Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1986-03-25
1987-08-25
Whitehead, Harold D.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51281R, 73468, 74573F, B24B 4104, G01M 134
Patent
active
046883550
ABSTRACT:
The invention pertains to a method of continuous compensation of unbalance present in a rotor, in particular, a grinding wheel. This is done by feeding a compensation fluid into correction chambers which are rotated with and arranged on the rotor at various angular locations. The supply of fluid is effected in successive balancing operations during rotation of the rotor and as a function of the minimum and maximum unbalance signals measured by a transducer over a certain period of time. The tolerance is determined for acceptable unbalance values. The balancing operation is terminated on the basis of the minimum and maximum which is multiplied by a multiplier determined as a function of allowable variations of the measured unbalance signal.
REFERENCES:
patent: 3950897 (1976-04-01), Birkenstack et al.
patent: 4432253 (1984-02-01), Kerlin
"Measuring Methods and Instruments of Hoffman Balancing Machines," by Gunter Junck, Hoffmann News No. 5.
"Principles of Balancing and Balancing Machines," by Gunther Himmler, Hofmann Info. No. 1.
Gruppenbacher Klaus
Menigat Roland
Hofmann Werkstatt-Technik GmbH
Whitehead Harold D.
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