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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 Homopolym...
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 lik...
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...
In the mold and tooling industry, choosing the right steel is crucial for product quality, cost control, and production efficiency. In this article, I want to explore some common questions I had while...
![[Case Study] Shipping Plastic Parts with Embedded Magnets: The Unexpected Challenge We Faced with Magnetism Test Requirements](/uploads/opro-engineering/20250603/3891dded-67f0-41da-b59e-e6c1979829fe.png)
We recently shipped a batch of 350 plastic components, each ultrasonically welded with a small but strong neodymium magnet inside, to a client overseas who urgently needed the parts for a product laun...
In modern manufacturing and product assembly, Formed-In-Place Gasket (FIPG) technology has become a widely adopted sealing method across industries such as automotive, electronics, and industrial equi...
In the tooling and mold manufacturing industry, precision and safety are everything. Even small oversights can lead to costly mistakes — or even permanent damage to the mold. Today, we want to share a...
In tooling and injection molding, creating a bushing with internal threads is a common yet challenging task. The complexity increases when dealing with low-volume production runs, where the cost of ad...
In the field of injection molding and tooling, several advanced technologies have emerged to meet the growing demand for aesthetic design, functionality, and product integration. Among them, IMD, IML,...
Ultrasonic welding is a widely used and highly efficient method for joining plastic components—particularly in automotive, electronics, and consumer products industries. But to truly take advantage of...