13 Feb 2016

Fundamentals Of Plastic Part Design Part 2 – Draft

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 […]

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20 Jul 2016

Fundamentals of Plastic Part Design Part 5 – Gates and Parting Lines

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 […]

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27 Mar 2016

Fundamentals of Plastic Part Design Part 4 – Ribs and Bosses

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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16 Mar 2016

Rex Plastics to Attend 2016 Gold Prospectors Association of America Gold and Treasure Show

2016 Gold Prospectors Association of America Gold and Treasure Show April 9-10, 2016 Portland Expo Center, Portland Oregon Rex Plastics Makes Plastic Parts for Gold Prospectors Rex Plastics will be showcasing our product design, prototyping, injection mold building, and plastic injection molding production services at the 2016 Gold Prospectors Association of America’s (GPAA) Gold and Treasure […]

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26 May 2016

Plastic Injection Molding as an Alternative to Fabrication

  Plastic Injection Molding Costs One of the most difficult obstacles preventing product developers from having their product injection molded is the initial tooling investment. At first glance, many product developers form the conclusion plastic injection molding is too expensive. These folks are placing more importance on short term needs, most likely during a prototyping phase, when […]

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17 Jun 2015

Fundamentals Of Plastic Part Design Part 1 – Injection Molding

Rex Plastics Product Development Plastic Part Design Fundamentals Injection Molding Plastic design is the building block of plastics manufacturing, and can make or break not only the initial investment required to get a product launched, but the long term profitability of that product. In this series we will discuss the fundamentals of this very important […]

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02 Oct 2013

Custom Plastic Products’ Role in Our Nation’s Recovery

Custom plastic products are an integral part of this Country’s economic development and recovery. There is no more versatile material on the planet for use in electronics, medical, automotive, defense, consumer products, toys, and the list goes on. The inventors and entrepreneurs this country generates are well served by considering plastics for a broad range of applications.

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30 Aug 2013

Total Cost of Ownership (TCO) Analysis Used to Locate Injection Molders

According to Trade and Industry magazine, more companies are considering TCO to determine where to source their injection molders. A recent survey showed that 60 percent of respondents underestimated approximately 20% of their off-shoring costs. This realization has fueled better analysis of these costs, helping decision makers understand the difference between price and cost. This trend […]

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13 Jun 2013

Biopolymers in Plastic Injection Molding

Finally there is a green alternative for producing plastic parts. Biopolymers are the green alternative using biologically derived polymers. These are an alternative to petroleum based polymers. Going green and corporate responsibility is growing interest by many companies. The growing world populations with limited natural resources has fueled a new type of renewable plastics… one […]

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