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DRILL HEAD FOR A DEEP HOLE DRILLING TOOL FOR BTA DEEP HOLE DRILLING, AND DEEP HOLE DRILLING TOOL
专利权人:
TBT Tiefbohrtechnik GmbH + Co
发明人:
RANDECKER, Hermann,BERNT, Andreas
申请号:
HUE11714979
公开号:
HUE034643(T2)
申请日:
2011.04.15
申请国别(地区):
匈牙利
年份:
2018
代理人:
摘要:
A drill head for a deep hole drilling tool. A drill head body is rotatable about an axis of rotation and has a drilling side and a cavity duct with a chip collecting orifice. A cutting edge has a main and a secondary cutting edge cant, the secondary cutting edge cant arranged on a radial outside of the cutting edge. The main and the secondary cutting edge cants form a cutting edge corner and span a rake which is arranged contiguously to the chip collecting orifice. A first guide pad is arranged in a circumferential half, facing away from the rake, and a second guide pad is arranged diametrically opposite the cutting edge corner. The first guide pad can be offset to the cutting edge corner by the amount of a guide pad angle in the circumferential direction of the drill head The guide pad angle amounts to less than 70°.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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