机加工过程一类能耗估算模型的研究

Research on An Estimation Model for Energy Consumption in Machining Process

摘要:

随着低碳制造的兴起，机加工过程中的能量消耗和能量利用率越来越得到重视，能耗已经逐渐成为机加工工艺决策的一个重要指标。传统的能耗估算主要通过机加工过程中的切削力推导而得到，仅能表示材料去除的能耗部分。针对机加工过程中的能量消耗，本文将机加工过程的能耗分为固定能耗、空载能耗和切削能耗三个部分，推导构建一类机加工过程的能耗估算模型，并通过试验完成能耗模型参数的确定。最后以实际铣削加工案例分析表明，在给定切削参数情况下，该模型能够较为准确地计算机加工过程的中的能耗，为后续的工艺参数优化及工艺决策奠定基础。

Abstract:

With the rise of the global low carbon manufacturing，energy consumption and utilization rate of the machining process have drawn increasing attention, and energy consumption has gradually become an important index of the machining process decision. Traditionally, the energy required for the cutting process is estimated based on cutting force prediction equations, this estimation is limited to the energy consumption of the material removal process. This paper divided the energy consumption of the machining process into three parts: fixed energy consumption, no-load energy consumption and cutting energy consumption, an energy consumption estimation model is proposed, parameters are determined by experiments. Finally, an actual milling case is illustrated indicated that the model is able to provide a reliable prediction of energy consumption for given process parameters, which would be the foundation of the subsequent process parameters optimization and process decision.