INSTALLATION FOR CUTTING AND CHAMFERING TUBES Russian patent published in 1999 - IPC

FIELD: cutting thin-wall tubes and chamfering them. SUBSTANCE: installation includes machine tool 2 with tool 15,16 for cutting tube and chamfering it in cut place and clamping device 1. Tool 15 (16) is guided around tube clamped by jaws of clamping device 1. In order to reduce fluctuation of contour from regular circle, tube is clamped along circle. Tools - sawing web 15 and milling cutter 16 - are mounted one close to another on common shaft 17. Teeth of sawing web pass at one side and cover the most outer edge of milling cutter 16 that does not take part in chamfering process. EFFECT: precision cutting and chamfering tube at one operation. 5 cl, 5 dwg