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The Prototyping Blog

the prototyping blog

NEW Automatic Unscrewing Mold For Internally Threaded Parts

Posted by Molly Skiba on Mar 27, 2019

Internal threads are commonly found on plastic parts that screw together, such as bottle caps, drinkware lids and plastic hardware. Due to the delicate nature of threads, molding these parts requires a slightly different approach than your average plastic part. An unscrewing core must be incorporated in the tool in order to eject them from the mold without damaging the threads.

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Topics: Injection molding, plastic prototypes, unscrewing mold

Don't Be Afraid Of The Dark...

Posted by Molly Skiba on Oct 30, 2018

One spooky October night at The ERC... 

In the dark...

When no one was in the building....

The injection molding press was making parts.

All. By. Itself.


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Topics: Plastic Prototype, Injection molding, lights-out manufacturing

Benefits of Manufacturing Prototypes, Tooling & Production Parts Under One Roof

Posted by Austen Ballmann on Jul 23, 2018

Austen Bio Picture

Why have your prototype developed at one shop, tool built at another, and run production at another when you can keep it all under one roof? 

Working with an experienced one-stop shop, like The ERC, can speed up the entire product development process, eliminating errors and resulting in a lower overall project cost. We can not only develop and manufacture your prototype, but can also mold your low quantity production parts and build your production tool when your quantities go up. 

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Topics: Plastics Manufacturing, Plastic Prototyping, Injection molding, Modular Tooling System, bringing a product to market

Meet Our Newest Engineer, Austen Ballmann!

Posted by Molly Skiba on Feb 9, 2018

We're thrilled to welcome our newest engineer, Austen Ballmann, to the team! Austen recently graduated from UW-Stout with a Bachelors of Science in Mechanical Design. With 3 years of internship experience at a plastic injection molding company, Austen has the skills to assist customers with a variety of projects. 

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Topics: Injection molding, engineers, new hire, employee

What To Consider When Comparing Prototype Quotes (Other Than The Numbers)

Posted by Molly Skiba on Nov 2, 2017

When it's time to purchase prototype tooling for injection molded parts, comparing quotes is a tedious part of the process. There are a variety of factors that can determine the cost of a prototyping project so it's wise to consider why one company's price is higher than another's. Without the proper knowledge, you could be comparing apples to oranges. Whether you're in the purchasing department or an engineer, here are a few things to look at when comparing quotes so that you get the best parts for your money. 

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Topics: rapid prototype, Molded Plastic Prototype, Injection molding, prototype quote, rapid quote, plastic prototype quote

Sometimes It Takes Two

Posted by Ryan Duffey on Jul 24, 2017

At the Engineering Resource Center, one of the things we pride ourselves on is upfront design support. Often times, we will come across designs that are nearly impossible to produce as a single component, or that would not be sustainable in a production environment. Our goal is to work with the customer and provide design to support that both satisfies the part requirements and can be repeated in a production manufacturing setting.

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Topics: Prototype Design Changes, Plastic Prototype, Plastic Prototyping, Injection molding, product development

Optimize Your Prototype Build With Our Modular Tooling System

Posted by Molly Skiba on Mar 24, 2017

When The ERC was formed, our engineers realized 95% of all parts they received needed the same basic requirements for tooling. From those findings, the idea of a modular tooling system was born. We have designed several proprietary mold bases that now allow our toolmakers to build inexpensive mold inserts for most of the parts that come across their desks. 

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Topics: Plastic Prototype, Plastics Manufacturing, Plastic Part Mold, Molded Plastic Prototype, Plastic Prototyping, Injection molding, Bridge-Tooling, Modular Tooling System

Struggling To Afford Injection Mold Tooling For Low Volume Projects?

Posted by Ryan Duffey on Mar 17, 2017

One of the most challenging aspects of planning for low volume production projects is the initial tooling cost. Building dedicated production tools for components that are expected to run limited volumes can be expensive. In some cases, the high cost of production tooling can terminate a project that could have had a lot of potential.           

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Topics: Plastics Manufacturing, Molded Plastic Prototype, Plastic Prototyping, Injection molding, Engineering Support, Low Volume Production, Low Volume Manufacturing

So You Need A Prototype?

Posted by Molly Skiba on Feb 6, 2017

Risk Flowchart 2.6.17 (edited for web).png Read More

Topics: Upfront Engineering, Marketing, Plastic Prototype, Plastics Manufacturing, Molded Plastic Prototype, Plastic Prototyping, Injection molding, project management,

Change Your Mind? Have no Fear!

Posted by Katie Evans on Sep 30, 2016

Engineering change with your injection mold?

Let’s be honest. It happens. Molds break down. You change your mind. But it’s how the Engineering Resource Center handles it that makes us different. 

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Topics: Prototype Design Changes, Injection molding