R + W is expanding its model range of heavy-duty safety couplings with positive keyway connection ST1 the series 2 and 5. The TÜV-tested safety couplings are available now starting at 200 Nm and with bore diameters from 30 mm. The compact series is based on a built-in storage for a direct crops such as sprockets, timing belt pulleys or drive shafts.
With the spring-loaded ball catch principle and the free-switching mode of operation, the couplings guarantee precise torque limitation and switching times in the millisecond range. This reduces application damage as well as downtimes in the event of a crash and increases the availability or production capacity of the system. The re-engagement of the clutch is done simply by axial pressure on the switch plunger. The respective transmittable torque is infinitely adjustable and can be determined inter alia by the number of retrofittable switching segments.
An additional seal of the coupling also prevents the ingress of dust and dirt and the escape of grease. The extremely robust and maintenance-free drive elements are used, for example, in extruders, wastewater treatment plants or steel mills.