Timing Design Of Loop-Forming In LCL Carpet Tufting Machine

The reed timing determines the loop-forming effect in Level Cut Loop(LCL )tufting machine when loop pile. Acquired the loop-forming technological requirements by taking high cut low loop tufting machine as reference object, and then proposed the timing requirements of reed when loop pile. Designed the link mechanism of needles, hooks and knives in LCL tufting machine on the basis of four bar mechanism principle. According to Ferdinand Freudenstein algorithm and the derivation formula for the length of links in slider-crank, the length of each link was calculated. The timing diagram of needle and hook is acquired by modeling and simulation of the jacquard mechanism with Adams simulation Software. With such a timing design, LCL carpet tufting machine can reliably achieve cut pile and loop pile.

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