New catalog: Variable speed pulleys – Motor slide bases


The expandable-disc pulleys (divided into two large families) are the most simple and economic solution for changing rapidly and continuously the rotation speed of two shaft, without having to stop the transmission.

Benefits of our models:

  • Good reliability;
  • Wide selection;
  • Easy installation;
  • Highly accurate manufacturing;
  • Competitive pricing without sacrificing quality;
  • “Made in Italy” with certified quality.

Our main product range:

  • “VARIABLE CENTRE DISTANCE”: consisting of two plates sliding symmetrically on a hub, transmits motion to a “fixed” driven pulley with variation ratios up to 1:3.5, by varying the distance between the centres of the two pulleys.
  • “FIXED CENTRE DISTANCE”: consists of a pair of pulleys, both with a single mobile disc that makes it possible to vary the speed with a ratio of up to 1:12,3 by varying of the handwheel on the driving pulley.



Chisura aziendale

Gentili clienti,
La presente per comunicare che, in occasione della Festa della Liberazione, la nostra azienda resterà chiusa lunedì 24 e martedì 25 aprile 2023.

Cordiali saluti,
ComInTec Srl

Dear Customer,
This is to inform you that, on the occasion of the Italian Liberation Day, our company will be closed on Monday 24 and Tuesday 25 April 2023.

Kind regards,
ComInTec Srl