DEVICE FOR MEASURING THE THICKNESS OF A COMPOSITE FIBER RIBBON ON A STRETCH BENCH, PARTICULARLY A REGULATING STRETCH BENCH

摘要

P Device for measuring the thickness of a fiber composite tape on a drawing bench, comprising a ribbon guide (2) at the entrance of the bench, with conical walls for grouping in a plane the ribbons of incoming fibers, and followed by a pair of cylinders (4), after which the ribbons diverge. The guide (2) is associated with a loaded and movable probe (22) which forms a constriction for the composite ribbon with a fixed counter-surface (34) and whose position modification acts when the fiber ribbon has different thicknesses. on a conversion member (33) for producing a control pulse. The ribbons in the guide (2) are compressed and palpated in a plane and the pair of rolls (4) pulls the ribbons of felt fibers. BR/ To adapt the pressing effect of the feeler element (22) during a modification of the kind and / or the number of the fiber ribbons, the loaded feeler element (22) is subjected to an adjustable preload (32). / P