Tapping attachment for a machine tool

Details Tapping attachment for a machine tool Tapping attachment for a machine tool

1977-10-11

1978-10-31

Hinson, Harrison L.

Cutting by use of rotating axially moving tool

Means to drive tool

Including means to move tool along tool-axis

408134, 10 89F, B23B 4714, B23B 4700, B23G 100

Patent

active

041231929

ABSTRACT:
A tapping attachment for a machine having at least one rotating workpiece spindle and associated coaxial tool drive shaft. The tapping attachment couples a tapping tool to the drive shaft in a manner selectively controlling the tool to rotate with respect to a workpiece attached at one of two predetermined velocities in the same direction as the spindle. The attachment is selectively adapted so that one of the two velocities is above and the other below that of the spindle.

REFERENCES:
patent: 3717892 (1973-02-01), Johnson
patent: 4008647 (1977-02-01), Hague et al.

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