Why Choose Us
Our Company
CFS is a national high-tech enterprise specializing in the R&D, design, production, and sales of floor machinery, equipment, and materials in the concrete field, as well as providing engineering and technical services.
Our Products
Concrete floor grinder / industrial vacuum cleaner / floor scrubber / concrete sealer & hardener / grinder disc.
Quality Assurance
We implement a strict quality control system where each product undergoes over 12 hours of inspection to ensure superior quality.
Our Services
Our professional sales team customizes construction schemes for customers, providing floor system solutions and recommending supporting products.
What is Concrete Floor Grinder
A concrete floor grinder is a floor machine that is used to grind, polish, and hone concrete. It's typically a machine that has a horizontally rotating head or multiple rotating heads which rotate a set of diamond grinding discs to level, smooth, or clean concrete surfaces. The basic operation of a concrete floor grinder is one where you attach diamond grinding tools to the machine depending on the task you're doing which is why concrete grinding is also referred to as diamond grinding.
Polishing Concrete Floor Grinder
1. The planetary disk elf has uniform cutting force.
2. Flexible and compact, easy to transition
3. Siemens Bader motor, stable and efficient.
Model: GD-N718
Voltage: customizable
Motor: 15Kw
Frequency: 50/60Hz
Rated current: 30A
Electric machinery: 7.5kw
Electric current: 15A
Voltage: 220/380/460V
Frequency conversion: 10HP
Frequency: 50HZ/60HZ
Model: GD-HSP718
Voltage: 380V
Motor: 9.5KW
Machine Net Weight: 200kg
Work width: 27INCH
The new color matching and humanized design, unique logo and it also continue Cornus's efficient style, meet all construction environments, and enable all floor builders to use quality grinders.
Concrete Polishing Machine Floor Grinder
Model: GD-918
Voltage: customizable
Frequency: 50/60Hz
Rated current: 37A
Grinding path: 920MM
Floor Grinders Concrete Grinder
High efficiency and durability, extremely cost-effective. Double efficiency, save manpower and show strength. The first choice of quality floor construction industry and commerce.
Model: GD-S718
Voltage: customizable
Frequency: 50/60Hz
Rated current: 30A
Grinding path: 700mm
Floor Concrete Grinder Machinery
Model: GD-S718D
Voltage: customizable
Frequency: 50/60Hz
Rated current: 30A
Grinding path: 700mm
Restore concrete surfaces
Concrete floor grinder removes all imperfections and inconsistencies in the concrete, resulting in a smooth and usable surface. Old and damaged concrete surfaces can be restored to their former glory and used for years and years to come.
Remove paint, epoxies, dirt
Grinding removes paint, epoxies, dirt and other remnants left on the concrete. The grinder rubs against the top layer of the floor leaving a smooth surface.
Improves Safety
Concrete floor grinder can enhance safety by transforming a rough and damaged floor into a smooth, hard surface, reducing the risk of injury for homeowners and visitors. Additionally, when applied to driveways, it can create a quieter and more slip-resistant surface for vehicles.
Easily install flooring (tiles, floorboards, carpets etc.)
Once the grinding has been completed and the smooth surface is left, any type of flooring option can be installed with ease. Floor preparation is key in the longevity of any kind of flooring option.
Improving surface reflectivity
Grinding can improve the reflectivity of polished concrete floors, creating a brighter and more attractive surface.
Cost effective option
Grinding an existing concrete slab is more cost-effective than removing and installing a new one. Additionally, it can save money on the installation of other flooring systems which require a level and even surface for proper installation. Installing tiles or timber over an uneven surface can also be difficult and costly as the installers attempt to make the surface level. By grinding down the concrete to a smooth surface, you can save money in the long run.
Perfect for warehouses
For warehouses or homes concrete is the ultimate flooring option. We've spoken about the benefits for the home and for the kids, but concrete floors is also an ideal suface for warehouses. Concrete floor grinder ensures that the floors are in perfect working condition. It ensures not only the longevity of the floor but its durability given the high traffic nature of a warehouse.
Types of Concrete Floor Grinder
Planetary Grinders
Planetary grinders have multiple pads that spin simultaneously at different speeds to refinish the floor. These grinders are usually lighter and easier to maneuver than other concrete grinders. As you push a planetary grinder across the floor, you can cover the same location with different types of pads in order to create an even finish. Planetary grinding machines are ideal for smoothing and surface preparation jobs. With the proper skill, even polishing concrete floors with a planetary grinder is possible. However, for many restoration projects, a planetary grinder may not be strong enough to get the job done. Still, these grinders are usually easier to transport and use, so they may be a valuable asset to your collection regardless. As you use your planetary grinder over time, it may require more maintenance, such as replacing belts or pulleys.
Rotary Grinders
Rotary grinders have a single large pad that moves at a high speed to refinish a concrete floor. This large concrete floor grinder is the primary tool for many concrete flooring experts. A rotary concrete grinder has a higher rotational speed than other types, but this style is generally much more difficult to maneuver due to its weight. These tools are used for more intense jobs, such as removing a stain from an existing floor or changing the floor's exposure. A rotary grinder is a must for grinding and sealing a concrete floor. However, if you're still Googling how-to information on grinding concrete floors, then this tool might be beyond your skill range. A rotary grinder might take more time to refinish a floor, but there is also less of a chance you'll need to go over the floor more than once to get the smooth, even surface that you're looking for.
Grinding down rough concrete surfaces
One of the primary uses of a concrete floor grinder is to smooth out rough or uneven concrete surfaces. These machines use a rotating disc that grinds down the surface of the concrete, creating a smoother finish. This can help prepare a surface for coating or sealing, or for removing any bumps or ridges that may cause tripping hazards. When it comes to concrete grinding though, you have to make sure that you're using the right type of machine for the job.
Grinding down asphalt surfaces too
When you need to remove an asphalt surface, a concrete floor grinder can be very helpful. Asphalt is a type of concrete, but it's much harder and more durable. This means that you'll need a stronger machine to grind it down. You should only use a concrete floor grinder designed for asphalt if you're sure that the machine can handle it. Otherwise, you could end up damaging your machine or the asphalt surface.
Removing rust or corrosion from metal surfaces
A concrete floor grinder can also be used to remove rust or corrosion from metal surfaces. This process can be difficult and time-consuming, but a floor grinder can make it much easier. Disc grinders can be used to remove large amounts of rust or corrosion at once but they can be a bit heavy and difficult to operate. Angle grinders can be used for more detailed work and they are smaller and lighter than disc grinders, making them easier to use.
Remove paint or sealant from concrete surfaces
Another common use of a concrete floor grinder is to remove paint or sealant from concrete surfaces. If you're looking to get rid of an old coat of paint or sealant and reveal the natural beauty of the concrete beneath, a floor grinder is a perfect tool for the job. Different types of grinders available can be used for this purpose, so make sure to choose the one that is best suited for your needs.
Remove epoxy or adhesive from concrete surfaces as well
Another common application for a concrete floor grinder is to remove epoxy or adhesive from concrete surfaces. Epoxy and adhesive can be difficult to remove, but a floor grinder can make the job much easier. Different types of grinders available can be used for this purpose such as the aforementioned disc grinders or angle grinders. Disc grinders can be used to remove large amounts of epoxy or adhesive at once, while angle grinders can be used for more detailed work.
Polishing concrete floors
In addition to grinding and removing paint or epoxy, a concrete floor grinder can also be used to polish concrete floors. This is done by using a rotating disc that contains abrasive materials, such as diamonds, to polish the surface of the concrete. This can give your concrete floor a high-gloss finish and make it look like a shiny new penny. When your concrete floors are polished, you may no longer need to use a sealant or coating to protect them.
Preparing a surface for coating or sealing
Another common use for a concrete floor grinder is to prepare a surface for coating or sealing. This process involves grinding down the surface of the concrete to create a smooth, even surface that will allow the coating or sealant to adhere properly. This is an important step in ensuring that your coating or sealant job lasts for many years to come. Different types of grinders can be used for this purpose.
Cleaning concrete floors
When you want to have your concrete floors looking their best, you may need to do more than just sweep and mop them. A concrete floor grinder can be used to clean concrete floors by removing dirt, debris, and stains. This is done by using a rotating disc that contains abrasive materials to grind the surface of the concrete. This can leave your concrete floors looking like new. Different types of grinders can be used for this purpose, so make sure to choose the one that is best suited for your needs.
Grind down concrete to create a new surface
In some cases, you may need to completely remove the top layer of concrete and replace it with a new one. This is often done when the original concrete surface has been damaged or is no longer in good condition. To do this, you will need to use a concrete floor grinder to grind down the surface of the concrete. This will create a new, smooth surface that you can then lay down a new layer of concrete on top of.
The working principle of a concrete floor grinder involves the utilization of abrasive discs or wheels that rotate at high speeds to remove irregularities, imperfections, and coatings from the surface of a floor. The machine's grinding action is achieved through the abrasive particles on the rotating discs, which effectively grind or polish the floor depending on the specific requirements. The level of aggressiveness in grinding can be adjusted based on the type of abrasive used and the machine settings. Typically, the concrete floor grinder is guided by an operator to ensure precision and control, resulting in a smoother and more refined surface finish. This process is integral to the preparation and maintenance of various floor types, offering a solution for achieving desired surface characteristics.
Named for its similarity to how the solar system works, planetary grinders are configured with one large plate that serves as the central point to several smaller discs that rotate at different speeds using belts and pulleys. The smaller discs do all of the grinding and polishing while the large plate stays in its central position, never coming into contact with the floor. Planetary grinders are generally lightweight and easy to maneuver in a straight line, making them an excellent option for less intensive tasks like smoothing a garage floor.
Rotary concrete floor grinders are much heavier than their planetary counterparts and are best used for larger, more aggressive jobs. Instead of a belt and pulley system, rotary grinders use heavy-duty geared construction. When it comes to plate configuration, rotary grinders use either one or two large rotating discs or several small rotating discs that directly grind or polish the floor. While the heavier weight can help speed up the process, it also makes the machine much harder to maneuver, thus requiring a higher skill level.
While both have their pros and cons depending on the job, one of the most significant advantages planetary grinders have over rotary grinders is the ability to cover larger surface areas with its multiple rotating discs evenly. This gives the machine much better balance compared to its one- or two-headed counterpart, thus offering more even weight distribution and less operator fatigue. When you add its ease of use to its lighter weight, it's obvious the planetary grinder is the way to go. The next step is finding the best one to get the job done.
How to Grind Concrete Using a Concrete Floor Grinder
Choose the right grinder
Choose the right grinder for the project. Handheld grinders are great for working in tight spaces or corners. Walk-behind grinders can cover large surface areas quickly and are perfect for applications involving sidewalks or large slabs.
Walk-behind grinders come in two main categories: rotary grinders and planetary grinders. Rotary grinders generally feature one or two large discs that rotate and directly grind the floor. Due to their significant weight, they're reserved for intensive applications, such as removing thick rubber coatings or layers of paint. Planetary grinders have multiple discs that spin simultaneously but at different speeds. This allows them to remove material and finish a floor at the same time. They're generally used for less intensive grinding tasks, like smoothing a concrete slab or preparing a surface for an epoxy coating.
Choose the right cutting tool
Silicon carbide stripping wheels work well for topical concrete floor cleaning and scraping jobs. Diamond wheels can handle both light and heavy-duty jobs. Use a diamond wheel with a lower grit when aggressive grinding is required, and a higher grit for general-purpose grinding jobs and polishing. PCDs, or polycrystalline diamonds, are used for very aggressive applications such as removing industrial coatings.
Choose the right bond
Softer bonds are good for less abrasive surfaces, such as concrete made with river rock. Harder bonds are ideal for concretes with high sand content. Not sure what you're working with? Start with a medium bond.
Check the level of the grinder discs
The goal is to have 100% surface contact. Hold the machine in place for several seconds, then look at the pattern it leaves. You should see a full circle ground into the surface. If you see a half-circle, follow the directions for adjusting the level of your grinder. If you're working over a large area, perform the level test periodically and adjust the grinder level as necessary.
Plan your path
Electric cords and hoses can get in the way when you're using a concrete floor grinder. Plan your path to make sure you stay connected without getting tangled up.
Create a plan to control dust
It's important to understand how to reduce dust when grinding concrete. If you're working indoors, seal doorways with plastic sheeting and remove or protect furniture. Consider moistening the floor with a water sprayer. Use an industrial dry/wet concrete dust vacuum to suck up any debris and dust.
Wear appropriate PPE
Wear safety glasses or goggles, and add a face shield if necessary. Safety boots, knee pads and gloves are also smart. To protect your lungs from crystalline silica, wear a dust mask or respirator.
What Criteria Should You Consider When Looking into a Concrete Floor Grinder?
The Size
The bigger the machine, the more efficient you'll be at completing a bigger job. However, size also determines how portable the machine is. So, if you have a really big machine, but you're only working on about 500 square feet in the basement, a big machine may be impractical.
So, smaller machines and more suited for smaller jobs, and bigger machines are suited for bigger jobs.
Power Source
Most grinding machines will run on a 220-type circuit, especially in North America.
Some smaller machines however will run on 110 volts so you can plug them into any standard electrical power source.
And the reason that is important is that you can take these floor grinders up and down a flight of stairs and you use them for both residential and small commercial and industrial type jobs.
As soon you get into the bigger jobs and large floor spaces (3000 sq ft and above), you'll need to consider a larger machine that would typically require a 220-volt power source.
There's a third kind of floor grinder which is gas or propane-powered. However, propane-powered machines are only permissible in certain places.
Portability
The 3rd criterion to consider is portability. If you need to transport your floor grinder in a small car or need to carry it up and down the stairs without hiring some extra help, then a small, single disc 17" to 20" floor grinder would probably be the most practical for you.
● If your diamonds begin to glaze and become ineffective when you're working on a hard, dry surface - use silica sand as a secondary abrasive to keep them sharp.
● If you're removing tacky tile glue or other adhesives - add sand to the surface. Adding sand will ball up the material to make it easier to remove.
● Consider adding weight to your dual-disc grinder if the grinding process is taking too long. The more weight, the more aggressive the grinder will be. But don't go overboard; adding too much weight can bog down the motor and damage the machine.
● Watch the belt tension. Unusual noise, high machine temperature and premature belt and pulley wear can be indications that the belt tension needs adjusting.
● Grease the bearings and perform other maintenance as outlined in the manual. (If you've rented the machine from a reputable equipment provider, it should be ready to go.)
What's the Roi of a Concrete Floor Grinder
Using high-powered concrete floor grinders can save contractors time and money on flooring projects. If you offer grind and seal concrete floor services, you may be renting a grinder to help with the occasional job.
Getting a powerful grinder outright can make the cost to grind concrete floor much lower for you, which means you can pass those savings along to your customer.
Whether you're grinding a concrete floor level, removing layers of glue, or preparing concrete for staining, having a large concrete floor grinder pays for itself.
If you've been wondering "how to grind concrete floor," you'll be surprised to learn how easy it is with one of these powerful tools.
Our Certifications
CFS is a national high-tech enterprise specializing in the R&D, design, production and sales of floor machinery and equipment and floor materials in the concrete field, as well as engineering and technical services. CFS is always advocates the concept of quality flooring, takes the lead in introducing high-quality solidified flooring and diamond crystal flooring in the industry. Combines its own product system advantages to jointly create domestic first-class quality flooring with excellent domestic franchisees. It has provided integrated system solutions for thousands of engineering projects.
Ultimate FAQ Guide to Concrete Floor Grinder
Hot Tags: concrete floor grinder 220v, China concrete floor grinder 220v manufacturers, suppliers, factory, floor grinders concrete grinder, concrete grinder, floor grinder, floor concrete machine, concrete grinding, concrete sander