4SB.B 40hp 27*74.6 joint shear bolt Spline Yoke agricultural machinery

Description

We are proud to present the 4SB.B 40hp 27*74.6 Joint Shear Bolt Spline Yoke, a premium agricultural spare part that is essential for a range of agricultural machinery and equipment. This high-quality component is ISO and CE certified, ensuring it meets rigorous industry standards for safety and performance.

Crafted from robust 45C material, this shear bolt spline yoke is designed to deliver exceptional performance and durability. It comes with a 1-year warranty, providing peace of mind regarding its reliability and longevity. Weighing in at 2.3 KG and featuring a vibrant yellow color, this yoke not only meets functional demands but also enhances the aesthetic appeal of your machinery, making it a standout component in any agricultural setup.

Advantages of the Shear Bolt Torque Limiter

The shear bolt torque limiter is a straightforward yet effective mechanical device specifically designed to safeguard agricultural machinery from torque overload. Here are some of the key advantages of utilizing a shear bolt torque limiter:

  • Overload Protection:
    The primary purpose of a shear bolt torque limiter is to shield the tractor and its attached implements from potential damage. The design includes a shear bolt that is engineered to break when excessive torque is detected, effectively disconnecting power transfer and preventing harm to both the driveline and the machinery.
  • Ease of Maintenance:
    The simplicity of the shear bolt design means that it requires minimal maintenance. Typically, all that is needed is to check and replace the shear bolt as necessary, making it a low-maintenance solution for operators.
  • Ease of Installation:
    Installing and replacing shear bolts is a straightforward process that can usually be completed quickly, often without the need for specialized tools. This convenience allows for rapid adjustments in the field.
  • Immediate Response to Overload:
    In situations where torque overload occurs, the shear bolt breaks instantly, providing immediate disconnection of the power transfer. This rapid response is crucial for preventing further mechanical failures and potential downtime.
  • Wide Application Range:
    Shear bolt torque limiters are versatile components that can be utilized with a variety of agricultural implements, making them integral parts of numerous farming operations.

Applications of the Shear Bolt Torque Limiter

The shear bolt torque limiter serves as a vital safety device in agricultural machinery, specifically designed to protect equipment from torque overload. This simple yet effective mechanism is applied in various scenarios where sudden increases in load or blockages could lead to significant damage. Here are some common applications of shear bolt torque limiters in agriculture:

  • Harvesting Machinery:
    In harvesting equipment such as combines and forage harvesters, shear bolt torque limiters help prevent damage during heavy or obstructed harvesting operations, ensuring smooth and efficient harvesting.
  • Tillage Equipment:
    These limiters are essential in plows, harrows, and cultivators, providing protection against damage when encountering hidden obstacles like large stones or hard soil clumps.
  • Rotary Cutters and Mowers:
    Shear bolt torque limiters protect rotary cutters and mowers from damage when they encounter obstructions such as rocks or dense roots, safeguarding both the blades and the drive mechanisms.
  • Balers:
    In balers, particularly round balers, shear bolt torque limiters ensure that the machinery does not become overloaded while processing large quantities of crop material, thus preventing mechanical failures.
  • Seeders and Planters:
    These limiters are crucial for seed drills and planters, protecting them against damage caused by clogs or excessive resistance when planting in challenging soil conditions.
  • Manure Spreaders:
    In manure spreaders, shear bolt torque limiters are vital for protecting the driveline against torque overload when spreading manure of varying densities.

Overall, the 4SB.B 40hp Joint Shear Bolt Spline Yoke and its associated shear bolt torque limiter are indispensable components in modern agricultural machinery, designed to enhance performance, protect equipment, and ensure efficient operations across various farming applications.

Shear Bolt Torque Limiter Applications

Agricultural PTO Shaft Torque Limiter Types

In the realm of agricultural machinery, PTO (Power Take-Off) shaft torque limiters are essential components that protect equipment from damage caused by torque overload. These limiters play a vital role in ensuring the longevity and reliability of both the tractor and the attached implements. Various types of PTO shaft torque limiters are designed to meet specific operational requirements and specifications. Below is an overview of the most common types:

1. Shear Bolt Torque Limiter

The Shear Bolt Torque Limiter is a straightforward yet effective solution that employs a shear bolt as its primary mechanism. When excessive torque is detected, the shear bolt is designed to break, thereby disconnecting the drive between the tractor and the implement. This type of limiter is widely used across various agricultural implements, such as plows and seeders. It is particularly ideal for situations where overload conditions are easily identifiable and detectable, providing a simple method for protecting both the tractor and the implement from potential damage.

2. Friction Clutch Torque Limiter

The Friction Clutch Torque Limiter operates by slipping when the torque exceeds a predetermined threshold. This design allows it to absorb excess force without sustaining damage, making it particularly useful in applications where gradual overloads may occur. This type of limiter is beneficial in scenarios where frequent replacement of shear bolts would be undesirable, such as in rotary tillers or other equipment subject to varying loads. By utilizing a friction-based mechanism, this limiter enhances operational efficiency while reducing maintenance downtime.

3. Ratchet Torque Limiter

The Ratchet Torque Limiter features a specialized ratcheting mechanism that permits rotation in one direction while locking or slipping in the opposite direction when an overload condition arises. This functionality is crucial for implements like augers, which require consistent unidirectional operation. By preventing reverse motion during overload situations, the ratchet torque limiter safeguards the machinery from potential damage while ensuring reliable performance in demanding agricultural tasks.

4. Overrunning Clutch Torque Limiter

The Overrunning Clutch Torque Limiter is designed to allow free rotation in one direction while engaging the clutch in the opposite direction. This mechanism can also include a torque-limiting feature that disconnects the drive when overload conditions are detected. Overrunning clutches are commonly used in mowers and rotary cutters, enabling the implement to overrun when the tractor slows down. This feature not only protects the PTO system from damage but also enhances the efficiency of the cutting process, allowing for smoother operation.

Each type of PTO shaft torque limiter offers unique benefits tailored to specific agricultural applications. By understanding the various options available, operators and manufacturers can choose the appropriate torque limiter to enhance the performance, reliability, and safety of their agricultural machinery. These devices play a crucial role in minimizing equipment damage and ensuring efficient operation in the field, ultimately contributing to improved productivity in agricultural practices.

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PTO Shaft Torque Limiter Types

How Does the Shear Bolt Torque Limiter Work?

A shear bolt torque limiter for a PTO (Power Take-Off) shaft is a straightforward yet highly effective mechanical device designed to protect agricultural machinery from the detrimental effects of torque overload. Understanding its operation is crucial for appreciating its role in ensuring the longevity and reliability of agricultural equipment. Here’s a detailed look at how it works:

1. Normal Operation

During standard operation, the shear bolt serves as a critical connection between the PTO shaft and the implement, which could be equipment like a mower, baler, or tiller. In this state, the shear bolt is robust enough to transmit the required torque generated by the tractor to the implement without any issues. It effectively holds the components securely together, allowing the machinery to function efficiently under normal load conditions.

2. Torque Overload Detection

The design of the shear bolt includes a specific breaking point, which is essential for its protective function. When the torque transmitted through the PTO shaft exceeds the safe operating limits—this can happen due to various factors such as an obstruction in the machinery, an overload condition from too much material being processed, or other mechanical malfunctions—the force exerted can surpass the shear strength of the bolt. This built-in safety feature is what allows the system to detect potentially harmful conditions before they lead to significant damage.

3. Activation

Once the torque reaches the predetermined threshold, the shear bolt will break or shear off. This breakage is a mechanical response designed to occur precisely at the moment the overload is detected. This action is crucial as it acts as a protective mechanism, preventing further stress on the PTO shaft and the connected implement. The shear bolt’s ability to break under excessive torque is what makes it an effective safety device.

4. Disengagement

The breaking of the shear bolt results in the immediate disconnection of the drive from the tractor to the implement. This rapid disengagement stops the transfer of excessive torque almost instantaneously, safeguarding both the tractor’s PTO system and the implement from potential damage. By interrupting the power flow, the shear bolt torque limiter prevents the risk of mechanical failures that could lead to costly repairs and downtime.

In summary, the shear bolt torque limiter is an essential safety feature in agricultural machinery, providing a reliable means of protecting equipment from overloads. Its simple yet effective design ensures that operators can work with confidence, knowing that their machinery is equipped to handle unexpected challenges without incurring damage.

How Does the Shear Bolt Torque Limiter Work

PTO Shaft Shear Bolt Torque Limiters Troubleshooting

Troubleshooting issues with PTO (Power Take-Off) Shaft Shear Bolt Torque Limiters is crucial for maintaining both the functionality and safety of your agricultural machinery. Addressing these problems promptly can prevent costly repairs and ensure efficient operation. Below are some common issues that may arise with shear bolt torque limiters, along with their potential causes and solutions:

1. Frequent Shearing of the Bolt

  • Causes:
    Frequent shearing of the bolt may indicate excessive load being applied to the implement, or it could stem from improper use of the equipment. Additionally, using an incorrect bolt size or grade that does not align with the manufacturer’s specifications can contribute to this issue.
  • Solutions:
    To resolve this problem, ensure that the implement is used in accordance with the guidelines provided by the manufacturer. It is also essential to replace the shear bolt with one that matches the exact specifications, including size, grade, and shear strength as recommended. Regular training on proper usage for operators can also help mitigate this issue.

2. Bolt Not Shearing When Expected

  • Causes:
    If the bolt fails to shear when it should, the problem might be due to using a bolt that is too strong or of a higher grade than necessary. Alternatively, the implement may not be experiencing sufficient load to reach the shear point, rendering the bolt ineffective in its protective role.
  • Solutions:
    Verify that the correct shear bolt is being used by checking the specifications against the manufacturer’s recommendations. Additionally, assess whether the implement is being operated under suitable conditions, ensuring it encounters the necessary loads to activate the shear mechanism.

3. Difficulty in Removing Sheared Bolt

  • Causes:
    Difficulty in removing a sheared bolt can occur due to corrosion or rust causing the bolt to seize in place. Furthermore, if the bolt has sheared off in a manner that makes it hard to grip, this can complicate removal efforts.
  • Solutions:
    To facilitate the removal of a sheared bolt, apply penetrating oil to the remnants and allow it to soak for a sufficient period to help loosen any rust or corrosion. Using appropriate tools, such as vise grips or bolt extractors, can aid in extracting the broken bolt without causing further damage to the surrounding components.

4. Uneven Wear or Damage to the Limiter

  • Causes:
    Continuous operation under high stress can lead to uneven wear or damage to the torque limiter. Additionally, a lack of regular maintenance or improper installation practices can exacerbate this issue, leading to premature failure of the limiter.
  • Solutions:
    Conduct regular inspections of the torque limiter to check for signs of wear or damage. Replace any worn parts as necessary to maintain optimal performance. Furthermore, ensure that both the torque limiter and the shear bolt are installed correctly according to the manufacturer’s guidelines, which can help prevent future issues.

Regular troubleshooting and maintenance of PTO shaft shear bolt torque limiters are essential for the longevity and efficiency of agricultural machinery. By understanding the common problems and their solutions, operators can ensure that their equipment operates safely and effectively, reducing the risk of mechanical failure and enhancing overall productivity in the field.

 

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Maintenance of Shear Bolt Torque Limiter

Maintaining a shear bolt torque limiter in agricultural machinery is essential for ensuring both safety and the prevention of mechanical damage. A well-maintained torque limiter functions correctly when needed, providing reliable protection against torque overload. Here are the key maintenance steps to follow for optimal performance of a shear bolt torque limiter:

1. Regular Inspection

Conducting regular inspections of the torque limiter is crucial. Check for any signs of wear, corrosion, or damage. Pay particular attention to the condition of the shear bolt and its housing. Inspect the shear bolt for signs of premature wear, bending, or deformation, as these issues may indicate the use of an incorrect bolt or excessive loads being placed on the machinery. Regular inspections help identify potential problems before they lead to failure.

2. Correct Shear Bolt Replacement

Always use shear bolts that match the manufacturer’s specifications regarding size, length, grade, and shear strength. Using incorrect bolts can compromise the protective function of the torque limiter and may lead to mechanical failures. It is prudent to keep a supply of spare shear bolts on hand for quick replacements. After a shear bolt breaks—an indication that it has performed its job effectively—it is essential to replace it before using the equipment again. This practice helps maintain the integrity of the machinery.

3. Proper Installation of Shear Bolts

When installing a new shear bolt, it is vital to tighten it to the torque specifications provided by the manufacturer. Over-tightening the bolt can increase the force required for it to shear, which compromises its protective function, while under-tightening may lead to premature shearing. Ensure that the bolt is properly aligned and seated in its housing to avoid any misalignments that could affect performance. Proper installation is key to ensuring that the torque limiter operates as intended.

4. Cleaning and Lubrication

Maintaining cleanliness around the torque limiter is important. Keep the area free from dirt, debris, and rust, as accumulated grime can interfere with the function of moving parts. Some torque limiters may have components that require lubrication to ensure smooth operation. Regularly clean the torque limiter and apply lubrication where necessary, following the manufacturer’s recommendations. This maintenance step helps to prolong the life of the components and enhances overall functionality.

Regular maintenance of shear bolt torque limiters is vital for the safe and efficient operation of agricultural machinery. By following these key maintenance steps—conducting inspections, using correct replacement parts, ensuring proper installation, and maintaining cleanliness and lubrication—operators can significantly reduce the risk of mechanical failures and enhance the reliability of their equipment. This proactive approach not only protects machinery investments but also contributes to safer working conditions in agricultural operations.

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Why Choose FMP’s Shear Bolt Torque Limiter for PTO Shaft?

FMP Drive Shaft Co., Ltd. is strategically located in Hangzhou, Zhejiang City, just two hours from Pudong Airport and one hour from Xiaoshan Airport, making it easily accessible for both domestic and international clients. Our facility spans over 12,000 square meters and is staffed by a dedicated team of over 100 professionals. We specialize in the development, manufacturing, and marketing of a comprehensive range of products, including PTO shafts, agricultural gearboxes, PTO shaft accessories, u-joints, torque limiters, PTO shaft tubes, yokes, adaptors, and industrial cardan shafts.

With an impressive annual turnover of 60 million RMB (approximately 9 million USD), our business continues to grow year after year. Our products have earned a stellar reputation among customers in Europe, America, Asia, Australia, and North America. We proudly serve as a leading OEM supplier for numerous agricultural implement manufacturers within the domestic market.

Commitment to Quality and Service

At FMP, we adhere to our core principles: Quality First, Fast Delivery, and Competitive Pricing. Our commitment to quality is underscored by our certifications, including CE, TS/16949, and ISO9001. We utilize systematic manufacturing equipment and have a dedicated quality control (QC) team to ensure that every product meets the highest standards of excellence. This rigorous quality assurance process guarantees not only the reliability of our shear bolt torque limiters but also their effectiveness in protecting your agricultural machinery from torque overload.

Building Long-Term Relationships

We warmly invite friends and partners from around the world to visit our facilities and explore potential collaborations. At FMP, we believe in establishing mutually beneficial, long-term relationships that drive success for all parties involved. Our willingness to engage with clients, understand their needs, and provide tailored solutions sets us apart in the industry.

Choosing FMP’s shear bolt torque limiter for your PTO shaft means investing in a high-quality, reliable product supported by a reputable company with a proven track record. With our emphasis on quality, customer service, and innovative solutions, we are well-equipped to meet the demands of modern agricultural operations. Let us be your trusted partner in enhancing the performance and safety of your machinery.

PTO Shaft Tubing

Author: CX