【摘要】：隨著我國(guó)經(jīng)濟(jì)的持續(xù)快速發(fā)展,中國(guó)汽車(chē)、摩托車(chē)、電動(dòng)助力車(chē)、通信、信息、電力等基礎(chǔ)產(chǎn)業(yè)發(fā)展十分迅速,這些行業(yè)在我國(guó)處于一個(gè)高速成長(zhǎng)期,對(duì)蓄電池的需求日益增長(zhǎng),蓄電池工業(yè)呈持續(xù)、快速增長(zhǎng)趨勢(shì)。D公司作為蓄電池行業(yè)內(nèi)領(lǐng)軍企業(yè),多年來(lái),公司始終專(zhuān)注于通訊、電力、鐵路、航空、軍事、民用等領(lǐng)域,創(chuàng)造了專(zhuān)家營(yíng)銷(xiāo)、綠色營(yíng)銷(xiāo)的模式。近年來(lái),行業(yè)內(nèi)環(huán)保、節(jié)能減排工作的深化推進(jìn),客戶(hù)對(duì)產(chǎn)品的需求越來(lái)越趨向于個(gè)性化、定制化都對(duì)公司大規(guī)模生產(chǎn)情況下的成本管控帶來(lái)巨大的挑戰(zhàn)。企業(yè)人力成本逐年上升與產(chǎn)品價(jià)格逐年下降,使得企業(yè)贏利空間越來(lái)越小。因此,如何不斷改進(jìn)產(chǎn)品質(zhì)量、減少內(nèi)部質(zhì)量損失、降低生產(chǎn)成本及提高客戶(hù)滿(mǎn)意度是當(dāng)前D公司關(guān)注的核心問(wèn)題。本文以現(xiàn)代質(zhì)量改進(jìn)技術(shù)為理論依據(jù),基于質(zhì)量管理方法,以D公司生產(chǎn)過(guò)程為研究對(duì)象,首先對(duì)D公司目前的質(zhì)量管理現(xiàn)狀進(jìn)行論述,對(duì)生產(chǎn)過(guò)程中的產(chǎn)品質(zhì)量問(wèn)題進(jìn)行分析,結(jié)合Pareto圖,確定當(dāng)前影響D公司產(chǎn)品質(zhì)量及成本管控的主要工序一板柵鑄造工序。其次,通過(guò)直方圖、帕累托圖找出影響板柵鑄造質(zhì)量缺陷的主要因素-合金渣多,確定研究課題。隨后組建板柵質(zhì)量改進(jìn)項(xiàng)目團(tuán)隊(duì),開(kāi)展QC活動(dòng),采用頭腦分暴法、因果圖、直方圖等相關(guān)統(tǒng)計(jì)技術(shù)及質(zhì)量分析改進(jìn)工具對(duì)影響蓄電池板柵合金出渣率的問(wèn)題進(jìn)行了原因分析,結(jié)合對(duì)現(xiàn)場(chǎng)的深入調(diào)查、生產(chǎn)驗(yàn)證、實(shí)驗(yàn)設(shè)計(jì)等方法找出主要影響因素,優(yōu)化現(xiàn)行工藝參數(shù),并對(duì)“人、機(jī)、料、法、環(huán)”等方面影響因素進(jìn)行了改進(jìn)對(duì)策的實(shí)施和驗(yàn)證。最后,結(jié)合對(duì)此次質(zhì)量改進(jìn)項(xiàng)目改進(jìn)的實(shí)施過(guò)程及取得的成效,總結(jié)質(zhì)量改進(jìn)活動(dòng)的經(jīng)驗(yàn),并指明了下一步改進(jìn)的方向。本文的研究結(jié)果不僅為D公司質(zhì)量改進(jìn)活動(dòng)制定了解決方案和實(shí)施策略,對(duì)公司提高產(chǎn)品質(zhì)量具有重要作用。同時(shí)也為類(lèi)似蓄電池制造企業(yè)實(shí)施質(zhì)量改進(jìn)提供了可借鑒的經(jīng)驗(yàn)和操作方法。
[Abstract]:With the sustained and rapid development of China's economy, the basic industries of China, such as automobiles, motorcycles, electric boosters, communications, information, electricity, and so on, are developing very rapidly. These industries are in a period of rapid growth in our country. The demand for batteries is increasing day by day, and the battery industry is growing continuously and rapidly. As a leading enterprise in battery industry, company D has been focusing on communication, power, railway, aviation, military, civil and other fields for many years. Created expert marketing, green marketing model. In recent years, with the deepening of environmental protection, energy saving and emission reduction in the industry, customers' demand for products is becoming more and more individualized. Customization brings huge challenges to the cost control of the company under the circumstance of large-scale production. The enterprise labor cost rises year by year and the product price drops year by year, which makes the profit space smaller and smaller. Therefore, how to continuously improve product quality, reduce internal quality loss, reduce production costs and improve customer satisfaction are the core issues concerned by D Company. Based on the theory of modern quality improvement technology and the method of quality management, this paper takes the production process of company D as the research object, and discusses the current situation of quality management in company D at first. Based on the analysis of product quality in production process and Pareto diagram, the grid casting process, which is the main process that affects the product quality and cost control of D Company, is determined. Secondly, through histogram and Pareto diagram, we find out the main factors that affect the quality defect of grid casting-alloy slag, and determine the research subject. Then a grid quality improvement project team was set up to carry out QC activities. The causes of the problems affecting the slag yield of the battery grid alloy were analyzed by using the relevant statistical techniques, such as brain-splitting method, causality diagram and histogram, and quality analysis and improvement tools. Combined with the field investigation, production verification, experimental design and other methods to find out the main factors, optimize the current process parameters, and "people, machines, materials, methods, ring" and other aspects of the impact factors to improve the implementation and verification of countermeasures. Finally, combined with the implementation process of the quality improvement project and the results obtained, the experience of the quality improvement activities is summarized, and the direction of the next improvement is pointed out. The results of this paper not only make a solution and implementation strategy for the quality improvement activities of company D, but also play an important role in improving the quality of products. At the same time, it also provides experience and operation methods for similar battery manufacturing enterprises to implement quality improvement.
【學(xué)位授予單位】：南京理工大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類(lèi)號(hào)】：F273.2;F426.6

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