Rex Plastics is known for quality plastic injection molding. It has been part of our business since we started in 1971. Very few understand how the process works when they approach us, and likewise don’t know the advantages offered by all our other in-house services. We’d like to set the record straight.
Most people don’t realize that 3D printing is decades-old technology. It’s undergone rapid evolution and explosive growth in recent years, and seems to find new uses almost daily. Economies of scale have brought 3D printing within practical and financial reach of the average person, creating new possibilities for entrepreneurs, makers, and inventors — including many […]
Plastic injection molding is used for everything from chairs and industrial parts to Legos. Injection-molded plastic parts prove their worth whether you’re designing a new product, or even a single component in a complex assembly. On the positive side, the injection molding process ensures quality and uniformity. However, tooling a mold is expensive, and small […]
While a change to a product after launch can be quite expensive, making changes during the design stage is relatively inexpensive. Plastic part design is no exception. With today’s CAD software, being able to visualize, test, and change designs has never been easier. The Cost […]
When to Consider Plastic Injection Molding Plastic Injection Molding is a diverse process with many possibilities. Often, the precision and repeatability of plastic injection molding makes it a viable alternative to machining. As a rule of thumb, if you are using 1,000 or more parts per year, you may want to consider plastic injection molding as […]
There are many ways to produce plastic parts and if your anticipated sales volume is high enough, plastic injection molded part manufacturing can be the most cost effective way to get the job done. If you’re ready to pull the trigger on your project, consider Rex Plastics. Learn more about our plastic injection molded part […]
Will Trump Restore American Manufacturing? Now that the most excruciating election season of our lifetimes is over, it’s time to shovel off the stinking, rotting layer of excrement that has accumulated and try to guess whether or not our president-elect will follow through with his campaign promises. This article considers whether or not these promises […]
Rex Plastics Product Development Plastic Part Design Fundamentals Draft Angle In this edition of our Product Development series, we’ll briefly overview a fundamental concept for plastic part design, ‘draft angle’. Draft angle, or ‘draft’ is essential for all plastic injection molded products. It facilitates the removal of the part from the mold. Adding draft […]
Rex Plastics Product Development Plastic Part Design Fundamentals Gates and Parting Lines Gates Each plastic part design must have a ‘gate’, or an opening that allows the molten plastic to be injected into the cavity of the mold. There are several styles of gates that are commonly used in molding. Care and consideration should […]
Rex Plastics Product Development Plastic Part Design Fundamentals Ribs and Bosses Rib Design Ribs are a great way to add strength and stiffness to a part while keeping material consumption to a minimum. However, a word of caution: ribs can cause sink marks to develop where they intersect the main wall. A rule of thumb […]
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