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China high quality CZPT CZPT A7 Truck CZPT CZPT Gearbox Parts Universal Joint 26013314080

Product Description

DESCRIPTION PART NAME SHACMAN TRUCK CHASSIS PARTS UNIVERSAL JOINT 
PART NO. SHACMAN 
TRUCK MODEL 26013314080 
PART COLOR OEM COLOR
WE CAN ALSO SUPPLY THE PARTS OF WABCO
TRUCK PARTS SINOTRUK  HOWO CHINAMFG XIHU (WEST LAKE) DIS.N GENLYON FOTON  FAW  XIHU (WEST LAKE) DIS.FENG
CONSTRUCTION MACHINERY PARTS  
BUS PARTS  
DIESEL INJECTION PARTS   

Who are we?
The most professional truck and spare parts manufacturer in China;
The leading truck and spare parts exporter in China;
The most comprehensive truck and spare parts solution provider in China;
The most worry-free and most satisfactory and reputable supplier for you in China.
We can never let you down if you choose us.
Real reviews from our customers

FAQ
Q1: Can you also supply Heavy Truck parts?
A1: Yes, We specialize in Sinotruk, Shacman, such as HOWO, CHINAMFG F3000,F2000, etc.

Q2: What’s the MOQ?
A2: Usually MOQ is according to different products,5 -10PCS/model for stock items.

Q3: What’s the delivery time?
A3: It takes 5-7 days if there is stock, and takes 1 month if there is no stock.

Q4: What’s the payment term?
A4: All by T/T, 30% in advance, 70% balance before shipping; option: L/C at sight.

Q5: What’s the packaging?
A5: Neutral packing or customer make packing
Our Services
– OEM Manufacturing is welcome: Product, Package…
– Customized design exclusive sealing products
– Specially designed for SINOTRUK, CHINAMFG series
– Installation guide
– Product maintenance training
– Free sample for your test
– We will reply your inquiry in 24 hours

 

After-sales Service: 1
Warranty: 1
Condition: New
Color: Silver
Certification: ISO
Material: Stainless Steel
Samples:
US$ 1/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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universal joint

Can universal joints be used in marine and offshore applications?

Yes, universal joints can be used in marine and offshore applications. Here’s a detailed explanation:

Marine and offshore environments present unique challenges in terms of harsh operating conditions, exposure to saltwater, vibrations, and high torque requirements. Universal joints offer several advantages that make them suitable for use in these demanding applications.

1. Misalignment Compensation: Marine and offshore systems often require the transmission of rotary motion between misaligned shafts due to the dynamic nature of the environment. Universal joints excel at compensating for angular misalignment, allowing for smooth power transmission even when the shafts are not perfectly aligned.

2. Torque Transmission: Universal joints are capable of handling high torque loads, which is crucial in marine and offshore applications. They can efficiently transfer power between the main engine or motor and various equipment, such as propellers, winches, pumps, or generators.

3. Compact Design: Space is often limited in marine and offshore systems, and universal joints offer a compact design compared to alternative methods of transmitting motion between misaligned shafts, such as gearboxes or flexible couplings. This compactness allows for more efficient use of available space.

4. Corrosion Resistance: Marine and offshore environments are highly corrosive due to the presence of saltwater and other corrosive agents. Universal joints can be designed and manufactured using materials that exhibit excellent corrosion resistance, such as stainless steel or non-corroding alloys, to ensure long-term performance and reliability in these environments.

5. Sealing and Lubrication: Proper sealing and lubrication are critical in marine and offshore applications to protect the universal joint’s internal components from water ingress and corrosion. Specialized sealing mechanisms, such as lip seals or labyrinth seals, can be implemented to prevent water intrusion, while effective lubrication systems ensure smooth operation and reduce wear.

6. Shock and Vibration Resistance: Marine and offshore equipment are subjected to significant shock and vibration loads due to wave motion, vessel movement, or equipment operation. Universal joints are designed to withstand these dynamic forces and provide reliable power transmission in such conditions. The use of high-quality bearings, robust construction, and proper balancing contribute to their resilience against shock and vibration.

7. Customization: Universal joints can be customized to suit specific marine and offshore applications. Manufacturers can tailor the design and materials to meet unique requirements, such as high-speed operation, extreme temperature variations, or specific size constraints. Customization ensures that the universal joints are optimized for their intended use, maximizing their performance and reliability.

When utilizing universal joints in marine and offshore applications, it is crucial to consider factors such as load requirements, environmental conditions, maintenance procedures, and compliance with relevant industry standards and regulations. Regular inspection, maintenance, and proper lubrication are necessary to ensure the longevity and reliable operation of universal joints in these challenging environments.

In summary, universal joints can be effectively used in marine and offshore applications due to their ability to compensate for misalignment, handle high torque loads, compact design, corrosion resistance, sealing and lubrication capabilities, shock and vibration resistance, and customization options. The selection and design of universal joints should consider the specific requirements and challenges associated with marine and offshore environments to ensure optimal performance and reliability.

universal joint

What is the effect of varying operating angles on the performance of a universal joint?

Varying operating angles can have a significant effect on the performance of a universal joint. Here’s a detailed explanation:

A universal joint is designed to transmit rotational motion between two shafts that are not collinear or have a constant angular relationship. The operating angle refers to the angle between the input and output shafts of the joint. The effects of varying operating angles on the performance of a universal joint are as follows:

  1. Changes in Torque and Speed: As the operating angle of a universal joint increases or decreases, the torque and speed transmitted through the joint can be affected. At small operating angles, the torque and speed transmission are relatively efficient. However, as the operating angle increases, the torque and speed capacity of the joint may decrease. This reduction in torque and speed capability is due to increased non-uniform loading and bending moments on the joint’s components.
  2. Increased Vibrations and Noise: Varying operating angles can introduce vibrations and noise in a universal joint. As the operating angle becomes more extreme, the joint experiences higher levels of dynamic imbalance and misalignment. This imbalance can lead to increased vibration levels, which may affect the overall performance and lifespan of the joint. Additionally, the non-uniform motion and increased stress on the joint’s components can generate additional noise during operation.
  3. Angular Misalignment Compensation: One of the primary advantages of universal joints is their ability to compensate for angular misalignment between shafts. By accommodating varying operating angles, the joint allows for flexibility in transmitting motion even when the input and output shafts are not perfectly aligned. However, extreme operating angles may challenge the joint’s ability to compensate for misalignment effectively. Very large operating angles can lead to increased wear, decreased joint life, and potential loss of motion transmission efficiency.
  4. Increased Wear and Fatigue: Varying operating angles can contribute to increased wear and fatigue on the universal joint’s components. As the operating angle increases, the joint experiences higher levels of stress and non-uniform loading. This stress concentration can lead to accelerated wear and fatigue, especially at critical areas such as the bearing caps and needle bearings. Continuous operation at extreme operating angles without proper lubrication and maintenance can significantly reduce the joint’s lifespan.
  5. Heat Generation: Extreme operating angles can result in increased heat generation within the universal joint. The non-uniform motion and increased friction caused by high operating angles can lead to elevated temperatures. Excessive heat can accelerate lubricant breakdown, increase wear rates, and potentially cause premature failure of the joint. Adequate cooling and proper lubrication are essential to mitigate the effects of heat generation in such cases.
  6. Efficiency and Power Loss: Varying operating angles can impact the overall efficiency of a universal joint. At small to moderate operating angles, the joint can transmit motion with relatively high efficiency. However, as the operating angle increases, the joint’s efficiency may decrease due to increased friction, bending moments, and non-uniform loading. This reduction in efficiency can result in power loss and decreased overall system performance.

Therefore, it is crucial to consider the effects of varying operating angles on the performance of a universal joint. Proper design, careful selection of operating angles within the joint’s specified limits, regular maintenance, and adherence to manufacturer guidelines can help mitigate the potential negative effects and ensure optimal performance and longevity of the joint.

universal joint

What are the applications of a universal joint?

A universal joint, also known as a U-joint, finds applications in various industries and mechanical systems where the transmission of rotary motion is required between misaligned shafts. Here are some common applications of universal joints:

  • Automotive Drivelines: One of the most well-known applications of universal joints is in automotive drivelines. Universal joints are used in the drivetrain to transmit power from the engine to the wheels while accommodating the misalignment between the engine, transmission, and axle shafts. They are commonly found in rear-wheel drive and four-wheel drive vehicles, connecting the transmission output shaft to the drive shaft and allowing the wheels to receive power even when the suspension system causes changes in angles and positions.
  • Industrial Machinery: Universal joints are widely used in industrial machinery where the transmission of motion at angles is required. They are employed in various types of machinery, such as conveyors, mixers, pumps, printing presses, and machine tools. Universal joints enable the transfer of rotary motion between misaligned shafts, allowing these machines to operate efficiently and effectively.
  • Marine and Propulsion Systems: In marine applications, universal joints are used in propulsion systems to transmit power from the engine to the propeller shaft. They allow for the necessary flexibility to accommodate the movement of the vessel and changes in the propeller shaft angle. Universal joints are also used in marine steering systems to transfer motion between the steering wheel and the rudder or outboard motor.
  • Agricultural Equipment: Universal joints are utilized in agricultural machinery and equipment such as tractors, combines, and harvesters. They enable the transmission of power between different components, such as the engine, gearbox, and wheels, even when these components are not perfectly aligned. Universal joints provide the necessary flexibility to accommodate the movement and articulation required in agricultural operations.
  • Aerospace and Aviation: Universal joints are used in aerospace and aviation applications where motion transmission at angles is required. They can be found in control systems for aircraft wings, flaps, and landing gear. Universal joints allow for the transfer of motion and control inputs between different components, ensuring smooth and reliable operation.
  • Heavy Machinery and Construction Equipment: Universal joints are employed in heavy machinery and construction equipment, such as cranes, excavators, and loaders. They enable the transmission of power and motion between different parts of the machinery, accommodating the misalignment that may arise due to the movement and articulation of these machines.
  • Railway Systems: Universal joints are used in railway systems for various applications. They are employed in drivetrains and power transmission systems to transmit motion between different components, such as the engine, gearboxes, and axles. Universal joints allow for smooth power transfer while accommodating the misalignment caused by the suspension and movement of the train.
  • Robotics and Automation: Universal joints find applications in robotics and automation systems where motion needs to be transmitted between misaligned components. They are used in robotic arms, manipulators, and other automated systems to enable flexible and precise movement while accommodating misalignment and articulation requirements.

These are just a few examples of the diverse range of applications for universal joints. Their ability to transmit rotary motion between misaligned shafts with flexibility and efficiency makes them an essential component in numerous industries and mechanical systems.

China high quality CZPT CZPT A7 Truck CZPT CZPT Gearbox Parts Universal Joint 26013314080  China high quality CZPT CZPT A7 Truck CZPT CZPT Gearbox Parts Universal Joint 26013314080
editor by CX 2023-11-08

China Robot Elbow Joint Harmonic Drive HST-25-50-I Zero Backlash Gearbox u joint alignment

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Types of CZPT U Joints

A u joint is a mechanical part that connects various components in a vehicle’s drivetrain. Its primary function is to transfer power from the transmission to the axle housing assembly. It also helps the driveshaft change angle when the vehicle is moving, such as when the suspension moves. It is very important to choose a high-quality joint to ensure optimum performance. Otherwise, the part may fail, which could result in damage to the vehicle and potentially harm to the occupants.
u joint

CZPT U Joints

CZPT U Joints are high quality, precision engineered ball joints that are made from durable steel. They are easy to maintain, fully greaseable, and cover a wide variety of vehicles. CZPT products are also very affordable. This is an attractive benefit for drivers, as they’ll be able to afford to purchase replacement parts for their vehicle.
CZPT U Joints are precision-ground to tight tolerances. They also have a warranty that covers defects in materials and workmanship. The warranty covers both the parts and labor involved in replacing them. CZPT’s u-joints are built to last and have been tested rigorously to ensure they’re reliable. The company also uses the latest technology to ensure that installation of replacement parts is quick and easy.
Premium u-joints from CZPT are machined to original equipment specifications. They’re part of the company’s total undercar solutions. Each u-joint is precision-ground to tight tolerances and is quality-controlled at every stage of production. CZPT’s u-joints also feature cold-formed and case-hardened bearing cups that offer 360-degree lubrication distribution.
u joint

CZPT CV joints

If you’re in the market for a new set of CV joints for your car or truck, you’ll want to check out the CZPT brand. These parts are known for being durable and reliable, and they can restore your car’s chassis to like-new condition. There are many types of CZPT CV joints available, from front-end CV joints to rear-end CV joints and upper and lower ball joints.

Hooke’s joint

The Hooke’s joint is a mechanical joint that transfers rotation between two shafts, typically a crankshaft and a transmission. The joint is made up of two yoke arm members that are placed at right angles. A cross-shaft connects the two yoke arms. The arms are supported by needle roller caps. Relative rotations about the gimbal give the joint added degrees of freedom.
The Hooke’s joint is one of many different types of universal joints and is often used to connect two non-parallel shafts. Its U-shaped forked end makes it possible to accurately fix the two shafts in position and transmit motion. It is also commonly used in automobiles to transmit power from a gearbox to a rear axle.
The Hooke’s joint can be explained with the help of a simple illustration. In Fig. 6.29, the driven shaft is inclined downward, while the input shaft is horizontal. As the driven shaft turns 90 degrees, the input shaft moves to its maximum position, while a further quarter turn brings the joint back to its initial position.
In aviation, the Hooke’s joint effect has been used to describe the behavior of two different activities: hovering and autorotating. In addition to this, the concept of the Hooke’s joint effect has been applied to teetering rotors, lead-lag hinges, and flapping hinges. Despite this broad application, however, it is important to remember that this is a theory, not gospel.
u joint

Double Cardan joint

The Double Cardan joint is a type of CV joint. This type of joint transmits torque from a drive shaft to a driven shaft, and it exhibits good stability, low vibration, and low inertia. It’s designed for heavy-duty applications. It consists of a cylindrical torque coupler and two yokes. The two yokes are attached by a collar, with the first collar being pinned to the input shaft and the second collar pinned to the output shaft.
This type of joint is used in telescopic drive shafts. These joints have an adjustable center element that enables them to compensate for axial displacement or misalignment. These types of joints also allow for faster repositioning. Some of them even have telescopic segments. If your shaft is not aligned properly, double Cardan joints may be the best solution.
The double Cardan joint was developed to overcome the limitations of single Cardan joints in PTO drivelines. They are used in cases where the operating angles are too large for single Cardan joints. The double cardan joint has a coupling yoke with a centreing mechanism to keep the input and output shafts in line. In addition, the Wide-angle Double Cardan joint utilizes a flat disc with a couple of sockets.
The Double Cardan joint offers smooth operation at higher operating angles than single cardan joints. But this type of joint is sensitive to ride height changes. Every inch increase in ride height changes the angle of the double cardan joint and the lower u-joint. For this reason, you may have to compromise between the two angles for a smooth operation.
China Robot Elbow Joint Harmonic Drive HST-25-50-I Zero Backlash Gearbox     u joint alignmentChina Robot Elbow Joint Harmonic Drive HST-25-50-I Zero Backlash Gearbox     u joint alignment
editor by czh 2023-02-20

China Laifual HFUC harmonic speed reducer gearbox for robot joint u joint replacement cost

Relevant Industries: Garment Shops, Building Substance Retailers, Producing Plant, Machinery Restore Outlets, Food & Beverage Manufacturing unit, Farms, Cafe, Foodstuff Shop, Printing Retailers, Building works , Vitality & Mining, Meals & Beverage Shops, automation/robotic
Gearing Arrangement: Harmonic
Output Torque: 3.8-157.6NM
Input Speed: 3000rpm
Output Speed: 25-60rpm
Guarantee: 1 Calendar year
Equipment Ratio: eighty-a hundred and twenty
Bodyweight: .4-5.15kg
Packaging Information: Standard export carton
Port: ZheJiang /HangZhou

Higher Precision Harmonic Travel Pace Reducer Exchange CSF
one. LSS collection- Model analization

two. Solution Photo

three. Principal characteristics

Compact and easy layout
High torque potential
Large stiffness
Non-backlash
Large place and rotational accuracies
Coaxial input and output
Mild fat

LSS Series
A blend item which is effortless to function. Each product has a cross-roller bearing that with substantial rigidity to help exterior loads.

LSN Series
A light weight item. Examine with standard solution that with the very same performance, Radial bearing capability is bigger than conventional deep groove ball bearings entire ball deep groove ball bearing LSN series is thirty% lighter.

LSG Series
Large torque. Assess with normal products, LSG series’ torque potential is thirty% higher. And the support lifestyle is improved by 43%, with high load ability and higher reliablity.

four. Combinative construction

5. Rated parameter table of LSS/LSN sequence

Packaging & Delivery
Standard export box deal and shipping and delivery by the provider you favored, by sea , air or specific.
Our Companies
1. Expert maker for harmonic gearbox, owns skilled engineer crew, test group and sale crew
two. With GB/T 19001-2016 / ISO9001:2015 certificated factory
3. Strong Assets manufacturing facility can give future and secure support
4. Good and stable quality make you use satisfactorily.
5. Long services lifestyle and competitive value, quickly supply
6. Rapidly Reply and Very good Service

Company Info
Laifual was recognized in 2013 and specialized in large precision harmonic equipment reducer’s design and manufacture.
Whole investment: sixty million(Far more than 30% input on all varieties of equipments)
Overall spot: 30,000 sq. meters
The Creation Capability: 20,0000 models / calendar year.
Recent employees: 300 staffs (with much more than 180 professional and technological individual, far more than thirty R& AC Servo Motor Kinco 2S56Q-030B5 New and first stepper motor D man or woman)
Laifual’s product can entirely substitute the abroad makes, which has more than fifty% advertising share at robotic CNC machine tools and automation industry in China.
Laifual is a fast growing organization, also it is the very first harmonic travel organization that coming into the services robots’ researching and producing in China.
For increasing our market,we are searching for dealers in the throughout the world!

FAQ
Q: Are you buying and selling firm or maker ?A: We are producer and buying and selling business.Q: How long is your shipping and delivery time?A: Typically it is 15-30days, it is dependent on get quantity. For custom-made products, you can verify with us once more.Q: What is your conditions of payment ?A: For get volume which is less than 1000USD, 100% in progress much more than 1000USD, thirty% T/T in advance, stability ahead of shippment.If you have yet another question, please feel free to contact us.

What You Need to Know About U-Joints

Your car’s u-joint is the main connector between your car’s transmission and the wheels. If it fails, your car will not move. It may also make a loud banging noise, so you may need to have it towed to a repair shop. Fortunately, u-joint failure is rare, but it’s best to keep an eye on it regularly. There’s no specific maintenance schedule for u-joints, but most manufacturers recommend checking them periodically, and you can do it when you change the oil in your car.
u joint

Typical u-joints

Typical U-joints receive a serious workout as the vehicle accelerates or decelerates. As a result, u-joint maintenance is essential. While u-joints are lubricated from the factory, you should check them at least twice per year and service them as necessary.
Typically, U-joints have one side that bolts onto a yoke and another side that is pressed into the yoke. The bolt-on side has a C-clip to hold the cap in place. While the locking mechanisms are similar, some are stronger than others. In addition, U-joints need to be compatible with the axle shafts they are attached to.
U-joints are an important component of a truck’s suspension. They allow the drive shaft to move up and down as the vehicle turns, which helps the vehicle transfer power. Universal joints also make up for the movement of the driveshaft in front-wheel-drive vehicles. Without these joints, a suspension system would be unable to offer substantial wheel travel.
To check if your U-joints are worn, listen for a squeaking or clicking noise when the vehicle moves or shifts gear. You may also experience a shuddering or vibrating sensation. If you notice any of these symptoms, you should schedule an appointment with a certified ASE technician. You don’t want to ignore these signs because they can lead to expensive repairs and damage the drive shaft.
A single universal joint should be able to transmit 20 in-lbs of torque continuously. This torque needs to be applied at a 15deg angle, while the speed should be 600 RPM to operate properly. This torque capacity is calculated by multiplying the torque with a use factor or dynamic factor of 2. The use factor should be taken into account when choosing the right joint. When choosing a universal joint, you should also consider the operating angle of the shaft. In general, you should limit the angle of the shaft to about 15deg, but it may be allowed up to 30deg in manual operation.
u joint

Characteristics

Understanding the characteristics of a u joint can make it easier for you to choose one for your specific application. While u-joints are all similar, they can be differentiated in terms of size, function, and application. While size is the most important characteristic, there are other factors that will help you determine the right joint for your needs.
When properly maintained, u-joints can last the life of your vehicle. However, heavy towing and aggressive off-roading can cause premature failure. To extend u-joint life, it is important to regularly grease them and lubricate them. Other causes of u-joint failure include loose bolts, corrosion, and improper torqueing. Misalignment can also wear out the joint.
Universal joints are flexible couplings that are used to mate misaligned shafts. Universal joints are usually coloured according to their equations of motion. The red and blue planes indicate the joint’s angle of bend. The zero plane represents the axles parallel to each other.
The operating angle of a U-joint affects the transmission’s performance. Changing the operating angle may cause vibration in the transmission. The double operating angle of a U-joint can reduce the life span of the joint by as much as half. As a result, the operating angle must be reduced in order to improve its performance.
A U-joint is the most common type of axle joint used on cars. The majority of factory-fitted U-joints are grease-free and feature colored snap rings. A U-joint is also referred to as a Cardan Joint, but this is an incorrect name. The Cardan Joint is a different type of joint and has different characteristics.
If you suspect that your u-joint is failing, you should have it checked. A failed u-joint will produce a clicking or squeaking noise. It will also make a clunking noise when the car accelerates or changes gears. If you notice that these symptoms, it is important to replace your u-joint right away.
The optimum size of a U-joint depends on the type of machine and the application. A U-joint with a lower capacity should be used in machines where the bearings experience more frequent lubrication. Ideally, a U-joint should be lubricated every 36 to 60 months, depending on the type and size of the machine.

Cost

The cost of a new U joint is based on several factors, including labor and vehicle make. The labor involved in the process is generally the largest component of the overall cost. Some U-joints are more difficult to replace than others. A truck U-joint is often much simpler to replace than a car U-joint. The price to replace a U-joint will also vary depending on the make and model of your vehicle, and how many you need replaced.
The average cost of a new U-joint ranges from $150 to $180. This price range includes labor costs and parts prices. It does not include taxes and fees. Moreover, the labor rate may be higher or lower depending on the make and model of your vehicle. If you’d like to be sure about the cost of a replacement, you should compare the rates of different service providers in your area.
A worn-out U-joint can cause the wheels to rotate out of balance. It can also cause damage to the drive shaft, which will increase the overall cost of a replacement. Moreover, a worn-out u-joint may even cause the transmission to break down.
Even though a U-joint may not be the most expensive component of a vehicle, it is essential to keep it in good condition. Otherwise, you could end up spending hundreds of dollars on a repair. And if you don’t do it early enough, the damage may become permanent.
A properly-fitted U-joint can also improve performance. This type of joint is made of cast iron and has arms that are even in length. In addition, it is packed with heavy grease for lubrication. It also often comes with a grease fitting. The bearing cups in the universal joint press into a machined hole in the driveshaft or a component flange. The bearing cups are held in place by clips.
While a U-joint can last many years, it is subject to wear and tear, and should be greased every 20,000 to 40,000 miles. When not properly maintained, it can dry out and break due to a lack of grease.
u joint

Replacement

If you need to have your U joint replaced, you need to prepare the area for surgery. Clean the area with a rag. Then, make sure that you have a wrench or sockets available to change the UJ. Also, make sure that you have snap-rings to secure the bearing cups. Once you have these things, you can remove the U joint. Be careful not to damage the driveshaft, however.
The U joint replacement process will last for one or two hours and cost about $25. The labor required to install the part will cost a couple hundred dollars. A $25 part can cost a lot more when someone else does it for you. The average labor rate for a U joint replacement is $100/hour. However, there are some steps you can take to make your surgery as easy as possible.
First, you should ensure that the replacement u joint is of a high quality. The higher quality the u joint replacement, the less likely it will fail. Besides, it will save you time and money in the long run. It will also prevent further damage to your vehicle. And don’t forget to have the u joint lubricated regularly.
The U joint is responsible for keeping the rear axle attached to the transmission. A broken one can cause the driveshaft to fall off your auto. In such a case, you may need a new driveshaft. The best way to determine if your U joint needs replacement is to check it while your vehicle is on a lift. If you notice any movement at all, this means your u-joints have worn. In addition, you should check the driveshaft for dents or impact damage. The drive shaft may also become damaged if objects have been stuck to it.
A lubricant for your U joint will extend its life greatly. You can also use a wire brush to clean the area. WD-40 can also be sprayed around the bearing caps.
China Laifual HFUC harmonic speed reducer gearbox for robot joint     u joint replacement costChina Laifual HFUC harmonic speed reducer gearbox for robot joint     u joint replacement cost
editor by czh 2023-02-19