Abstract
The conditions of polishing of 18-8 stainless steel have mainly relied upon experimentations. There have been no definite values as to the force exerted in polishing. As the results, too strong force caused overheating, or too weak force could not remove imperfections from the surface.The object of the authors' study was to technically determine the exerting force on emery cloth and polishing compounds of grease-base which are used in manufacturing table and kitchen wares in Japan.The polishing wheel used in this experiment was made of canvas; its diameter was 1.1 in., its peripheral speed was 6, 000-7, 000ft./min., and its grain size of polishing grit was #180.The following results were obtained.1. When the force of 7.1lb./in2 was exerted in dry polishing, polishing burn was caused; but the burn was not caused for the force of 24lb/in2 when tripolite was used as lubricating abrasives.The depth of polishing was 10μ in the former case and 30μ in the latter case.2. The maintenance time of buffing was longer when the grain size of tripolite was finer or neutralization value of the grease was larger.
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