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一、对检验7的分析 1关于检验7公差的规定:钻轴中心经对于钻轴套筒移动方向的平行性公差为:莫氏锥度至2号的机床,每长100公厘为0.03公厘;莫氏锥度大於2 号的机床,每长300公厘为0.05公厘。公差栏内并注有“在纵平面”内钻轴下端只许向主柱偏”(详阅《机床与工具》1956年第2期第1
I. Analysis of test 7 1 Test 7 Tolerance: The parallelism of the center of the drill spindle to the direction of movement of the drill spindle sleeve shall be as follows: a machine with a Morse taper of 2 and a length of 100 mm per length of 0.03 mm ; Morse taper greater than 2 machine, 300 mm length of 0.05 mm. Tolerance column and note “in the vertical plane” within the lower end of the drill shaft to the main column partial “(for more details,” Machine and Tools "No. 2 of 1956 No. 1