Introduction: Design Decisions Drive Cost Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Over the past decade, I’ve seen designers unknowingly double their Parts CNC Machining Expenses with seemingly minor design choices —…
Introduction: The Production Gap Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. One of the most painful moments in product development is the “production gap” — after you’ve finalized your design but before…
Introduction: The Price Beyond the Print Button Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Many people assume that the Costs of 3D Printing are just material + machine time. Click print, wait,…
Introduction: Precision Matters Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. One of the most common questions I get is: “How accurate is SLA 3D printing compared to CNC machining?” The short answer:…
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: The Upfront Cost That Pays Dividends Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Every week, I talk to clients who hesitate at the upfront cost of Custom Injection Molds. They see…
Introduction: The Heart of Thermal Management Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Every electronic device — from a smartphone to an EV power inverter — generates heat. Without effective cooling, performance…
Introduction: Every Second Saved Is Profit Earned Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Over the past decade, I’ve optimized hundreds of Injection Molding processes — shaving seconds off cycle times while…
Introduction: The Intersection of Speed and Replacement Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. When most people think of Spare Parts 3D Printing, they imagine emergency repairs for legacy machines. But the…