| 摘要 |
<p>The proposed wear-proof wind up roll (10) is intended for guiding of yarn or fibers or for driving yarn packages on cross-winding or rotor spinning machines. The wind up roll (10) comprises a body having at least some cylindrical sections and being rotatable about the axis (100), whereby at least one cylindrical section comprises at least one pair of engagement edges (21a', 21a''; 21b', 21b''; ....; 21i', 21i'''), which are arranged at certain distances from each other on the cylindrical body circumference.</p> |
