发明名称 |
Spiralbohrer |
摘要 |
Spiral drill comprising a cylindrical part with two chip grooves (15,16) and a principal maximum stiffness direction (22,23), an attachment part (30) with larger diameter connecting to the cylindrical part at a transition (14), and a tip with indexable cutting inserts (12,13), the chip grooves spirally encircling the cylindrical part to make the principal direction turn an angle C which is at least 110 degrees and at most 125 degrees. |
申请公布号 |
DE69400144(T2) |
申请公布日期 |
1996.08.29 |
申请号 |
DE1994600144T |
申请日期 |
1994.02.24 |
申请人 |
SANDVIK AB, SANDVIKEN, SE |
发明人 |
TUKALA, TOMMY, S-811 52 SANDVIKEN, SE;KARLSSON, LEIF, S-810 64 KARLHOLMSBRUK, SE |
分类号 |
B23B51/00;B23B51/02;B23B51/04;(IPC1-7):B23B51/02 |
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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