Description
Discover our premium black tractor universal joint shafts, available at a competitive factory price. Designed specifically for agricultural machinery, these parts feature a durable double structure made from robust steel.
With a one-year warranty and OEM customization options, our universal joint shafts are an excellent choice for a variety of applications, including manufacturing plants, machinery repair shops, farms, retail, construction, food and beverage establishments, and more.
Key Advantages of the SD Double Universal Joint
The SD Double Universal Joint provides numerous benefits for tractor PTO shafts. Here are some key advantages:
1. Increased Torque Transmission
The SD Double Universal Joint is engineered to efficiently handle high torque levels, ensuring effective power transfer from the tractor’s engine to the PTO-driven implement with minimal power loss or damage to the joint.
2. Angular Misalignment Compensation
This universal joint is capable of accommodating angular misalignment between the tractor and the implement, enhancing operational flexibility and efficiency.
3. Reduced Vibration and Noise
The design of the SD Double Universal Joint helps dampen vibrations and lower noise levels during operation, contributing to a more comfortable working environment.
4. Longevity and Durability
Built to withstand heavy loads and harsh conditions, the SD Double Universal Joint is typically made from high-quality materials such as hardened steel or alloy, providing exceptional strength and durability for long-term use.
Applications of the SD Double Universal Joint
SD Double Universal Joints are widely used in various agricultural applications due to their capability to transmit power smoothly and efficiently at high operating angles. Here are some specific applications where these joints are commonly utilized:
1. Harvesting Machinery
SD Double Universal Joints are essential in harvesting machinery such as combines, forage harvesters, and cotton pickers. They facilitate the transfer of power from the engine to the cutting, threshing, and conveying mechanisms, enabling efficient harvesting operations.
2. Rotary Cutters and Mowers
These joints play a crucial role in rotary cutters and mowers, which are vital for maintaining pastures and fields. By transmitting power from the tractor’s power take-off (PTO) to the cutting blades, SD Double Universal Joints ensure smooth and consistent operation, even at varying angles.
3. Tillage Equipment
Efficient power transmission is critical for tillage equipment like plows, disc harrows, and cultivators, which prepare the soil for planting. SD Double Universal Joints are used to transfer power from the tractor’s PTO to the rotating components of these machines, enhancing the tillage process.
4. Balers
In balers, which compress and bundle agricultural products like hay, straw, or silage into compact bales, SD Double Universal Joints transmit power from the tractor’s PTO to the baling mechanism. This ensures consistent and efficient bale formation.
5. Seeders and Planters
Seeders and planters, used for sowing seeds or planting crops, also utilize SD Double Universal Joints. They effectively transfer power from the tractor’s PTO to the seed metering mechanisms, ensuring accurate and uniform seed distribution.
6. Manure Spreaders
Manure spreaders employ SD Double Universal Joints to evenly distribute manure or organic fertilizers across agricultural fields. These joints enable efficient power transfer from the tractor’s PTO to the spreading mechanism, allowing for uniform distribution of materials.
Overall, the SD Double Universal Joint is integral to the functionality and efficiency of a wide range of agricultural equipment.
Types of Agricultural PTO Shaft Torque Limiters
PTO shaft torque limiters are essential in agricultural machinery, protecting equipment from damage caused by torque overload. Various types of torque limiters are designed to meet specific operational needs. Here’s an overview of the common types:
1. Shear Bolt Torque Limiter
This type employs a shear bolt that breaks when excessive torque is applied, effectively disconnecting the drive between the tractor and the implement. Shear bolt torque limiters are widely used in various implements and are particularly effective in situations where overload conditions are easily identifiable.
2. Friction Clutch Torque Limiter
Friction clutch limiters engage by slipping when torque exceeds a preset level, allowing them to absorb excess force without breaking. This type is ideal for applications where gradual overload conditions may occur, minimizing the need for frequent shear bolt replacements.
3. Ratchet Torque Limiter
Featuring a ratcheting mechanism, this type allows rotation in one direction while locking or slipping in the opposite direction during overload situations. Ratchet torque limiters are particularly suitable for implements like augers that require unidirectional operation.
4. Overrunning Clutch Torque Limiter
This limiter allows free rotation in one direction while engaging the clutch in the opposite direction. It can also include a torque-limiting feature to disconnect under overload conditions. Overrunning clutch limiters are commonly used in mowers and rotary cutters, enabling the implement to overrun when the tractor slows down.
These various types of PTO shaft torque limiters play a vital role in enhancing the safety and efficiency of agricultural equipment.
How the Double Universal Joint for Tractor PTO Shaft Works
The SD Double Universal Joint is a mechanical device that facilitates the transmission of power from a tractor’s engine to attached implements. It consists of two universal joints connected by a centering yoke. Here’s how it operates:
1. Universal Joints
The SD Double Universal Joint features two universal joints, also known as Cardan joints. Each joint consists of a cross-shaped yoke with four arms. At the end of each arm, there is a bearing cap containing needle bearings, which allow for smooth rotation and efficient torque transfer between the connected shafts.
2. Centering Yoke
The centering yoke connects the two universal joints and is typically square or rectangular in shape, featuring a center hole that fits over the tractor’s PTO shaft. This yoke provides stability and alignment for the universal joints, ensuring effective power transmission.
3. Attached Implements
One end of the SD Double Universal Joint connects to the tractor’s PTO shaft, which is driven by the engine. The other end connects to the implement or machinery requiring power. The implement usually has its own input shaft, onto which the universal joint is fitted, allowing power to be transmitted effectively.
4. Power Transmission
As the tractor’s engine generates rotational power, it is transferred to the PTO shaft. This shaft then conveys the power to one end of the SD Double Universal Joint. The universal joint allows for smooth transfer of the PTO shaft’s rotational motion to the second universal joint through the centering yoke, enabling efficient operation of the attached implement.
This mechanism ensures reliable and effective power transmission in agricultural applications, even in the presence of misalignment between the tractor and the implement.
Choosing the Right SD Double Universal Joints for PTO Shaft
Selecting the appropriate SD Double Universal Joints for a tractor PTO shaft requires careful consideration of several factors to ensure a proper fit and optimal performance. Here are some key points to keep in mind:
1. Compatibility
Make sure the SD Double Universal Joints you select are compatible with your tractor’s PTO shaft. Check specifications such as shaft size, spline count, and overall dimensions to guarantee a proper fit.
2. Power Rating
Consider the power rating of the SD Double Universal Joints. They should be capable of handling the power output of your tractor’s engine and the specific implements or attachments you intend to use.
3. Operating Angles
Determine the necessary range of operating angles for your application. While SD Double Universal Joints can accommodate varying angles, it’s essential to choose a joint that can handle the specific angles your PTO shaft may encounter during operation. Pay attention to the maximum angle capability and the overall operating angle range of the joint.
4. Durability and Quality
Look for SD Double Universal Joints made from high-quality materials known for their durability. Assess factors such as the type of bearings used, the strength of the yokes, and the overall construction of the joint. Opting for a reliable and robust joint will help ensure long-term performance and reduce the risk of failures.
5. Maintenance Requirements
Consider the maintenance needs of the SD Double Universal Joints. Choose joints that are designed for ease of maintenance, such as those that allow for lubrication or come with accessible grease fittings. Regular maintenance is crucial for ensuring the longevity and smooth operation of the joints.
By taking these factors into account, you can select the right SD Double Universal Joints for your PTO shaft, ensuring effective and reliable performance in your agricultural applications.
Maintenance of the SD Double Universal Joints
Proper maintenance of SD Double Universal Joints for a tractor PTO shaft is crucial for ensuring their longevity and reliable performance. Here are some essential maintenance practices to follow:
1. Regular Inspection
Conduct visual inspections of the SD Double Universal Joints regularly. Look for signs of wear, damage, or looseness, such as cracks, excessive play, or any irregularities that could impact performance.
2. Lubrication
Proper lubrication is vital for the smooth operation of the joints. Adhere to the manufacturer’s recommendations for lubrication intervals and use the specified grease or lubricant. Apply the lubricant to the fittings or designated areas as instructed.
3. Torque Check
Periodically check the torque on the fasteners securing the joints to the PTO shaft and the implement. Ensure they are tightened to the manufacturer’s specified torque values, avoiding over-tightening to prevent stress and potential damage to the joints.
4. Operating Angle
Be mindful of the operating angles of the PTO shaft during use. Avoid extreme angles that exceed the joint’s recommended range, as this can accelerate wear and lead to failure. Adjust the implement or tractor position as needed to minimize excessive angles.
5. Replacement
If you notice significant wear, damage, or play during inspections, consider replacing the SD Double Universal Joints. Continuing to use worn or damaged joints can compromise performance and lead to further issues or failure.
By following these maintenance practices, you can help ensure the SD Double Universal Joints function effectively and have a long service life.
Why Choose FMP’s SD Double Universal Joint for PTO Shaft?
FMP Drive Shaft Co., Ltd. is based in Hangzhou, Zhejiang Province, conveniently located just two hours from Pudong Airport and one hour from Xiaoshan Airport, near the East of Hangzhou Station. Our facility covers over 12,000 square meters and is supported by a dedicated team of more than 100 professionals. We specialize in the development, manufacturing, and marketing of a wide range of products, including PTO shafts, agricultural gearboxes, PTO shaft accessories, u-joints, torque limiters, PTO shaft tubes, yokes, adaptors, industrial cardan shafts, and car driveshafts.
With an annual turnover of 60 million RMB (approximately 9 million USD) and a consistent growth trajectory, our products have earned a strong reputation among customers in Europe, America, Asia, Australia, and North America. We are a leading OEM supplier for numerous agricultural implement manufacturers in the domestic market.
At FMP, we prioritize: Quality First, Fast Delivery, and Competitive Pricing. Our commitment to quality is supported by certifications such as CE, TS/16949, and ISO9001, along with advanced manufacturing equipment and a robust quality control team.
We invite partners and customers to visit us and explore opportunities for mutually beneficial, long-term cooperation. Currently, we export our products to valued customers in over 50 countries across five continents. With a focus on providing best-in-class products, FMP aims to expand its global presence in the industries we serve.
Author: CX
