Portable lathe

Details Portable lathe Portable lathe

1981-08-24

1984-06-05

Briggs, William R.

Turning

Process of turning

82 21A, 408 82, 408130, B23B 300

Patent

active

044521103

ABSTRACT:
A portable lathe for machining the end of a pipe workpiece for butt welding, having a cylindrical shroud with a collar for receiving the workpiece and three equiangularly spaced, hydraulic clamps mounted on the collar for clamping the pipe workpiece therein coaxial with a rotary cutting tool support of the lathe. Three equiangularly spaced, hydraulic actuators provide for axially feeding the tool support during machining and are hydraulically interconnected for damping an unbalanced machining reaction force on the cutting tool support.

REFERENCES:
patent: 2751822 (1956-06-01), Schiltz
patent: 3124024 (1964-03-01), Pittman
patent: 3205734 (1965-09-01), Headley et al.
patent: 3733939 (1973-05-01), Paysinger et al.
patent: 3744356 (1973-07-01), Slator et al.
patent: 3917428 (1975-11-01), Clark
patent: 4126065 (1978-11-01), Clavin
patent: 4257289 (1981-03-01), Groothius
patent: 4271733 (1981-06-01), Stone
patent: 4279182 (1981-07-01), Miyagawa et al.

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