Multiple-spindle lathe

Details Multiple-spindle lathe Multiple-spindle lathe

1987-03-26

1988-04-19

Schmidt, Frederick R.

Turning

Process of turning

82 28R, 82 40R, B23B 1300

Patent

active

047381710

ABSTRACT:
Multiple-spindle lathe with a drive shaft which is rotatably and longitudinally displaceably mounted in a headstock, a spindle carrier which is mounted on the headstock for rotation about an indexing axis, and several work spindles which are rotatably mounted in the spindle carrier and comprise at their outer ends chucks and at their inner ends coupling elements for coupling one respective work spindle with the drive shaft. To enable retightening of the chuck of a work spindle which is driven to machine a workpiece, also while the workpiece is being machined, the work spindles are provided with double-acting pressure medium cylinders and the drive shaft with pressure medium lines, the drive shaft head and the inner work spindle ends form pressure medium coupling halves which in the case of the work spindle to be driven can be coupled by forward displacement of the drive shaft, and a pressure medium connecting device which can be coupled with the pressure medium coupling half of a non-driven work spindle is provided for actuation of the chuck thereof.

REFERENCES:
patent: 3984905 (1976-10-01), Petzoldt

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