Energy-Saving and Low-Emission Equipment Selection for Machining Process Based on New Quality Productivity Orientation

The use of equipment is an important source of energy consumption and carbon emissions. The energy consumption and carbon emissions generated by different types and quantities of equipment processing the same product vary greatly. At present, most of the equipment selection is only a comparison of the best types, rarely considering the dynamic changes and effects of the production process elements, which makes it difficult to adapt to the needs of sustainable development. In order to solve this problem, we establish a production equipment selection model based on new quality productivity (NQP)-oriented, and establish a unified calculation method for different types of equipment to consider energy consumption and carbon emissions in the production process. The multi-objective egret swarm optimization algorithm (MESOA) is used to calculate the energy consumption and carbon emissions of different devices. A case was conducted, taking the shaft processing as an example. The results show that the optimal energy consumption and carbon emission of the same product produced by different equipment can be calculated under the orientation of new quality productivity. In the later stage of the algorithm, MESOA outperforms NSGA-2 by 5.3%. At last, this paper provides a positive result for equipment selection under the orientation of new quality production.