Pareto Analysis - Molded Housing Cracks

80 / 20 QUALITY ANALYSIS

Metric: Frequency of molded-housing crack observations, July-August 2026 · Total observations: 101.00

Bars rank causes by frequency; line shows cumulative contribution.

80% focus line

Causes contributing most to the problem

Uneven cooling29 occurrences · 28.7%

Material moisture22 occurrences · 21.8%

Mold temperature drift18 occurrences · 17.8%

Cycle-time variation14 occurrences · 13.9%

Management insightPrioritize corrective action on the first causes that push cumulative contribution toward 80%.

Sorted automatically from highest to lowest frequency

7 causes

#	Cause	Frequency	Contribution	Cumulative	Remarks
1	Uneven cooling	29.00	28.71%	28.71%	—
2	Material moisture	22.00	21.78%	50.50%	—
3	Mold temperature drift	18.00	17.82%	68.32%	—
4	Cycle-time variation	14.00	13.86%	82.18%	—
5	Tool wear	9.00	8.91%	91.09%	—
6	Injection pressure	6.00	5.94%	97.03%	—
7	Handling damage	3.00	2.97%	100.00%	—

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