Lean Six Sigma case study in Coimbatore

The Lean Six Sigma case study in Coimbatore demonstrates how structured process improvement methodologies can yield measurable improvements in business results. The case study reports on a mid-sized manufacturing firm located in Coimbatore that faced difficulties in relation to quality, productivity and cost. By utilizing Lean Six Sigma tools, and implementing the DMAIC methodology (Define, Measure, Analyze, Improve, Control), the company was able to generate substantial operational advancements.

Background on Project

Coimbatore, located in Southern India is one of the leading industrial cities in the country. It has a significant presence in the areas of Textile Manufacturing, Engineering, and Automotive Component OEM Manufacturing. The business featured in this case study manufactures engineered components, which it sells to a variety of different OEM clients.

As the years progressed, operational inefficiencies accumulated which impacted the company’s ability to meet required production timelines, produced substandard products, and negatively impacted customer satisfaction. In response to these challenges, management decided to utilize Lean Six Sigma methodologies as their approach to process improvements with the assistance of ICEQBS consultants.

Business Problems Faced

Numerous opportunities for improvement were identified throughout various production and support areas.

– High rejection rates in critical production lines
– Frequent rework or scrap for these same production lines
– Excessively long production cycle times
– Poor production and Quality Team Coordination
– Excessively high levels of inventories at various stages of the process
– Increased overall operating costs, negatively impacting profitability

All issues are having a negative effect on both.

Identified Root Causes

1. Inconsistent machine set up
2. No established standard operating procedures (SOP)
3. Variations in operator skill
4. Material handling is not efficient
5. Poor inspection practices

Improvement Activities
1. Standardized machine set up
2. Developed and implemented clear (SOP) or (standard operating procedure)
3. Trained all operators on quality standards
4. Implemented mistake-proofing methods
5. Streamlined workflow and material movement

Results
1. Defect rate decreased from 12% to 6.5%
2. Rework reduced by 40%
3. Cycle time improved by 28%
4. Material waste reduced
5. On-time delivery performance improved
6. Overall production cost decreased

Business Impact
1. Cost savings from decreased scrap and rework
2. Increased production capacity
3. Increased customer satisfaction

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