| 摘要 |
<p>The invention relates to annular diaphragms for example for use in clutches, comprising a peripheral portion forming a Belleville washer and a central portion fragmented by slots into radial segments. By means of the method according to the invention, in order to obtain a reduced width for the open end of the slots, the two edges of the slots are produced in two separate operations, namely a first cutting operation in the course of which one of these edges is first formed and then a second cutting operation in the course of which the other edge is formed.</p> |
