抄録
In an air jet loom, compressed air is used for the weft insertion. In order to produce the compressed air, much electric power is necessary. To reduce the energy, an accelerating apparatus of the weft yarn (PDC-system) has been developed and the efficiency of the apparatus was assessed in the previous work. It was found that the energy for the weft insertion could be reduced by using the apparatus.
For this apparatus being used in various air jet looms, the flight state of the weft yarn should be analyzed in detail. In this work, the effects of PDC working conditions on the tip velocity of weft yarn and the weft yarn tension are investigated. From the investigations, it is found that the flight state of the weft yarn is more easily controlled by using the accelerating apparatus of the weft yarn.
