Post by Juan Raja Muda Sianturi

Continuous Improvement in Action: Solving PCB Contamination & Cosmetic Defects at the Source! In manufacturing, even the smallest process bottlenecks or material choices can lead to significant quality issues. Our team tackled a persistent challenge at our MI station: our shared, hard-plastic fixtures were causing glue contamination, residue build-up, and potential cosmetic damage to sensitive PCBs. ​The Solution: A Complete Redesign We needed a dedicated, safer, and more efficient approach. ​By transitioning from a shared hard plastic tray to a customized grid-pattern ESD foam design, we successfully transformed the process. Here is the impact: ​ Enhanced Quality: The soft ESD material completely eliminates PCB scratch risks and drastically minimizes glue residue transfer. Boosted Productivity: Dedicated station use means less cross-contamination, faster loading/unloading, and reduced cleaning/inspection times. Significant Cost Savings: Lowered rework rates, minimized scrap costs, and reduced customer complaints. Maximum ESD Protection: Ensuring all sensitive electronic components are safely handled throughout the process. ​It is incredibly rewarding to see how a focused design change can directly improve Overall Equipment Effectiveness (OEE) and product reliability. Swipe through the images below to see the 3D CAD models, the engineering specs, and the Before/After comparison! ​I'm curious to hear from my fellow engineers and manufacturing professionals—what is your go-to strategy for minimizing cross-process contamination on the assembly line? Let's discuss in the comments! ​#ProductionEngineering #ContinuousImprovement #Manufacturing #LeanManufacturing #CADDesign #ProcessOptimization #ESDProtection #EngineeringDesign