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Manufacturing QC System Reduces Defects 67%
A mid-size precision parts manufacturer needed real-time quality control tracking to reduce defect rates and improve traceability. We built a custom QC system that connects shop floor inspections to production data, reducing scrap by 67% and improving first-pass yield. A progressive web app for tablet-based quality inspections with real-time alerts when measurements fall outside tolerances. Auto-capture of production lot numbers via barcode scanning. Statistical process control (SPC) charts for trend analysis. Integration with existing MES to tie quality data to production batches. Manager dashboard showing real-time defect rates and pareto analysis of root causes.
React
PostgreSQL
Node.js
Redis
PWA
REST API
Screenshots
Tablet Inspection Interface
Designed for gloved hands and bright lighting—critical for shop floor adoption
Case Study
Overview
A mid-size precision parts manufacturer needed real-time quality control tracking to reduce defect rates and improve traceability. We built a custom QC system that connects shop floor inspections to production data, reducing scrap by 67% and improving first-pass yield.
The Challenge
Quality inspectors were recording measurements in paper logs, making it impossible to identify trends or catch problems early. Defects were often discovered at final inspection—too late to prevent costly rework. Management had no real-time visibility into quality metrics across production lines.
The Solution
A progressive web app for tablet-based quality inspections with real-time alerts when measurements fall outside tolerances. Auto-capture of production lot numbers via barcode scanning. Statistical process control (SPC) charts for trend analysis. Integration with existing MES to tie quality data to production batches. Manager dashboard showing real-time defect rates and pareto analysis of root causes.
Results
67% reduction
Defect Rate
From 4.2% to 1.4% defect rate across all lines
23% improvement
First Pass Yield
More parts passing inspection on first attempt
$180K/year
Scrap Cost Savings
Reduction in scrapped material and rework labor
95% faster
Time to Detection
Defect trends identified in hours instead of weeks
“
The QC system has transformed our quality culture. Inspectors love the tablets, and supervisors can catch problems before we waste expensive material. ROI was proven in 4 months.
Jennifer Martinez
Director of Operations
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