Koppelbegrenzer

Koppelbegrenzer, often translated as torque limiter or overload coupling, is a mechanical device designed to protect machinery from damage due to excessive torque. It acts as a safety feature by intentionally weakening at a predetermined torque limit. When this limit is exceeded, the koppellbegrenzer disengages, interrupting the power transmission between the driving and driven components. This prevents catastrophic failure of the driven equipment, shafts, or motors, thereby reducing repair costs and downtime.

There are various types of koppellbegrenzer, including friction-based, shear-pin, and ball-detent designs. Friction-based limiters utilize friction plates to transmit torque, slipping when a set pressure is overcome. Shear-pin limiters employ a pin designed to break when the torque exceeds a specific value, requiring replacement of the pin to re-engage the system. Ball-detent limiters use spring-loaded balls that disengage from detents under excessive load.

The selection of a koppellbegrenzer depends on factors such as the required torque capacity, operating speed, environmental conditions, and the desired reset mechanism. Some limiters are self-resetting, while others require manual intervention. They are commonly found in industrial applications like conveyor belts, pumps, agricultural machinery, and robotics, where unpredictable load fluctuations can occur. By safeguarding against overloads, koppellbegrenzers play a crucial role in enhancing operational safety and the longevity of mechanical systems.