Protection from potential damage to a mechanical system caused by torque overload can be critical in some applications. In some applications torque is monitored by the closed loop driver programming within the servo motor performance profile. However, some applications require a more simple mechanical solution.
Offering two types of innovative overload protection device, the "Torque Tender" devices reliably detect overloads and isolate input and output by essentially removing and disconnecting the drive at a set torque figure. Once the overload is resolved, operation can continue automatically at the same torque from the same indexing position. Torque is set using a built-in torque spring, so there is no time consuming fine-tuning. With a maximum rotation speed of 1800rpm, the torque limiters have the added advantage of also serving as a flexible coupling, allowing up to 0.5 degrees of angular misalignment and 0.2mm of parallel offset under operation.
The TT01 series allows the near butting of the drive and driven shaft within the actual body of the device, so that no extra length is required for mounting within the mechanical system. Torque protection can reliably set from 0.2Nm to 200Nm through shaft sizes of 8mm to 50mm.
The TT03 series is often used in combination with a pulley, sprocket, or gear to the outside of the housing and is termed the “winding type”. By mounting the pulley, sprocket, or gear to the outside of the housing the driven shaft is secured at the centre of the torque protector, so in affect can be attached even when used as a through shaft. Torque protection can reliably set from 0.2Nm to 200Nm through shaft sizes of 8mm to 45mm.
More product information can be found here
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