Method for feeding the edge warp threads of a warp by means of a warp-thread feed machine

摘要

The present invention relates to weaving preparation and serves for feeding the edge warp threads of a warp during drawing into the healds and/or warp-thread stop-motion drop wires of a weaving machine. The object to be achieved is principally to vary the signal acquisition by making it largely independent of the properties of the warp-thread material. According to the invention, the edge warp thread triggering the signal is brought into connection with an opto-electric converter. The electronic signals formed are stored in a circuit and are linked logically to a further signal, obtained during the 180@-rotation of the arms of the feeding and holding device of the warp-thread feed machine, and are used for switching the rotary device of the feeding and holding device. IMAGE