Form drilling or turning device

Details Form drilling or turning device Form drilling or turning device

1994-12-29

1996-08-06

Rachuba, Maurina T.

Turning

Radially moving rotating tool inside bore

Forming non-circular bore

B23B 4104

Patent

active

055423248

ABSTRACT:
A special device for producing by machining a multiplicity of shaped bores or shaped external surfaces, such as squares, hexagons, ellipses, polygons. This is done by superimposing a forced radial motion, produced by purely rolling-action elements, on the rotational motion of a tool holder in such a way that the cutting edge of a tool inserted in the tool holder follows the required path as the tool holder rotates. The device enables shaped bores and external surfaces to be produced not only cleanly and to the required tolerances, but also very rapidly and simply. The form drilling and turning device can be used on normal drilling and machining machines and machining centers, as well as on turning machines and power tools.

REFERENCES:
patent: 398481 (1889-02-01), Whitney
patent: 1102538 (1914-07-01), Mulligan
patent: 1270144 (1918-06-01), Gallimore
patent: 1289242 (1918-12-01), Otis
patent: 1356571 (1920-10-01), Ungerman
patent: 1540826 (1925-06-01), Watts
patent: 1956740 (1934-05-01), Gress
patent: 2182478 (1939-12-01), Jacobson
patent: 2487994 (1949-11-01), Trevena
patent: 2814217 (1957-11-01), O'Donnell
patent: 3813969 (1974-06-01), Wheeler

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