تصميم نظام التصنيع الرشيق باستخدام خارطة تدفق القيمة
دراسة حالة في مصنع اطارات الديوانية
الملخص
تهدف هذه الدراسة إلى تصميم نظام للتصنيع الرشيق باستعمال احد اهم ادواته الا وهي خارطة تدفق القيمة في تحديد وإزالة أو تبسيط الخطوات والانشطة التي لا تضيف قيمة كأسلوب لتحسين الانتاجية في المنظمة موقع الدراسة ، اذ مكن استعمال خارطة تدفق القيمة في مسار تصنيع الاطار في المصنع موقع الدراسة في الكشف عن مختلف مناطق الهدر التي سببت اوقات انتظار طويلة اثرت سلباً في إنتاجية المصنع.
تمثلت المشكلة التطبيقية للدراسة في طول وكثرة الانشطة والاجراءات المعتمدة في تصنيع الاطار ذات الحجم (1200-20) ، مما ادى إلى طول اوقات الانتظار وارتفاع الكلفة وانخفاض الانتاجية .
اعتمدت الدراسة في جانبها التطبيقي في تحليل الوضع الحالي في المنظمة موقع الدراسة لخط تصنيع الاطار (ذات الحجم 1200-20 ) عن طريق خرائط تدفق القيمة الحالية عن طريق استعمال احد ادواتها وهي خارطة نشاط العملية .
اتبعت الدراسة منهج دراسة الحالة في مصنع اطارات الديوانية ، وجُمعت البيانات والمعلومات عن طريق المعايشة الميدانية والمقابلات التي اجراها الباحثين مع المسؤولين في المصنع وتحديد العمليات والانشطة الحالية لعينة الدراسة المتمثلة بخط تصنيع الاطارات ذات الحجم 1200-20 ، وكان من اهم الاستنتاجات التي توصلت اليها الدراسة :
- اثبتت الدراسة ان استعمال خارطة تدفق القيمة المستقبلية (المقترحة) يسهم في تخفيض اوقات ( اضافة القيمة ، عدم اضافة القيمة ،العملية ،الانتظار، وقت الدورة ، وخزين تحت التشغيل ) في المصنع عينة الدراسة ، فضلا عن خفض التكاليف وتحسين الانتاجية.
ومن اهم التوصيات التي توصلت اليها الدراسة :
- ضرورة تطبيق خارطة تدفق القيمة في المصنع للاستفادة من المعلومات التي توفرها عن الانشطة والاجراءات التي لا تضيف قيمة ما يسهم بشكل كبير في تحديد الهدر والقضاء عليه .
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D-Conferences
- Howell, G.A. (1999).What is lean construction-1999?. Seventh Conference of the International Group for Lean Construction, University of California, Berkeley, CA.USA,7,1-10.
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التنزيلات
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إصدار
القسم
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الحقوق الفكرية (c) 2024 محمود فهد عبد علي الدليمي ، بشرى عبد الحمزة عباس الربيعي
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