Introduction: The Most Overlooked Steps in Resin 3D Printing Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. I’ve seen many users of Photosensitive resin 3D printing spend hours perfecting their print settings, only…
Introduction: The Promise and Challenge of SLA Accuracy Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Clients come to me expecting Precision SLA 3D Printing — parts that fit perfectly, snap together smoothly,…
Introduction: When Standard Resins Fail Under Heat Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Over the years, I’ve seen many SLA Resins 3D Printing projects fail because the parts couldn’t withstand heat.…
Introduction: The Journey from Hazy to Crystal Clear Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. One of the most satisfying transformations I see in our shop is taking a hazy, translucent Clear…
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: The Resin Makes the Part Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Over the years, I’ve printed thousands of parts using SLA 3D Printing — from detailed jewelry patterns to functional…
Introduction: The Triple Constraint of Custom Parts Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Every day, I work with clients who need small quantities of custom parts — anywhere from 1 to…
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: Defects Cost Time and Money — Here’s How to Fix Them Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. Over the past decade, I’ve troubleshot thousands of defective Injection Molded Parts —…