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1问题的提出2.3理想状况上旁承下平面与上心盘下平面间的距离取下偏差L3 min=74 mm,此时所加上旁承垫板厚度为最小L2 min=2 mm。则由式(2)得:L1 min=60+L2 min-L3 min即:L1 min=60+2-74=-12(mm)此时下心盘垫板可加总厚度不能小于12 mm,即在技术规范0~50 mm范围内均可选用。3几
1 proposed problem 2.3 ideal conditions on the next plane and under the plane between the lower plane to take away the deviation L3min = 74mm, at this time plus the minimum thickness of the backing plate L2min = 2mm. (2): L1 min = 60 + L2 min-L3 min That is: L1 min = 60 + 2-74 = -12 (mm) At this time the total thickness of the underplate can not add less than 12 mm In the technical specifications 0 ~ 50 mm range can be used. 3 a few