運用精實管理原則於煉鐵廠高爐開爐準備工作流程之研究

吳耿名

doi:10.6844/NCKU.2015.01550

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運用精實管理原則於煉鐵廠高爐開爐準備工作流程之研究

The Use of Lean Management Principles for the Blast Furnace Blow-in Preparation Process from Iron-making Manufacturing

吳耿名 , Masters　　Advisor：楊大和　　

繁體中文 DOI： 10.6844/NCKU.2015.01550

精實管理；價值流圖；高爐； Lean Management ； Value Stream Map ； Blast Furnace

Abstract │ Reference (20) │ Altmetrics

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Steel industry is one of the important foundation industries, it also significantly affect  Taiwan's economic. In this case study, the steel company has four blast furnaces, each furnace shuts down every four months for regularly repair. Therefore, shortening the blow-in preparation time can save costs and increase productivity.

This study that based on lean management principle uses value stream map and 5S method to remove the waste of the blast furnace blow-in preparation process from Iron-making manufacturing. Comparing the current-state value stream map with future-state value stream map shows the lead time is shorten from 92.3 minutes to 65.6 minutes, and the manpower is saved from 12 persons to 6 persons. After implement Seiri and Seiton, people put the mark on the stuff for name, limit of inventory and location. Thus, operator can easily find tools and work faster. Doing Seisou and Seiketsu keeps work site clean and clear. People can work in a comfortable condition and feel respected.

In conclusion, this study tries to prove that lean management principle can also be used in steel industry which is a large-volume and small-variety production to shorten the blast furnace blow-in preparation time. If top management determine to introduce lean management principle into company and make a successful case to be a model, lean thinking can be spread in the others field. Therefore, the waste will be eliminated and the competitive power will be enhanced.

Reference ( 20 ) 〈TOP〉

楊大和、謝瓊嬉（2008），電子業向汽車業取經－精實生產在TFT-LCD產業成功的應用，品質月刊（44:9），頁 59-65，中華民國品質學會。
連結：
楊大和、謝瓊嬉（2008），綜觀『精實系統』的原理、工具及組織，品質月刊， 44:11，頁 49-55，中華民國品質學會。
連結：
謝瓊嬉（2010），應用模擬最佳化與價值流圖於精實拉式生產之研究（博士論文），臺南市：國立成功大學製造資訊與系統研究所。
連結：
成沢俊子（2009），李兆華譯，大家來學TPS：豐田改善直達車，臺北市：中衛發展中心。
下川浩一、藤本隆宏（2005），李朝森譯，豐田系統的原點 : 開拓者口中的起源與進化，臺北市：中衛發展中心。

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