| 摘要 |
1288410 Rolling wire FRIEDRICH KOCKS KG 10 Dec 1969 [12 Dec 1968] 60243/69 Heading B3M Rolled wire stock, after being rolled in a threeroll pass of triangular shape (Fig. 1), is rolled in a three-roll sizing pass in which each roll 11, 12 and 13 has a working surface whose profile is elliptical, parabolic, hyperbolic or formed from curves of different radii. They can then be rolled in a similar sizing pass in which, instead of central part 15 of the roll profile having a maximum radius (as shown), it has a minimum radius. |
