Towards Energy Intensity Reduction of Machining Fabrication Procedures

Abstract

The article is devoted to the rational consumption of energy resources when processing of blanks of machine component parts with metal-cutting tools during machine-building production. The scientific and methodological approach to the establishment of energy-efficient processing conditions is proposed, the one is based on the optimization of fabrication procedures according to new energy efficiency criterion. It was given the study of advantages and disadvantages of known methods of fabrication procedures optimization according to the criterion of the lowest specific energy intensity. New integral indicator of energy efficiency of cutting operation is formulated as a ratio of constructional material specific energy intensity to the specific energy consumption in the cutting area. The methods of determining of energy efficiency figure with taking into account the properties of processed material, the behaviors of its deformation and fracture, type of formed chippings and technological purpose of processing are offered. Optimization of machining fabrication procedures with usage of new criterion permits reduction of energy costs in the cutting area by 18-22% in comparison with applicable processing conditions.