| Summary: | 碩士 === 國立成功大學 === 工業與資訊管理學系碩士在職專班 === 107 === Business corporation enhanced self-capability in quality control and customer satisfactionin competitive market condition. The key factor of order maintaining and profit earning is in how to seek outstanding quality. It is very important to select available vendors from stability
quality performance and constant raw material supplying. Process capability index can evaluate what quality material must achieve standard.
Process Capability Index Spk exactly identifies yield evaluation and process performance. It effectively shows real condition from standard deviation and mean calculation of statistics method. We use it to assess every process quality and also assure manufacture flow and product guarantee.
We imported Index Spk hat to figure out two requirements in this topic study. First, what probability will product be accepted although company can’t approve from weak supplier
process capability. Second, when vendor built up better process capability and qualified by company, we have image to permit good product percentage. We applied statistical inference to create normal sample number and rejection region to verify supplier process capability and product quality.
Company used suitable sample number extraction to judge what quality supplier must provide and fulfill factory’s claim. In this way, we speed up incoming quality control
duration time and also shorten time to release into inventory and downsize inspection work force. We finally promote flexibility space planning when operation zone will be released.
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