| 摘要 |
<p>In knitting parts (a guide, needle, tong and the like in a warp knitting machine) of a knitting machine, an anticorrosion layer (12) formed by wet plating, an intermediate layer (14) formed by dry plating and a hard carbon film (16) formed by dry plating are successively laminated on and covers at least a surface of that portion of a base material (10) formed of carbon steel and shaped to profile the knitting parts, which portion contacts a knitting yarn (18), and a surface of a portion other than the above portion is covered only by the anticorrosion layer (12) formed by wet plating. So, the anticorrosion layer prevents rust and corrosion which would otherwise be produced on a surface of the base material (10) formed of carbon steel, and the hard carbon film firmly sticks to and covers at least the surface of that portion, which portion contacts a knitting yarn, with the intermediate layer therebetween, so that the thickness of the entire film is made small to provide an adequate abrasion resistance without impairing toughness of the base material, thereby markedly improving durability.</p> |
