Hey, I’m Barry Zeng. I’ve been in manufacturing for 12 years at Shanghai Yunyan Prototype & Mould Manufacture Factory, and I still remember the first time someone asked me this question: “Barry, which is better — manual machining or CNC…
Hey, I’m Barry Zeng. I’ve been in manufacturing for 12 years at Shanghai Yunyan Prototype & Mould Manufacture Factory, and I still remember the day I had to choose between buying a CNC mill and sticking with my manual machines.…
Hey, I’m Barry Zeng. I’ve been in manufacturing for 12 years at Shanghai Yunyan Prototype & Mould Manufacture Factory, and I still remember the first time I watched an EDM machine run. Back then, I was a young engineer fresh…
Hey, I’m Barry Zeng. I’ve been working with CNC machines for 12 years at Shanghai Yunyan Prototype & Mould Manufacture Factory, and if there’s one thing I’ve learned, it’s this: CNC machining is the backbone of modern manufacturing. It’s everywhere…
✋ Hey, I’m Barry Zeng — Senior Manufacturing Engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Over the past 12 years, I’ve helped hundreds of clients take their part designs from a napkin sketch (or a CAD file) to…
Introduction: The Challenge of Programming CNC Spare Parts Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. For over 17 years, I’ve programmed and machined thousands of CNC Spare Parts — from replacement gears…
Introduction: The Spare Parts Dilemma Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Every week, I help clients produce Custom Non-Standard Spare Parts — components that are no longer available from the original…
Introduction: The Fundamental Manufacturing Choice Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Over the past 12 years, one of the most common questions I hear from designers and procurement professionals is: “CNC…
Introduction: The Ultimate Machining Challenge Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Titanium is the material of choice for aerospace, medical, and high‑performance automotive components — but it’s also one of the…
Introduction: The Micron Challenge Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Achieving ±0.005 mm (5 microns) in CNC Milling Precision is not a matter of luck or expensive machines alone. It requires…