金属片の研削切断特性
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概要
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Abrasive cutoff wheels are fed radially into usual metal members, that is, steel, brass, copper and aluminium. The removal (feed) rate and grinding ratio are measured in terms of the wheel speed and the feed load which are chief variables on the working conditions. The performance of working is characterized by the average depth of cut ; g. Increase of feed load gets g deeper and the removal rate higher for all members. At higher wheel speed, brass is cut off at higher rate and g is almost , kept constant. In. the case of steel, the higher wheel speed has the adverse effect on the removal rate. The higher 'removal rate , brings on the more wear of wheel. From this performance, the pro-duct of removal rate and grinding ratio is present-ed to be a characteristic of efficiency or machinability. Cutoff of steel makes a difference in about twice the efficiency among wheels.' The machinability of steel is a fiftieth of brass, and that of copper and aluminium mediate between the former two.
- 1983-07-05
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