本文選題：低碳制造 + 全生命周期��； 參考：《湖南科技大學(xué)》2016年碩士論文

【摘要】：面對(duì)日益加劇的資源環(huán)境問題,低碳制造受到人們的廣泛關(guān)注。制造業(yè)是國(guó)民經(jīng)濟(jì)發(fā)展的支柱產(chǎn)業(yè),但是同時(shí)制造業(yè)也是造成我國(guó)工業(yè)領(lǐng)域能源消耗與碳排放激增的主要源頭。面對(duì)我國(guó)制造業(yè)現(xiàn)狀,如何減少制造過程中的能耗、碳排放,探索出一條低碳制造可持續(xù)發(fā)展之路是我國(guó)制造業(yè)的必然選擇。本文對(duì)典型機(jī)床零部件的碳排放進(jìn)行分析,逐步考慮機(jī)床零部件的生產(chǎn)加工過程的碳排放,再具體到全生命周期過程的碳排放,并具體針對(duì)于磨削工序進(jìn)行了分析,最后通過工序優(yōu)選和加工工藝參數(shù)優(yōu)化,有效地減少碳排放量。首先,本文介紹了課題的研究背景和意義,對(duì)國(guó)內(nèi)外低碳制造、低碳加工工藝參數(shù)優(yōu)化等研究現(xiàn)狀進(jìn)行了綜述。接著對(duì)本課題的主要研究?jī)?nèi)容和論文構(gòu)架進(jìn)行了描述。分析了包括零部件毛坯生產(chǎn)工藝、熱處理工藝以及機(jī)械加工工藝的整個(gè)生產(chǎn)加工過程碳排放情況,建立了基于物料流、能量流、環(huán)境排放流的碳排放量化模型,可用于識(shí)別和分析各個(gè)階段的碳排放情況。結(jié)合某凸輪軸磨床的主軸套筒的生產(chǎn)加工全過程進(jìn)行了碳排放的驗(yàn)證和估算;基于碳排放量對(duì)主軸套筒的加工工藝方案進(jìn)行低碳規(guī)劃,通過工序優(yōu)選可以有效地降低生產(chǎn)加工過程的碳排放量。分析了機(jī)床關(guān)鍵零部件的全生命周期過程及其關(guān)鍵碳排放環(huán)節(jié),分析了機(jī)床零部件生產(chǎn)階段、加工階段、使用階段、回收處理階段、運(yùn)輸階段的碳排放情況,提出了基于產(chǎn)品生命周期的碳排放系統(tǒng)運(yùn)行模型。分析了磨削加工工藝的碳排放情況,通過對(duì)能耗、材料消耗、砂輪損耗和磨削液消耗所產(chǎn)生的碳排放進(jìn)行了量化分析,提出了以去除單位體積所產(chǎn)生的碳排放量為碳效率的低碳制造綜合評(píng)價(jià)指標(biāo),并以主軸的磨削工藝為例進(jìn)行實(shí)驗(yàn)驗(yàn)證。最后通過建立的碳效率模型,結(jié)合加工時(shí)間模型,基于遺傳算法建立了一種以碳效率最優(yōu)、加工時(shí)間最短為目標(biāo)的低碳磨削工藝參數(shù)優(yōu)化模型,以磨削深度,進(jìn)給速度、砂輪線速度為優(yōu)化變量,基于正交試驗(yàn)法的分析結(jié)果驗(yàn)證了模型的可行性,實(shí)現(xiàn)了相關(guān)磨削工藝參數(shù)的優(yōu)化,縮短了加工時(shí)間,提高了碳效率。
[Abstract]:Faced with the increasing problem of resources and environment, low-carbon manufacturing has been paid more and more attention. Manufacturing industry is the mainstay industry of national economy development, but at the same time, manufacturing industry is also the main source of energy consumption and carbon emission surge in China's industrial field. Facing the present situation of our manufacturing industry, how to reduce the energy consumption and carbon emission in the manufacturing process and explore a sustainable development road of low-carbon manufacturing is the inevitable choice of our manufacturing industry. In this paper, the carbon emission of typical machine tool parts is analyzed, and the carbon emission of machining process is considered step by step, and then the carbon emission of the whole life cycle process is analyzed, and the grinding process is analyzed concretely. Finally, carbon emissions are effectively reduced by optimizing process selection and processing parameters. Firstly, this paper introduces the research background and significance of the subject, and summarizes the research status of low carbon manufacturing, low carbon processing process parameters optimization and so on at home and abroad. Then the main research content and the structure of the thesis are described. The carbon emission from the whole production process including parts blank production process, heat treatment process and mechanical processing process is analyzed, and a carbon emission model based on material flow, energy flow and environmental emission flow is established. Can be used to identify and analyze carbon emissions at all stages. Combined with the whole process of production and processing of the spindle sleeve of a camshaft grinder, the carbon emission was verified and estimated, and the low carbon planning of the processing process of the spindle sleeve was carried out based on the carbon emission. The carbon emission from the process can be effectively reduced by process optimization. This paper analyzes the whole life cycle process of the key parts of machine tools and its key carbon emission links, and analyzes the carbon emissions of machine tool parts in the production, processing, use, recovery and handling stages, as well as in the transportation stages. The operating model of carbon emission system based on product life cycle is proposed. The carbon emission from grinding process is analyzed, and the carbon emissions caused by energy consumption, material consumption, grinding wheel loss and grinding fluid consumption are analyzed quantitatively. A comprehensive evaluation index for low carbon manufacturing is proposed, which takes the carbon emissions from unit volume removal as the carbon efficiency index. The grinding process of the spindle is taken as an example to verify the results. Finally, based on the carbon efficiency model and machining time model, a low carbon grinding process parameter optimization model is established based on genetic algorithm, which aims at the best carbon efficiency and the shortest processing time, which is based on the grinding depth and feed speed. The linear speed of grinding wheel is the optimal variable. The analysis results based on orthogonal test verify the feasibility of the model, realize the optimization of grinding parameters, shorten the processing time and improve the carbon efficiency.
【學(xué)位授予單位】：湖南科技大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2016
【分類號(hào)】：TG502.6

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