تصميم نظام التصنيع الرشيق باستخدام خارطة تدفق القيمة وتأثيره في تحسين الانتاجية

Design of lean manufacturing system By using value stream mapping And Its Impact on Productivity Improvement

The present study aims to design a system for Lean Manufacturing system by using one of its most important tools , namely, the value stream mapping  to identify, remove or simplify steps and activities that do not add value as a method of improving productivity in the organization. In the detection of different areas of waste that caused long waiting times negatively affected the productivity of the plant.

   The intellectual problem of the study was that it was possible to rely only on the results provided by the value stream mapping in the analysis of the current process and the diagram of the future situation (suggested). The simulation should be used along with the value stream mapping to obtain more accurate results. The practical problem of the study was the length and number of activities and procedures adopted in manufacturing the frame size (1200-20) and size (1200-24) and the lack of proper arrangement of such activities and procedures, which led to long waiting times, high cost and low productivity.

    The study depends on the current value stream mapping  by using one of its tools, the process activity map, for the purpose of identifying the areas that suffer from waste and removing it or reducing it as much as possible, and suggesting improvements that contribute to improving productivity. For more accurate results, Assess the current situation in the light of the information provided by the current value stream mapping, and draw a future situation (proposed) in the light of the future value stream  mapping(proposed)  information.

    The study followed the simulation-based case study methodology based on the use of the Arena program in AL- Diwaniyah Tire Factory and collected the data and information through the field interviews and interviews conducted by the researcher with the officials in the factory and determining the current operations and activities of the study sample of the manufacture of tire size 1200-20 and 1200-24, has been used some statistical methods to complete the practical side of the study and to contribute to reducing the waiting times and the amount of storage under. One of the most important conclusions of the study:

   1-There is a large waste of time and effort in the factory due to the length of procedures followed, and not to arrange the activities and procedures correctly and according to priority, and adherence to the old procedures and methods, which leads to the loss of a large part of the time of the process could be better investment in activities.