Gun drill mechanism

Details Gun drill mechanism Gun drill mechanism

1991-12-19

1993-01-26

Howell, Daniel W.

Cutting by use of rotating axially moving tool

Machine frame

408 59, 408 67, 408705, B23B 4700

Patent

active

051818124

ABSTRACT:
Guide means are provided enabling a gun drill to be rotatably mounted in a supported bearing structure for operation with reduced bearing failure. The modified guide assembly provides a more effective seal means by reducing entry of chips and lubricant into the rotating bearing when machining a workpiece.

REFERENCES:
patent: 3003834 (1961-10-01), Pendleton
patent: 3361014 (1968-01-01), McClennan
patent: 3606560 (1971-09-01), McClennan
patent: 4726717 (1988-02-01), Schmid
patent: 5046868 (1991-09-01), Albert

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