| 发明名称 |
STEPPED DIE |
| 摘要 |
Provided is a stepped die comprising a cylindrical inner ring, and a cylindrical outer ring that is shrink fit to the outer circumference of the inner ring. A molding-use recess having a stepped portion is formed on the inner side of the inner ring. The shrink-fit rate of the outer ring with respect to inner ring is set to 0.12-0.25%. |
| 申请公布号 |
WO2015145842(A1) |
申请公布日期 |
2015.10.01 |
| 申请号 |
WO2014JP77688 |
申请日期 |
2014.10.17 |
| 申请人 |
SUMITOMO ELECTRIC SINTERED ALLOY, LTD. |
发明人 |
UOZUMI, MASATO;HIRONO SHINICHI |
| 分类号 |
B30B15/02;B21D37/02;B21D37/20;B30B11/02 |
主分类号 |
B30B15/02 |
| 代理机构 |
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