本文選題：多品種小批量　切入點(diǎn)：拓?fù)潢P(guān)系　出處：《重慶大學(xué)》2015年碩士論文　論文類型：學(xué)位論文

【摘要】：隨著生產(chǎn)力的發(fā)展,制造業(yè)發(fā)生了重大的變化,伴隨著生產(chǎn)技術(shù)的跨越式升級(jí),在基礎(chǔ)產(chǎn)能逐步過剩的基礎(chǔ)下,市場已經(jīng)能夠滿足顧客的基本需求,顧客的需求開始向個(gè)性化外觀和多樣化功能進(jìn)行轉(zhuǎn)變。為了更好的適應(yīng)市場發(fā)展,企業(yè)的生產(chǎn)方式由大批量生產(chǎn)逐漸轉(zhuǎn)變?yōu)槎嗥贩N小批量生產(chǎn)。在新的生產(chǎn)環(huán)境下,產(chǎn)品表現(xiàn)出類型多,批量小的特點(diǎn),而新產(chǎn)品由于沒有準(zhǔn)確工時(shí),對(duì)企業(yè)確定交貨期,成本估算,安排生產(chǎn)等方面造成了嚴(yán)重的影響。為了應(yīng)對(duì)生產(chǎn)方式轉(zhuǎn)變帶來的沖擊,提高企業(yè)的市場競爭力,企業(yè)需要快速、準(zhǔn)確的制定工時(shí),在此情況下,建立一個(gè)能同時(shí)滿足效率和精度的計(jì)算機(jī)輔助工時(shí)定額系統(tǒng)來幫助企業(yè)提升工時(shí)管理水平是一個(gè)亟需解決的問題。本文分析了以往工時(shí)系統(tǒng)的優(yōu)缺點(diǎn),根據(jù)缺點(diǎn)提出改善目標(biāo),然后根據(jù)目標(biāo)建立了一種新的工時(shí)估算方法。首先對(duì)產(chǎn)品進(jìn)行模塊化分解,將產(chǎn)品進(jìn)行分解并進(jìn)行未知工時(shí)的各個(gè)模塊與未知工時(shí)裝配的搜尋,直至找出所有未知工時(shí)部分,然后對(duì)各個(gè)模塊進(jìn)行工時(shí)估算。已知工時(shí)的模塊可以通過對(duì)歷史工時(shí)數(shù)據(jù)庫的查找得出工時(shí);而未知工時(shí)零件則首先根據(jù)拓?fù)潢P(guān)系進(jìn)行相似性匹配,再對(duì)工時(shí)進(jìn)行插值估算;對(duì)于未知工時(shí)裝配,通過數(shù)據(jù)庫查詢和計(jì)算公式進(jìn)行工時(shí)估算。完成各個(gè)工時(shí)載體的工時(shí)計(jì)算后,對(duì)各個(gè)工時(shí)進(jìn)行工時(shí)加和,得出新產(chǎn)品的額定工時(shí)。然后,基于新的工時(shí)定額計(jì)算方法進(jìn)行了工時(shí)系統(tǒng)的開發(fā)。在需求分析的基礎(chǔ)上,按照需求進(jìn)行系統(tǒng)設(shè)計(jì)和模塊化構(gòu)建,對(duì)每個(gè)模塊進(jìn)行開發(fā),建立系統(tǒng)模型并對(duì)數(shù)據(jù)庫進(jìn)行設(shè)計(jì),最后按照系統(tǒng)的設(shè)計(jì)進(jìn)行計(jì)算機(jī)輔助工時(shí)定額系統(tǒng)的開發(fā)。最后,將系統(tǒng)應(yīng)用到某汽輪機(jī)生產(chǎn)企業(yè)的實(shí)際生產(chǎn)中,經(jīng)過對(duì)汽輪機(jī)零件的工時(shí)估算,不僅驗(yàn)證了系統(tǒng)的可靠性,而且有效的提高了企業(yè)的工時(shí)管理水平。
[Abstract]:With the development of productivity, the manufacturing industry has undergone major changes. With the leapfrog upgrading of production technology, the market has been able to meet the basic needs of customers on the basis of the gradual overcapacity of basic production capacity. In order to better adapt to the development of the market, the mode of production of enterprises has gradually changed from mass production to multi-variety and small-batch production. In the new production environment, The products show the characteristics of many types and small batches, but the new products have a serious impact on the enterprises in determining the delivery time, estimating the cost, arranging production and so on because of the lack of accurate man-hours, etc. In order to cope with the impact brought by the change of production mode, To improve the competitiveness of enterprises in the market, enterprises need to set working hours quickly and accurately, in which case, It is an urgent problem to establish a computer-aided man-hour quota system which can satisfy both efficiency and precision to help enterprises improve the level of man-hour management. This paper analyzes the advantages and disadvantages of the previous man-hour system and puts forward the improvement goal according to its shortcomings. Then a new method of estimating work hours is established according to the target. Firstly, the product is decomposed by modularization, and the modules of unknown working hours and the assembly of unknown working hours are searched for until all the parts of unknown working hours are found. The module of known man-hour can get the man-hour by looking up the database of historical man-hour, and the parts of unknown man-hour are matched according to the similarity of topological relation, and then the man-hour is estimated by interpolation. For the unknown man-hour assembly, estimate the man-hour through the database query and calculation formula. After completing the man-hour calculation of each man-hour carrier, add the man-hour to each man-hour, and get the rated man-hour of the new product. Based on the new calculation method of man-hour quota, the man-hour system is developed. On the basis of requirement analysis, the system is designed and modularized according to the requirement, each module is developed, the system model is established and the database is designed. Finally, the computer aided man-hour quota system is developed according to the design of the system. Finally, the system is applied to the actual production of a steam turbine production enterprise. The reliability of the system is not only verified by estimating the man-hour of the steam turbine parts, but also by the calculation of the working hours of the steam turbine parts. And effectively improve the working-hour management level of enterprises.
【學(xué)位授予單位】：重慶大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：TB497;TP311.52

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