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Midstate Mold & Engineering

Precision Plastic Injection Molders

plastic injection molding

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How to Design Plastic Parts Right for Injection Molding

An engineer at a desk looking at a CAD program on a computer monitor trying to design plastic parts right for injection molding.

The first stage of creating a successful product is to design parts specifically made for plastic injection molding. The design criteria of a plastic injection molded part are essential to creating a durable product with little risk of defects. It’s important to perfect the design from the start – using prototyping methods and tweaking part features – because, during the development phase, design changes or corrections cannot be made unless you’re willing to significantly add to your manufacturing costs. Let’s review how you can design plastic parts right for injection molding to avoid unnecessary spending.

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Plastic Injection Molding Misconceptions: Five Common Myths

Two test tubes lying on a white surface, one spilling yellow plastic resin and one spilling blue plastic resin.

Plastic injection molding has quickly become the most efficient and cost-effective process for mass-manufacturing plastic parts. It’s a process that’s been around for a century and a half, but despite its longevity, there are still many myths and misconceptions surrounding injection molding. As a company that entrusts its production to a manufacturer, it’s important you understand how the manufacturing process works. To ensure you’re well informed, let’s discuss some of the most common plastic injection molding misconceptions.

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The Increasing Trend of Biopolymers in Food Packaging

A chef wearing a black apron and black gloves packing food into biopolymer food packaging.

From distribution to storage, packaging materials play a vital role in keeping food fresh and safe for consumption. Plastic packaging is designed to safeguard, contain, and handle ready-to-eat food products. However, to the eco-conscious mind, all this plastic use may seem harmful to the environment. While that is true, the introduction of biopolymers has generated an eco-friendly method of preserving food while protecting the environment. Let’s review the increasing trend of biopolymers in food packaging and how this renewable plastic protects both your food and the ecosystem.

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Dealing with the “New Normal” of Plastic Manufacturing Logistics

A cargo container ship at port with a city skyline in the distant background.

COVID-19 had a massive impact on the global supply chain, as nations entered lockdowns and implemented safety regulations which slowed the flow of trade. With the supply chain still reeling from the pandemic, the invasion of Ukraine has only further damaged global logistics. With China’s zero-tolerance COVID-19 measures, we are also continuing to experience shipping bottlenecks. As the supply chain will continue to encounter obstacles for the foreseeable future, it’s time we learn to deal with the “new normal” for plastic manufacturing logistics.

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How Plastic Injection Molding Benefits the Transportation Industry

A rear view of a semi-trailer truck traveling on an interstate in the desert, meant to depict the benefits of injection molding on the transportation industry.

Transportation is integral to world commerce, and never has that been more apparent than today. From container ships bridging the gaps between continents to highway truckers on the interstate, plastics have revolutionized this industry. Plastic injection molding designs cosmetic parts for the interior of vehicles and generates components critical for performance. Plastics have helped businesses across the globe meet their financial milestones while limiting their costs within the transport sector. To truly understand the impact, let’s review how plastic injection molding benefits the transportation industry.

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How Hot Runner Systems Operate in Plastic Injection Molding

An angular view inside the window of a plastic injection molding machine using a hot runner system with a key pad panel on the right side.

Nowadays, plastic injection molding is mostly performed in one of two ways: hot runner systems or cold runner systems. If you’ve worked with plastic injection molding before, you’re likely familiar with hot runner systems. However, you may not be familiar with how they operate or differ from cold runner injection molding systems. As a process that increases the cycle speed and decreases waste in plastic injection molding, it’s a very attractive means of creating high-quality plastic parts. To truly appreciate its diversity and efficiency, let’s discuss how hot runner systems operate in plastic injection molding.

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