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楊士震02

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應用六標準差於自行車碟煞盤平面度製程改善之研究

A study of implement Six Sigma to improve the flatness of bicycle brake disc

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Keywords：六標準差、DMAIC、平面度

Six Sigma .DMAIC.flatness

Abstract：本論文以自行車碟煞盤製程為例，應用六標準差DMAIC手法來改善自行車碟煞盤平面度、降低產品不良率，本研究利用六標準差DMAIC管理步驟-定義(Define)、衡量(Measure)、分析(Analyze)、改善(Improve)、控制(Control)等五個階段，針對自行車碟煞盤製程：素材納入、沖壓、熱處理、拋光研磨、檢查等步驟進行研究，研究結果顯示自行車碟煞盤平面度的優劣主要取決於熱處理工程，研究期間藉由改變熱處理工程之機台條件參數，將熱處理工程之平面度由0.98mm降低至0.4mm。應用六標準差DMAIC手法除了可以達到降低不良率的目標外，更能夠維持製程變異的穩定及績效。In this study,the six standard deviation DMAIC technique is used to improve the flatness of bicycle brake disc.Employing the management steps of six standard deviation DMAIC;define measure,analyze,improve and control,the processing of bicycle brake disc:the raw material input,the stamping,the heat treatment,the polishing attrition and product inspection are analyzed.The experimental results show that the flatness of bicycle brake disc is mainly dependent on the heat treatment processing.The flatness of bicycle brake disc can be reduced from 0.98mm to 0.4mm with the variation of process parameters of heat treatment processing.The defective product can be reduced by the implement of six standard deviation technique,and the stable processing variation and good quality can be also achieved.

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