Moslim, Nor Hafizah
(2009)
A Study On Q Chart For Short Runs.
Masters thesis, Universiit Sains Malaysia.
Abstract
Suatu peralatan yang penting dalam kawalan mutu ialah carta kawalan Shewhart.
Kelemahan carta kawalan Shewhart adalah ia hanya dikhaskan untuk pengeluaran
bervolum tinggi. Walau bagaimanapun, sejak kebelakangan m1, wujud
kecenderungan di kalangan pengeluar untuk menghasilkan lot bersaiz kecil atau
pengeluaran bervolum rendah. Kecenderungan ini disebabkan teknik tepat pada
masa, pengeluaran serentak, penyediaan kerja kedaian, pengurangan inventori dalam
proses dan nilai kos yang semakin dititikberatkan.
An important tool in quality control is the Shewhart control chart. The disadvantage
of a Shewhart control chart is that it is only used for high volume manufacturing.
However, in recent years, there exist a trend among manufacturers to produce
smaller lot sizes or low volume manufacturing. This trend is due to just-in-time
techniques (JIT), synchronous productions, job-shop settings and the reduction of inprocess
inventories and costs.
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