Journal turning lathe having dual feed screw drive

Details Journal turning lathe having dual feed screw drive Journal turning lathe having dual feed screw drive

2005-06-07

2005-06-07

Fridie, Jr., Willmon (Department: 3722)

Turning

Portable lathe for pipe turning

C082S128000, C082S130000, C082S141000

Reexamination Certificate

active

06901828

ABSTRACT:
A portable journal turning lathe for machining a shaft at a job site, including a pair of clamping rings that are adapted to be centered at spaced apart locations along the length of the shaft to be machined. Extending between the clamping rings is a plurality of guide shafts which slidingly support a split ring clamshell assembly. A cutting tool carrier is affixed to the rotatable ring portion of the clamshell assembly so that when the movable ring is driven the tool carrier orbits the shaft being machined. A plurality of feed screws driven by a servomotor translates the clamshell assembly along the guide shafts.

REFERENCES:
patent: 2706912 (1955-04-01), Baker
patent: 4359917 (1982-11-01), Wilger et al.
patent: 4922772 (1990-05-01), Silk
patent: 5056389 (1991-10-01), Johnstead
patent: 6065378 (2000-05-01), Ricci
patent: 6553875 (2003-04-01), Miyano

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