Router especially for use as a fiber-metal cutter

Details Router especially for use as a fiber-metal cutter Router especially for use as a fiber-metal cutter

1981-03-09

1983-07-26

Garrett, Robert E.

Cutters, for shaping

Rotary cutting tool

Face or end mill

408 54, B26D 112, B23B 2710

Patent

active

043951678

ABSTRACT:
A router is made from a carbide shaft or rod which has two sets of flutes, which preferably turn in the same direction and overlap each other in each and every circumference of the fluted part of the shaft. One set of flutes has a slow spiral and sharp cutting edges. The other set of flutes has a fast spiral and a clean out groove with a large cross section. The rod turns, for cutting, in a direction which drives chips, dust, and other debris downwardly where they are drawn off by a vacuum cleaner. The air draft of the vacuum cleaner passes through the flutes and cools the cutting edges.

REFERENCES:
patent: 2081487 (1935-12-01), Lane
patent: 2918955 (1959-12-01), Simas
patent: 3037264 (1962-06-01), Mossberg
patent: 3058199 (1962-10-01), Cave et al.
patent: 3456316 (1967-08-01), Dawson
patent: 3863316 (1975-02-01), Yeo
patent: 3913196 (1975-10-01), Maday
patent: 4285618 (1981-08-01), Shanley, Jr.

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