D公司蓄電池板柵鑄造質(zhì)量改進研究
[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)位級別】:碩士
【學(xué)位授予年份】:2014
【分類號】:F273.2;F426.6
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