Product Description
Free Sample Assembly Cardan Shaft GUN-34 Universal Joint Cross Bearing Kit Universal Joint Cardan Joint Cross Pin Type Joint U-Joint Bearing
| Type | Universal Joint |
| Brand | TFN |
| Model | GUN-34 |
| Place of Origin | ZheJiang ,China |
| Precision Rating | P0 p1 P4 P5 |
| Seals type | open |
| Material | C45 carbon steel,40Cr steel,20CrMnTi |
| Appication | Tractor |
| Lubration | oil grease |
| package | Single Box |
| Vibration | V1 V2 V3 |
| Service | OEM Customized Services |
| Contact Angle: | 15° |
|---|---|
| Aligning: | Non-Aligning Bearing |
| Separated: | Unseparated |
| Rows Number: | Multiple |
| Load Direction: | Radial Bearing |
| Material: | Bearing Steel |
| Samples: |
US$ 1.64/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
Are cardan joints suitable for both high-torque and high-speed applications?
Cardan joints can be used in a variety of applications, but their suitability for high-torque and high-speed applications depends on several factors. Here’s a detailed explanation of the considerations regarding the use of cardan joints in such scenarios:
1. High-Torque Applications: Cardan joints are generally well-suited for high-torque applications. The design of the joint allows for the transmission of significant torque between misaligned shafts. However, it is important to consider the specific torque requirements and operating conditions. Factors such as the size and type of the joint, the material used, and the application’s torque demands should be taken into account. In extremely high-torque applications, alternative coupling mechanisms such as gear couplings or universal joints may be more appropriate.
2. High-Speed Applications: While cardan joints can operate at relatively high speeds, there are some limitations to consider. At high rotational speeds, cardan joints can experience increased vibration, imbalance, and potential for fatigue failure. The rotating components of the joint can generate centrifugal forces, which can impact the balance and stability of the system. To mitigate these issues, careful design considerations, including balancing and vibration analysis, may be necessary. In some cases, alternative coupling mechanisms like flexible couplings or constant velocity joints may be better suited for high-speed applications.
3. Balancing and Vibration Control: Balancing the rotating components, such as the driveshaft and the joint itself, is essential for minimizing vibration issues in high-torque and high-speed applications. Imbalance can lead to increased vibrations, reduced efficiency, and potential damage to the joint and other system components. Proper balancing techniques, including dynamic balancing during manufacturing or precision balancing during installation, can help achieve smoother operation and minimize vibration problems.
4. Material Selection: The material used in the construction of the cardan joint plays a crucial role in its suitability for high-torque and high-speed applications. High-strength materials, such as alloy steels, are often preferred for their ability to handle increased torque loads. Additionally, materials with good fatigue resistance and high-speed capabilities can help ensure the durability and reliability of the joint in demanding applications.
5. Application-Specific Factors: The suitability of cardan joints for high-torque and high-speed applications also depends on the specific requirements and operating conditions of the application. Factors such as load characteristics, duty cycles, temperature, and environmental conditions should be considered. It is important to consult with the manufacturer or engineering experts to determine the appropriate size, type, and configuration of the cardan joint for a particular high-torque or high-speed application.
In summary, cardan joints can be suitable for both high-torque and high-speed applications, but careful consideration of factors such as torque requirements, speed limitations, balancing, material selection, and application-specific conditions is necessary. Evaluating these factors and consulting with experts can help determine the optimal coupling solution for a given high-torque or high-speed application.
What are the safety considerations when working with cardan joints?
Working with cardan joints requires careful attention to safety to prevent accidents, injuries, and equipment damage. Cardan joints are mechanical components used for torque transmission and misalignment compensation, and they operate under various loads and conditions. Here are important safety considerations to keep in mind when working with cardan joints:
- Proper Training and Knowledge: Ensure that individuals working with cardan joints have proper training and understanding of their operation, installation, and maintenance. Adequate knowledge of safe working practices, procedures, and potential hazards associated with cardan joints is crucial.
- Personal Protective Equipment (PPE): Use appropriate personal protective equipment, such as safety glasses, gloves, and protective clothing, when handling cardan joints. PPE protects against potential hazards like flying debris, sharp edges, or accidental contact with rotating components.
- Lockout/Tagout: Before performing any maintenance or repair work involving cardan joints, follow lockout/tagout procedures to isolate and de-energize the system. This prevents accidental startup or movement of machinery, ensuring the safety of personnel working on or near the cardan joints.
- Secure Mounting and Fastening: Ensure that cardan joints are securely mounted and properly fastened to prevent unexpected movement or dislodgment during operation. Loose joints or fasteners can lead to component failure, sudden movements, or damage to other parts of the system.
- Torque and Load Limits: Adhere to the recommended torque and load limits specified by the manufacturer for the cardan joints. Exceeding these limits can result in premature wear, deformation, or failure of the joints, posing safety risks and compromising the overall system’s functionality.
- Regular Inspection and Maintenance: Implement a regular inspection and maintenance program for the cardan joints. Inspect for signs of wear, damage, or misalignment, and address any issues promptly. Lubricate the joints according to the manufacturer’s recommendations to ensure smooth operation and prevent excessive friction or overheating.
- Safe Handling and Lifting: When handling or lifting cardan joints, use appropriate lifting equipment and techniques. Cardan joints can be heavy, and improper lifting can lead to strain or injuries. Ensure that lifting devices have the capacity to handle the weight of the joints safely.
- Avoid Contact with Rotating Components: Never reach into or make contact with rotating components of a system that incorporates cardan joints while the system is in operation. Keep loose clothing, jewelry, and other items away from moving parts to prevent entanglement or injury.
- Proper Disposal of Used or Damaged Joints: Follow proper disposal procedures for used or damaged cardan joints. Consult local regulations and guidelines for the disposal of mechanical components to minimize environmental impact and ensure compliance with safety and waste management standards.
- Manufacturer’s Guidelines: Always refer to and follow the manufacturer’s guidelines, instructions, and warnings specific to the cardan joints being used. Manufacturers provide important safety information, installation procedures, and maintenance recommendations specific to their products.
By addressing these safety considerations, individuals can mitigate potential risks associated with working with cardan joints, promote a safe working environment, and ensure the reliable and efficient operation of the systems they are integrated into.
How do you install a cardan joint?
Installing a cardan joint involves several steps to ensure proper alignment, secure attachment, and reliable operation. Here’s a detailed explanation of the process for installing a cardan joint:
- Prepare the Components: Gather all the necessary components for the installation, including the cardan joint, yokes, bearings, retaining rings, and any additional hardware required. Ensure that the components are clean and free from dirt, debris, or damage.
- Align the Shafts: Position the input and output shafts that will be connected by the cardan joint. Align the shafts as closely as possible to minimize misalignment. The shafts should be collinear and positioned at the desired angle or position for the specific application.
- Attach the Yokes: Attach the yokes to the input and output shafts. The yokes typically have holes or bores that match the diameter of the shafts. Securely fasten the yokes to the shafts using appropriate fasteners, such as set screws or bolts. Ensure that the yokes are tightly secured to prevent any movement or slippage during operation.
- Assemble the Cardan Joint: Assemble the cardan joint by connecting the yokes with the cross-shaped component. The cross should fit snugly into the yoke holes or bores. Apply a suitable lubricant to the bearings to ensure smooth rotation and reduce friction. Some cardan joints may have retaining rings or clips to secure the bearings in place. Make sure all the components are properly aligned and seated.
- Check for Clearance: Verify that there is adequate clearance between the cardan joint and any surrounding components, such as chassis or housing. Ensure that the cardan joint can rotate freely without any obstructions or interference. If necessary, adjust the positioning or mounting of the cardan joint to provide sufficient clearance.
- Perform a Trial Run: Before finalizing the installation, perform a trial run to check the functionality of the cardan joint. Rotate the connected shafts manually or with a suitable power source and observe the movement of the joint. Ensure that there are no unusual noises, binding, or excessive play. If any issues are detected, investigate and address them before proceeding.
- Secure the Cardan Joint: Once the functionality is confirmed, secure the cardan joint in its final position. This may involve tightening additional fasteners or locking mechanisms to keep the joint in place. Use the appropriate torque specifications provided by the manufacturer to ensure proper tightening without damaging the components.
- Perform Final Checks: Double-check all the connections, fasteners, and clearances to ensure that everything is properly installed and secured. Verify that the cardan joint operates smoothly and without any issues. Inspect the entire system for any signs of misalignment, excessive vibration, or other abnormalities.
It is important to follow the specific installation instructions provided by the manufacturer of the cardan joint, as different designs and configurations may have specific requirements. If you are unsure or unfamiliar with the installation process, it is recommended to consult the manufacturer’s documentation or seek assistance from a qualified professional to ensure a proper and safe installation of the cardan joint.
editor by CX 2023-11-21
China Hot selling Drive Shaft Assembly Universal Joint Pin 937h 957h 955t Wheel Loader CZPT with high quality
Product Description
| Machine Model: | 937H 957H 955T Sinomach Xihu (West Lake) Dis.n |
| Part drawing No: | 937H.3.Z |
| Color: | black |
| Advantage: | Good Mechanical Properties |
| Deliver Time: | 5 to 7 working days after receiving the advance payment |
drive shaft assembly universal joint pin
Spare parts of Sinomach Xihu (West Lake) Dis.n including:Engine system,Torque Converter and Transmission system,Power train, Hydraulic system,Brake system,Cab and accessorie,Conditioner system,Electrical system,Oil product, etc.
High quality products,enough stock,30 years export experience,we can offer professional service and competitive prices for you .
Sinomach Xihu (West Lake) Dis.n looking forward to cooperation with you.
Performance advantages of Xihu (West Lake) Dis.n transmission:
The transmission is a parallel shaft constant meshing hydraulic shift transmission. Due to the constant meshing of the transmission gears in the transmission, the service life of the gears is prolonged. The hydraulic shift box has a compact structure and makes the gear shift fast, light, stable and no impact sound.
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FAQ
1. What is your terms of payment?
T/T 30% as deposit, and balance paid before delivery(We’ll show you the all pictures of the products and packages before paying the balance)
2.How about your delivery time?
Generally, it will take 5 to 7 working days after receiving your advance payment. The specific delivery time depends on the quantity of your order.
3. Do you test all your goods before delivery?
A: Yes, we will have 100% test and double check before delivery.
4. How do you make our business long-term and good relationship?
(1) We keep good quality and competitive price to ensure our customers benefit
(2) We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.
5.After -sales service
We have QC department to guarantee the quality before delivery, If the products have any quality problems, our company will be responsible for it.
6.What kind of package?
Wooden cases, cartons, or the packaging you specify.
Stiffness and Torsional Vibration of Spline-Couplings
In this paper, we describe some basic characteristics of spline-coupling and examine its torsional vibration behavior. We also explore the effect of spline misalignment on rotor-spline coupling. These results will assist in the design of improved spline-coupling systems for various applications. The results are presented in Table 1.
Stiffness of spline-coupling
The stiffness of a spline-coupling is a function of the meshing force between the splines in a rotor-spline coupling system and the static vibration displacement. The meshing force depends on the coupling parameters such as the transmitting torque and the spline thickness. It increases nonlinearly with the spline thickness.
A simplified spline-coupling model can be used to evaluate the load distribution of splines under vibration and transient loads. The axle spline sleeve is displaced a z-direction and a resistance moment T is applied to the outer face of the sleeve. This simple model can satisfy a wide range of engineering requirements but may suffer from complex loading conditions. Its asymmetric clearance may affect its engagement behavior and stress distribution patterns.
The results of the simulations show that the maximum vibration acceleration in both Figures 10 and 22 was 3.03 g/s. This results indicate that a misalignment in the circumferential direction increases the instantaneous impact. Asymmetry in the coupling geometry is also found in the meshing. The right-side spline’s teeth mesh tightly while those on the left side are misaligned.
Considering the spline-coupling geometry, a semi-analytical model is used to compute stiffness. This model is a simplified form of a classical spline-coupling model, with submatrices defining the shape and stiffness of the joint. As the design clearance is a known value, the stiffness of a spline-coupling system can be analyzed using the same formula.
The results of the simulations also show that the spline-coupling system can be modeled using MASTA, a high-level commercial CAE tool for transmission analysis. In this case, the spline segments were modeled as a series of spline segments with variable stiffness, which was calculated based on the initial gap between spline teeth. Then, the spline segments were modelled as a series of splines of increasing stiffness, accounting for different manufacturing variations. The resulting analysis of the spline-coupling geometry is compared to those of the finite-element approach.
Despite the high stiffness of a spline-coupling system, the contact status of the contact surfaces often changes. In addition, spline coupling affects the lateral vibration and deformation of the rotor. However, stiffness nonlinearity is not well studied in splined rotors because of the lack of a fully analytical model.
Characteristics of spline-coupling
The study of spline-coupling involves a number of design factors. These include weight, materials, and performance requirements. Weight is particularly important in the aeronautics field. Weight is often an issue for design engineers because materials have varying dimensional stability, weight, and durability. Additionally, space constraints and other configuration restrictions may require the use of spline-couplings in certain applications.
The main parameters to consider for any spline-coupling design are the maximum principal stress, the maldistribution factor, and the maximum tooth-bearing stress. The magnitude of each of these parameters must be smaller than or equal to the external spline diameter, in order to provide stability. The outer diameter of the spline must be at least 4 inches larger than the inner diameter of the spline.
Once the physical design is validated, the spline coupling knowledge base is created. This model is pre-programmed and stores the design parameter signals, including performance and manufacturing constraints. It then compares the parameter values to the design rule signals, and constructs a geometric representation of the spline coupling. A visual model is created from the input signals, and can be manipulated by changing different parameters and specifications.
The stiffness of a spline joint is another important parameter for determining the spline-coupling stiffness. The stiffness distribution of the spline joint affects the rotor’s lateral vibration and deformation. A finite element method is a useful technique for obtaining lateral stiffness of spline joints. This method involves many mesh refinements and requires a high computational cost.
The diameter of the spline-coupling must be large enough to transmit the torque. A spline with a larger diameter may have greater torque-transmitting capacity because it has a smaller circumference. However, the larger diameter of a spline is thinner than the shaft, and the latter may be more suitable if the torque is spread over a greater number of teeth.
Spline-couplings are classified according to their tooth profile along the axial and radial directions. The radial and axial tooth profiles affect the component’s behavior and wear damage. Splines with a crowned tooth profile are prone to angular misalignment. Typically, these spline-couplings are oversized to ensure durability and safety.
Stiffness of spline-coupling in torsional vibration analysis
This article presents a general framework for the study of torsional vibration caused by the stiffness of spline-couplings in aero-engines. It is based on a previous study on spline-couplings. It is characterized by the following 3 factors: bending stiffness, total flexibility, and tangential stiffness. The first criterion is the equivalent diameter of external and internal splines. Both the spline-coupling stiffness and the displacement of splines are evaluated by using the derivative of the total flexibility.
The stiffness of a spline joint can vary based on the distribution of load along the spline. Variables affecting the stiffness of spline joints include the torque level, tooth indexing errors, and misalignment. To explore the effects of these variables, an analytical formula is developed. The method is applicable for various kinds of spline joints, such as splines with multiple components.
Despite the difficulty of calculating spline-coupling stiffness, it is possible to model the contact between the teeth of the shaft and the hub using an analytical approach. This approach helps in determining key magnitudes of coupling operation such as contact peak pressures, reaction moments, and angular momentum. This approach allows for accurate results for spline-couplings and is suitable for both torsional vibration and structural vibration analysis.
The stiffness of spline-coupling is commonly assumed to be rigid in dynamic models. However, various dynamic phenomena associated with spline joints must be captured in high-fidelity drivetrain models. To accomplish this, a general analytical stiffness formulation is proposed based on a semi-analytical spline load distribution model. The resulting stiffness matrix contains radial and tilting stiffness values as well as torsional stiffness. The analysis is further simplified with the blockwise inversion method.
It is essential to consider the torsional vibration of a power transmission system before selecting the coupling. An accurate analysis of torsional vibration is crucial for coupling safety. This article also discusses case studies of spline shaft wear and torsionally-induced failures. The discussion will conclude with the development of a robust and efficient method to simulate these problems in real-life scenarios.
Effect of spline misalignment on rotor-spline coupling
In this study, the effect of spline misalignment in rotor-spline coupling is investigated. The stability boundary and mechanism of rotor instability are analyzed. We find that the meshing force of a misaligned spline coupling increases nonlinearly with spline thickness. The results demonstrate that the misalignment is responsible for the instability of the rotor-spline coupling system.
An intentional spline misalignment is introduced to achieve an interference fit and zero backlash condition. This leads to uneven load distribution among the spline teeth. A further spline misalignment of 50um can result in rotor-spline coupling failure. The maximum tensile root stress shifted to the left under this condition.
Positive spline misalignment increases the gear mesh misalignment. Conversely, negative spline misalignment has no effect. The right-handed spline misalignment is opposite to the helix hand. The high contact area is moved from the center to the left side. In both cases, gear mesh is misaligned due to deflection and tilting of the gear under load.
This variation of the tooth surface is measured as the change in clearance in the transverse plain. The radial and axial clearance values are the same, while the difference between the 2 is less. In addition to the frictional force, the axial clearance of the splines is the same, which increases the gear mesh misalignment. Hence, the same procedure can be used to determine the frictional force of a rotor-spline coupling.
Gear mesh misalignment influences spline-rotor coupling performance. This misalignment changes the distribution of the gear mesh and alters contact and bending stresses. Therefore, it is essential to understand the effects of misalignment in spline couplings. Using a simplified system of helical gear pair, Hong et al. examined the load distribution along the tooth interface of the spline. This misalignment caused the flank contact pattern to change. The misaligned teeth exhibited deflection under load and developed a tilting moment on the gear.
The effect of spline misalignment in rotor-spline couplings is minimized by using a mechanism that reduces backlash. The mechanism comprises cooperably splined male and female members. One member is formed by 2 coaxially aligned splined segments with end surfaces shaped to engage in sliding relationship. The connecting device applies axial loads to these segments, causing them to rotate relative to 1 another.
