Friction Torque Limiter for PTO Shaft in Farm Machines

Clutches, also referred to as friction torque limiters, are designed to be used with power take-off (PTO) shafts in farming machinery and equipment. They are brand new products that feature a notable 1-year warranty, making them a reliable choice for farms, construction work, energy, and mining industries. Weighing only 5 KG, these friction torque limiters are easy to handle and install.

Advantages of Friction Torque Limiter for PTO Shaft

A Friction Torque Limiter for a Power Take-Off (PTO) shaft in agricultural and industrial machinery offers several significant advantages. Here are the key advantages:

1. Equipment Protection: By limiting the maximum amount of torque transmitted to the attached implement, friction torque limiters prevent mechanical overload, which can cause severe damage to both the tractor and the implement.
2. Improved Safety: By reducing the risk of sudden mechanical failures, friction torque limiters contribute to a safer operating environment, which is especially important in high-powered agricultural settings.
3. Ease of Maintenance: Friction torque limiters are relatively easy to adjust to the desired torque settings and typically have straightforward maintenance procedures, making them user-friendly.
4. Versatility: These friction torque limiters can be used with a variety of implements, making them versatile components of machinery. They are particularly useful in applications where variable loads can cause torque spikes.
5. Customizable Torque Settings: The friction torque limiter can be adjusted according to specific task requirements, allowing for customization based on the implement used or the nature of the work.
6. Extended Equipment Lifespan: By mitigating excessive torque and preventing overload situations, these friction torque limiters extend the lifespan of both the PTO shaft and the attached equipment.

Applications of Friction Torque Limiter for PTO Shaft

Friction torque limiters are essential safety devices in agricultural machinery, designed to protect equipment by limiting the torque transmitted from the tractor to the implement. Here are some key applications of friction torque limiters in agriculture:

1. Rotary Cutters and Mowers: Protects the gearboxes and blades of rotary cutters and mowers when they encounter obstacles like rocks or thick brush.
2. Balers: Ensures that balers, particularly round balers, don't get overloaded when processing large amounts of material, which can cause jams or mechanical failures.

3. Tillage Equipment: Used in plows, harrows, and cultivators to prevent damage from striking hard, unyielding objects or overly compacted soil.
4. Seeders and Planters: Protects seeders and planters from damage due to clogs or when encountering rough terrain, ensuring consistent operation and seed placement.
5. Harvesting Equipment: In combines and forage harvesters, friction torque limiters protect the driveline from damage due to overloading during intense harvesting operations.
6. Feed Mixers and Manure Spreaders: Friction torque limiters help prevent torque overload in the drivelines of feed mixers and manure spreaders, which can occur with uneven loads or blockages.

PTO Shaft Torque Limiter Types

Agricultural Power Take-Off (PTO) shaft torque limiters are crucial safety devices designed to protect tractors and implements from damage caused by torque overload. Here??s an overview of the common types:

1. Friction Torque Limiters: Operate based on friction between contact surfaces. When the preset torque limit is exceeded, the device slips, preventing the transfer of excessive torque.
2. Shear Bolt Torque Limiters: Use a shear bolt that breaks when the torque exceeds a specific threshold, disconnecting the drive between the tractor and the implement.
3. Ratchet Torque Limiters: Utilize a ratcheting mechanism that allows rotation in one direction and locks or slips in the opposite direction when overloaded.
4. Overrunning Clutch Torque Limiters: Allow free rotation in one direction and lock in the opposite direction. They also limit torque by slipping or disengaging when overloaded.

How Does Friction Torque Limiter for Agricultural Work?

A friction torque limiter, particularly for agricultural applications, is a crucial safety and protection device designed to prevent damage from torque overload in machinery like tractors and various implements. Here's an overview of how it works:

1. Torque Transmission: Under normal operation, the torque from the tractor's PTO is transmitted through the friction plates of the limiter to the implement.
2. Setting the Torque Limit: The amount of torque that can be transmitted is directly related to the amount of pressure that the springs apply to the friction plates.
3. Activation During Overload: If the torque exceeds the set limit, the friction between the plates becomes insufficient to continue transmitting the full torque. As a result, the plates start to slip relative to each other.
4. Slippage and Protection: This slippage action effectively limits the torque transmitted to the implement, protecting both the tractor's PTO system and the implement from damage due to overloading.
5. Automatic Resetting: Once the overload condition is removed or resolved, the friction torque limiter automatically returns to its normal operation, transmitting the regular amount of torque without the need for manual resetting.

How to Install Friction Torque Limiter on Agricultural Equipment?

Installing a friction torque limiter on agricultural equipment, particularly on a Power Take-Off (PTO) shaft, is a crucial task to ensure machinery protection against torque overload. Here's a general guide on how to install a friction torque limiter:

1. Disconnect Power: Ensure the tractor or equipment is turned off and the PTO is disengaged. Remove the key from the tractor. Make sure the implement is properly supported and stable.
2. Remove the Existing Equipment: If replacing an existing torque limiter or coupling, first remove it by disconnecting it from the PTO shaft and the implement.
3. Prepare the Friction Torque Limiter: Unpack the new torque limiter and check for any shipping locks or braces that need to be removed. Apply lubricant if required.
4. Install the Torque Limiter: Align the torque limiter with the PTO shaft. Connect the torque limiter to the PTO shaft, ensuring that any splines or keys align properly.
5. Adjust the Torque Settings: Adjust the torque settings according to the manufacturer??s specifications and your particular requirements.
6. Test the Installation: Once installed, rotate the PTO shaft by hand to ensure that the limiter is moving freely and is properly aligned. Start the tractor and engage the PTO at a low speed to test the operation.

Maintenance and Care of a Friction Torque Limiter

Maintaining and caring for a Friction Torque Limiter on a Power Take-Off (PTO) shaft is essential to ensure its effective operation and longevity. Here??s a comprehensive guide to maintaining and caring for your friction torque limiter:

1. Regular Inspection: Regularly inspect the friction surfaces for wear. Excessive wear can reduce the effectiveness of the torque limiter.
2. Lubrication: Some friction torque limiters may require periodic lubrication of their bearings. Ensure you use the correct type of grease or lubricant as specified by the manufacturer.

3. Adjustment and Calibration: Regularly check and adjust the torque settings according to the manufacturer's specifications.
4. Cleaning: Keep the torque limiter clean from dirt, grime, and crop residue. Build-up can impede its operation and lead to premature wear.
5. Avoid Overloading: Do not intentionally overload the PTO shaft beyond the limiter??s capacity, as this can cause excessive wear or failure.

Why Choose Raydafon's PTO Shaft Friction Torque Limiter?

Raydafon Drive Shaft Co., Ltd., located in Ningbo Zhejiang City, two hours to the Pudong Airport and one hour to the Xiaoshan Airport & the East of Ningbo Station, Covered more than 12,000 m2 with over 100 people on staff. Raydafon specializes in developing, manufacturing, and marketing PTO shafts, agricultural gearboxes, PTO shaft accessories, PTO shaft u-joints, PTO shaft torque limiters, PTO shaft tubes, PTO shaft yokes, PTO shaft adaptors, industrial cardan shafts, car driveshafts, u-joint coupling shafts, etc. Raydafon Driveshaft insists on our principles: Quality first, Deliver quickly, and Price Competitive. We already have the CE, TS/16949, and ISO9001 certificates with systematic manufacturing types of equipment and a QC team to guarantee our quality and delivery. We warmly welcome every friend to visit us and establish a mutually beneficial long-term relationship cooperation. Currently, our company exports its products to its valued customers in more than 50 countries in 5 continents of the world. Having the best-in-class brands in its product range, Raydafon continues its activities with the aim of becoming a global company in the fields it works.

With Raydafon, you are guaranteed professionalism, international certifications, customized services, state-of-the-art production facilities, and excellent after-sales services. We ensure the highest quality products, timely delivery, and competitive pricing, making us your ideal partner in the industry.

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