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;
  • Setting of the wire tension range (minimum and maximum) with alarms;
  • Highly customizable devices.


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