Device for machining thin-walled hollow cylinders using a laser

Details Device for machining thin-walled hollow cylinders using a laser Device for machining thin-walled hollow cylinders using a laser

1993-03-25

1995-01-31

Albritton, C. L.

Electric heating

Metal heating

By arc

21912182, B23K 2600

Patent

active

053860977

ABSTRACT:
A device for machining the surface of a thin-walled hollow cylinder using a laser beam. The laser beam is directed essentially radially onto the surface of the hollow cylinder and can be moved in a longitudinal direction along the cylinder's length as the cylinder is rotated, producing a rotary screen. A support bearing can move along with the laser beam for supporting the hollow cylinder around its circumference. The support bearing is stationary in the circumferential direction of the hollow cylinder, that is to say it cannot rotate around the latter, while in addition the laser beam passes through an opening extending radially in the support bearing. As a result, the vibration of the hollow cylinder can be damped in the immediate vicinity of the point of impingement of the laser beam on the hollow cylinder so that very precise master patterns can be generated.

REFERENCES:
patent: 5198636 (1993-03-01), Suchan

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