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发明名称
高速度高精度高耐用度铰刀
摘要
高速度高精度高耐用度铰刀的特点是各刀刃的前一段圆柱棱刃带的宽度窄,后一段宽。这样既利于切削又利于防振,很适用于高速切削,而且寿命比普通铰刀和镗铰刀要高出数倍甚至10倍以上。所铰出的孔,精度可稳定达H<SUB>4</SUB>。
申请公布号
CN1247784A
申请公布日期
2000.03.22
申请号
CN98123110.1
申请日期
1998.12.03
申请人
董日吾
发明人
董日吾
分类号
B23D77/00
主分类号
B23D77/00
代理机构
代理人
主权项
前端1~6毫米长的一段,各刃刃带的圆柱棱宽为0.1~0.8毫米,后一段宽为0.5~6毫米。总之在同一把刀上,前端1~6毫米长的一段刃带的圆柱棱窄,后一段宽。
地址
100029北京市安定门外胜古北里9号楼4门401
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