Introduction: The Challenge of Making Complex Parts Fit Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Over the years, I’ve built hundreds of Non-Standard Mechanical Assemblies — custom automation equipment, prototype machinery, and…
Introduction: Why Dimensions Change — and How to Prevent It Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Over the past decade, I’ve seen CNC Machined Parts that measured perfectly on the machine…
Introduction: The Semiconductor Industry’s Demand for High‑Purity Titanium Parts Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Over the past decade, I’ve machined hundreds of low‑volume titanium components for semiconductor equipment — chamber…
Introduction: The Precision Demands of Medical Micro Components Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Over the past decade, I’ve programmed and run Swiss‑type lathes for thousands of micro medical components —…
Introduction: When Microns Matter Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Over the years, I’ve machined thousands of critical components — medical device parts, aerospace fittings, and precision tooling — where a…
Introduction: Two Pillars of Precision Manufacturing When it comes to precision machining, two processes dominate the workshop floor: CNC milling and CNC turning. Both are subtractive manufacturing methods that use computer‑controlled tools to remove material from a workpiece. However, they…
Introduction: The Cost Challenge in Precision Manufacturing CNC machining is one of the most versatile and accurate manufacturing processes available today. From prototypes to end‑use parts, it delivers high precision and excellent material properties. However, CNC machining can also be…
Introduction: The Cost of “Choosing the Wrong Partner” Last year, a purchasing manager from a medical device company contacted us, his voice full of frustration: “The CNC machined parts manufacturer we used before had low prices and fast delivery, but…
Introduction: A Return Shipment Caused by a Tiny Burr Last year, our received an urgent rework order for a batch of aerospace hydraulic valve body spare parts. The customer reported that during assembly, the valve spool was sticking. After disassembly,…
Introduction: When Part Precision Determines Flight Safety In the aerospace industry, a turbine disk with a diameter deviation of just 0.01mm can cause excessive engine vibration; a blade profile deviation of 0.02mm on an integral impeller can lead to flow…