Higher friction levels can be caused by inadequate lubrication or contamination. Monitor temperature changes and friction levels during operation.
  • Reduced Performance: A decrease in system performance may point to wear, misalignment, or damage. Regularly measure coupling parameters, such as rotational speed and torque, and compare them to design specifications.

Diagnosing issues in an oil coupling involves a combination of visual inspections, monitoring performance parameters, and using specialized diagnostic tools to identify and address potential problems promptly.

fluid coupling

Oil Couplings: Definition and Applications

An oil coupling, also known as a hydrodynamic coupling or fluid coupling, is a mechanical device used to transmit power between two rotating shafts while allowing for controlled slip and torque multiplication. It operates based on the principle of fluid dynamics and is commonly used in various applications:

1. Automotive Industry: Oil couplings are used in automatic transmissions to connect the engine’s torque output to the transmission, enabling smooth shifting and gradual power delivery.

2. Industrial Machinery: They are employed in industrial equipment like conveyors, crushers, and mixers, where gradual startup and overload protection are necessary.

3. Mining and Material Handling: Oil couplings facilitate soft start and controlled acceleration in heavy-duty applications, reducing stress on machinery and improving efficiency.

4. Power Generation: They are used in power plants to connect turbines and generators, providing a cushioned startup and load adjustment.

5. Marine Applications: Oil couplings are used in ship propulsion systems to smoothly transmit power from engines to propellers, ensuring gradual acceleration.

6. Pumps and Compressors: They are utilized in pumps and compressors to ensure smooth operation during startup and to protect the equipment from sudden load changes.

7. Construction Equipment: Oil couplings are found in equipment like cranes, excavators, and loaders, providing controlled power transmission and preventing shock loads.

8. Wind Turbines: In wind turbines, oil couplings connect the blades and the generator, allowing the turbine to start up gradually and adjust to wind conditions.

9. Agricultural Machinery: They are used in tractors and other agricultural equipment to provide smooth engagement of power between the engine and the transmission.

Oil couplings work by using a fluid-filled chamber to transfer torque. The fluid’s viscosity creates resistance, allowing controlled slippage and torque multiplication as needed. This makes them useful in applications where shock loads and abrupt changes in torque can cause damage. Their ability to provide gradual startup and controlled power transmission makes them valuable in various industries.

China factory FCL Flange Flexible Coupling  China factory FCL Flange Flexible Coupling
editor by CX 2023-11-13

China Good quality CNC Spider Jaw Coupling Diameter 20 Length 30high Precision Plum Flexible Shaft Couplings

Product Description

Product Description

DO NOT worry about PRICE, we are manufacturer.

 

DO NOT worry about QUALITY, we have 16 years experience.

 

DO NOT worry about AFTER-SALES, we are 24 hours online.

Features :

1. The main body is made of high strength aluminum alloy
2. Zero backlash, suitable for forward and reverse rotation
3.Colloid is made of polyurethane, which has good wear resistance
4.Oil resistance and electrical insulation, the middle elasticbody can absorb vibration
5. Compensate radial, angular and axial deviations
6. Removable design for easy installation
7. Tightening method of positioning screw

Suitable for a wide range of devices

    CNC lathes                                                Optical inspection equipment

                     Module slider                                                                 Servo motor

Company Profile

Certifications

 

Packaging & Shipping

All products will be well packed with standard export wooden case or
cartons.

Shafts packed with paper tube or plastic bag;
Linear guideways or lead screwswrapped with film or plastic bag;

Guarantee well protected against dampness,moisture, rust and shock.

 

Our Advantages

FAQ

Q1: Do you have a catalogue? Can you send me the catalogue to have a check of all your products?

A: Yes , We have product catalogue.Please contact us on line or send an Email to sending the catalogue.
 

Q2: I can’t find the product on your catalogue, can you make this product for me?
A: Our catalogue shows most of our products,but not all.So just let us know what product do you need.

Q3 : Can you make customized products and customized packing?
A: Yes.We made a lot of customized products for our customer before.And we have many moulds for our customers already.About customized packing,we can put your Logo or other info on the packing.There is no problem.Just have to point out that ,it will cause some additional cost.

Q4: Can you provide samples ? Are the samples free ?
A: Yes,we can provide samples.Normally,we provide 1-2pcs free samples for test or quality checking.But you have to pay for the shipping cos.If you need many items, or need more qty for each item,we will charge for the samples.

Any requirements or question,Welcome to “Send” us an e-mail Now!
It’s our great honor to do services for you! You also can get the FREE SAMPLES soon.

fluid coupling

Impact of Oil Chamber Design and Flow Dynamics on Oil Coupling Performance

The design of the oil chamber and flow dynamics significantly influence the performance of an oil coupling:

  • Oil Distribution: Proper design ensures uniform oil distribution across the coupling components, ensuring effective lubrication and heat dissipation.
  • Chamber Geometry: The chamber’s shape, size, and orientation impact oil flow patterns, turbulence, and cooling efficiency.
  • Flow Control: Control mechanisms like baffles or partitions can regulate oil flow, enhancing heat transfer and reducing pressure variations.
  • Oil Viscosity: The design considers the oil’s viscosity to ensure it flows optimally through the coupling, even at varying speeds and temperatures.
  • Cooling: Efficient flow dynamics aid in cooling the coupling components, maintaining oil stability and preventing overheating.
  • Oil Containment: A well-designed chamber prevents oil leakage, contamination, and ensures proper oil level maintenance.

Optimal oil chamber design and flow dynamics enhance oil coupling performance, promoting efficient power transmission, cooling, and longevity.

fluid coupling

Industry Standards and Guidelines for Oil Couplings

While there are no specific industry standards or guidelines exclusively dedicated to oil couplings, their design and usage often fall within broader standards related to mechanical power transmission components. Some relevant standards include:

  • ISO Standards: International Organization for Standardization (ISO) standards, such as ISO 9001 for quality management systems and ISO 14691 for industrial fans, provide general guidelines that may apply to oil coupling manufacturers.
  • AGMA Standards: The American Gear Manufacturers Association (AGMA) produces standards related to various types of mechanical power transmission equipment, which could encompass aspects of oil coupling design and manufacturing.
  • API Standards: The American Petroleum Institute (API) develops standards for equipment used in the oil and gas industry, which may include guidelines for components like oil couplings.

Additionally, manufacturers and users of oil couplings should follow best practices, engineering principles, and guidelines for lubrication and maintenance to ensure optimal performance and longevity of the coupling.

fluid coupling

Primary Functions and Benefits of Oil Couplings

An oil coupling, also known as a hydrodynamic coupling or fluid coupling, serves several important functions and offers a range of benefits in mechanical systems:

  • 1. Torque Transmission: Oil couplings transmit torque from one shaft to another, allowing for power transfer between rotating components.
  • 2. Smooth Start-Up: They enable smooth and controlled startup by allowing gradual engagement of the connected components, reducing shock loads and wear.
  • 3. Overload Protection: Oil couplings act as overload protectors by allowing slip when excessive torque is applied, preventing damage to the machinery.
  • 4. Shock Load Absorption: They absorb shock loads and vibrations, protecting equipment and reducing the risk of mechanical failures.
  • 5. Torque Multiplication: Oil couplings can provide torque multiplication during startup, helping heavy machinery overcome inertia without straining the power source.
  • 6. Variable Speed Transmission: They allow for variable speed operation by adjusting the amount of fluid in the coupling, providing flexibility in controlling the output speed.
  • 7. Energy Efficiency: Oil couplings improve energy efficiency by allowing gradual acceleration and reducing the need for sudden power bursts.
  • 8. Reduction of Wear and Tear: By preventing abrupt load changes and reducing stress on components, they contribute to the longevity of machinery.
  • 9. Simplified Mechanical Design: Oil couplings can eliminate the need for complex mechanical clutches and torque converters in certain applications.

These functions and benefits make oil couplings valuable components in various industries, where they contribute to the efficiency, reliability, and overall performance of machinery and equipment.

China Good quality CNC Spider Jaw Coupling Diameter 20 Length 30high Precision Plum Flexible Shaft Couplings  China Good quality CNC Spider Jaw Coupling Diameter 20 Length 30high Precision Plum Flexible Shaft Couplings
editor by CX 2023-11-09

China Professional CF8 Male Screwed Cam Lock Coupling

Product Description

 

Product Description
1,Product name CF8 Male Screwed Cam Lock Coupling 
2,Size ranging 1/2″-4″
3,Materials SS304, SS316,CF8M,CF8,WCB
4,Casting Investment
5,Working pressure 1000psi, PN63
6,Applicable temperature -20-210 degree C
7,Applicable medium Water, Oil, Gas, etc
8,End connection DIN2999,DIN259,BSPT,BSP,NPT(F/M), threaded
9, MOQ 10PCS
10,Capacity to produce 20000 PCS per month
11,Packaging Inner CTN, outside ply-wooden cases
12,Price term EXW, FOB, CIF, CFR
13,Payment term T/T, L/C
14,Standard CE,ISO9001

Product Application
Main application: The products are widely used in oil, gas, chemical, electric power metallurgy, lifting, water supply, auto ship manufacturing oil-water road heating system control, food, pharmaceutical, daily chemical industry, municipal construction, mechanical equipment, etc. We keep on the concept of credit management, and try our best to give best service to our customers! 

FAQ:

Q:Why choose us ?
A: we are a manufacturer,We have more than 14 years of valve production experience, have the best after-sales service

Q:What is your payment term? 
 A: T/T 30% down payment, balance to be paid before shipment. or L/C.

Q: what is your main market?
A: North America, South America,  Southeast Asia, Africa, Oceania, Mid East, Eastern Europe,Eastern Asia, Western Europe and so on
 
Q: Can I get samples from your factory?
A: Yes, Samples can be provided.
 
Q: If products have some quality problem, how would you deal with?
A: We will responsible for all the quality problems.
 
Q:How about your capacity?
A:We have 100 CNC lathes, all products CNC precision machining, to ensure the accuracy of product size. There are professional quality inspection personnel, responsible for the qualified inspection of each product, so please rest assured that the product to our company to complete.

 

fluid coupling

Recent Advancements in Oil Coupling Technology

Advancements in oil coupling technology continue to enhance their efficiency, reliability, and applicability. Some recent innovations include:

  • Smart Couplings: Integration of sensors and IoT technology allows for real-time monitoring of coupling performance, enabling predictive maintenance and early issue detection.
  • Improved Sealing Mechanisms: Enhanced sealing materials and designs minimize oil leakage and extend the lifespan of couplings, reducing maintenance requirements.
  • Advanced Lubricants: Development of specialized lubricants with better thermal stability, reduced friction, and improved wear resistance contributes to higher coupling efficiency and durability.
  • Energy-Efficient Designs: Innovative designs optimize oil flow and minimize energy losses, resulting in improved overall system efficiency and reduced operating costs.
  • Material Innovations: The use of advanced materials, such as high-performance polymers and composite materials, increases the coupling’s durability, corrosion resistance, and overall performance.

These advancements aim to address challenges, improve reliability, and extend the service life of oil couplings, making them more adaptable to a wide range of applications across various industries.

fluid coupling

Handling High Torque and Variable Speeds with Oil Couplings

Oil couplings are well-suited for applications that involve high torque and variable speeds due to their unique design and operating principle. Here’s how they handle these challenges:

  • High Torque: Oil couplings can effectively handle high torque levels by using the fluid’s viscosity and shear properties to transmit torque. As torque increases, the viscosity of the oil also increases, enhancing its ability to transmit power. This characteristic allows oil couplings to withstand sudden spikes in torque without causing damage.
  • Variable Speeds: Oil couplings are inherently capable of accommodating variable speeds. The viscosity of the oil can adjust to changing speeds, ensuring smooth power transmission even when the rotational speed varies. This flexibility is particularly beneficial in applications where the load or operating conditions may change frequently.

By relying on the fluid properties of the oil, oil couplings can maintain stable and efficient power transmission across a range of torque levels and speeds. This makes them suitable for applications that require high torque, variable speeds, and adaptability to changing operating conditions.

fluid coupling

Role of Oil Viscosity and Temperature in Oil Coupling Performance

The viscosity of the oil used in an oil coupling and the temperature at which the coupling operates play crucial roles in determining the coupling’s performance and efficiency:

Oil Viscosity: The viscosity of the oil refers to its resistance to flow. It affects the lubricating ability and overall efficiency of the coupling. The right oil viscosity ensures proper lubrication between the coupling’s components, reducing friction, wear, and heat generation. Oil with insufficient viscosity might not provide adequate lubrication, while oil with excessive viscosity might result in energy losses and overheating.

Temperature: The operating temperature of the oil coupling impacts its viscosity and performance. As temperature increases, oil viscosity tends to decrease, potentially leading to inadequate lubrication and increased wear. Conversely, at very low temperatures, the oil’s viscosity might become too high, hindering smooth rotation. It’s crucial to select an oil with a viscosity-temperature relationship that matches the coupling’s operating conditions.

Viscosity-Temperature Relationship: The choice of oil should consider the viscosity-temperature relationship of the oil. Some oils maintain a relatively consistent viscosity across a wide temperature range, making them suitable for applications with varying temperatures. Others might require additional heating or cooling systems to maintain the optimal viscosity level.

Oil Cooler and Heater: In applications where temperature variations are significant, oil couplings might include oil coolers or heaters to regulate the oil’s temperature. This helps maintain consistent viscosity and ensures optimal lubrication and performance even in extreme conditions.

Manufacturer Recommendations: Manufacturers of oil couplings often provide guidelines on the recommended oil viscosity and operating temperature range for their specific couplings. Following these recommendations helps ensure that the coupling functions efficiently and enjoys a longer service life.

By understanding the relationship between oil viscosity, temperature, and coupling performance, you can select the right oil and implement appropriate temperature control measures to optimize the functioning of your oil coupling.

China Professional CF8 Male Screwed Cam Lock Coupling  China Professional CF8 Male Screwed Cam Lock Coupling
editor by CX 2023-11-08

China Custom Axial Non-Restraint Stainless Grip Pipe Flexible Coupling

Product Description

Stainless Steel Grip Couplings
join plain end pipe which means there is no need to process the pipe ends (welding, flanges, roll grooved etc). Thus enabling a quick, easy connection of new pipe or replacements & ideal for connecting new section of pipe CHINAMFG existing pipelines. 

Size DN20-DN8
 
 
Workshop:
No.15, Xihu (West Lake) Dis.chuang S &T park, Jiansheng South Street, Chemical district HangZhou, ZheJiang province, China
 

 

fluid coupling

Role of Oil Couplings in Vibration Reduction and Machinery Efficiency

An oil coupling can play a significant role in reducing vibrations and enhancing machinery efficiency:

  • Vibration Dampening: The damping effect of the oil absorbs and dissipates vibrations, minimizing their transmission between connected shafts.
  • Smooth Torque Transmission: The oil’s fluid properties allow gradual torque transfer, reducing sudden jolts and shocks that lead to vibrations.
  • Shock Absorption: Oil couplings absorb sudden load changes and shocks, preventing them from propagating throughout the machinery.
  • Energy Efficiency: The controlled and efficient transmission of torque minimizes energy losses due to vibrations and shocks, enhancing overall machinery efficiency.
  • Noise Reduction: By dampening vibrations, oil couplings can help reduce noise generated by machinery operation.

Overall, the use of oil couplings contributes to smoother and more efficient machinery performance by minimizing vibrations and promoting stable torque transmission.

fluid coupling

Diagnosing Potential Issues in Oil Couplings

Identifying potential problems in an oil coupling is essential for maintaining its performance and preventing costly downtime. Here are some signs to watch for and how they can be diagnosed:

  • Increased Vibrations: Excessive vibrations could indicate misalignment, wear, or imbalance in the coupling. Use vibration analysis tools to assess the severity and pinpoint the source of vibrations.
  • Unusual Noises: Strange noises like grinding or clunking may suggest worn or damaged components. Conduct a visual inspection and listen carefully while the equipment is running.
  • Overheating: If the coupling becomes excessively hot, it could be due to inadequate lubrication, misalignment, or high loads. Use infrared thermography to identify hot spots and determine the cause.
  • Leakage: Oil leakage from the coupling indicates a potential seal failure. Inspect the coupling’s seals and gaskets for damage and check the oil levels regularly.
  • Irregular Torque Transmission: Inconsistent power transmission could result from wear, misalignment, or oil contamination. Conduct torque tests to measure the coupling’s efficiency and identify any deviations.
  • Increased Friction: Higher friction levels can be caused by inadequate lubrication or contamination. Monitor temperature changes and friction levels during operation.
  • Reduced Performance: A decrease in system performance may point to wear, misalignment, or damage. Regularly measure coupling parameters, such as rotational speed and torque, and compare them to design specifications.

Diagnosing issues in an oil coupling involves a combination of visual inspections, monitoring performance parameters, and using specialized diagnostic tools to identify and address potential problems promptly.

fluid coupling

Primary Functions and Benefits of Oil Couplings

An oil coupling, also known as a hydrodynamic coupling or fluid coupling, serves several important functions and offers a range of benefits in mechanical systems:

  • 1. Torque Transmission: Oil couplings transmit torque from one shaft to another, allowing for power transfer between rotating components.
  • 2. Smooth Start-Up: They enable smooth and controlled startup by allowing gradual engagement of the connected components, reducing shock loads and wear.
  • 3. Overload Protection: Oil couplings act as overload protectors by allowing slip when excessive torque is applied, preventing damage to the machinery.
  • 4. Shock Load Absorption: They absorb shock loads and vibrations, protecting equipment and reducing the risk of mechanical failures.
  • 5. Torque Multiplication: Oil couplings can provide torque multiplication during startup, helping heavy machinery overcome inertia without straining the power source.
  • 6. Variable Speed Transmission: They allow for variable speed operation by adjusting the amount of fluid in the coupling, providing flexibility in controlling the output speed.
  • 7. Energy Efficiency: Oil couplings improve energy efficiency by allowing gradual acceleration and reducing the need for sudden power bursts.
  • 8. Reduction of Wear and Tear: By preventing abrupt load changes and reducing stress on components, they contribute to the longevity of machinery.
  • 9. Simplified Mechanical Design: Oil couplings can eliminate the need for complex mechanical clutches and torque converters in certain applications.

These functions and benefits make oil couplings valuable components in various industries, where they contribute to the efficiency, reliability, and overall performance of machinery and equipment.

China Custom Axial Non-Restraint Stainless Grip Pipe Flexible Coupling  China Custom Axial Non-Restraint Stainless Grip Pipe Flexible Coupling
editor by CX 2023-11-07

China OEM Screw Air Compressor Parts Flexible Coupling 250004-641250018-551

Product Description

 

Products Details

Product Name Coupling element 
Brand Sullair
Part No. 250004-641

 

Hot Products

 

Company Profile

ZheJiang CHINAMFG Machine Co., Ltd has the largest agent’s qualification of CHINAMFG Asia Pte Ltd.
For more than 26 years, We have been provided professional compressed air energy-saving solution
for customers in China and abroad.
At the same time we have the spare parts warehouse of air compressors, like air filters, oil filters,
oil separator, lubricating oil, used air compressors, air end, motor etc.
World -famous brands such as Atlas Copco, CHINAMFG Rand air compressor accessories also available for us.


 

Certifications

 

Packaging & Shipping

 

FAQ

1.Why choose us?
We are Sullair’s Chinese factory distributor, our price is very advantageous. And most of our products are in stocks, so we can delivery very fast.

2. How long is our delivery time?
Generally, we can ship within 3 days. If the product needs to be customized or the order quantity is large, it will take about 20 days.

3. What kind of spare parts we provide for?
We supply air compressor, air storage tank, pipeline filter, air dryer, nitrogen sparator, oxygen separator, compressed air pipeline, etc.

4. How long is the warranty of our products?
Whether it is a new machine or a second-hand air compressor machine, our warranty is 1 year.

5. What kind of after-sales service do we have?
 
 

fluid coupling

Best Practices for Selecting Oil for an Oil Coupling System

Selecting the appropriate oil for an oil coupling system involves considering various factors to ensure optimal performance and longevity:

  • Viscosity: Choose an oil with the right viscosity grade for the operating temperature range to maintain proper lubrication.
  • Load and Torque: Consider the system’s load and torque requirements to select an oil that can handle the anticipated stresses.
  • Speed: Determine the operating speed range and choose an oil that can provide adequate lubrication at those speeds.
  • Environment: Assess the operating environment for factors like temperature, humidity, and potential contaminants.
  • Compatibility: Ensure the chosen oil is compatible with the materials used in the coupling and its components.
  • Oil Life: Evaluate the oil’s expected service life and its ability to resist oxidation and degradation over time.
  • Oil Additives: Consider additives that enhance lubricity, anti-wear properties, and resistance to foaming and corrosion.
  • Manufacturer Recommendations: Consult the coupling manufacturer’s guidelines and recommendations for oil selection.
  • Oil Change Intervals: Determine the recommended oil change intervals based on factors like usage and operating conditions.
  • Oil Analysis: Regularly monitor the oil’s condition through analysis to ensure it remains within acceptable parameters.
  • Regulations: Consider any industry regulations or standards that might specify oil requirements for the intended application.

By following these best practices, you can choose the most suitable oil for your oil coupling system, optimizing its performance and longevity.

fluid coupling

Diagnosing Potential Issues in Oil Couplings

Identifying potential problems in an oil coupling is essential for maintaining its performance and preventing costly downtime. Here are some signs to watch for and how they can be diagnosed:

  • Increased Vibrations: Excessive vibrations could indicate misalignment, wear, or imbalance in the coupling. Use vibration analysis tools to assess the severity and pinpoint the source of vibrations.
  • Unusual Noises: Strange noises like grinding or clunking may suggest worn or damaged components. Conduct a visual inspection and listen carefully while the equipment is running.
  • Overheating: If the coupling becomes excessively hot, it could be due to inadequate lubrication, misalignment, or high loads. Use infrared thermography to identify hot spots and determine the cause.
  • Leakage: Oil leakage from the coupling indicates a potential seal failure. Inspect the coupling’s seals and gaskets for damage and check the oil levels regularly.
  • Irregular Torque Transmission: Inconsistent power transmission could result from wear, misalignment, or oil contamination. Conduct torque tests to measure the coupling’s efficiency and identify any deviations.
  • Increased Friction: Higher friction levels can be caused by inadequate lubrication or contamination. Monitor temperature changes and friction levels during operation.
  • Reduced Performance: A decrease in system performance may point to wear, misalignment, or damage. Regularly measure coupling parameters, such as rotational speed and torque, and compare them to design specifications.

Diagnosing issues in an oil coupling involves a combination of visual inspections, monitoring performance parameters, and using specialized diagnostic tools to identify and address potential problems promptly.

fluid coupling

Challenges from Improper Oil Coupling Maintenance and Avoidance

Improper maintenance of oil couplings can lead to various challenges that affect performance, efficiency, and the overall lifespan of the machinery. Here’s how to avoid these challenges:

Oil Contamination: If contaminants like dirt, water, or foreign particles enter the oil, it can compromise the lubrication and cause excessive wear. Regularly inspect and change the oil according to manufacturer recommendations to prevent contamination.

Insufficient Lubrication: Inadequate oil levels or improper oil viscosity can lead to insufficient lubrication. Monitor oil levels and choose the right oil viscosity as per manufacturer guidelines to ensure proper lubrication.

Overheating: Operating an oil coupling at high temperatures without proper cooling mechanisms can cause the oil to break down, leading to reduced lubrication properties and potential damage. Implement cooling systems if necessary and monitor operating temperatures closely.

Oil Degradation: Over time, oil can degrade due to oxidation, thermal stress, and chemical reactions. Regularly check oil condition and replace it if signs of degradation are detected. Scheduled oil analysis can help predict oil degradation and replacement times.

Incorrect Oil Selection: Using the wrong type of oil with improper viscosity and properties can affect coupling performance. Always refer to manufacturer guidelines and recommendations for selecting the right oil for your specific coupling.

Infrequent Inspections: Lack of regular inspections can result in undetected issues, leading to potential failures. Implement a regular inspection schedule to identify any signs of wear, leaks, or other problems early on.

Ignoring Manufacturer Recommendations: Manufacturers often provide maintenance guidelines for their specific oil couplings. Ignoring these recommendations can lead to suboptimal performance and premature wear. Always follow the manufacturer’s maintenance instructions and recommended intervals.

Improper Installation: Incorrect installation can lead to misalignment, poor engagement, and premature wear. Follow proper installation procedures and ensure accurate alignment to prevent these issues.

Lack of Training: Inadequate operator training can result in improper oil coupling maintenance. Provide proper training to operators and maintenance personnel to ensure they understand the coupling’s requirements and maintenance procedures.

By addressing these challenges through regular maintenance, following manufacturer guidelines, and implementing best practices, you can ensure the optimal performance and longevity of your oil couplings and the machinery they are a part of.

China OEM Screw Air Compressor Parts Flexible Coupling 250004-641250018-551  China OEM Screw Air Compressor Parts Flexible Coupling 250004-641250018-551
editor by CX 2023-10-23

China OEM Alloy Motor Shaft Coupler Flexible Rubber Electric Motor Jaw Flexible Shaft Couplings Jm20c D20 L30mm

Product Description

Product Description

Flexible couplings are used to transmit torque from 1 shaft to another when the 2 shafts are slightly misaligned. It can accommodate varying degrees of misalignment up to 3°. In addition to allowing for misalignment, it can also be used for vibration damping or noise reduction.
Encoder couplings, flexible coupling, couplings working with Encoder & all kinds of motors (servo motor, DC motor, AC motor, gear motors).

MODEL

OD(mm)

Length(mm)

Bore range(mm)

JM14

14

22

3-7

JM14C

14

22

3-6

JM16

16

22

3-7

JM16C

16

22

3-7

JM20

20

30

4-10

JM20C

20

30

4-10

JM25

25

34

4-12

JM25C

25

34

4-12

JM30

30

35

5-16

JM30C

30

35

5-16

JM40

40

66

8-24

JM40C

40

66

8-24

JM55

55

78

10-28

JM55C

55

78

10-28

JM65

65

90

12-38

JM65C

65

90

12-38

JM80

80

114

16-45

JM80C

80

114

16-45

JM95

95

126

20-55

JM95C

95

126

20-55

JM105

105

140

20-62

JM105C

105

140

20-62

JM120

120

160

20-74

JM120C

120

160

20-74

JM135

135

185

22-80

JM135C

135

185

22-80

“C” means clamp type jaw coupling   Without “C” means setscrew type jaw coupling

application

 

Packaging & Shipping

Company Profile

Related product

fluid coupling

Protection Against Leaks and Contamination in Oil Couplings

Oil couplings are designed with various features and practices to prevent leaks and contamination, ensuring their reliable operation:

  • Sealing Mechanisms: High-quality seals and gaskets are used at critical points to prevent oil leakage and entry of contaminants.
  • Seal Maintenance: Regular inspection and replacement of seals and gaskets help maintain their integrity and prevent leaks.
  • Enclosures: Some oil couplings are housed within protective enclosures that shield them from external debris, dust, and moisture.
  • Oil Filtration: Some systems incorporate oil filtration units to remove contaminants and particles from the oil before it enters the coupling.
  • Oil Analysis: Regular oil analysis helps monitor the condition of the lubricant and detect contaminants or degradation early.
  • Proper Installation: Precise installation and alignment reduce the risk of seal damage and misalignment-related leaks.
  • Clean Environment: Maintaining a clean operating environment minimizes the likelihood of contaminants entering the coupling.
  • Oil Reservoir Design: Well-designed reservoirs and chambers within the coupling can prevent oil from escaping and contaminants from entering.
  • Seal Design: Advanced seal designs with protective features can provide enhanced resistance to leaks and contamination.

Through these protective measures, oil couplings can effectively safeguard against leaks and contamination, ensuring their continued performance and reliability.

fluid coupling

Handling High Torque and Variable Speeds with Oil Couplings

Oil couplings are well-suited for applications that involve high torque and variable speeds due to their unique design and operating principle. Here’s how they handle these challenges:

  • High Torque: Oil couplings can effectively handle high torque levels by using the fluid’s viscosity and shear properties to transmit torque. As torque increases, the viscosity of the oil also increases, enhancing its ability to transmit power. This characteristic allows oil couplings to withstand sudden spikes in torque without causing damage.
  • Variable Speeds: Oil couplings are inherently capable of accommodating variable speeds. The viscosity of the oil can adjust to changing speeds, ensuring smooth power transmission even when the rotational speed varies. This flexibility is particularly beneficial in applications where the load or operating conditions may change frequently.

By relying on the fluid properties of the oil, oil couplings can maintain stable and efficient power transmission across a range of torque levels and speeds. This makes them suitable for applications that require high torque, variable speeds, and adaptability to changing operating conditions.

fluid coupling

Challenges from Improper Oil Coupling Maintenance and Avoidance

Improper maintenance of oil couplings can lead to various challenges that affect performance, efficiency, and the overall lifespan of the machinery. Here’s how to avoid these challenges:

Oil Contamination: If contaminants like dirt, water, or foreign particles enter the oil, it can compromise the lubrication and cause excessive wear. Regularly inspect and change the oil according to manufacturer recommendations to prevent contamination.

Insufficient Lubrication: Inadequate oil levels or improper oil viscosity can lead to insufficient lubrication. Monitor oil levels and choose the right oil viscosity as per manufacturer guidelines to ensure proper lubrication.

Overheating: Operating an oil coupling at high temperatures without proper cooling mechanisms can cause the oil to break down, leading to reduced lubrication properties and potential damage. Implement cooling systems if necessary and monitor operating temperatures closely.

Oil Degradation: Over time, oil can degrade due to oxidation, thermal stress, and chemical reactions. Regularly check oil condition and replace it if signs of degradation are detected. Scheduled oil analysis can help predict oil degradation and replacement times.

Incorrect Oil Selection: Using the wrong type of oil with improper viscosity and properties can affect coupling performance. Always refer to manufacturer guidelines and recommendations for selecting the right oil for your specific coupling.

Infrequent Inspections: Lack of regular inspections can result in undetected issues, leading to potential failures. Implement a regular inspection schedule to identify any signs of wear, leaks, or other problems early on.

Ignoring Manufacturer Recommendations: Manufacturers often provide maintenance guidelines for their specific oil couplings. Ignoring these recommendations can lead to suboptimal performance and premature wear. Always follow the manufacturer’s maintenance instructions and recommended intervals.

Improper Installation: Incorrect installation can lead to misalignment, poor engagement, and premature wear. Follow proper installation procedures and ensure accurate alignment to prevent these issues.

Lack of Training: Inadequate operator training can result in improper oil coupling maintenance. Provide proper training to operators and maintenance personnel to ensure they understand the coupling’s requirements and maintenance procedures.

By addressing these challenges through regular maintenance, following manufacturer guidelines, and implementing best practices, you can ensure the optimal performance and longevity of your oil couplings and the machinery they are a part of.

China OEM Alloy Motor Shaft Coupler Flexible Rubber Electric Motor Jaw Flexible Shaft Couplings Jm20c D20 L30mm  China OEM Alloy Motor Shaft Coupler Flexible Rubber Electric Motor Jaw Flexible Shaft Couplings Jm20c D20 L30mm
editor by CX 2023-10-21