The function of menstruation tablets and the conditions they should meet
The warp stop device is an indispensable part of the shuttleless loom. The action of the warp stop piece forms the automatic stop of the loom due to warp breakage. 1. The role of the warp stop piece in the weaving process 1. End-break self-stop function The warp yarn passes through the yarn threading eye of the warp stop piece in an orderly manner. When the warp yarn breaks or the warp tension relaxes, the warp stop piece will stop due to its own It falls due to gravity, causing the warp stop device to work and the loom to stop running to prevent the occurrence of defects. 2. Twist separation and impurity cleaning function: The warp yarn passes through the threading eye of the warp stop piece, so that the warp yarns are arranged in an orderly manner without twisting each other. At the same time, during the weaving process, as the warp tension changes, the warp yarn and the threading eye rub, It can remove some neps and impurities on the surface of spinning yarn and play an impurity cleaning role. 2. The conditions that the warp stop piece should meet in the weaving process (1) The appearance and specifications of the warp stop piece must be consistent, so that the automatic stopping device can react sensitively when the warp ends are broken. (2) The thickness and weight are uniform, so that the warp yarns are subject to equal tension to ensure the quality of the fabric. (3) The surface must be straight and smooth so that it can fall smoothly when the warp ends are broken and reduce the attached floral impurities. (4) The yarn threading eye should be completely smooth and burr-free, so as not to scratch the woolen yarn, so as not to affect the abrasion resistance of the original yarn and cause end breakage. (5) It has certain elasticity, hardness and wear resistance, so that when the warp yarn is broken, the self-stop device can function smoothly and effectively, and return to its original state after the force is removed. At the same time, when the spinning yarn passes through the yarn threading eye When friction occurs, grooves will not be worn out quickly.
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