Reliability Technological Support of Friction Unit Parts of Science Intensive Assembly Units

This article considers the improvement of mathematical and methodological support of the implementation of an enlarged block of design procedures of the analysis of requirements of the assembly of high-precision products of the complex of design procedures of the system of accounting requirements for the assembly in the design of manufacturing methods of machining. The proposed modernization will allow to more efficiently perform of the design dimensional analysis of a high-precision assembly unit in an automated fashion and choose rational manufacturing methods of machining of parts in the system of automated sequencing of manufacturing methods during process design of the production of multi-nomenclature machining complexes. In addition, the proposed solutions allow for the expansion of digitalization of designing preproduction and process design and the transition to intelligent production systems. The problem posed in the presented study is relevant, since the proposed solutions allow for the expansion of digitalization of designing preproduction and process design and the transition to intelligent production systems in the future.

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The Error of Basing the Workpieces When Installed on the Location Vees, Taking Into Account Macro Displacements

Filkin

Polskiy²

2022

Transport Engineering

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Work objective: development of devices for high-precision machining of machine parts. The problem to which the paper is devoted is to analyze the accuracy of devices with location vees. Research methods: modelling of the contact of the workpiece contact with the location vee by means of the theory of dimensional connections, analysis of some model parameter influence using sensitivity analysis, regression analysis of the results of modeling the workpiece fixing in the location vees. The novelty of the work: the influence of form tolerances and the relative location of the base surfaces are established when calculating the accuracy of fixing workpieces in location vees; the features of forming basing error in the worst case (by maximum-minimum method) and taking into account the probability of size distribution within the tolerances (by the probabilistic method) are revealed. The results of the study: a model is developed for installing the workpiece into a vee, taking into account misalignment and deviations from roundness, dependencies are obtained for estimating the error of basing the workpiece in the location vees, taking into account these macro-displacements. Conclusions: the error of basing the workpiece in the vee is influenced by the tolerances of the form and location of the base surfaces; taking into account the errors of the form and location of the workpiece base surfaces make it possible to form the error of the base in the horizontal plane.

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Reliability Technological Support of Friction Unit Parts of Science Intensive Assembly Units

Cited by 3 publications

References 1 publication

Providing Operability of Electromechanical Sensors Through Vibration Stabilization Part Treatment

Providing Operability of Electromechanical Sensors Through Vibration Stabilization Part Treatment

Formalization of requirements for assembly of high-precision units during process design of production of multi-product machining systems

The Error of Basing the Workpieces When Installed on the Location Vees, Taking Into Account Macro Displacements

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