Tapping head

Details Tapping head Tapping head

1985-06-25

1987-11-24

Weidenfeld, Gil

Cutting by use of rotating axially moving tool

With means to apply transient, fluent medium to work or product

Including tool with duct

10 89F, 279 20, 408139, B23B 4724, B23B 5106

Patent

active

047085380

ABSTRACT:
A tapper for loading a spindle of machine tools with a tap. The tapper proper has a shaft to be driven, which is supported under floating axially by means of a pair of springs the pressurizing direction of which are opposite to each other, built-in. Cutting oil is pressurized to be fed from the outside of the tapper proper through oil passages, respectively which are provided on the tapper proper and the shaft to be driven to a oil hole and, in that case, the oil passages are formed such that the resultant hydraulic pressure does not give rise to an action of breaking the floating state of the shaft to be driven.

REFERENCES:
patent: 2777702 (1957-01-01), Rodal
patent: 3003493 (1961-10-01), Miller
patent: 3024030 (1962-03-01), Koch
patent: 4080090 (1978-03-01), Kern
patent: 4082472 (1978-04-01), Mossner et al.
patent: 4127279 (1978-11-01), Wright
patent: 4164879 (1979-08-01), Martin
patent: 4392761 (1983-07-01), Eckle
patent: 4396317 (1983-08-01), Staron et al.
patent: 4531865 (1985-07-01), Johnson

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