Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. If you’ve ever needed a custom part made, you’ve probably asked yourself: “Should I get this CNC machined or 3D printed?” It’s a great question…
Introduction: The Steel Behind the Spark Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. My daily bread? Helping clients pick between 3D printing and CNC machining. The wrong choice can crack a mold—or…
Introduction: The “Wait, You Can Print That?” Department Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. You know that moment when a machine breaks down and you need a part that hasn’t been…
Introduction: The Two Workhorses of Industrial Nylon 3D Printing Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. When it comes to industrial Nylon 3D Printing — using SLS (Selective Laser Sintering) or MJF…
Introduction: The Ugly Truth About Support Marks Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. One of the most common frustrations I hear from clients using SLA 3D Printing Service is: “The part…
Introduction: The Testing Dilemma Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Every week, engineers ask me: “Should I use FDM or SLA for my functional mechanical test parts?” The answer depends on…
Introduction: The Aluminum Crossroads Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. When engineers need an aluminum part, they typically reach for 6061 — the workhorse of CNC machining. But in recent years,…
Introduction: The Allure of Clear 3D Printed Parts Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. One of the most common requests I receive for SLA 3D Printing Parts is: “Can you make…
Introduction: The Best of Both Worlds Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. For years, engineers faced a choice: use 3D Printing Manufacturing for complex geometry but poor surface finish and accuracy,…
Introduction: Not All 3D Printed Parts Can Handle Movement Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Over the years, I’ve seen many engineers design 3D Printed Components for static applications — brackets,…