Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1975-10-06
1977-07-05
Jones, Jr., James L.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51 90, 29 81F, 29 81H, 29 81J, 15 88, B21C 4304
Patent
active
040330753
ABSTRACT:
A planetary machining apparatus comprises a rotor and one or more drive spindle assemblies mounted thereon. Each drive spindle assembly includes a rotary spindle support mounted for rotation on the rotor about an axis parallel to and radially spaced from the rotor axis, a drive spindle eccentrically mounted on the spindle support for rotation about an axis radially spaced from the spindle support axis, and a machining element mounted on the drive spindle. A pair of bidirectional hydraulic motors are mounted on the rotor in operative engagement with the spindle supports for angularly adjusting the spindle supports to effect a radial displacement of the drive spindles and the machining elements relative to the axis of the rotor. A control arrangement including a rotary fluid distributor is provided for selectively operating the hydraulic motors during rotor rotation.
REFERENCES:
patent: 1215482 (1917-02-01), Chamberlain
patent: 2383927 (1945-08-01), Carlson
patent: 2571632 (1951-10-01), Vinell et al.
patent: 3304661 (1967-02-01), Maguire
patent: 3432971 (1969-03-01), Conti
patent: 3633318 (1972-01-01), Olivotto
Jones Jr. James L.
Ramsey K. J.
The Fenn Manufacturing Company
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