Design of the comprehensive test instrument based on the position accuracy requirement of waist type hole
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The position accuracy of circular hole in drawing is common,and that of the holes with special shape is rare.Against the special requirement,namely the position accuracy of waist type hole,according to the principle and characteristics of functional gauge(GB/T 8069-19998),combined with design experience,this paper proposes design scheme,which meets the requirements of operation well,and at the same time provides reference and ideas for the design of other similar products.