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列宁格勃工具厂革新者对成批生产带有读数装置的千分尺进行了一系列研究,并指出,该千分尺微动偶件的误差具有递增的特性,然而要减少此误差是极其复杂的.实际上,微动偶件的误差是在千分螺杆移动25毫米时为最小,其值在±2微米范围以内。为了检验—50型千分表〔1〕,必须使千分螺丝移动50毫米时,误差不得超过±1微米。由于采用了比长仪,是可以保证这个数位〔2〕。在内套简的弹性部份划有纵向刻线到槽部(见图).根据微动偶件误差的大小和符号,在所需点上用修正纵向刻线位侈量的方法来减少误差。有效地采用了带有误差补偿装置的仪器来检验分度值为
Leningrad Tool Plant innovators have conducted a series of studies on batch production of micrometers with reading devices and noted that the error of the micrometer micromotion has increasing characteristics, however, it is extremely complicated to reduce this error. The error of the inching component is the smallest when the one-half-length screw is moved 25 mm and its value is within ± 2 μm. In order to test the -50 type dial indicator [1], the screw must be moved 50 mm, the error must not exceed ± 1 micron. As a result of the long instrument, is to ensure that the digital [2]. In the elastic part of the inner sleeve is marked with a longitudinal groove to the groove (see figure) .According to the size and symbol of the micro-movement, the error is corrected at the required point . Effective use of the error compensation device to check the graduation value of the device