Picanol, N.v.

Picanol

Filip Deconinck

Philippe Van Bogaert

Michel M Vandeweghe

Koen Maertens

Birger Johansson

Per Lundberg

Björn Halvarsson

Anders Svanström

Johan Cappelaere

Pär Josefsson

Rickard SÖDERBERG

Elise Wuyts

Jesper Fors

Jürgen Warmer

Veerle Vanwassenhove

Method for controlling the warp let-off on weaving machines, with the characteristic that the method consists of: detecting the variation with time of at least one of the parameters which are a function of the warp tension and speed of motion of the warp threads; taking the detected signal and removing the effects due to variations in the weave pattern; and using the resulting cleaned signal to control at least one warp drive motor.

Method for controlling the warp let-off and cloth take-up on weaving

A method to control the speed of the weft feed spool in weaving looms includes feeding at least two items of detected data related to weft delivery and supply, and loom operation, into a control mechanism, and using the data to calculate as a number of windings, the variation of the weft length reserve from the average minimum desired weft length reserve as determined by an average weft length reserve sensor and adjusting the speed of the feed spool in response to such calculations. A maximum weft length detector may be used as a control for the feed spool as well as a sensor for the time and number of unwindings of weft from the feed spool.

Speed control for weft feed spool in weaving looms

Growing community of inventors

Zwevegem, Belgium

Filip Deconinck