dell名詞說(shuō)明(參考版)
2025-01-08 07:45本頁(yè)面
【正文】 Page :22Dell 名詞說(shuō)明 :VLRR :Verified Line Reject Rate 文 :確認(rèn)後的線上不良批退率 :The rate of verified defects for the modity line replacement rate based on EMR and Supplier test results for a specified date range (in DPPM). VLRR = Qty of Comm. Verified / (Qty of Comm. Shipped + Qty of Comm. Verified) x 1,000,000EMR :Electromechanical Repair DPPM:Defective Parts Per Million Page :23Dell 名詞說(shuō)明 :IFIR :Initial Field Incident Rate 文 :初期市場(chǎng)批退率 :The percentage of modity replaced within the first 30 days from product invoice date (in DPPM).IFIR = Qty of Comm. Replaced / Qty of Comm. Shipped x 1,000,000 Page :24Dell 名詞說(shuō)明 :MTBF :Mean Time Between Failures 文 :平均故障間隔時(shí)間 :異常工時(shí) (故障 /修理時(shí)間 )關(guān)機(jī)t1 t2 t3 t4ta tb tc開(kāi)機(jī)稼動(dòng)時(shí)間T(負(fù)荷時(shí)間 )g MTBF： 可修理系統(tǒng)、機(jī)器、零件等兩個(gè)相鄰故障之間動(dòng)作時(shí) 間之平均值 MTBF = 總稼動(dòng)時(shí)間 / 總故障次數(shù) =(負(fù)荷時(shí)間－總故障時(shí)間 )/總故障次數(shù)
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