面向产品设计的机械零件切削加工工艺绿色性评价方法的研究

发布时间：2019-02-23 09:47

【摘要】：面对全球变暖等环境资源问题,节能减排已成为世界各国的共识。由于机电产品的设计阶段对其生命周期起着决定性作用,因此从设计源头就充分考虑产品全生命周期的碳排放具有重要意义。本论文从机械制造工艺路线的拟定过程出发,对机械制造工艺与碳排放的关联开展研究,推导整理出适合机械制造工艺过程碳排放计算的公式,并基于此提出了一种机械零件冷加工工艺绿色性评价方法,通过实例对提出的评价方法进行应用验证及数据分析。本文的主要研究内容如下:(1)分析机械制造工艺路线的拟定过程,对典型机械零件的加工工艺数据进行了分类归纳整理;通过轴类零件对机械零件加工工艺路线的各个步骤进行了实例分析,研究了机械制造工艺数据与碳排放间的关联关系。(2)通过分析比较国内外有关碳排放的理论,选择适合本文研究应用的理论:从机械零件下料到成品的整个过程的碳排放,包括机床切削工艺过程的碳排放、电能消耗引起的碳排放、刀具消耗引起的碳排放、切削液消耗引起的碳排放、废屑处理引起的碳排放,并为各项碳排放推导了计算公式。结合实际零件的加工工艺路线及切削参数对该计算模型进行应用验证。(3)提出一种机械零件冷加工工艺绿色性评价方法:该评价方法以碳值作为评价指标,一条工艺路线的碳值即为该机械零件由下料到成品的整个过程的各项碳排放值之和。碳值越低,该机械零件冷加工工艺绿色性越高。结合实例对工艺路线的绿色性进行评价,并通过MATLAB软件对计算所得数据进行分析。
[Abstract]:In the face of global warming and other environmental resources, energy conservation and emission reduction has become the consensus of the world. Since the design stage of mechanical and electrical products plays a decisive role in their life cycle, it is of great significance to consider the carbon emission from the source of the whole product life cycle. In this paper, the relationship between mechanical manufacturing process and carbon emission is studied from the process of drawing up the process of mechanical manufacturing, and the formula for calculating carbon emission suitable for mechanical manufacturing process is deduced and sorted out. Based on this, a green evaluation method for cold machining process of mechanical parts is put forward, and the application verification and data analysis of the evaluation method are carried out through an example. The main contents of this paper are as follows: (1) analyze the process of drawing up the process of mechanical manufacturing, and classify and sort out the processing data of typical mechanical parts; Through the analysis of various steps of machining process route of mechanical parts by shaft parts, the relationship between the data of mechanical manufacturing process and carbon emission is studied. (2) the theory of carbon emission at home and abroad is analyzed and compared. Choose the theory suitable for the research and application of this paper: the carbon emissions of the whole process of finished products are expected from the mechanical parts, including the carbon emissions of the cutting process of machine tools, the carbon emissions caused by electric energy consumption, the carbon emissions caused by the consumption of cutting tools, The carbon emission caused by cutting fluid consumption and the carbon emission caused by waste chip treatment, and the calculation formulas for each carbon emission are derived. The application of the model is verified by combining the machining process route and cutting parameters of practical parts. (3) A green evaluation method for cold machining process of mechanical parts is proposed. The evaluation method takes carbon value as the evaluation index. The carbon value of a process route is the sum of the carbon emission values of the whole process of the finished product. The lower the carbon value, the higher the green property of the cold working process. The green property of the process route is evaluated with an example, and the calculated data are analyzed by MATLAB software.
【学位授予单位】：山东建筑大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：TG506

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