Mechanical Friction Torque Limiters

Mach III friction torque limiters, also known as slip clutches, are designed to transmit a fixed amount of torque from one machine component to another until an overload is experienced. A torque setting is established by compressing the adjustment nut to the desired torque output, then fixing it in place with the provided set screw(s). This can be set and adjusted in the field, or pre-set at Mach III before shipment. When the unit experiences torque in excess of the set value, the friction torque limiter slips until the overload ceases.

IMPORTANT: Mach III friction torque limiters do not disengage upon overload. A means of sensing and stopping the overload condition must be in place or a friction torque limiter will continue to slip, eventually overheating to the point where it is unfit for continued use.

For information about the application and use of friction torque limiters View The Guide >

Mechanical Friction Torque Limiter - NEMA Frame

Mechanical Friction Torque Limiter – NEMA Frame

Function: Overload Protection
Drive Arrangement: Motor to Gear Reducer (Gear Box)

  • Torque limiter input is bored and keyed to connect to a NEMA frame motor.
  • Torque limiter output shaft with key connects to a NEMA frame gear reducer.
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Mechanical Friction Torque Limiter - Through Shaft

Mechanical Friction Torque Limiter – Through Shaft

Function: Overload Protection
Drive Arrangement: Shaft to Pilot Mounted Component or Pilot Mounted Component to Shaft

  • Torque limiter is through bored and keyed for connection to a shaft in any axial location.
  • A sprocket, pulley or v-belt sheave can be mounted on the torque limiter pilot.
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Flexible Mechanical Friction Torque Limiter Coupling

Flexible Mechanical Friction Torque Limiter Coupling

Function: Overload Protection
Drive Arrangement: Shaft to Shaft, Slight Angular Misalignment and/or Parallel Offset

  • Torque limiter mechanism is through bored and keyed to connect to a fully supported shaft.
  • Coupling is bored and keyed to connect to a fully supported shaft.
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Mechanical Friction Torque Limiter Mechanisms with Couplings

Mechanical Friction Torque Limiter Mechanisms with Couplings

Function: Overload Protection
Drive Arrangement: Shaft to Shaft, No Angular Misalignment and/or Parallel Offset

  • Torque limiter mechanism is through bored and keyed to connect to a fully supported shaft.
  • Coupling is bored and keyed to connect to a fully supported shaft.
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Mechanical Friction Torque Limiter Mechanisms with Adapters

Mechanical Friction Torque Limiter Mechanisms with Adapters

Function: Overload Protection
Drive Arrangement: Shaft to Adapter Mounted Component

  • Torque limiter mechanism is through bored and keyed to connect to a fully supported shaft.
  • Adapter connects to a bearing mounted pulley, gear or other component.
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