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Finding and Selecting Good Six Sigma Projects
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"My biggest mistake in the beginning was working on projects that no one seemed to own or really care about too much...as I said, the defect and the improvements need ownership."
Choosing A Project
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By B. KrishnaGeneral Guidelines for Project Selection Any project should have identifiable process inputs and outputs.A good six sigma project should never have a pre-determined solution.If you already know the answer, then just go fix it!For projects that have operator or operator training as an input, focus on ways to reduce operator variation, therefore making your process more robust to different or untrained operators.All projects need to be approached from the perspective of understanding the variation in process inputs, controlling them, and eliminating the defects.Example #1
Problem: We are experiencing slow cycle time at Station 30 because we are getting bad parts from Station 20 and have to rework them.
Non-Six Sigma Solution: Rebalance the line in order to do the rework and keep your cycle time below specifications while not spending extra labor cost.
Six Sigma Solution: Investigate and control key inputs that contribute to making a bad part production at Station 20. Example #2
Problem: We have had 2 quality related issues reported this year for missing armrest screws.
Non-Six Sigma Solution: Add sensors to detect screws further down the line. If screws are missing, operator manually fixes.
Six Sigma Solution: Determine process inputs causing missing screws. For example, auto gun does not always feed correctly due to air pressure variation. Either study range required for 100% operation and control in that range, or find way to make gun more robust to range of variation experienced.
About The Author
B. Krishna is an active iSixSigma reader and has recently begun to write for iSixSigma. He is a valued contributor to our quality community. First Page > Obvious Areas For Improvement
Page 2 > Less Obvious Areas For Improvement
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