中文摘要：

在对机床构成及其生命周期特点进行分析的基础上,基于生命周期评价原理提出了一种机床生命周期碳排放评估方法,用于定量描述和计算机床生命周期各阶段碳排放量,并分析其影响特性。该方法将机床生命周期碳排放阶段划分为制造阶段、使用阶段、运输阶段和回收处理阶段;将碳排放特性划分为固定排放和变动排放,建立了线性特性方程;采用碳排放效率描述机床碳排放变动特性。结合普通数控滚齿机床与高速干切自动滚齿机床的碳排放计算和特性分析,对所提方法进行了说明验证。

英文摘要：

According to the analysis of product structure and life cycle characteristics of machine tools,a method for assessing the carbon emissions of machine tools lifecycle was introduced based on the principles of Life Cycle Assessment（LCA）.It was used to describe and calculate the carbon emissions of machine tools lifecycle in different stages quantitatively,and the influencing characteristics of life cycle stages was also analyzed.This method divided carbon emission of machine tools lifecycle into four stages,manufacturing,using,transporting and recycling.It also divided carbon emission characteristics into fixed emissions and varied emissions.The linear functions were established.Carbon emission efficiency was proposed to describe changing feature for carbon emission of machine tools.The validity of the method was demonstrated by the calculation and characteristic analysis of carbon emissions combined common numerical control gear hobbing machine tool with a high-speed dry cutting one.