Adjust And Control The Production Process By Using The Statistical Control Charts Applied Case On Jood Factory For Assembly Electrical Tools


Abstract in English

This research deals with study and analysis the issue of adjust and control the production process by using the Quality Control Charts (Control Panels) for variables , in order to measure products quality during production process , by knowing deviations amount occurring in production process , causes, time and place deviation then take appropriate corrective actions. the quality control charts show graphic measurements over time and show the lower, central, and upper limits of the process that we want to control and quality control in order to distinguish between natural changes that caused by general reasons inherent in the process and the changes that caused by specific reasons. The research focuses on kinds of Quality Control Charts, the case have been applied on Jood Factory for assembly electrical tools, such as Control Charts for variables which includes Average chart ( X ̅- chart ) , standard deviation chart (s ̅ – chart), range chart (R – chart), and units chart (X– chart), the control lines were drawn by using SPSS program. The research concludes realistic results confirm that the company doesn't have an application of statistical techniques in quality control such as Quality Control Charts and there isn't clear scientific method according to athletic basis followed in process control. Jood company has certificates of Syrian and European standards of quality control so it had to be a recommendation for the company related to use statistical control charts in all production stages , and put periodic developmental specialist training programs in quality control field with the need to include a statistical cadre to staff working in the company, and the importance of measuring process capability to make sure of its abilityto achieve quality within the specified standards, and use control limits of six standard deviation about process average.

References used

Heizer , Jay & Rander ,Barry , Production & Operations Management /Startegies &Tactics/ Third edition , 1993,Prentice-Hall, Inc, Englwood Cliffs ,New Jersey ,USA
Feigenbaum, Armand V. Total Quality
Montgomery, Douglas C, Introduction to statically Quality Control, 2005,5th edition, John Wili &SonsInc

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