OPTIMISATION OF TOLERANCES OF FIXED EXPANSION JOINTS OF DIFFERENT THICKNESSES FOR PRECISE MACHINE ASSEMBLY BY THE CONTROL METHOD

Abstract

The article discusses the method for determining the optimal tolerances of expansion joints of different thicknesses used to achieve the accuracy of the closing links of linear assembly dimensional chains of machines by the control method. The optimization criterion is the cost of processing flat surfaces of a set of expansion joints required for one piece of product. The method makes it possible to increase the objectivity of determining the value and stage of compensation, the number of fixed expansion joints, and the tolerances of expansion joints in relation to the parameters of the accuracy of assembly work. The methodology can be useful for engineers who develop technological processes for assembling machines.