VTD Torque limiting knob

Technopolymer
 
 

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Technical specifications

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Main specifications

Knob body

Glass-fibre reinforced polyamide based (PA) technopolymer, black colour, matte finish.

Centre cap

Polyamide-based (PA) technopolymer, RAL 7035 grey colour, matte finish.

Torque limiting mechanism

Hardened steel.

Standard executions

Zinc-plated steel boss with threaded blind hole.

  • VTD-AZ-2: maximum torque 2Nm.
  • VTD-AZ-3: maximum torque 3Nm.
  • VTD-AZ-4: maximum torque 4Nm.
  • VTD-AZ-6: maximum torque 6Nm.
General information

Features and applications

VTD knob is used when the applied tightening torque must not exceed a certain value.

The transmission of the torque from the knob to the clamping element takes place by means of a spring system which, upon reaching the required torque, releases the knob. When the established torque is exceeded, a "click" will be heard to indicate that maximum tightening has been achieved.

By turning the knob anticlockwise the mechanism (Elesa patent) unlocks.

The knob has been tested up to 60000 tightening cycles and the values of the torque were unchanged.

VTD - Torque limiting knob 
Other executions

Special executions on request

  • Knobs with threaded screw.
  • Knobs with different values of max. torque.
  • Knobs with stainless steel metal parts and NBR synthetic rubber O-Ring.
  • Knobs with cap supplied in other colours.
Elesa
Models all rights reserved in accordance with the law. Always mention the source when reproducing our drawings and photos.

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