Mechanical Tensioners with Frontal Wire Passage and Tension Viewer LEM Series 

Type 1 - 2 - 3 - 4 

LEM tensioners can be used on every winding machine without changes on any software and/or hardware.


Main Features:

  • Frontal wire passage to save space on the winding machine;
  • Gradual and progressive setting of the brake thanks to the control of the rod’s position;
  • Excellent response to coiling’s high speeds and acceleration;
  • Load cell and electronic control with wire tension viewer thanks to a LCD display
  • Software to set the load cell and the reading speed. 


  • Wire breakage signal;
  • Alarms box;
  • Software for the graphic view of the wire tension during coiling phase and to set the load cell;
  • LEM-1 and LEM-2 have two springs, adjustable separately, that allow to manage with two different tensions, one during winding, one during wrapping.
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User Guide Mechanical Tensioner LEM rev. 04-2019.pdf