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In today’s competitive manufacturing world, choosing the right mold manufacturer is no longer just a purchasing decision — it’s a strategic partnership that directly shapes your product quality, cost...
3D printing with metals is definitely a thing, but it’s quite different from standard polymer-based methods like SLS (Selective Laser Sintering). Unlike resin printing, metal 3D printing is mostly don...
When you happened to see the word “EPDM,” and do you got curious? — What exactly is this material? At Opro tech, we often deal with plastic injection molding parts, so at first, you might think as EP...
A few weeks ago, one of my clients messaged me in a hurry. He asked if we could help repair a tooling mold made by another supplier — because the welding line and parting line couldn’t be achieved nea...
In the fast-evolving world of smart packaging, the twist-lock actuator has quickly become a symbol of both hygiene and convenience. Unlike traditional dispensers that rely on removable caps, this clev...
In the mold manufacturing industry, cost estimation is not just a financial exercise — it’s a reflection of a company’s technical understanding, production capability, and market competitiveness. A sc...
When it comes to injection molding, few projects test the limits of precision quite like a fan blade or impeller. At first glance, it may look like a simple rotating part—but in reality, designing and...
When we talk about injection molds, one of the most critical factors affecting part quality, cycle time, and tool life is cooling. But beginners often wonder: Does every mold need cooling? How does it...
When working on a new tooling project, we often receive the client’s specifications, and sometimes the resin section looks like this: “Polypropylene grade raw material to be defined. Either Homopolyme...
Introduction: "Why Can Wax Be Used to Make Steel Parts?" That’s exactly the question I asked myself the first time I heard about investment casting. I’ve worked with many manufacturing processes like...
Injection molding is one of the most widely used manufacturing processes in the plastics industry. Whether you’re a process engineer, project manager, or business developer in the field, understanding...
In the world of plastic manufacturing, two major categories dominate the molding process: thermoplastic materials and thermosetting materials. Though they may look similar in the final product, the wa...