Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1976-01-16
1976-11-30
Smith, Al Lawrence
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51147, B24B 2104, B24B 2118
Patent
active
039941000
ABSTRACT:
A multi-station grinding machine having an index table carrying a plurality of work tables rotatable with respect thereto with means for oscillating the index table while simultaneously rotating a work table whereby a workpiece at a grinding station is caused to have compound movements relative to a grinding element at the grinding station. The structure at the grinding station includes a column carrying a grinding element with the column being mounted for pivotal movement to move the grinding element toward and away from the work table with the column being out of balance, whereby the weight thereof normally urges the column in a direction to move the grinding element away from the work table and with jack mechanism operable to move the column through infeed and fast infeed movements to advance the grinding element relative to the work table. The foregoing structure has hydraulic circuitry for supplying the hydraulic motors for the index table and work tables and the operating cylinders for the jack mechanism whereby a grinding cycle may be performed at a plurality of stations with the index table oscillating and the work tables rotating while the grinding elements are being advanced and with an additional work table being at a load-unload station to exchange an unfinished workpiece for a finished workpiece while grinding is occurring at the other stations.
REFERENCES:
patent: 2442042 (1948-05-01), Hamilton
patent: 2612007 (1952-09-01), Bell
patent: 2636321 (1953-04-01), Wilson
patent: 2723598 (1955-11-01), Mann
patent: 2818058 (1957-12-01), Zuzelo
patent: 3382622 (1968-05-01), Dunn
patent: 3731911 (1973-05-01), Roder
patent: 3816998 (1974-06-01), Griuna
Timesavers Speedbelt Grinder, Publication Advertising Model 118, Aug. 1970.
Schaller Robert L.
Shelden Richard S.
Towne Donald L.
Godici Nicholas P.
Smith Al Lawrence
Sundstrand Syracuse, Inc.
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