Apparatus for machining workpieces, particularly flat circular d

Details Apparatus for machining workpieces, particularly flat circular d Apparatus for machining workpieces, particularly flat circular d

1989-01-09

1990-06-26

Terrell, William

Turning

Lathe

With work feeder or remover

82 112, 51215H, B23B 1310, B23B 1500, B23Q 704, B25J 1100

Patent

active

049361805

ABSTRACT:
A lathe apparatus for machining flat, circular disk-shaped recording media, for example, audio, video or ROM compact disks, for the purpose of improving their surface quality and their dimensional stability is provided which comprises a driven lathe spindle (7), a vacuum chuck (8) for holding the recording medium or substrate (15, 15') to be machined, a carriage (9) for holding and guiding the tool (5), and magazines (14) for holding the machined and unmachined substrates. A robot (10) provided on the base (2) or bed (4) of the lathe comprises a gripper arm (11) with gripping tongs (12) movable in several planes which transports the substrates from one magazine (14) to the vacuum chuck (8) or from the vacuum chuck to the other magazine. The stacking axes (L) of the two magazines extend at an angle to the horizontal plane (E), and the magazines are maintained within the range of action of the gripper arm (11) with gripping tongs (12).

REFERENCES:
patent: 1428716 (1922-09-01), Smith et al.
patent: 1933226 (1933-10-01), Smith et al.
patent: 2554699 (1951-05-01), Gamble
patent: 2978117 (1961-04-01), Thompson
patent: 4060937 (1977-12-01), Glazer
patent: 4061062 (1977-12-01), Peltier
patent: 4200014 (1980-04-01), Dormehl
patent: 4235136 (1980-11-01), Strausfeld
patent: 4264254 (1981-04-01), Chang
patent: 4316398 (1982-02-01), Link et al.
Lundstrum, G., Industrial Robots-Gripper Review, Cotswold Press Ltd., Oxford, England (1978), p. 25.

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