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在加工许多箱体、盘类结构的工件及在组合机床、流水线、自动线上加工工件时,为使各工序的定位基准保持一致和减少定位积累误差,一般都采用一面(水平面)两孔定位方式。在计算此定位方式所产生的定位转角误差时,目前我国都按最大转角误差公式进行计算,其值过于保守。为使计算更加切台生产实
In the processing of many boxes, disk structure of the workpiece and in the combination of machine tools, pipeline, automatic processing of the workpiece line, in order to maintain the same process of positioning the baseline and reduce the accumulation of errors in positioning, generally used one (horizontal) two-hole positioning . When calculating the positioning angle error generated by this positioning method, at present, China is calculated according to the formula of the maximum angle error, whose value is too conservative. In order to make the calculation more important for Taiwan production