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Article
POM injection molding produces parts made of polyoxymethylene (POM), an engineering thermoplastic that includes both homopolymer and copolymer versions of acetal. Homopolymer acetal has a highly ordered crystalline structure for increased strength, but can be difficult to process because of its precise melt temperature. Copolymer acetal has a wider range of processing temperatures, but is […]
Article
This article was originally published in February 2017 by Humberto Villasenor. The content has been updated. Understanding the differences between the mechanical properties of strength vs. stiffness vs. hardness is foundational in mechanical engineering, yet these properties are often confused. These properties are related, but they have important differences: For this article, we’ll review the […]
Article
Fluid mechanics is one of the four branches of mechanics, the study of how fluids behave at rest or in motion — and you’re likely to use this knowledge as an engineer in real practice fairly often. I have used fluid mechanics to design heat exchangers for airplanes, to predict the flow of chemical solutions […]
Article
Many additive manufacturing processes offer low cost per part, high dimensional tolerances, and fast cycle times, but selective laser sintering (SLS) is one of the best options. SLS’s speed, resolution, and laser accuracy combined with advances in the raw materials allows for rapid iteration and high-quality finished parts. The self-supporting nature of the process enables […]
Article
Injection molding with thermoplastic elastomers (TPEs) is a manufacturing process where TPE material is melted and injected into a mold cavity to form a specific shape. TPEs are a type of polymer that has both plastic and rubber-like properties, making them suitable for applications that require both flexibility and strength. The resulting molded part can […]
Article
TPU injection molding is used to produce parts made from thermoplastic urethane (TPU), a type of thermoplastic elastomer (TPE). There are six major types of TPEs, a group of materials that combine the properties of plastic and rubber. TPUs can be based on either polyester or polyether urethane. They’re recyclable and provide excellent tear strength, […]
Article
As the operating system for custom manufacturing, the Fictiv platform is constantly evolving. Whether it’s workflow automation, our digital quality system, or guided expertise features, every release makes it faster, easier, and more efficient to source and supply mechanical parts. So bookmark and share this page, and check back often to learn about Fictiv’s latest […]
Article
Springs are common in all kinds of machines — from consumer products to heavy industrial equipment. Take apart anything that involves a mechanism, and chances are, you’ll find a spring inside. Springs are storage devices for mechanical energy, analogous to the electrical storage capacity of batteries. The earliest spring-driven clocks appeared in the 1400s. Fast-forward […]
Article
Let’s face it, engineers aren’t often known for their people skills. In fact, there is a connotation with engineering professionals that says we’re socially awkward, introverted, and just plain nerdy. Now there may be some truth to that — in my decade as an engineer, I have had many many awkward meetings, elevator rides, and […]
