Tag Archives: Plastic Industry

New Gaskets for Old Equipment

Finding parts for old equipment can be difficult or even impossible depending upon the age. So when a machine is still capable of years of performance yet a gasket goes that can't be found the answer is to get a new one custom made to continues the life of the equipment. At Harkness Industries,...
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High Volumes, Minimal Waste with Injection Molding

In previous posts, we've mentioned that injection molding is very efficient for large production numbers, but just how it's so efficient is often a mystery to those outside of the industry. It begins with the mold itself. When we get specs from a client, we ensure our molds are absolutely precise to reduce the...
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Prototype? Cast Urethane is Ideal

Injection molding is great for high volumes, but when it comes to small runs, what you really need is a cast urethane process. That's what makes it ideal for prototypes. Cast urethane processes are fast and cost-effective so whether it's the medical equipment industry or robotics, a durable plastic component can be made quickly at a...
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Why Plastic Injection Molding is Efficient

At Harkness Industries, we understand that decisions around your plastic needs often involve more than just the ability to output a finished product. Sometimes, knowing which process can be quicker, uses less material, or outputs a more consistent piece is what contributes to the ultimate choice. If you're considering plastic injection molding, here are...
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The Harkness Team is Here for You

Wondering if the team at Harkness can handle your needs? We absolutely can, but it may not be for the reasons you think. This diverse team comes with a wide range of interests and although, at first glance, they may not seem to be related to your needs, with a bit of extra thought it...
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Molding – Understanding the Difference Between Injection and Cast

Your project is unique to your needs and determining which process to use comes down to a few key differences in the production processes between urethane cast molding and injection molding. First, let's consider the similarities: Both processes allow for a multitude of colors, soft or rigid durometeres and the ability to "wrap" or cast around...
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Harkness February News Update

We hope your February is off to a great start. We have a few exciting updates to bring you this month, so let's get to it! First, we would like to welcome Tim Emerson to the team as our Controller. Tim brings with him experience in strategic planning, operations management, as well as financial analysis and...
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Three Advancements That Have Driven Injection Molding Technology

Injection molding technology has made major advances in the last 25 years, from largely a world of shoot-and-ship to doing as much as possible at the press — using automation to remove parts and assemble them, two-shot molding, even assembling parts inside the mold. Now instead of a big inspection department, constantly pulling parts off the...
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The Pros and Cons of Cold vs. Hot Runner Molds

Every plastic part starts in a mold.   Molds are classified into two main types, cold runner and hot runner.  Each has its advantages and disadvantages.   Your plastic injection molder will be able to give you the costs and benefits of using these different systems.  However, by understanding the key differences of these technologies, you...
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The Harkness Standard For Urethane Shapes

Harkness Industries’ cast urethane shapes (sheet, tube, rod and bar) are well known for their extraordinary toughness, durability, and consistent quality. Our MP Series product line will improve service life by 10 to 20 times versus that of conventional rubbers and plastics. In the toughest abrasion environments, urethanes will outlast hardened steel by...
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