| 摘要 |
When preliminarily punching a nylon micro fine fiber staple consisting of length 51 m/m, fineness 3.5-4 denier, crimp number 22 inch, the regular bob type feltoneys of 3.5 inch size are used. In case of basic punching, the RB type feltoneys of 3 inch size are used, and they are provided that PPSC 1800, working width 2m, punching depth 10-10-8-5-3, producing speed 3 m/min and the needle density 5,000 strand/lin.m. and when punching basically, 10,000 strand/lin.m. |
