发明名称 |
MICRO DRILL AND FABRICATING METHOD THEREOF |
摘要 |
<p>A method of fabricating a micro drill, which includes a drill part for machining a hole and a shank part fixed to a motor, the drill part and the shank part being made of different materials. The method includes the steps of forming a drill part-forming powder compact having a recess in one end thereof, and forming a shank part-forming powder compact having a protrusion, the protrusion intended to be fitted into the recess of the drill part-forming powder compact, forming an assembly of the drill part-forming powder compact and the shank part-forming powder compact, with the protrusion fitted into the recess, and simultaneously sintering the assembly of the drill part-forming powder compact and the shank part-forming powder compact.</p> |
申请公布号 |
EP2301694(A2) |
申请公布日期 |
2011.03.30 |
申请号 |
EP20090794599 |
申请日期 |
2009.06.23 |
申请人 |
BESTNER INC.;SAMSUNG ELECTRO-MECHANICS CO., LTD. |
发明人 |
YOON, TAE SIK;CHO, SOON JIN;CHO, SEUNG HYUN;LEE, JAE JOON |
分类号 |
B22F7/06;B23B51/02;B23P15/32;C22C38/08;C22C38/42;C22C38/44;C22C38/48 |
主分类号 |
B22F7/06 |
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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