Pipe cutting machine and process for cutting pipe pieces from a

Details Pipe cutting machine and process for cutting pipe pieces from a Pipe cutting machine and process for cutting pipe pieces from a

1996-05-06

1999-04-20

Han, Frances

Turning

Severing or cut-off

Processes

82 48, 82 702, 82113, B23B 514

Patent

active

058947710

ABSTRACT:
Process and arrangement for cutting and/or chamfering pipe front rims of pipes, in particular thick-walled pipes which are used for manufacturing ball bearings. The process includes the steps of measuring the actual external diameter of the pipe or inputting the data of the nominal external diameter of the pipe, moving of at least one cutting head towards abutting contact with the exterior surface of the pipe in a rapid transverse motion in accordance with measurements stored in a control unit, switching the feed motion and/or the cutting speed to conform to the machining process which has been adapted to the material of the pipe for the rapid cutting of a ring piece from the pipe blank. The external periphery of the pipe generally consisting of a hard zone which is being cut by a slower cutting speed and said cutting speed is increased once said hard zone has been fully traversed by the cutting tools mounted on the cutting head.

REFERENCES:
patent: 3191205 (1965-06-01), Gilbert
patent: 3863528 (1975-02-01), Wiesner
patent: 4430913 (1984-02-01), Williamson
patent: 4776247 (1988-10-01), Kiya
patent: 5335570 (1994-08-01), Ro
patent: 5458031 (1995-10-01), Wolff
Office Action in German Examination of German Patent Application S.N.19516035.5-14. Office Action is Dated Dec. 20, 1995.

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