Cutting machine assembly

Details Cutting machine assembly Cutting machine assembly

1999-09-14

2000-12-19

Briggs, William

Gear cutting, milling, or planing

Milling

With means to control temperature or lubricate

144 481, 409137, B23C 904, B23B 704

Patent

active

061619930

ABSTRACT:
A cutting machine assembly is disclosed having a motor assembly with a motor housing, a motor shaft and spaced bearings which rotatably mount the motor shaft to the housing at opposite ends of electrical motor windings. A cutting tool is detachably secured to a forward end of the motor shaft. A casing is disposed around the motor and this casing has a first axial end secured to the motor housing adjacent the forward end of the shaft such that the casing forms an annular chamber between the casing and the motor housing. At least one and preferably several openings are formed in the first axial end of the casing adjacent the cutting tool and these openings are open to the annular chamber formed between the casing and the motor housing. An air vacuum is fluidly connected to the opposite axial end of the annular chamber so that, upon actuation, the air vacuum inducts air through the casing openings and through the annular chamber. The air vacuum serves not only to cool the motor contained within the motor housing, but also to induct debris caused by the cutting operation to a debris collection area.

REFERENCES:
patent: 4051880 (1977-10-01), Hestily
patent: 4364695 (1982-12-01), Lenz
patent: 4742855 (1988-05-01), Hartley
patent: 5152327 (1992-10-01), Shoda

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