BUILT-UP CUTTING TOOL Russian patent published in 2007 - IPC B23B27/16 B23C5/20 

Abstract RU 2302320 C1

FIELD: metal working, built-up cutters and milling cutters.

SUBSTANCE: tool includes cutting portion with seat having basic wall and lateral supporting walls. In said seat cutting tip is fastened by means of screw passing through central opening of tip. Said cutting tip has lower supporting surface and wavy cutting edge formed by crossing of its front surface with lateral surface having alternating dents and indentations. In order to enhance efficiency of working cutting tip is double-sided one. There are three portions on its lateral surface; two boundary portions adjoin respectively to front and lower supporting surfaces and mean portion is formed between them. Dents of lateral surface on said mean portion are restricted by cylindrical surfaces. On lateral wall of seat there are dents and indentations designed for engaging respectively with indentations and dents of mean portion. Threaded part of fastening screw is used for engaging with elastic member mounted on cutting portion and made integrally with it.

EFFECT: improved efficiency of working.

5 dwg

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RU 2 302 320 C1

Authors

Korjukina Nina Alekseevna

Dates

2007-07-10Published

2006-01-10Filed