Six Sigma Methodology In Manufacturing Industries
A Review on Six Sigma Methodology in Manufacturing Industries Chandrakala Sao1*, Dr. Sridhar K2 1Asst.Professor,,Dept.of Mechanical Engg. CSIT,Durg. Chandrakalasao2010@gmail.com 2Professor in MechanicalEngg.CSIT,Durg. anusrinaga@gmail.com ABSTRACT Six Sigma has evolved as a powerful quality improvement methodology in many industries and its importance is growing. This paper presents that the concept of Six Sigma, DMAIC methodology used to implementation of Six Sigma especially for manufacturing industries. And some issues that are acting as critical successful factors for implementation of Six Sigma by manufacturing industries have been discussed. This paper describes the methodology, implementation and benefits of Six Sigma. At last some …show more content…
The most important assumptions are that each process can be characterized by a normal distribution but in real non-normal distribution are present. In this case the actual defect rate is higher than the predicted rates. Another assumption is that a 1.5 shift in the process mean is likely to occur and design goal of 6 is necessary to provide a safe margin against such shifts [16]. But generally 6 processes are under statistical control. Hence these shifts are detected at first opportunity or soon. Hence it is always not necessary to assume the mean shift. Final assumption is that defects are randomly distributed throughout units and process steps which are independent of each other. This may not be true in always such cases poison distribution for computing the defect rates and process yield might become …show more content…
Linking Six Sigma program to employees will help in getting better cooperation from employees, improved work culture and boost morale. Linking Six Sigma with the suppliers will help in supplier participation in design the products, reducing product development cycle, which shall result in the effective implementation of Six Sigma. Sharing Six Sigma problem solving tools and techniques will allow for employee development and help create a climate and systems for employee motivation. Organizations can gain much by volunteering to implement Six Sigma rather than waiting for it to be imposed
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