China Professional 9V7710 Universal Joint for CAT Dozer Excavator

Product Description

9V7710 universal joint for CAT dozer excavator

We(HangZhou BST) export construction machinery parts, specializes in the manufacturing and supplying of Shantui, Cat and komat su parts for over 15 years.  Our company has a complete range such as  engine parts ,transmission parts,hydraulic parts,  electrical parts,drive parts,undercarriage parts, filter. Models such as komats D60/80/155,PC200/220/360 CAT D6/D7/D8/320/330 ect. The company provides high quality bulldozer parts and excavator parts that are designed to meet international standards. All of our products have undergone strict quality control protocols to ensure they maintain the highest standards. 
Our advantage lies in:High-quality products, Competitive prices, Timely transaction and Professional service.
We are suppliers and manufacturer for Komatu,shantui and so on parts in china 
1. Excavator Parts:PC60, PC200, PC210, PC220, PC270, PC300, PC360, PC400, PC650, 
PC750, PC850, PC1250 
2. Loader Parts :WA320/WA380/WA420/WA460
3.Dozer Parts:D31, D41, D50, D60, D65, D80, D85, D155, D355, D375, D475
4.All models CHINAMFG bulldozer from 80hp-520hp: CHINAMFG SD13 SD16 SD22 SD23 SD32  TY160 TY220 TY230 TY320 bulldozer parts,etc

5.CUMMIS Engine: 4B/4BT/6BT/NTA855/KTA13/KTA38/QSK19/QSK23/QSK45/QSK60 etc
6.CAT Excavtor:CAT320C/325C/330C/345C/320D/323D/324D/330D etc
7. CAT dozer: D5B, D5C, D5G, D6C, D6D, D6G, D6M, D6N, D6K, D6H, D6R, D7G, D7F, D7R, D7N,
D8N, D8L, D8R, D8K, D8T, D9G, D9H, D9N, D9R .D10R, D9T, D10T, D11T, D11R, D11 series 
7.CHINAMFG Excavator: EC210B/240B/290B/360B/460B etc
8.Other: CHINAMFG forklift parts , CHINAMFG parts 

2P4472    plate
107-7330    bearing
149-6031     bearing main
430-4521    plug spark
498-1692    valve
7E-7581    piston ring
7W-2221    ring
8N-1234    piston ring
102-0302    turbo
356-3704    extension
266-8718    Insert In
191-6760    Insert Ex 
191-6766    guide valve
5D9559     blade
4T2242    blade
6k-9880     Carrier Roller 
4W-7015     Nozzle 
1W-6541     Plunger
 D (5) M Dozer
4T8940    Cutting Edge 
D (6) H Dozer
231-3087    Roller (S)
8E-4326    Link A
 D (6) N Dozer
3G-4282    Cutting Edge 
6Y-5352    Trans : Disc (13)
7G-571    Trans : Plate (13) 
3T-9960    Planetary Trans , Disc 
6P-7968    Planetary Trans : Plate
244-3114    Modulation Valve
 D (7) G Dozer
456-1742    Link A
9J-5058    Vane Pump
377-2989    Idler
2W-5540    Radiator Core
D (8) R Dozer
7T-2392    Shoe 
9P-7390    Trans : Disc (10)
8P-2051    Trans : Plate (9)
320C Excavator
422-8785    Sprocket 
5511828    Sleeve 
422-8791    Idler 
2475212    Governor Motor 
2013780    Injection Pump
320 DII Excavator 
324-4235    Piston
137-5541    Pump Priming
479-7449    Track Roller
392-9537    Carrier Roller
5i-7589    Turbo
2923751    Transfer Pump
4492161    Bucket Teeth
114 0571     Teeth Pin
114 0571     Retainer
320 BL Excavator 
5i-5129    Plunger
5i-7713    Nozzle Tip
422-8785    Sprocket 
320 ME Excavator 
103-8264    Pilot Pump
938F Wheel Loader 
127-8216    Injection    

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After-sales Service: 1 Year
Warranty: 6 Months
Type: Crawler
Application: Bulldozer
Condition: New
Part No: 9V7710
Samples:
US$ 15/Piece
1 Piece(Min.Order)

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Request Sample

universal joint

What is the role of a yoke in a universal joint assembly?

A yoke plays a crucial role in a universal joint assembly. Here’s a detailed explanation:

In a universal joint assembly, a yoke is a mechanical component that connects the universal joint to the shafts it is intended to transmit motion between. It acts as a link, providing a secure attachment point and facilitating the transfer of rotational motion. The yoke is typically made of strong and durable materials such as steel or cast iron.

The role of a yoke in a universal joint assembly can be summarized as follows:

  1. Connection Point: The yoke serves as a connection point between the universal joint and the shafts it is joining. It provides a secure and rigid attachment, ensuring that the universal joint and shafts operate as a cohesive unit. The yoke is designed to fit onto the shafts and is often secured using fasteners such as bolts or retaining rings.
  2. Transmitting Torque: One of the primary functions of the yoke is to transmit torque from one shaft to another through the universal joint assembly. When torque is applied to one shaft, the universal joint transfers it to the other shaft via the yoke. The yoke must be strong enough to handle the torque generated by the system and effectively transfer it without deformation or failure.
  3. Supporting Radial Loads: In addition to transmitting torque, the yoke also provides support for radial loads. Radial loads are forces acting perpendicular to the shaft’s axis. The yoke, along with other components in the universal joint assembly, helps distribute these loads and prevent excessive stress on the shafts and universal joint. This support ensures stable operation and prevents premature wear or failure.
  4. Alignment and Stability: The yoke contributes to the alignment and stability of the universal joint assembly. It helps maintain the proper positioning of the universal joint in relation to the shafts, ensuring that the rotational motion is transmitted accurately and efficiently. The yoke’s design and fitment play a crucial role in minimizing misalignment and maintaining the integrity of the assembly.
  5. Compatibility and Adaptability: Yokes are available in various shapes, sizes, and configurations to accommodate different shaft diameters, types, and connection methods. This versatility allows for compatibility with a wide range of applications and facilitates the adaptation of the universal joint assembly to specific requirements. The yoke’s design may include features such as keyways, splines, or flanges to suit different shaft and mounting arrangements.

In summary, the yoke in a universal joint assembly serves as a connection point, transmits torque, supports radial loads, contributes to alignment and stability, and provides compatibility and adaptability. It is an essential component that enables the efficient and reliable transmission of rotational motion between shafts in various applications.

universal joint

What are the signs of a failing universal joint and how do you diagnose it?

Diagnosing a failing universal joint involves identifying specific signs and symptoms that indicate potential problems. Here’s a detailed explanation:

A failing universal joint can exhibit several signs that indicate a need for inspection, repair, or replacement. Some common signs of a failing universal joint include:

  • Clunking or Knocking Noise: One of the most noticeable signs is a clunking or knocking noise coming from the universal joint area. This noise is often more pronounced during acceleration, deceleration, or when changing gears. The noise may indicate excessive play or wear in the joint’s components.
  • Vibration: A failing universal joint can cause vibrations that are felt throughout the vehicle. These vibrations may be more noticeable at higher speeds or under load conditions. The vibrations can be a result of imbalanced driveshafts or misaligned yokes due to worn or damaged universal joint bearings.
  • Difficulty in Power Transfer: As a universal joint deteriorates, power transfer from the transmission to the driven wheels may become less efficient. This can lead to a decrease in acceleration, reduced towing capacity, or difficulty in maintaining consistent speed. Loss of power transfer efficiency can occur due to worn or seized universal joint components.
  • Visible Wear or Damage: A visual inspection of the universal joint can reveal signs of wear or damage. Look for excessive play or movement in the joint, rust or corrosion on the components, cracked or broken yokes, or worn-out bearings. Any visible signs of damage indicate a potential issue with the universal joint.
  • Grease Leakage: Universal joints are typically lubricated with grease to reduce friction and wear. If you notice grease leakage around the joint or on the surrounding components, it may indicate a failing seal or a damaged bearing, which can lead to joint failure.

To diagnose a failing universal joint, the following steps can be taken:

  1. Perform a visual inspection: Inspect the universal joint and surrounding components for any visible signs of wear, damage, or leakage. Pay attention to the condition of the yokes, bearings, seals, and grease fittings.
  2. Check for excessive play: While the vehicle is on a level surface and the parking brake is engaged, attempt to move the driveshaft back and forth. Excessive play or movement in the universal joint indicates wear or looseness.
  3. Listen for abnormal noises: During a test drive, listen for any clunking, knocking, or unusual noises coming from the universal joint area. Pay attention to noise changes during acceleration, deceleration, and gear changes.
  4. Monitor vibrations: Note any vibrations felt through the vehicle, especially at higher speeds or under load conditions. Excessive vibrations can indicate problems with the universal joint or driveshaft.
  5. Seek professional inspection: If you suspect a failing universal joint but are uncertain about the diagnosis, it’s recommended to consult a professional mechanic or technician with experience in drivetrain systems. They can perform a comprehensive inspection, including measurements and specialized tests, to accurately diagnose the condition of the universal joint.

It’s important to address any signs of a failing universal joint promptly to avoid further damage, drivability issues, or potential safety hazards. Regular maintenance, including periodic inspection and lubrication, can help prevent premature universal joint failure.

In summary, signs of a failing universal joint include clunking or knocking noises, vibrations, difficulty in power transfer, visible wear or damage, and grease leakage. Diagnosing a failing universal joint involves visual inspection, checking for excessive play, listening for abnormal noises, monitoring vibrations, and seeking professional inspection when necessary.

universal joint

What lubrication is required for a universal joint?

Proper lubrication is crucial for the smooth and efficient operation of a universal joint. The type and amount of lubrication required may vary depending on the specific design and manufacturer’s recommendations. Here are some general guidelines:

  • High-quality lubricant: It is important to use a high-quality lubricant that is specifically recommended for universal joints. Consult the manufacturer’s guidelines or technical documentation to determine the appropriate lubricant type and viscosity for your universal joint.
  • Grease or oil: Universal joints can be lubricated with either grease or oil, depending on the design and application requirements. Grease is commonly used as it provides good lubrication and helps to seal out contaminants. Oil can be used in applications that require constant lubrication or when specified by the manufacturer.
  • Quantity of lubrication: Apply the recommended quantity of lubricant as specified by the manufacturer. Over-greasing or under-greasing can lead to problems such as excessive heat, increased friction, or inadequate lubrication. Follow the manufacturer’s guidelines to ensure the optimal amount of lubricant is applied.
  • Lubrication points: Identify the lubrication points on the universal joint. These are typically located at the cross bearings or bearing cups where the cross interfaces with the yoke. Apply the lubricant directly to these points to ensure proper lubrication of the moving components.
  • Lubrication intervals: Establish a lubrication schedule based on the operating conditions and manufacturer’s recommendations. Regularly inspect and lubricate the universal joint according to the specified intervals. Factors such as operating speed, load, temperature, and environmental conditions may influence the frequency of lubrication.
  • Re-lubrication: In some cases, universal joints may have provisions for re-lubrication. This involves purging old lubricant and replenishing it with fresh lubricant. Follow the manufacturer’s instructions for the re-lubrication procedure, including the recommended interval and method.
  • Environmental considerations: Consider the operating environment when selecting the lubricant. Factors such as temperature extremes, exposure to moisture or chemicals, and the presence of contaminants can affect the choice and performance of the lubricant. Choose a lubricant that is suitable for the specific environmental conditions of your application.
  • Maintenance and inspection: Regularly inspect the universal joint for signs of inadequate lubrication, excessive wear, or contamination. Monitor the temperature of the joint during operation, as excessive heat can indicate insufficient lubrication. Address any lubrication issues promptly to ensure the proper functioning and longevity of the universal joint.

Always refer to the manufacturer’s recommendations and guidelines for lubrication specific to your universal joint model. Following the proper lubrication practices will help optimize the performance, reduce wear, and extend the lifespan of the universal joint.

China Professional 9V7710 Universal Joint for CAT Dozer Excavator  China Professional 9V7710 Universal Joint for CAT Dozer Excavator
editor by CX 2024-01-26