Introduction: Two Titans of Powder Bed Fusion Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. When it comes to industrial Nylon 3D Printing, two technologies dominate: SLS (Selective Laser Sintering) and MJF (Multi…
Introduction: When Leaks Are Not an Option Hi, I’m Barry Zeng, a manufacturing engineer at Shanghai Yunyan Prototype & Mould Manufacture Factory. One of the most demanding applications for 3D printed parts is pressure testing — fluid manifolds, pneumatic fittings,…
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 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: Two Mainstream Technologies, Two Different Cost Logics In the world of 3D printing, SLA (Stereolithography) and SLS (Selective Laser Sintering) are the two most widely used industrial technologies. SLA excels at high‑precision, smooth‑surface appearance parts; SLS requires no supports…
Introduction: From “Printing a Model” to “Delivering a Solution” “What is the best online 3D printing service?” This question is asked almost every day. Engineers in startups, product designers, purchasing managers, and even consumers wanting personalized gifts are all searching…
Introduction: The Persistent Challenge of Small-Batch Spare Parts In manufacturing, producing custom spare parts has always been a tough nut to crack. When a production line urgently needs an obsolete part, traditional mold making takes 4-6 weeks and costs tens…