发明名称 |
AUTOFRETTAGE BY MEANS OF A BALL |
摘要 |
<p>The invention relates to a method of increasing the dynamic pressure resistance of a metal component with a tubular inner space, in which a hard metal ball is forced under high pressure through the interior of the tubular inner space, wherein the hard metal ball has a diameter that is greater than the inside diameter of the tubular inner space before the hard metal ball is forced through.</p> |
申请公布号 |
EP2064010(B1) |
申请公布日期 |
2013.02.27 |
申请号 |
EP20070802854 |
申请日期 |
2007.08.24 |
申请人 |
SANDVIK MATERIALS TECHNOLOGY DEUTSCHLAND GMBH |
发明人 |
STRACKERJAHN, HENRICH;GOEKEN, MATTHIAS |
分类号 |
B21D26/00;B21D26/02;B21D39/14 |
主分类号 |
B21D26/00 |
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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