Method for machining an impeller cover

Details Method for machining an impeller cover Method for machining an impeller cover

1979-10-10

1981-04-07

Briggs, William R.

Gear cutting, milling, or planing

Milling

Process

409131, B23C 332

Patent

active

042603048

ABSTRACT:
In a method of machining an upper conical surface in an annular impeller cover, a rotatable milling cutter has its cutting surface ground to an angle approximately equal to that of the desired conical surface configuration of the cover. The milling cutter is then caused to rotate and by the use of a three dimensional milling machine, the cutter is moved across the annular cover blank used for making the cover, cutting the conical surface and forming a plurality of integral vanes that project from the conical surface in circumferentially-spaced relationship.

REFERENCES:
patent: 3212405 (1965-10-01), Smith
patent: 3906834 (1975-09-01), Gladwin
patent: 4028992 (1977-06-01), Kuehnle
patent: 4031805 (1977-06-01), Shraiman
patent: 4198182 (1980-04-01), Green

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