本文關(guān)鍵詞： 快速換模技術(shù) 關(guān)鍵路徑法 5W1H分析法 ECRS分析法　出處：《華南理工大學(xué)》2015年碩士論文　論文類型：學(xué)位論文

【摘要】：E公司是一家建筑陶瓷墻地磚生產(chǎn)企業(yè)。進(jìn)入二十一世紀(jì)以來,隨著行業(yè)內(nèi)競爭加劇,以及市場需求向多樣化和個性化轉(zhuǎn)變,傳統(tǒng)的大批量生產(chǎn)方式已經(jīng)不能適應(yīng)市場需求的變化,積壓了大量的產(chǎn)品庫存,增加了企業(yè)經(jīng)營的負(fù)擔(dān)。在此背景下,E公司的生產(chǎn)方式轉(zhuǎn)向了多品種小批量生產(chǎn),生產(chǎn)線頻繁切換產(chǎn)品種類、每批次產(chǎn)品的生產(chǎn)規(guī)�？s小。由于E公司產(chǎn)品的種類是由成型工序決定的,因此生產(chǎn)線的切換主要發(fā)生在成型工序。多品種小批量的生產(chǎn)方式提升了E公司的市場響應(yīng)能力,降低了產(chǎn)品庫存,但生產(chǎn)線頻繁進(jìn)行切換增加了停機(jī)時間,導(dǎo)致生產(chǎn)成本上漲,因此必須通過縮短換線時間來彌補(bǔ)停機(jī)損失、降低生產(chǎn)成本。針對這一課題,本文應(yīng)用項目管理中的關(guān)鍵路徑法,以及精益生產(chǎn)中的快速換模技術(shù)對E公司成型工序的換線過程進(jìn)行了研究。本文以E公司發(fā)生次數(shù)最為頻繁的更換粉料類型的換線過程作為研究對象,通過實(shí)地調(diào)研,識別出換線過程的作業(yè)流程、作業(yè)內(nèi)容和作業(yè)方法,并記錄作業(yè)時間、作業(yè)人員等數(shù)據(jù)。在此基礎(chǔ)上,運(yùn)用關(guān)鍵路徑法找出更換粉料類型換線過程中的關(guān)鍵路徑。關(guān)鍵路徑?jīng)Q定了換線時間,只有縮短關(guān)鍵路徑耗用的時間才能縮短整個換線時間。針對該關(guān)鍵路徑,本文運(yùn)用快速換模技術(shù)的理論和方法進(jìn)行了改善。改善的基本思路是將關(guān)鍵路徑上的作業(yè)區(qū)分為內(nèi)部作業(yè)與外部作業(yè),并盡可能地將內(nèi)部作業(yè)轉(zhuǎn)換為外部作業(yè),以減少換線過程的作業(yè)量,縮短換線時間。對于不能轉(zhuǎn)換的內(nèi)部作業(yè),運(yùn)用5W1H分析法和ECRS分析法,從流程優(yōu)化,方法改進(jìn)、人員合理配置等方面采取措施來減少作業(yè)時間,從而縮短換線時間。最后對改善后的效果進(jìn)行評價,以期鞏固改善結(jié)果,提升E公司對生產(chǎn)現(xiàn)場的管理水平。
[Abstract]:Since 21th century, with the increasing competition in the industry and the diversification and individuation of market demand, E Company is a manufacturer of ceramic tiles. The traditional mass production method can no longer adapt to the change of market demand, and it has overstocked a lot of products and increased the burden of enterprise management. Under this background, the mode of production of E Company has turned to multi-variety and small-batch production. The production line frequently switches product types, and the production scale of each batch of products is reduced. Since the product types of E Company are determined by the molding process, Therefore, the switching of production line mainly takes place in the molding process. The multi-variety and small batch production mode enhances E Company's market response ability and reduces the product inventory, but the frequent switching of the production line increases the downtime. As a result of the increase in production cost, it is necessary to make up for the downtime loss and reduce the production cost by shortening the line changing time. In view of this problem, this paper applies the critical path method in project management. And the rapid mold changing technology in lean production is used to study the process of changing lines in the forming process of E Company. This paper takes the changing process of powder type, which is the most frequently occurred in E Company, as the research object, and through the field investigation, Identify the operation process, job content and operation method of the line changing process, and record the data of the operation time, the operator, etc. On this basis, Using the method of critical path to find out the critical path in the process of changing the powder type, the critical path determines the time of changing the line, and the whole time of changing the line can be shortened only by shortening the time consumed by the critical path. In this paper, the theory and method of rapid mold changing technology are used to improve. The basic idea of the improvement is to divide the jobs in critical paths into internal and external jobs, and to convert internal jobs into external jobs as much as possible. In order to reduce the amount of work done and shorten the time of changing lines, 5W1H analysis method and ECRS analysis method are used to reduce the operation time in the aspects of process optimization, method improvement, reasonable staffing, etc. Finally, the effect of the improvement is evaluated in order to consolidate the improvement results and improve the management level of E Company on the production site.
【學(xué)位授予單位】：華南理工大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：F273;F426.92

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