Choosing the Right Concrete Floor Grinder. Floor grinder with vacuum

How Much Will a Concrete Grinder Remove?

Property building and management cause a lot of stress for the owners and contractors undergoing the work. You can quickly overlook the little things as you aim to meet deadlines and produce good quality jobs. As such, it may be easy to overlook the importance of concrete grinding.

Concrete grinding is an important part of any construction project as it removes layers of existing concrete and levels out irregularities, creating a smooth surface that is ready for whatever comes next. But how much will a concrete grinder actually remove?

What is Concrete Grinding?

Last year, we saw a 4.8 percent increase in authorized building permits. This signals that more construction projects are moving forward and that means concrete grinding is increasingly important.

Concrete grinding is a process of using an abrasive tool, such as a diamond wheel or a handheld grinder, to grind down the rough surface of existing concrete in order to level out any irregularities and create a smoother surface.

When Should You Use a Concrete Grinder?

Concrete grinding can be used for a variety of reasons such as leveling out uneven floors, smoothing down rough edges, and even removing old deposits of glue or paint. It is important to choose the right grinder for the job so you can ensure that it will provide the best results.

Generally speaking, concrete grinders should be used when there is at least one quarter of an inch to remove before the surface can be level. The everyday wear and tear of concrete floors can cause them to become stained, scratched or otherwise damaged. What’s more, some adhesives like glue may be impossible to remove once they have set on the surface. That’s why a concrete grinder is an essential tool that can help you fix these issues. Concrete, if left untreated, would appear porous and uneven, and a concrete grinder will quickly remedy this.

In addition, concrete grinding is a better alternative to removing and replacing worn concrete surfaces as the concrete grinding cost is far less than replacement costs. So, before you try to install a new concrete floor, consider using a concrete grinder to restore the existing concrete surface instead.

How Much Can a Concrete Grinder Remove?

Concrete grinding depends on the type of grinder and the abrasive tool you’re using, but an average standard angle grinder can remove up to 1/16” of material in one pass, though deeper cuts are possible with multiple passes. On the other hand, if you are trying to remove at least 1/8 of the concrete flooring, it will require two passes to achieve. It is important to note that the depth of cut should be determined before beginning the job so that you get the best results.

For example, if your goal is to level out an uneven concrete floor, then the grinder should be set to remove just enough material to level the surface area. But if you are trying to remove old paint or adhesive from a concrete surface, it is best to start with a light shallow cut and increase the depth of cut as needed until all of the material has been removed. As for removing several layers of epoxy and concrete, the grinder should be set to make a deep cut in order to remove all of the layers.

Nonetheless, the amount of material that a concrete grinder can remove depends on the type of machine and its specifications, such as its horsepower and disc size. A single disc grinder is best for lighter jobs such as polishing surface imperfections, while a dual disc grinder will provide more power and is best suited for heavier jobs.

The Concrete Grinding Process

Planetary grinders on the contrary, are more powerful than a single-disc or dual-disc grinder and can remove up to ¼” of concrete material in one pass. This makes them ideal for aggressive grinding of large surface areas, as they are capable of removing the most amount of concre

Before you begin the concrete grinding process, it is important to make sure the area is clean and free from dust, any debris or obstructions. This will help ensure that the grinder can work more efficiently when it comes to removing even layers of concrete. Additionally, make sure to wear safety glasses and a dust mask while grinding to protect your eyes and lungs from any hazardous particles.

Once the area is prepped, begin the grinding process by using a slow speed diamond cup wheel for surface removal or for more precise applications, switch over to diamond polishing pads. Increase the pressure of the concrete grinder as needed in order to make sure all the excess concrete material is being removed.

After you are done grinding concrete, it is important to vacuum the area with a shop vac or industrial vacuum cleaner in order to remove any remaining dust particles from the floor surface. This will help avoid any issues that may occur due to dust and debris clinging to the flooring.

Finally, use an industrial-grade sealer to protect the concrete floor from any future damage and discoloration. Doing so will help extend the life of your concrete floor while keeping it looking like new.

A polished concrete floor is a great way to give any room a modern face lift and achieve a sophisticated aesthetic. With the help of a concrete grinder with the right attachments, you can easily level out uneven floors, restore old or worn surfaces, or remove paint and adhesive from concrete slabs and surfaces.

Final Thoughts

Concrete grinding is an effective way to improve a concrete surface’s appearance and can even increase its longevity. With the right tools, this process can be completed with minimal effort and time. As long as you properly prepare the area, use the right type of grinder and diamond tools, and apply a sealer to protect your flooring afterwards, concrete removal and grinding can be completed with precision and ease.

Why You Need a Concrete Floor Grinder

When it comes to all-in-one construction tools, a concrete floor grinder is a must. Whether the job involves grinding down uneven concrete slabs, leveling joints, removing stubborn tile or vinyl glue, smoothing and polishing surfaces, or even cleaning industrial contaminants, these powerful machines eliminate the need for chemical etching, making quick work out of concrete surfacing jobs both big and small, However, not all concrete grinders are created equally, which means choosing the best one for the job is key to getting it done right.

Which Floor Grinder is Right for You?

Concrete floor grinders come available in two different sizes: handheld and stand-up. Handheld floor grinders are great for tight spaces but can be limiting when used for bigger projects. On the other hand, stand-up grinders are usually about the size of a standard vacuum and offer several advantages over their handheld counterpart, including getting the job done faster and easier.

Weight is an important factor in concrete surface grinding and polishing. While handheld grinders may come with the convenience of portability at a lower price, they come with the additional cost of time and labor – not to mention a much larger margin for error.

Applying even weight distribution when grinding or polishing a concrete surface can be challenging to achieve when using a handheld grinder – especially when its operation requires getting on the hands and knees. On the other hand, stand-up concrete grinders allow users to keep their feet on the ground while the machine’s weight does the work for them, making them ideal for both large jobs or simply getting any job done more efficiently.

When it comes to choosing the best concrete floor grinder for your needs, you’ll also find two different types to choose from: planetary and rotary. The main difference between the two is in the configuration of the machine’s grinding discs and weight.

Planetary vs. Rotary Concrete Grinders

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 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.

Introducing the VSG-10 Stand Up Variable Speed Grinder 242

If you’re looking for the best concrete grinder for both large and small jobs, then look no further than the VSG-10 Stand Up Variable Speed Grinder by U.S.SAWS. Built with a 115V motor to make finding a power supply easy, the VSG-10 is configured with a large grinding plate that fits either 3 or 6 “fast change” diamond segments available in various bonds grits. Complete with Velcro resin holders, you’ll find that any 3″ resin, ceramic or hybrid tooling works great with this powerful yet lightweight machine that requires no more than two people to lift up or down a flight of stairs.

Coming in at 175 pounds, this lightweight Champion can handle both large and small jobs, from quickly prepping or polishing a 2-3 car garage to serving as an edger in tight spaces where larger grinders just won’t fit. It also makes an excellent coating removal tool when used with PCD segments. For example, the 2 Quarter Round PCD Fast Change Removal Wing is ideal for aggressive jobs like removing thick coatings, epoxy, urethane, and other membranes. At the same time, the #16/20 Grit Premium Double Bar Wing is ideal for smoothing and cleaning, and coating removal, depending on the grit selected.

When it comes to getting the job done faster, easier, and more efficiently, there’s no better concrete floor grinder than the VSG-10 Stand Up Variable Speed Grinder from U.S.SAWS.

Floor Grinder

Powered by only 110 V or 230 V single phase our grinder reaches the class of 3 phase machines with the weight of only 43 kg !

• Of course dust free due to an integrated dust port
• Handle bar removable and adjustable for height
• Within seconds small enough for a car boot
• Removable dust shroud
• Grinds up to the wall
• Replaceable diamond segments
• Flexible coupling
• Various Tools

ALPHA-S

The proven “ALPHA” grinder also available with the speed control.

OMEGA-230

The universal machine for concrete, asphalt, wood, steel and formwork. Outstandingly versatile, the OMEGA performs many different operations. OMEGA combines impressive high performance with low weight. Even grinding concrete is no problem. The simple design of the OMEGA ensures easy operation. The handlebar can be quickly adjusted for operator comfort and control. Noise and vibration levels are minimal during normal operation. The compact dimensions and low weight of the OMEGA llow it to pass through all doors and be transported to every floor level, even onto a balcony. Edging work need no longer be completed using an angle grinder. The OMEGA can grind within a few millimeters of a wall. Operating the OMEGA with a suitable vacuum unit ensures dust free operation.

• 230 V, 1 Phase motor
• Grinding of concrete, steel, asphalt and wood
• Removal of paint and coatings
• Edging work in buildings
• Cleaning and maintenance of formwork
• Cleaning of floors
• Preparation of concrete

OMEGA-400

The universal machine for concrete, asphalt, wood, steel and formwork. Outstandingly versatile, the OMEGA performs many different operations. OMEGA combines impressive high performance with low weight. Even grinding concrete is no problem. The simple design of the OMEGA ensures easy operation. The handlebar can be quickly adjusted for operator comfort and control. Noise and vibration levels are minimal during normal operation. The compact dimensions and low weight of the OMEGA llow it to pass through all doors and be transported to every floor level, even onto a balcony. Edging work need no longer be completed using an angle grinder. The OMEGA can grind within a few millimeters of a wall. Operating the OMEGA with a suitable vacuum unit ensures dust free operation.

• 400 V, 3 Phase motor
• Grinding of concrete, steel, asphalt and wood
• Removal of paint and coatings
• Edging work in buildings
• Cleaning and maintenance of formwork
• Cleaning of floors
• Preparation of concrete

OMEGA P

The proven OMEGA P power grinder with gasoline engine. Ideal for construction sites without electricity.

The wide range of grinding tools makes the OMEGA P grinders extremely versatile Superb results on most types of floors, including concrete, terazzo and asphalt.

The universal machine for concrete, asphalt, wood, steel and formwork. Outstandingly versatile, the OMEGA P performs many different operations. OMEGA P combines impressive high performance with low weight. Even grinding concrete is no problem. The simple design of the OMEGA P ensures easy operation.

The handlebar can be quickly adjusted for operator comfort and control. Noise and vibration levels are minimal during normal operation. The compact dimensions and low weight of the OMEGA P allow it to pass through all doors and be transported to every floor level, even onto a balcony. Edging work need no longer be completed using an angle grinder. The OMEGA can grind within a few millimeters of a wall. Operating the OMEGA P with a suitable vacuum unit ensures dust free operation.

• Grinding concrete, steel, asphalt and wood
• Removal of paints, coatings and adhesives
• Edging of building surfaces
• Cleaning and maintenance of formwork
• Roughening of concrete floors and screeds
• Cleaning of floors

OMEGA 450 /h2>

The “All-Rounder” of the CONTEC Grinders and one of the most powerful grinders according to its weight. The new shaped disc with a diameter of 450 mm gives the OMEGA 450 an enormous cutting speed and an unprecedented grinding performance!

Thanks to the unique speed control from 0 to 1500 r.p.m. The OMEGA 450 feels at home on all kinds of different floors. from aggressive grinding of concrete, screeds and asphalt to the electronic “soft-start” for gentle polishing of design screeds, natural stone and terrazzo. The various tools available ensure easy removal of coatings, adhesives and paint residues and hard sinter layers.

DELTA II

The most advanced two speed grinders available. The wide range of grinding tools and operating options make the DELTA II grinders extremely versatile. They can grind most types of floors including concrete, terazzo and asphalt. The DELTA II grinders are ideal for surface preparation prior to the application of epoxy and similar coatings. They will effectively remove rubber deposits, adhesives, bituminous coatings and impacted dirt from factory floors. The DELTA II grinders are incredibly easy to operate and can be used with an industrial vacuum for a dust free working environment. Vibration and noise levels have been reduced to a minimum for the operator’s safety and convenience. The unique triangular shape of the grinding tools increases the performance and the overlap created helps prevent the “rings” normally associated with twin headed grinders. With no gap between the discs it is now possible to walk forward with the machine. The finish achieved with DELTA II grinders is extremely fine and swirl free, requiring only a minimum of coating to cover.

DELTA II-S

The DELTA II-S is the same as DELTA II but has one constant speed.

• The most advanced two speed grinders available.
• Wide range of grinding Tools make the DELTA II and DELTA II-S grinders extremely versatile
• Grind most types of floors including concrete, terazzo and asphalt.
• DELTA II grinders are ideal for surface preparation prior to the application of epoxy and similar coatings.
• Effectively remove rubber deposits, adhesives, bituminous coatings and impacted dirt from factory floors.
• DELTA II grinders are incredibly easy to operate and can be used with an industrial vacuum for a dust free working environment.
• Vibration and noise levels have been reduced to a minimum for the operator’s safety and convenience.
• The unique triangular shape of the grinding tools increases the performance and the overlap created helps prevent the “rings” normally associated with twin headed grinders. With no gap between the discs it is now possible to walk forward with the machine.
• The finish achieved with DELTA II grinders is extremely fine and swirl free, requiring only a minimum of coating to cover.

DELTA II-P

The proven power Grinder DELTA II with gazoline engine. Ideal for construction sites without power supply.

The most advanced two speed grinders available.

• Wide range of grinding Tools make the DELTA II grinders extremely versatile
• Grind most types of floors including concrete, terazzo and asphalt.
• DELTA II grinders are ideal for surface preparation prior to the application of epoxy and similar coatings.
• Effectively remove rubber deposits, adhesives, bituminous coatings and impacted dirt from factory floors.
• DELTA II grinders are incredibly easy to operate and can be used with an industrial vacuum for a dust free working environment.
• Vibration and noise levels have been reduced to a minimum for the operator’s safety and convenience.
• The unique triangular shape of the grinding tools increases the performance and the overlap created helps prevent the “rings” normally associated with twin headed grinders. With no gap between the discs it is now possible to walk forward with the machine.
• The finish achieved with DELTA II grinders is extremely fine and swirl free, requiring only a minimum of coating to cover.

ORBITER 450

ORBITER 450 is perfect for grinding and smoothing old, painted and damaged wood flooring as well as new ones, and works equally well when grinding plank flooring and parquet floors.

ORBITER 450 thanks to its size, is a very smooth machine that easily grinds close up to the wall. The adjustable speed allows you to adjust your speed according to the type of surface when grinding. Adjustable speed is often crucial when sanding wooden floors.

There are a large number of tools and sandpapers in different grits that can easily be mounted on the machine with velcro holders or our custom made discs.

The discs enable easy and quick handling when changing or assembling tools. With a simple touch the tools are fitted in custom cuts and with a light push they are in place.

For smooth and simple transport the ORBITER 450 is easy to separate into two parts.

ORBITER 500 i

ORBITER 500 i is a highly effective and powerful machine in contrary to its compact size. The machine has a high reliability and it is easy to get started with and simple to operate and maneuver.

It is a robust and strong machine for use when grinding concrete and stone. You can also use it for renovating, removing coatings and remove impurities from the surface.

For the ORBITER 500 i there is a large variety of grind-, polish-, scratch tools and sandpapers for different surfaces and conditions.

The ORBITER 500 i features 100% steel construction, along with our patented flex head system for reduced vibration and smooth operation on rough surfaces.

This construction gives a reliable machine with minimal maintenance.

ORBITER 500 PD

A new range of grinding machines. The ORBITER 500 PD is an efficient, strong machine for use when grinding concrete, stone and terrazzo. ORBITER 500 PD comes with a built-in water tank for wet grinding. This takes away the problem with external water supply. Superb handling in renovating, removing coatings and remove impurities from the surface.

ORBITER 500 PD has a large variety of grinding, polishing and scratching tools sandpapers for different surfaces and conditions. ORBITER 500 PD is made of 100% steel construction, along with our ‘Flex-Head’ system for reduced vibration and smooth operation on rough surfaces. ORBITER 500 PD. a superbly reliable machine with minimal maintenance. ORBITER 500 PD. equipped with adjustable speed, this makes the machine work very well on all types of surfaces, such as concrete, stone and terrazzo.

Optional extra weight available.

ORBITER 650

The ORBITER 650 is a robust and stable machine made of steel, designed for both residential and commercial projects with its grinding width of 650mm. The ORBITER 650 uses a patented planetary system to drive its three heads. This patented system uses a double-sided cog belt. The components are carefully chosen to ensure a safe dependable operation and high quality

ORBITER 650 is extremely durable and easy to maintain. The design helps to reduce the torque and stress on the operator. With the ORBITER 650 there is also the option for wet grinding by using the simple water connection.

ORBITER 800

The ORBITER 800 contra rotating floor grinder was designed with a FOCUS on the operator. This is demonstrated by the ergonomic handle design, ease of use, and advanced features that provide real time feedback to the operator. The machine features cast alloy components along with a floating shroud, designed for years of durability and dust free operation. The ORBITER 800 is equipped with a new toolhead for better balance and tool support and a new electrical cabinet with an improved cooling system that is sealed which protects the electrical components from heat and dust. The 370 mm wheels and the quick release makes it easy to operate and maneuver the machine manually.

From allowing the operator to be more productive on the job site to reduced down time for repairs and maintenance, The ORBITER 800 will help your business run faster – this is grinding in the fast lane for real.

The ORBITER 800 is also available in RC – remote controlled.

HW-G8 CONCRETE GRINDER POLISHER

Planetary counter rotation for excellent grinding surfaces.

Special design of disc available for different kinds of abrasive.

Well designed sealing system for gear box.

Recommended dust extractor: SP-D3.

Recommended generator: 33kw.

HW-G8 220V 380V CONCRETE GRINDER POLISHER

30 inches grinding width with 748lbs is suited for large size floor surfaces. It is mostly applied in three phrase; IP67 industrial plugs are waterproof and dust proof. Planet disc plates rotate conversely, creating a finer, denser, and more exquisite floor.

Honway gears are made by world top gear processing equipment Reishauer which guarantees that the gears are made solid, still keeps flexibility, but not elastic. Gears’ accuracy and solidity make sure that gears drives precise like a Rolex watch.

HW-G8 concrete grinder polisher is large size among the planetary gear structure series, the grinding width 750mm with 3 pieces of grinding disc, 15hp motor, 18.5hp inverter (220V), variable motor speed 300-1800rpm.

Compared to non planetary concrete grinder, the planetary grinder is more powerful and effective, maximizing overall production hours and minimizing maintenance time.

APPLICATION

Removing surface imperfections and contaminants.

Provides ideal preparation for thin film coating.

Grinding and Polishing Concrete, Terrazzo, natural and artificial stone.

TECHNICAL SPECIFICATION

Model	HW-G8A	HW-G8B
Voltage	380-440 V 3~	220-240 V 1~
Motorpower	11kw(15hp)	11kw(15hp)
Frequency	50/60HZ	50/60HZ
Inverter	11kw(15hp)	15kw(20hp)
Current	22A	39A
Grinding disc speed	0-900rpm	0-900rpm
Grinding disc	3×250 mm / 3×10″	3×250 mm / 3×10″
Grinding width	650mm(25.5″)	650mm(25.5″)
No.of diamond	9pcs	9pcs
Extra weight	25kg(55lbs)	25kg(55lbs)
Water tank	20L	20L
Weight	340kg(748lbs)	340kg(748lbs)
LWH	10007501050mm	10007501050mm

ADVANTAGES

Forward and reverse switch: change the motor direction has two benefits: to prevent uneven wear of the grinding disc and achieve a smoother floor finish.

Precise and strong gearbox: allows the machine on any rough surface without worry about belt loose.

Polyurethane rear wheels: heavy duty, for affords over 1000kg weight

Double oil seal: one is inside and one is outside the gear box, easy to replace, no need to open the gear box

Easy to maintain: all spare parts are assembled like building block. It is easy to enter into the machine heart.

Brand electrical parts: all electrical parts, including the buttons and cable, all from brand manufacturer, with CE and VDE certs.

Q: DOES YOUR FACTORY ACCEPT CUSTOM-MADE?

A: Yes, we can provide OEM and ODM service to customer. Including different color, motor, inverter etc. We also can mark your own logo and brand on the machine. You just need send us the drawing or sample, we will produce the according to them. And we will not sell this kind of products to other customers only if we get your permission.

Q: HOW TO KNOW YOUR MACHINES’ QUALITY BEFORE WE ORDER THE PRODUCT?

A: Firstly, we have the manufacture base of our own, CNC manufacture processing and QC check procedures. and more people in the world to use Chinese brand product because of the high quality and very good competitive price. we are specialized in producing floor grinding machines since 2006.

Secondly, we have sold our products to 100 countries around the world, we are developing and expanding distributors around the world, and also you can visit our factory at any time.

Thirdly, the warranty of motor, inverter and other main parts are ONE year.

We promise to help maintenance our machine forever. If exceed guarantee time, spare parts broken due to long time using, we will always have the spare parts in stock, you just need pay the cost price and Express fee of the parts, and we will send you steps or video to help you repair. Our after-sale service is open to you at any time, even during our holidays.

All in all, we welcome sample orders or come visit our factory to test the quality.

Q:WHAT SHALL I DO TO START CONCRETE FLOOR POLISH?

A: We recommend using a complete surface treatment system including: concrete grinder polisher machines, industrial vacuum cleaners (dustless)with Hepa filters, diamond tools, chemicals (thickeners, sealants, dyes-optional).

Of course it is also important to receive proper training to ensure that your project is completed in a professional, timely and cost-effective manner.

Q: ARE YOU REAL MANUFACTURER ?HOW CAN I VISIT YOUR FACTORY?

A: Yes of course, we are the manufacturer! We warmly welcome clients to visit our factory to inspect our factory at any time. Our factory is located in Changsha city (Well known Capital of Construction Machinery in China).