Introduction: The Hidden Cost of Weld Distortion Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Over the years, I’ve welded thousands of Custom Sheet Metal Assemblies — from small brackets to large enclosures.…
Introduction: The Hidden Link Between Cutting Settings and Assembly Success Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. I’ve seen countless sheet metal projects where the laser‑cut parts look fine — until assembly.…
Introduction: The EV Revolution Demands Better Materials Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Over the past five years, electric vehicle (EV) manufacturers have pushed us to rethink traditional Sheet Metal Enclosures…
Introduction: Why Enclosure Design Matters Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Over the years, I’ve helped clients design and fabricate thousands of sheet metal enclosures — for electronics, medical devices, industrial…
Introduction: Why Bend Radius Matters More Than You Think Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Every week, I review sheet metal designs where the inside bend radius is too small —…
Introduction: Why Most Sheet Metal Parts Cost More Than They Should Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Over the past 12 years, I’ve reviewed thousands of Sheet Metal Part designs —…
Introduction: Choosing the Right Material for Your Sheet Metal Project Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Every week, clients ask me: “Which material should I use for my sheet metal part…
Introduction: Three Cutting Technologies, One Factory’s Perspective Hi, I’m Barry Zeng from Shanghai Yunyan Prototype & Mould Manufacture Factory — a real sheet metal fabrication factory based in China. Every day, our workshop runs fiber lasers, plasma tables, and waterjet…
Introduction: Why Surface Treatment Matters Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. I’ve seen beautifully fabricated sheet metal parts rust within weeks because the wrong surface treatment was chosen — or none…
Introduction: Why Tolerances Make or Break Your Sheet Metal Parts Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Over the years, I’ve seen countless Sheet Metal Custom Fabrication projects delayed or over budget…