The function and structure of electronic edge twister
The weaving process requires that the fabric must have corresponding edge-twisting devices during weaving. Generally, it is mechanical edge twisting. This article focuses on electronic edge twisting. During the weaving process, when the front end of the weft yarn is about to leave the cloth fell, the weft yarn clamper or air flow will release the weft yarn. At this time, the front end of the weft yarn will be in a free state. Due to the tension of the weft yarn, if the weft yarn is not held early at this time, the weft yarn will It will bounce back to a certain length, causing weft shrinkage (i.e. edge hem) on the cloth. The electronic edge twister can effectively hold the front end of the weft yarn that is immediately in a free state. The main features of the electronic edge twister: the left and right edge twisting times can be set independently, and different twisting times can be set according to the characteristics of the weft yarn to achieve effective edge twisting effects. The electronic hemming device is composed of a stepper motor, an electrical control panel, a hemming frame, a heddling heald, a proximity switch and a signaling panel (see Figure 4-1). You can also directly take the angle signal of the encoder instead of approaching the switch and the transmitter plate.
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