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R+W Antriebselemente GmbH

R+W - ESL TORQUE LIMITER

Description

For over 30 years, R+W Antriebselemente GmbH has been manufacturing couplings, torque limiters and shaft lines for the whole world from 0.05 Nm to 2000 kNm that could meet your needs. In addition to a wide range of products, we can also offer you special couplings totally adapted to your applications.

FOR GUARANTEED SAFETY IN THE EVENT OF OVERLOAD: TORQUE LIMITERS FROM R+W

Many factors can cause overloads. Torque limiters from R+W guarantee a quick and reliable separation between drive and output side when a predefined torque is exceeded.

THE TECHNICAL BASIS: THE PRINCIPLE OF ENGAGEMENT OF THE R+W TORQUE LIMITER BALL

Mechanical torque limiters from R+W operate according to the spring-loaded ball engagement principle and serve as the ultimate emergency stopping elements of machines. Characteristic of the torque limiter operating mode: the high rigidity of the elements and the complete absence of play. If the torque exceeds the defined threshold, the balls engage and separate the drive side from the output side.

Technical details

  • Structure :
    • Two coupling hubs manufactured with high concentricity, with concave shaped feed dogs.
    • The torque limiter is integrated into one side.
    • Optional elastomer insert, in execution A or B.
  • Temperature range: depending on the elastomer insert chosen.
  • Torsional stiffness: In order to optimize the drive unit, we offer different Shore hardnesses for the elastomer inserts.
  • Tolerance clearance: of the shaft-hub connection 0.01 - 0.05 mm.
  • Material :
    • Safety element: high-strength engagement balls in hardened steel
    • Coupling hubs: high strength aluminum
    • Elastomer insert: precisely manufactured plastic, extremely wear-resistant
  • Rotation speeds: negligible wear with disengagement up to 200 rpm Higher rotation speeds: interrogation by limit switch Consultation with the manufacturer is required.
  • Technical characteristics :
    • Rated torque: 9 - 200 Nm
    • Shaft diameter from 6 to 45 mm
  • Properties of the torque limiter, ESL model:
    • Backlash-free execution thanks to proven R+W principle
    • Fast cut-off, on the order of a thousandth of a second
    • The torque of the limiter is infinitely adjustable
    • Exact torque limitation
    • Compact torque limiter
    • Electrical insulation
    • Plug-in coupling

Administrative documents
R+W - L'ACCOUPLEMENT.pdf
R+W Antriebselemente GmbH
 Machining and material removal
Description
For more than 30 years, R+W Antriebselemente GmbH has been manufacturing for the whole world couplings, torque limiters and shaft lines ranging from 0.05 Nm to 2000 kNm that could meet your needs. In addition to a wide range of products, we can also offer you special couplings that are completely tailored to your applications. On the occasion of...
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