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Assessing the quality of Product using statistical quality control maps: a case study"
تقييم نوعية المنتج الإحصائي باستخدام خرائط مراقبة الجودة: دراسة حالة "

Authors: Sahab Dia Mohamed صباح ضياء محمد --- Alla Talal Yassin علاء طلال ياسين --- .Abas Mukbel baarz عباس مقبل
Journal: Diyala Journal For Pure Science مجلة ديالى للعلوم الصرفة ISSN: 83732222 25189255 Year: 2012 Volume: 8 Issue: 1 Pages: 20-32
Publisher: Diyala University جامعة ديالى


Statistical process control (SPC) involves measurements of process performance that aim to identify common and assignable causes of quality variation and maintain process Performance within specified limits. it is fashionable buzzword in manufacturing industry. Manufacturing organizations need to improve quality while decreasing costs and increasing production volumes with fewer resources. [1] As competitive pressure has been steadily rising. These studies aimed to assess production quality in the plant, in this research we have about (15) sample of product in 2 weeks each one content 3 sub sample. We apply the (R-bar(,) S-bar( &pooled standard deviation. [2], [3], [4] [5] analyzing data collection by using MINTAB present that the production did not mach the specification that the plant management wanted to achieve. The underlying goal of the study is to reduce the variations and rejections in a critical process. The objective of this paper is to monitoring the quality of Product using statistical quality control maps; explain the concept of statistical process control and its application in a manufacturing industry to improve the quality levels. [6]

يهدف البحث الی تقييم جوده الانتاج في احدي معامل الالبان اذا تم سحب (15) عينه من انتاج هذا المعمل خلال اسبوعين متتالين وکل عينه تضمنت ( 3) عبوات من منتج المعمل . تم اعداد خريطه مراقبه جوده الانتاج للمتوسط لمنتج المعمل باستخدام (R-bar) و ( X-bar) والانحراف المعياري المشترک التجميعي pooled standard deviation . اوضحت خريطه مراقبه جوده الانتاج لمنتج المعمل ان الانتاج لايسير وفقا لمواصفات الجوده المحدده من جانب اداره المعمل حيث وجد ان العينه رقم (13) قد تجاوزت الحد الادني للمراقبه. کما و يهدف البحث في ان يکون عونا للعاملين في مجال جوده الانتاج في تاديه عملهم بکفائه وفاعليه .

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