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  • 學位論文

品管圈活動於車手架鍛造品不良率之改善

QCC Activity for the Improvement on Defective Rate of Forging Stems

指導教授 : 許俊欽
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摘要


自行車產業互相競爭的環境下,在創新、品質的要求上會越來越高。要符合創新、好的品質條件,不外乎要提高新技術能力,人員對品質的要求。本公司新技術鍛造品製程中,車手架鍛造品的不良率偏高,故在製程面、品質面應將不良之顯在與潛在因素、真因究明,進行改善並建立相關標準。 本研究目的最主要是探討如何運用品管圈(Quality Control Circle,QCC)之建立,並使用QC¬-Story之手法及QC七大手法等工具,進行改善車手架鍛造過程中的不良,技術再提升,因應車手架鍛造製程不良率對製程提出改善方法,進而使良率提升,達到較佳良率之方法做研究分析,並建立相關之良品條件。 經由此改善,將原本作業異常不良7%,降低至0.6%,不僅不良率大幅降低,亦提升3D鍛造產能,並將本研究之改善對策建立成標準流程,使交貨更順暢。 關鍵字:要因分析、問題解析、真因驗證、要因關聯圖。

並列摘要


Under competitive environment in bicycle industries, the requirements for innovation and quality become more and more high. In order to meet the conditions of innovation and good quality, the technical ability and self-demanding on quality needs to be elevated. The defective rate on stem production is very high in new technical forging manufacturing process. In aspect of production and quality, the potential and external causes should be looked into and found out. We should proceed with improvement and set up related standard. The purpose of the research is to discuss how to establish Quality Control Circle, QCC. The defect of forging manufacturing process can be improved by implementing QC-Story and QC7 tools and etc… Proposing solution to manufacturing process achieve better yield, then build up related conditions for none-defective product. The original defective rate 7% decrease to 0.6% by this improvement. This not only lower defective rate, but also increase 3D forging capacity. The countermeasure of the research is established as SOP which can make delivery on time. Keywords:Cause Analysis, problem analysis, Really verified, To associate graphs.

參考文獻


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