Automatic tapping device for use on a mechanical press

Details Automatic tapping device for use on a mechanical press Automatic tapping device for use on a mechanical press

1981-12-14

1984-09-25

Kazenske, E. R.

Cutting by use of rotating axially moving tool

With work-engaging structure other than tool or tool-support

Having tool-opposing, work-engaging surface

10129A, B23B 4700, B23B 4900, B23G 100

Patent

active

044733305

ABSTRACT:
An automatic tapping device for use on a mechanical press including a screw member fixed rigidly to and extending from the upper surface of a lower block and a reversible actuating nut engaged on the screw and a rotary tapping-bit holder spindle rotatably mounted in an upper block. The actuating nut and the rotary tapping-bit holder are interconnected by a chain transmission, including gear wheels borne by an intermediate shaft. The invention is applicable to the tapping of parts on mechanical presses, such as eccentric stamping presses or deep-drawing presses.

REFERENCES:
patent: 2314138 (1943-03-01), Garbe
patent: 2346297 (1944-04-01), Garbe
patent: 3162873 (1964-12-01), Ohme
patent: 3579687 (1983-09-01), Hoshi et al.

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