Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1975-11-14
1977-09-06
Jones, Jr., James L.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51100R, B24B 1700
Patent
active
040459160
ABSTRACT:
The invention relates to an adjusting device for an oscillating workpiece. In one type of gear grinding machine, there is provided means for effecting oscillation of the workpiece simultaneously and in synchronism with reciprocation thereof in order to enable an involute curve to be ground onto the workpiece by a grinding wheel which is fixed except for its rotation. In such machine, this oscillation is created by one or more cams fixed to the workpiece spindle, together with at least two bands fixed at one of their respective ends to such cam and at the other of their respective ends to a fixed portion of the machine with the bands being wrapped at least partially around such cam. Thus, sidewise reciprocating movement of the workpiece spindle effects oscillation of same in a known manner according to the curve provided on said cams. According to the invention, control over the details of the workpiece, particularly the pitch circle and pressure angle, may be obtained by shifting transversely the axis of the cam or cams relative to the axis of the workpiece spindle. Thus, the cams are mounted with respect to said spindle, as onto a sleeve supporting said spindle, through threaded means for effecting relative adjustment therebetween in one or more directions.
REFERENCES:
patent: 3263372 (1966-08-01), Erhardt
Carl Wurth Maschinen- und Zahnradfabrik
Godici Nicholas P.
Jones Jr. James L.
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