精密工学会誌
Online ISSN : 1882-675X
Print ISSN : 0912-0289
フェライトの溝研削における溝の創成に及ぼす砥石結合材の影響
蓮田 裕一貴志 浩三
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1996 年 62 巻 10 号 p. 1454-1458

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In this investigation, ground grooves obtained by releasing a grinding wheel quickly from a workpiece during a slot grinding operation are examined in detail, in order to clarify the influence of the bond used in the grinding wheel on the generation of grooves. Experiments are carried out using a metal-bonded grinding wheel, a metal/resin-bonded grinding wheel and a resin-bonded grinding wheel. Grinding wheels with soft, elastic bonds result in narrower ground grooves. The initial chipping size for grinding wheels with soft, elastic bonds is small. The rate of decrease of chipping size after the occurrence of initial chipping due to the increase in kerf width is greater when the grinding wheel has soft, elastic bonds. Therefore, wheels with soft, elastic bonds have the function of reducing the edge-chipping size. The side surfaces of the grooves are ductile compared to the bottom surfaces, because the bottom surfaces are ground only by the periphery of the grinding wheel, whereas the side surfaces are ground with a smaller depth of cut and a greater length by the sides of the wheel.

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