Coolant distribution system for blind broaching

Details Coolant distribution system for blind broaching Coolant distribution system for blind broaching

1993-01-19

1993-11-02

Briggs, William

Gear cutting, milling, or planing

Broaching

With means to clean, lubricate, or modify temperature of...

B23D 3700

Patent

active

052578860

ABSTRACT:
A coolant distribution system in which coolant is introduced through the workholder in a broaching operation to lubricate the surfaces where the workpiece is in contact with the broach, to dissipate heat generated by the broaching action and to flush away chips. The workholder is an elongated arbor having a chuck for gripping the workpiece. A fluid passage for coolant extends through the arbor and has a first set of outlets for emitting coolant adjacent to the workpiece and a second set of outlets for emitting coolant through a pilot on the end of the arbor. The second set of outlets when the pilot enters a guide as it approaches the broach, causing an increased volume of coolant to flow from the first set of outlets.

REFERENCES:
patent: 4573841 (1986-03-01), Petkov et al.

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