It’s not often that you’ll replace walk-behind scraper wheel motors. If the time comes for this maintenance task to be completed, watch this video to ensure it’s done correctly.
This video applies to the 5280, 6280 Commander, and 6280HD Gladiator Self-Propelled Walk-Behind Floor Scrapers.
Watch the Gp500 prep concrete paired with NFE’s Counter Rotational Grinder Tooling in the early stages of the process.
Meet the Helix®, the most versatile 110 volt planetary grinder on the market. Learn the basics of the machine, the options you have for tooling, what to expect when it comes to maintenance, and more.
The Helix is a 16-inch, 110-volt passive planetary grinder capable of direct drive grind, grinding within 1/4″ of the wall, as well as prepping and polishing concrete up to a 400 grit finish!
Pair a wide variety of tooling including metal bond diamonds, brazed diamonds, scarifier tooling, PCDs, carbides, and more with your Helix.
Removing epoxy coatings from a concrete substrate can be done in multiple ways. When using a walk-behind or ride-on scraper to remove epoxy coatings, tooling choice is critical.
Begin by setting your standard blade and blade holder aside. This applies to either a walk-behind or ride-on scraper. Fit your scraper with a Razor Blade Holder and a 1-inch blade. This video shows a National rider with the 7092 blade. This blade is 1″ x 8″ x .094″ and is designed for use with a Ride-on or walk-behind scraper.
This method of removal will peel back the epoxy coating with precision, leaving a bare concrete floor for a light grind.
Helix® vs 8274-4: A Planetary Grinder Comparison
Dave Bigham, National’s Director of Global Training, discusses the features both machines offer and does a planetary grinder comparison. He also covers which machine is the best fit for different contractors and why we make two machines that are similar.
National offers two planetary grinders, both of which are powered with 110 volt power, use the same tooling, and even pair with the same vac. What’s different?
The Helix, a 206 lb. machine, has a 16″ grinding path. While the 8274-4, a 388 lb. machine, has an 18″ grinding path.
The Helix has passive planetary satellites that spin freely. The 8274-4 has driven satellites. How does this impact results?
With a few exceptions, the Helix and 8274-4 can even use all the same tooling. This includes metal bond diamonds, PCDs, prep and polishing tooling, and more.
The Helix® is a modular machine. The handle is not only fully adjustable but fully removable as well. This makes operator comfort and job site access a breeze. Because of the Helix’s passive satellite design, it is the only NFE grinder that works with the Helix Scarifier Tooling. See Scarifier Tooling in action here.
Concrete prep demo with the 8274-4 paired with NFE’s Planetary Grinder Profiling Diamonds in the early stages of the process.
National Flooring Equipment
9250 Xylon Ave N
Minneapolis, MN 55445
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