Predicting Finishing Grinding Conditions for High-Speed Cutting Plates of Variable Compliance Using Multiparametric Optimization of Roughness

This paper describes the possibility of managing the grinding process of built-up plates made of high-speed steel in order to improve performance, reduce labour intensity and the length of technological preparation, while guaranteeing the specified quality of the microrelief. To increase efficiency of robust design of grinding operations, the authors use Design-Expert 8.0.4.1 software to search for Models I of the multivariate analysis of variance. Multiparametric optimization of the process with regard to the service function of the tool is performed. The optimal grinding conditions for finish grinding (highest efficiency) of built-up tools for each level of rigidity are obtained. It is established that by selecting the optimal grinding conditions, it is possible to increase the efficiency of the process up to 1.7 times for high-speed plates with variable longitudinal rigidity and up to 1.3 times for high-speed plates with variable transversal rigidity.

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