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Automatic Clutch Torque Limiter for PTO Drive Shaft

The automatic clutch interrupts power transmission when the torque exceeds the set value. To automatically reengage the device, slow down or stop the PTO. This torque limiter is sealed and requires no additional lubrication.

Max torque: 1200nm-4500nm

Automatic Clutch Torque Limiter for PTO Drive Shaft

The automatic clutch interrupts power transmission when the torque exceeds the set value. To automatically re-engage the device, slow down or stop the PTO. This torque limiter is sealed and requires no additional lubrication.

Automatic Clutch

The Automatic Clutch Torque Limiter is a radial cam type that operates in one direction of rotation only (a reverse version is also available), ensuring that torque is transmitted to a calibrated value preset by a set of springs. After intervention, the Automatic Clutch Limiter disconnects the power transmission and cancels the transmitted torque to less than the residual pulsating torque required for continuous reset. After eliminating the cause of the spillage, the reset will be performed automatically when the transmission speed drops to a minimum value sufficient for the purpose. The calibration torque value is preset at the factory and can be changed by the user after replacing the spring assembly.

Overheating and vibration during intervention is also reduced due to minimized residual torque. The compact design, low weight, use of plain bearings and high-quality materials allow the machine to be used even at speeds exceeding 1000 rpm. The hardened slotted profiles comply with standards. Special designs are available on request.

SC Series Automatic Torque Limiter Specification

Automatic Clutch

Automatic Clutch

  1. Outer housing + yoke
  2. Bushing
  3. Spring pack
  4. Hub with taper pin and bushings
  5. Bushing
  6. Sealing ring
  7. O-ring
  8. Locking plate
  9. Snap ring
  10. Bushing(Qty=4)
  11. Cam(Qty=4)
  12. Taper pin(with nuts)

SCF Series Automatic Torque Limiter Specification

Automatic ClutchAutomatic Clutch

  1. Outer housing + yoke
  2. Bushing
  3. Spring pack
  4. Hub with taper pin and bushings
  5. Bushing
  6. Sealing ring
  7. O-ring
  8. Locking plate
  9. Snap ring
  10. Bushing(Qty=4)
  11. Cam(Qty=4)
  12. Taper pin(with nuts)

Benefits of Automatic Clutch Torque Limiter

One of the biggest advantages of automatic clutch torque limiters is that they protect against overload. They work in a similar way to a 1:1 transmission when the torque is less than a predetermined value. Once the torque exceeds the limit, the limiter acts as a clutch and removes inertial energy from the drive train. They operate in milliseconds, making them suitable for a wide range of applications, including conveyors, assembly lines, textile machinery, and printing machines.

This torque limiter is usually made from hardened steel and is backlash-free. It features additional springs for adjusting the limit. It is available in several models, including pneumatic, hydraulic, and mechanical. It can be installed in a variety of positions, depending on the torque limiter's purpose. During normal use, it does not need to be adjusted. During a malfunction, the user can simply disconnect the auger to restore PTO functionality.

One of the advantages of the automatic clutch torque limiters for PTO tractor drive shaft is that they don't waste any energy, allowing you to tow the vehicle. Without this technology, towing would be impossible. Besides, a PTO automatic clutch torque limiter is more durable than a manual limiter.

Another major benefit of a PTO automatic clutch torque limiter is that it offers a safety measure if a PTO-driven implement jams. A small farm tractor can give up when running at 3800 RPM, and if it suddenly stops, the PTO shaft can also fail. The torque limiting device is the first line of defense against such catastrophic failures, and this slip clutch device eliminates the need to change pins.

Automatic Clutch Torque Limiter

Additional information

Edited

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Product Quick Detail:

  • Standard and non-standard available
  • With high quality and competitive price
  • Prompt delivery
  • Packing as per customer’s demand.

We promise will offer the best price by the high quality in china! We also accept special order about the products. If you are interested in our products. Please do not hesitate to let us know.We are pleased to give you the detailed information.We promise that our products would be safety and were in high quality and reasonable price. If you are interested in our products, please contact us asap.We are sincerely looking for your cooperation.

Most of our products are exported to Europe or Americas, both standard and nonstandard products available. We can produce as per your drawing or sample. Material can be standard or as per your special request. If you choose us, you choose reliable.

pruduct quality report

Materials Available

1. Stainless Steel: SS201, SS303, SS304, SS316, SS416, SS420
2. Steel:C45(K1045), C46(K1046),C20
3. Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200(CuZn37), C28000(CuZn40)
4. Bronze: C51000, C52100, C54400, etc
5. Iron: 1213, 12L14,1215
6. Aluminum: Al6061, Al6063
7.OEM according to your request
product materials available

Surface Treatment

Annealing, natural canonization, heat treatment, polishing, nickel plating, chrome plating, zinc plating,yellow passivization, gold passivization, satin, Black surface painted etc.

Processing Method

CNC machining, punch,turning, milling, drilling, grinding, broaching, welding and assembly
product finishing

QC & Certificate

Technicians self-check in production,final-check before package by professional Quality inspector
ISO9001:2008 , ISO14001:2001,ISO/TS 16949:2009

Package & Lead Time

Size: Drawings
Wooden Case/Container and pallet, or as per customized specifications.
15-25days samples. 30-45days offcial order
Port: Shanghai/Ningbo port
product packages