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ISSN 2072-3172

№1(28), 2014. TECHNOLOGIES AND EQUIPMENT FOR MACHINE-BUILDING INDUSTRY

V.A. Grechishnikov, V.B. Romanov, V.V. Yunusov

Cutting tools with insert for processing of step holes

A  matter  concerning  drill  holes  for  the  processing  step,  cutting  forces  acting  on  the  cutting  tool.  A  new  design  of cutting tools — step drill with a insert for processing multiholes. Cutting tool lets you change in terms of the cutting insert. Cutting tool allows you to receive various forms of stepped holes — screw heads and chamfers. The design allows the  cutting  tool  insert  a  desired  without  changing  the  hole  cutting  tool. 

 

 

Keywords: drill, step hole, drilling insert, cutting force..

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