Patent
1977-05-13
1978-03-07
Bilinsky, Z. R.
51 33W, 51 50PC, 51101R, 90 20, B23C 302, B24B 1702
Patent
active
040773027
ABSTRACT:
An improved apparatus for machining the end walls of slant axis rotary mechanisms of the type having a base, a support pivoted on the base for rotation about a first axis, a shaft journalled on the support for rotation about a second axis nonparallel to the first axis, a work holder carried by the shaft for receiving a housing element of a slant axis rotary mechanism to have an end wall machined thereon, a tool adjacent the work holder operable to perform a machining operation on a housing element received on the work holder, a drive for rotating the shaft, and a mechanism responsive to rotation of the shaft for oscillating the support about the first axis in timed relation to rotation of the shaft. The improvement includes a mechanism for oscillating the shaft along the second axis at a desired rate to cause the end wall being machined to have a surface configured to compensate for deflections occurring during operation of the mechanism in which the machined housing is to be employed and a mechanism for cyclically advancing and retarding the position of the tool peripherally adjacent the work holder in timed relation to rotation of the shaft, enabling the use of a larger tool and therefore increasing the speed of the machining operation.
REFERENCES:
patent: 3975866 (1976-08-01), Walker
patent: 4033231 (1977-07-01), Goloff et al.
Bilinsky Z. R.
Caterpillar Tractor Co.
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