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常有許多特性是對(duì)品質(zhì)非常重要或 關(guān)鍵性的 除了公式以外 , Sigma σ是 甚 麼 ? Site: Multek Asia Site : If the sigma value is large it tells us there is a lot of variability in the product. 如果 σ值是大 , 則表示產(chǎn)品內(nèi)之差異非常大 . If the sigma value is small, then the product has very little variability and thus, very uniform. 如果 σ值是小 , 則表示產(chǎn)品內(nèi)之差異不大 , 非常一致 . Sigma σ值代表甚麼 ? Site: Multek Asia Site : Specified Limit 0 0 1? 2? 3? 1? 2? 3? 6? 4? 2? 4? 6? 2? Process Tolerance Specified Limit Process Tolerance Sigma σ對(duì)於工藝之影響 Site: Multek Asia Site : 甚 麼 是 6 Sigma ? 1. 6 Sigma (6σ) is an optimized level of performance approaching zerodefect in a process producing a product, service or transaction. 6 Sigma (6σ)是 一信心水平 ,作為評(píng)核產(chǎn)品製造 ,服務(wù)或其 它業(yè)務(wù)對(duì)迖到零次品之表現(xiàn) 2. It indicates achievement and maintenance of worldclass performance. 3. 它標(biāo)誌著迖到及保持著世界級(jí)之表現(xiàn) Site: Multek Asia Site : Six Sigma the Benchmark Six Sigma is used as a benchmark to pare the quality level of processes, operations, products, characteristics, equipment, machines, divisions, and departments, to many a few. 6 ?是一個(gè)品質(zhì)水平標(biāo)示 6 ?可以用於比較工藝 , 運(yùn)作 , 產(chǎn)品 , 特性 , 設(shè)備 ,機(jī)器 , 區(qū)域 , 部門 , 以至很多方面 , 標(biāo)示著所達(dá)到之品質(zhì)水平 What 6 Sigma can be ? 6 ? 可以 是甚麼 ? Site: Multek Asia Site : Six Sigma is also a quality goal The goal of Six Sigma is to get very close to zero defects, mistakes or errors. But it is not necessarily zero, it is actually partspermillion defective, defect per million, errors per million, ppm, or for all practical purposes zero. 6 ?是一個(gè)品質(zhì)目標(biāo) 6 ?之目標(biāo)是追求貼近零次品 , 沒(méi)有錯(cuò)誤 , 誤差 . 但不一定是零 , 因?yàn)榧航?jīng)達(dá)到百萬(wàn)分之零點(diǎn)零零二之次品率水平 , 簡(jiǎn)稱 ppm, 近乎實(shí)際上之零 . 6 Sigma can also be what? 6? 也可以 是甚麼 ? Site: Multek Asia Site : PPM