发明名称 |
Heat treatment for a steel bearing |
摘要 |
<p>In a heat treatment wherein a blank to be used in the manufacture of bearing is (intermediate material) formed with a lubrication hole is heated and quenched, the quenching of the blank is terminated at the point of time that a temperature at a portion corresponding to a depth from a raceway surface (surface of a bearing part) of an outer ring (the bearing part), to which depth the maximum shear stress affects, is lowered to an MS point. <IMAGE></p> |
申请公布号 |
EP1418246(B1) |
申请公布日期 |
2007.04.18 |
申请号 |
EP20030024825 |
申请日期 |
2003.10.30 |
申请人 |
JTEKT CORPORATION |
发明人 |
TODA, KAZUTOSHI;GOTO, MASAO |
分类号 |
C21D9/40;C21D1/19;F16C19/38;F16C33/64 |
主分类号 |
C21D9/40 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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