06/08/2006 • Automation • Drive Tech

Torque Limiter ECE in a very flat design

Mechanical Torque Limiters are used in all kinds of technical application areas. There job is the protection of the products, expensive devices and the protection of persons in automated machineries.
Torque Limiters react very sensitive to the smallest increase of torque and disconnect the drive from the following masses in a split second. That’s why they are also called “Safety Couplings”. The disconnection is forced, that means it has no effect on the function in case of a electrical power outage. A reason for a torque overload is for example the accumulation of material. That’s why torque limiters are also called overload clutches.

The special thing about the Type ECE is the axial short design, which a small installation space required. This simple and robust functional principle has thousandfold proved itself. It has a reliable function and still needs just few parts.
High-precision torque limitation is guaranteed with the use of special disc springs. And also a very wide torque range without changing the disc spring.
The perfected functional principle cuts the torque between the engine and the machine within few angle degrees. The couplings have a fixed point switching. That means one switching point per turn. That is important to retain the reference point of the machine.
To stop the drive immediately in case of an overload, it is advisable to place a proximity switch to the disc spring. The disc spring moves while the torque limiter is disconnecting the drive from the machine. The signal from the proximity switch can be used for the drive control to stop the engine immediately.
The Type ECE has a keyway for the torque transmission between engine and the torque limiter. Chain wheels, belt pulleys etc. are mounted on the engine shaft and are screwed on the flange ring of the ECE for the torque transmission.
The Torque Limiter ECE is available in 13 sizes, and torque ranges from 1,2 to 2000 Nm are available.

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ENEMAC GmbH

Daimler Ring 42
63839 Kleinwallstadt

Phone: +49 (0) 6022/7107-0
Fax: +49 (0) 6022/22237