Roller needle plate composite stretch breaking and spinning equipment for ramee
A hybrid, roller needle technology, used in drafting equipment, spinning machines, textiles and papermaking, etc., can solve the problems of difficulty in eliminating ultra-long fibers and a sharp increase in hemp grains, eliminating ultra-long fibers and avoiding violent effects. , reduce the effect of more filaments
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[0025] The ramie refined hemp produced in Hunan is adopted, and its properties are shown in Table 1:
[0026] average length
[0027] After adopting the roller needle-plate mixed type ramie stretch-cutting spinning equipment of the present invention to above-mentioned lean hemp raw material to process, the quality performance index of its semi-finished product and finished product is as shown in table 2 and table 3:
[0028] Table 2 Comparison of quality indicators between stretched strips and carded strips (stretch-cut distance is 110mm)
[0029]
[0030] As can be seen from Table 2, the length uniformity of the fibers after stretch cutting is significantly improved, especially the content of ultra-long fibers above 120mm is significantly reduced, and the hemp grains in the fiber strips are greatly reduced than those in the carded hemp strips; although the strength is reduced, However, since the weaker fibers are easily broken during stretching, the uneven streng...
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