Use Pareto to Focus High-DCIR Fixes
Use Pareto thinking to prioritize root-cause work for high-DCIR battery defects.
A pilot lot has 96 high-DCIR rejects and too many plausible causes competing for the first investigation slot. Pareto: categorize consistently, count impact, order largest to smallest, focus on the vital few Giving every theory equal meeting time wastes effort and can push the team toward the most politically popular fix. Define categories Create evidence-based primary categories: formation channel, tab weld, wetting delay, measurement contact, material lot, and other. The categories must be mutually useful. If every reject fits three buckets, the chart will not focus the team. Count and order Count rejects per category and order them: formation channel…
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