Gun drill coolant bushing

Details Gun drill coolant bushing Gun drill coolant bushing

1986-08-11

1988-09-13

Bilinsky, Z. R.

Cutting by use of rotating axially moving tool

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

Including nozzle

408 72B, 408241B, 408115B, B23B 5106

Patent

active

047705701

ABSTRACT:
A lock collar for a drill bushing and a system for cooling a drill bit during a drilling operation are arranged so as to be incorporated into a single mechanism. The mechanism involves two assemblies, one being a locking liner embedded in a jig plate, and the other being a coolant directing assembly adapted to be mounted on a power-fed tool. There is coolant passage means in the coolant directing assembly which accepts coolant from an appropriate source and directs it through the first mentioned assembly to the cutting edge of the drill bit or other cutting tool while the cutting operation is taking place. By reverse rotation of the coolant directing assembly, that assembly can then be removed for subsequent engagement with another locking liner.

REFERENCES:
patent: 819756 (1906-05-01), Hellman et al.
patent: 1611028 (1926-12-01), Harrison
patent: 2409525 (1946-10-01), Andreasson
patent: 2510203 (1950-06-01), Andreasson
patent: 2690149 (1954-09-01), Adams
patent: 3874808 (1975-04-01), Zaccordelli et al.

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