Method of machining keyways in shafts

Details Method of machining keyways in shafts Method of machining keyways in shafts

1991-07-22

1993-02-16

Bilinsky, Z. R.

Metal working

Method of mechanical manufacture

Shaping one-piece blank by removing material

409132, 409177, 409293, B23C 330

Patent

active

051859173

ABSTRACT:
A method of machining keyways in shafts comprises the steps of aligning a central line of a spindle of a machine tool with a center line of a shaft to be machined, preliminarily machining a keyway in the shaft with keyway mill arranged on the spindle so as to retain a symmetrical allowance for a finishing machining of the keyways so as to machine walls of the keyway, finishing machining of radiused parts of the keyway at its both ends with a cross-feed of the mill so that a width of radiused parts is greater than a desired width of the keyway, and final machining the keyway with a self-aligning cutting tool mounted on the spindle so that it freely turns and is rectilinearly moved along the keyway.

REFERENCES:
patent: 1707274 (1929-04-01), Retterath
patent: 3370508 (1968-02-01), Iaia
patent: 3888161 (1975-06-01), Baudermann
patent: 4778314 (1988-10-01), Borys
patent: 4786219 (1988-11-01), Oberlin et al.

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