Spindle driving device for a machine tool

Details Spindle driving device for a machine tool Spindle driving device for a machine tool

1990-06-14

1993-03-30

Bilinsky, Z. R.

Turning

Lathe

With program control

82129, 318625, 36447411, B23B 306, B23Q 510

Patent

active

051973634

ABSTRACT:
The invention relates to a spindle drive controller for a machine tool such as a numerically controlled lathe of the two spindle type. According to the invention, a drive control unit is enabled to separately control the spindles, or jointly control both spindles simultaneously. A switchover unit controls whether one or both spindles is controlled, and changeover units are provided for selectively feeding back speed and position feedback signals from one or the other of the respective spindles, depending on which spindle is being driven at that time.

REFERENCES:
patent: 4457193 (1984-07-01), Mathey
patent: 4683786 (1987-08-01), Kersten et al.
patent: 4837491 (1989-06-01), Fujioka et al.
patent: 4862380 (1989-08-01), Kawamura
patent: 5027680 (1991-07-01), Kohari et al.

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