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The Rodon Blog - A Focus on American Manufacturing and Plastic Injection Molding

Types of plastic molding

Posted by Paula Hynes

7/30/14 1:30 PM

In today’s manufacturing environment, plastics are being used to make everything from automotive body parts to human body parts. Each application requires a special manufacturing process that can mold the part based on specifications. This article provides a brief overview of the different types of molding and their advantages and applications.

Blow Molding – Well suited for hollow objects, like bottles

The process follows the basic steps found in glass blowing. A parison (heated plastic mass, generally a tube) is inflated by air. The air pushes the plastic against the mold to form the desired shape. Once cooled, the plastic is ejected.
blow_molding_machine
The blow molding process is designed to manufacture high volume, one-piece hollow objects. If you need to make lots of bottles, this is the process for you. Blow molding creates very uniform, thin walled containers. And, it can do so very economically.


Compression Molding – Well suited for larger objects like auto parts.


The name of this molding method says everything.  A heated plastic material is placed in a heated mold and is then compressed into shape. The plastic can be in bulk but often comes in sheets. The heating process, called curing, insures the final part will maintain its integrity. As with other molding methods, once the part has been shaped, it is then removed from the mold. If sheeting plastic material is used, the material is first trimmed in the mold before the part is removed.

This method of molding is very suitable to high-strength compounds like thermosetting resins as well as fiberglass and reinforced plastics. The superior strength properties of the materials used in compression molding make it an invaluable process for the automotive industry.

Extrusion Molding – Well suited for long hollow formed applications like tubing, pipes and straws.

While other forms of molding uses extrusion to get the plastic resins into a mold, this process extrudes the melted plastic directly into a die. The die shape, not a mold, determines the shape of the final product. The extruded “tubing” is cooled and can be cut or rolled for shipment.

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Topics: plastic injection molding,, plastic injection molds and presses, The Rodon Group,

Building The Future|The Atlantic and Siemens team-up for insightful conversations.

Posted by Paula Hynes

7/23/14 12:30 PM

What do you get when you blend a seasoned moderator with political, policy and business leaders?  You get thought-provoking discussions about the state of our economy and manufacturing.

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Material Requirement Planning system improves manufacturing efficiency

Posted by Paula Hynes

7/16/14 9:45 AM

Like many companies, The Rodon Group recognizes our customers are our most valuable asset.  We pride ourselves on the ability to develop end-to-end manufacturing solutions that meet their demands on time, every time.

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Topics: plastic injection molding,, injection molding basics, Manufacturing automation and innovation, plastic injection molds and presses

The Rodon Group partners with Indian Creek Foundation

Posted by Jill Worth

7/10/14 1:00 PM

Several years ago, we began a search for a local resource to help us with some project work and we found ourselves visiting the Indian Creek Foundation/ICF Solutions located in nearby Souderton, Pennsylvania. ICF Solutions, a division of Indian Creek Foundation offers a facility-based work program for residents throughout Montgomery County. Since 1975, the Foundation’s mission is to “provide opportunities for people with intellectual and developmental disabilities; to live in and enrich the community throughout their lives.”  The foundation also provides supervised housing, life support services as well as behavioral health programs.

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Topics: American Manufacturing

How to Achieve Perfect Plastic Parts

Posted by Paula Hynes

7/9/14 10:03 AM

The adage “If it can go wrong, it will go wrong” should never be true in the world of injection molding.  In fact, problems can be easily avoided from the very beginning as long you are working with a turnkey precision molding manufacturer.  Some companies opt to use an outside design firm to design the mold, then contract another vendor to build the mold (often these were offshore mold builders) and another to run the parts.  By separating these responsibilities, they often sacrifice control, accountability and quality.

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Topics: plastic injection molding,, injection molding basics, Manufacturing automation and innovation, injection molded parts

Buy American-Made Products to Celebrate July 4th

Posted by Paula Hynes

7/3/14 10:30 AM

Starting this holiday weekend, we encourage everyone to start a tradition of buying American-made products. Just like the nutrition labels on food that tell you about the contents of the product, country of origin labeling tells you where the contents came from and where they were assembled. With a few exceptions, the government does not require this labeling; however companies are proud to display their Made in the USA origin. These businesses understand American consumers want to purchase products made here and support jobs throughout our country.

Tips on buying American-made

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Topics: Made in America, American-made products, The Rodon Group,

Manufactured in America: An Infographic on How K'NEX Parts Are Made

Posted by Jill Worth

7/2/14 10:33 AM


Since 1956, The Rodon Group has made billions of American made products in our 125,000 square foot facility, including over 32 billion parts for the K'NEX construction toy system

K'NEX is the only construction toy company committed to manufacturing in the United States. K'NEX bricks,rods and connectors are manufactured in Pennsylvania right here at our eco-friendly facility. K'NEX and Rodon are proud to be family owned and operated. While most toys are made overseas, we are committed to manufacturing in the United States

"Community is one of our core values, so as a company, we are proud to invest in American workers who demonstrate unparalleled commitment to innovation and some of the greatest working spirit in the industrial world," said Michael Araten, President and CEO of K'NEX and The Rodon Group.

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Topics: Infographic, American Manufacturing, American-made products

Select USA encourages U.S. Manufacturing Investment and Innovation

Posted by Paula Hynes

6/26/14 10:00 AM

On June 17th, the White House hosted a summer forum titled “Reinvesting in America, Creating Jobs at Home.”  This program is part of a larger initiative called SelectUSA, which focuses on the many advantages the U.S. has to offer businesses both foreign and domestic.  The White House along with business leaders and economists gathered to discuss the importance of innovations and entrepreneurship in growing our economy. The agenda featured speakers from government and industry including our own President and CEO, Michael Araten

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Topics: American Manufacturing, Made in America, American-made products

Making-it-Better in Pennsylvania

Posted by Jill Worth

6/18/14 8:30 AM

Tom Wolf, the democratic Pennsylvania gubernatorial candidate recently visited The Rodon Group factory as part of his “Fresh Start” campaign tour.  One of the cornerstones of Wolf’s campaign is a focus on creating manufacturing jobs in Pennsylvania.  As a business owner, who sourced American made goods for his distribution company, Wolf knows firsthand, the importance of manufacturing on our economy. During his speech to The Rodon Group employees, Wolf said he had an “aha” moment when he asked for manufacturing bids from companies across the globe.  Turns out, the lowest bids came from American manufacturers. “Conventional wisdom says you need to go to low cost countries.” Wolf stated. “Manufacturing is not something that is alien to the U.S. We offer better products, better service and lead time.”

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Topics: Pennsylvania manufacturing, American Manufacturing, STEM careers and education

It takes a village to create a future with STEM education

Posted by Paula Hynes

6/3/14 1:25 PM

Not so long ago, this phrase became synonymous with our young people.  “The Village” is everyone who can and should impact the lives of children by developing and nurturing them for a path to success.  We should be keenly aware of this fact in all facets of our business and personal lives.  Whether or not you are a parent, we must support our future generations.

You may think that, as a manufacturing company, we don’t have many opportunities to impact the direction of the lives of young people in our community.  It's actually just the opposite.  We are always looking for ways to support technical education and STEM programs.   The Rodon Group often hosts school tours and engages with administrators.  Our sister company, K’NEX has developed an entire product line devoted to teaching science, engineering and math skills. 

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Topics: manufacturing, STEM Education,, American Manufacturing, The Rodon Group,

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