QC Final - IN THE NAME F ALLAH Sulfuric acid production...

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IN THE NAME F ALLAH Sulfuric acid production process improvement © Copy rights reserved for Lamiss Yola Yasmeen ) Quality Control Summer Course Class2008 ( Dr. Safwan Al. Tarazi 1
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Table Of Contents Content Page Number Executive Summary 3 Introduction 4 Our Goal & Process Model 5 Study Plan 6 Fish-Bone Diagram 7 Data 8 Spc Analysis 9 Investigation & Corrective Actions 17 Capability Analysis 22 Error & ARL Analysis 24 Conclusion 26 Recommendation 27 Manager's Report 28 © Copy rights reserved for Lamiss Yola Yasmeen ) Quality Control Summer Course Class2008 ( Dr. Safwan Al. Tarazi 2
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Executive summary We work as a quality engineering team in a chemicals-manufacturing company, which supplies electric cells manufacturer with chemical materials. Our primary goal is to determine if the process of producing sulfuric acid which the electric cells manufacturer need is stable and in statistical control or not. This will help us to reduce the waste in money and improve our production process to meet costumer needs. We used SPC tools in our analytical study. During our work we discovered that we were in the wrong track and that we chose a wrong sampling number. After correcting our model we analyzed our data and took the corrective actions in order to have an in statistical control process. We didn’t forget to analyze the process with capability analysis ,our process was highly incapable , but with some help from the chemical engineer we came up with a suggestion to change the specifications , at the end of our improvement process we decided to give our manager a brief summary of what is going on , unfortunately he's not a quality engineer! He might not understand the analytical study we came up with . So we gathered some simple information which indicates reducing waste in money and with simple graph we helped him to feel the positive difference . © Copy rights reserved for Lamiss Yola Yasmeen ) Quality Control Summer Course Class2008 ( Dr. Safwan Al. Tarazi 3
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Introduction Who are we ? Why are we doing this project ? We work as a quality engineering team in a chemicals-manufacturing company, which supplies electric cells manufacturer with chemical materials. The main product that we supply the electric cells manufacturer with is sulfuric acid . Our company has to send the sulfuric acid as a chemical solution with specific concentration . The electric cells manufacturer get advantage in least variation in the sulfuric acid solution, so to keep our costumer and improve our production process we have to reduce the variation in sulfuric acid solution by controlling the process with reference to quality control analysis . In the following pages you will find the analysis and results, which we got at the end of our quality improvement process .
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This note was uploaded on 01/05/2011 for the course IE IE377 taught by Professor Hani during the Spring '10 term at German University in Cairo.

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QC Final - IN THE NAME F ALLAH Sulfuric acid production...

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