Timed intermittent air propelled liquid coolant system for machi

Details Timed intermittent air propelled liquid coolant system for machi Timed intermittent air propelled liquid coolant system for machi

1977-05-11

1978-06-20

Hinson, Harrison L.

Cutting by use of rotating axially moving tool

Processes

Bit detachable

82 1C, 90 11A, 407 11, 408 59, 408 61, B23B 3500, B23B 5106, B23B 300

Patent

active

040959163

ABSTRACT:
Liquid coolant and lubricant is intermittently pressure fed through a hollow drill stem to the tip of a drill, preferably a spade drill, against the workpiece by compressed air from the conventional machine shop air line which is fed over and released from a column of the liquid coolant and lubricant at selected frequencies and for selected durations without the use of motors, pumps, or other propelling devices. A pair of manually adjusted controls select the frequency of intermittent coolant feed and the length of feed duration within the selected frequency to maintain desired operating temperatures at the drill tip while effectively flushing out chips cut from the workpiece.

REFERENCES:
patent: 294092 (1884-02-01), Sperry
patent: 355757 (1887-01-01), Crothers
patent: 1422031 (1922-07-01), Caulkins
patent: 2437605 (1948-03-01), Karge
patent: 2653517 (1953-09-01), Pigott
patent: 3333489 (1967-08-01), Mossberg
patent: 3605551 (1971-09-01), Steward

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