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鉴于B002型检查仪的测量精神不高和率效低，无法满足大批量生产的要求，上海红星厂对C923型量仪作了一些改进。使用改进后的量仪能保证测量精度，同时也提高了测量效率，减轻了检验人员的劳动强度，示值的复映性好，对生产小型轴承的企业有一定参考价值。文内介绍了对C923型量仪的改进情况。附图3幅。
In view of the measurement of B002-type instrument is not high spirit and low efficiency, can not meet the requirements of mass production, Shanghai Hongxing plant on the C923-type instrument made some improvements. The improved measuring instrument can guarantee the measurement accuracy, meanwhile, the measurement efficiency is improved, the labor intensity of the inspection staff is reduced, the reappearance of the indication value is good, and there is a certain reference value for the enterprises producing small bearings. The article introduced the improvement of C923 type measuring instrument. Figure 3 Figure.