发明名称 |
BOHRER- ODER FRÄSER-ROHLING |
摘要 |
According to the present invention there is now provided a cemented carbide drill/endmill blank consisting of a core and a surrounding tube with improved technological properties. The difference in Co-content between the core and tube is 1-10 wt.% units and the cubic carbide content is 8-20 wt.% in the tube and 0.5-2 wt.% in the core. The invention also relates to the method of making said cemented carbide drill/end mill blank. |
申请公布号 |
AT248932(T) |
申请公布日期 |
2003.09.15 |
申请号 |
AT19970952151T |
申请日期 |
1997.12.18 |
申请人 |
SANDVIK AKTIEBOLAG (PUBL) |
发明人 |
FOSTER, STEPHEN;MCCARTY, GARY;GREARSON, ALISTAIR;OUCHTERLONY, HELENE |
分类号 |
B23B51/00;B22F7/00;B23P15/28;C22C;C22C29/02;C22C29/08 |
主分类号 |
B23B51/00 |
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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