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Injection Molds 101: Hot Runner Injection Molding

Plastic Injection Molding

Ever since its introduction in the late 19th century, plastic injection molding has revolutionized the way we create plastic products. Although the technology has evolved significantly over the years, many injection molds today still fall into two main categories: hot runner and cold runner systems. Each of these systems has their own benefits and limitations which make them better suited for specific applications.

Download Your Free Copy: Manufacturing the Perfect Platic Part

Understanding the differences between these technologies can help you have a more productive and informed discussion with your plastic injection specialist to determine the most feasible option for your unique application.

Read More 08 / 28 / 18

Key Terms to Know Regarding Plastic Injection Molding

Plastic Injection Molding

Plastic injection molding has a language all it’s own and with so many unique terms it can be difficult to learn the language. We put together a list of the top terms to know when discussing plastic injection molding, mold parts, materials, and problems. We hope you find this to be a useful resource.

Read More 09 / 28 / 16

Plastic Injection Molding Basics 101 - The Injection Press

Plastic Injection Molding

Our website is frequently visited by product designers, engineers and purchasing agents who are looking for information on plastic injection molding. With this in mind, we created a series of "Basics 101" type articles that are developed to give our readers a better understanding of the presses, processes and pitfalls in our industry. 

We begin our series with information on the basics of plastic injection molding presses. We hope you find this information useful.  If you have specific questions, please do not hesitate to contact us.

Injection Press Basics

While plastic injection molders will help you determine the size of the machine needed to get the best result, a project designer or engineer can get a good estimate based on some basic information. By knowing approximately what size machine will be required, you can better source a plastic injection molder that will meet your needs.

Read More 03 / 15 / 16

Plastic Injection Molding 101 - Costs of Manufacturing a Mold

Plastic Injection Molding

A common question for designers and engineers is “How much will a plastic injection mold cost?”  It makes sense. Injection molds represent the greatest expense in upfront production costs. And, there are many factors that go into determining the cost. With any custom injection molding project, your injection molder will be able to give you the final price tag.

In this article, we will review the variables that can impact the cost so that you can be better informed in making a mold purchasing decision. 

Read More 12 / 10 / 15

Scary Plastic Part Defects and How to Avoid Them

Plastic Injection Molding


When purchasing injection molded parts, it is important to understand some of the common but scary problems and defects that impact product quality.  Being familiar with these imperfections and their causes can help you work with injection molders to insure the highest quality part production is achieved.

Read More 10 / 30 / 14

Plastic Injection Molding 101 - Injection Molding Terms

Plastic Injection Molding

Plastic injection molding may not be rocket science, but it comes pretty close. 

Download Your Free Copy: Intro to Plastic Injection Molding

There are hundreds of injection molding terms used in the industry.  We have chosen to highlight the most common nomenclature used when discussing injection mold parts, materials and problems. 

Read More 02 / 19 / 14

Plastic Injection Molding 101 - The Basics of an Injection Press

Plastic Injection Molding

Our website is frequently visited by product designers, engineers and purchasing agents who are looking for information on plastic injection molding.  With this in mind, we have created a new series of articles that are developed to give our readers a better understanding of the presses, processes and pitfalls in our industry. 

Download Your Free Copy: Benefits of a Turnkey Manufacturer

Read More 07 / 17 / 13
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