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《HJ13级光滑量规制造公差》企标简介曹亚勋(一一四厂)我厂的军用和民用产品图样中常注有"一般公差按HB5800-82-Ⅱ"的技术要求。为了减少专用量规的设计,满足"用钻头钻的孔,允许有等于孔公差之半的负偏差"的Ⅱ级孔的测量需要,我们编制了企标《HJ...
“HJ13 grade smooth gauge manufacturing tolerances” Enterprise standard profile Cao Yaxun (114 plants) I plant the military and civilian product designs often note the “general tolerance according to HB5800-82-Ⅱ” technical requirements. In order to reduce the design of special gauges to meet the “hole drilled with holes, allowing half the hole tolerance equal to the negative deviation of the” level Ⅱ hole measurement needs, we have prepared a standard "HJ ...