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April 17, 2012 by Kendal White

The New Heating System that will Radically Change the Way You Heat

Imagine a world where heat is always consistent, quick, efficient, and safe. Imagine a heating system that is 70% more efficient than the way you heat now and still safe enough to touch with bare hands. Is this some distant dream, or have we truly arrived at the future of heat technology?

At NPE 2012, UniTherm International introduced its latest product—RapidTherm, an innovative heat solution designed for plastics machinery. UniTherm has been manufacturing insulation jackets for over 20 years, but this new jacket is truly the first of its kind.

RapidTherm is unique in that it combines heating elements and insulation in one easy to use, easy to service unit. The 1-piece, removable insulation jacket includes a built-in thermal vein powerful enough to heat an entire machine. Not only is the thermal vein a more efficient heat source than traditional heater bands, but because it’s encased in high temperature insulation, it saves energy by eliminating excess heat loss.

In tests, the RapidTherm jacket heated barrels twice as fast (cutting start up time in half) and dramatically decreased energy usage. On production equipment, the new heating system

  • Decreased start-up time by 50%,
  • Cut energy usage by 70%
  • Kept the outer surface cool enough to comply with OSHA hot surface standards
  • Increased worker safety
  • Cut maintenance time and costs
  • Eliminated hot spots on the barrel heating profile
  • Eliminated the need for a barrel shroud

RapidTherm has proven itself as an efficient heating system and promises to liberate processors from the hassle of heater bands. “For years, we’ve known there has to be a better, more efficient way to heat machines,” explains UniTherm president Dan Sherrill. However, previous alternatives to heater bands have been plagued with problems. NPE 2012 was the perfect opportunity to unveil the new heating system, and RapidTherm sparked interest among processors looking to save time and money at their machines. It seems RapidTherm will be the solution that finally puts the heater band headache to rest.

It’s certainly an exciting time for new technology in engineering and manufacturing. Subscribe to our blog for more innovative ideas and industry updates.

Filed Under: Energy Efficiency, Plastics Industry, UniTherm News Tagged With: heat solution, heat technology, heat transfer, heating, heating elements, heating systems, NPE, plastic machinery, technology, thermal insulation, thermal technology, UniTherm, unitherm international

February 28, 2012 by Kendal White

Why Induction Heat is Super Efficient

Faster than a speeding bullet! More powerful than a locomotive! It’s not up in the sky, it’s…unbelievably efficient induction heat technology!

Ok, maybe I sound a little fanatical, but if you’ve never seen induction heaters in action, I seriously recommended you watch some induction heating demos. These videos will blow your mind.  You’ll see metal wires melt, aluminum cans explode, and ice cubes set ablaze—before they even have a chance to melt!

What is induction heat?
Induction is a heating method, but unlike conduction or convection heating methods, it doesn’t require a transfer medium. The inductor itself can be a simple-looking strip of coiled metal (precisely designed to optimize the magnetic field and alternating currents), and the magic is, the inductor never touches what it’s heating, and it never gets too hot to handle with bare hands. I won’t get into the physics of it all, but if you’re interested in how induction heating works, see inductionatmostpheres.com. Basically, induction heat uses radio frequencies, and that’s how it can work sans transfer medium—heat is “induced” by the circulating electrical currents.

The shift toward lean manufacturing and the emphasis on better quality control have led to the rebirth of induction technology and the development of precisely controlled, solid-state induction power supplies.

How can induction heat benefit manufacturers?
For most industrial applications, induction heating offers significant advantages over traditional heating methods—the fast, accurate, and consistent heat transfer reduces energy consumption and creates a safer working environment.

Companies like Ford, John Deere, GM, Cat, Volkswagen, and BMW have already implemented induction heat into their manufacturing processes. Most manufacturers that switch over to induction technology report a decrease in their utility bills. Why is this? Because induction is a highly efficient means of heating that requires less energy to do the same job as, say, a heater band, which is constantly losing energy and reheating.

In fact, uninsulated heater bands are only 30-70% efficient and have a limited lifespan because they must stay hot to operate. Induction heaters, on the other hand, are typically 95% efficient and don’t emit excess energy. Even better, insulated induction heaters can reduce ambient energy loss by 98%.

How can you use induction heat to make your manufacturing process more efficient? If you haven’t already, start thinking about this innovative heating method, and stay tuned for the latest in energy efficient technology.

Filed Under: Energy Efficiency, Manufacturing, Plastics Industry Tagged With: convection heating, electrical engineering, energy efficient, heat technology, heat transfers, heating method, induction, induction heat, induction heater, induction heaters, induction heating, inductors, industrial applications, industrial heating, lean manufacturing, manufacturers, reduce energy consumption

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UniTherm Insulation Systems

711 Jones St.
Lewisville, TX 75057
Toll Free: 800.657.9542
Phone: 972.436.1401
Fax: 972.436.0112
info@unitherm.com

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