| 摘要 |
The present invention refers to a synchronizer sleeve and a method of manufacturing a synchronizer sleeve for a change speed gear. The synchronizer sleeve comprises in a known manner a shift fork recess opening towards the outer peripheral surface and a toothing formed at its inner peripheral surface. The synchronizer sleeve according to the invention, which can be manufactured at a low price without affecting the wear to resistance, is characterized according to the invention by a surface hardness of the shift-force recess, which is set by cold rolling, wherein the toothing is hardened locally, in particular it is hardened inductively. In the method of manufacturing the synchronizer sleeve according to the invention the shift fork recess is ready worked by cold rolling.
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