Industrial concrete grinder on the industrial floor is a preparation method for removing previous floor coatings, smoothing bumps and leveling unevenness. It uses the most aggressive type of diamond blade to remove thin film floor coatings; and is often a first step in concrete polishing.
Industrial concrete floor preparation by grinding, Xtreme Polishing Systems provides a smoother concrete flooring surface, so when the new floor coating is applied, it will appear uniform and smoother. The grinding process replaces and eliminates pulverization methods like shot blasting, creating less micro-fracturing in the concrete, and often improving adhesion as a result.
Micro-fracturing can create tiny fractures at the surface of the concrete that can cause the concrete to loosen, a mini-version of scaling. Grinding is a gentler way to remove thin film coatings without damaging the integrity of the concrete.
Industrial Grinding concrete can be used in conjunction with other methods of floor removal such as shot blasting, scarification, pressure cleaning, even milling. These other methods remove thicker concrete coatings and grinding concrete can then be used to complete the finer finishing.
Grinders use horizontally rotating discs to perform a multitude of tasks, from light texturing to open the pores of the surface to removal of paints and thin coatings. The key to their versatility are the grinding attachments, which are available in a variety of types and grits to suit different applications. Because grinders use rotary action rather than impact to remove material, the depth of material removal is limited to about 1/8 inch, depending on the type of attachment used. They generally leave behind a smoother profile than scarifying or shot blasting, and when working on hard, dense concrete they may polish rather than abrade the surface.
Applications of Industrial Concrete Grinders:
Many of today’s grinders can serve multiple functions and are generally more adaptable than other types of surface prep equipment, especially when it comes to decorative work. They are a good solution for profiling floors before application of thin coatings or paints because they won’t create ridges in the surface, as can scarifiers. Other applications include breaking up deposits of grease, dirt and industrial contaminants and leveling uneven joints or high spots. Many contractors also use grinders with finer-grit abrasives to polish concrete surfaces.
Tips for Best Results
- Despite their versatility, grinders generally aren’t designed for aggressive profiling jobs, and there are certain coatings a traditional grinder just can’t remove. They are most effective at removing thin coatings and paints or for cleaning and lightly abrading floor surfaces.
- When deciding between tungsten carbide and diamond attachments for coating removal, the main factors to consider are the material type and thickness and the strength of the mechanical bond to the surface. One manufacturer offers this tip: If the material to be removed can be cut with a knife, use tungsten carbide. Diamond segments are more suitable for thinner coatings.
- When using diamond tooling, it’s important to choose the right bond hardness of the matrix (the material that holds the diamond segments) to achieve greater efficiency and to maximize tool life. In general, use a hard bond when grinding soft materials and a soft bond for hard materials. Softer materials wear away the diamonds more quickly.
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