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Concrete Grinder

HW-G9/G10 220/380V 4 Head Planetary Plates Concrete Floor Grinder

Key Features

4 planetary heads make the machine more smooth and stable;

HW-G9 has 900mm wide plate and 15hp power guarantees large job;

Automatic level adjust system ensures good smoothness and stable operation.

The grinding disk could be versatile for different shape of diamond tools;

3 phrase frequency converter is up to 2000 rpm, which could increase machine's capability,but the motor is manufactured to be very tolerant to voltage drop in a large scale.

Product Details technical specification Packaging & Delivery after sale

HW-G9/G10 220/380V 4 Head Planetary Plates Concrete Floor Grinder

HW-G9 is a 4 head grinder with an all gear drive system that perfectly balances the machine and makes grinding completely level. The design of four abrasive plates to be more smooth and fast.

HW-G10, 10hp, grinding width 600mm, 4 grinding plates, 12 pieces of diamond tool. With the magnetic disk and Velcro, It is very easy and shift to change diamond tool. The design of square disc plate could 100% touch wall and grind corner.

HONWAY square plates would not leave trace on floor, as I know some machines like G10 usually leaves trace on floor, which is caused by the design problem, as the disc plate can’t cross very well.G10 would have not this problem.


Concrete floor preparation

Concrete grinding and surface leveling

Horizontal floor surface preparation

Concrete floor repairing

More detail

HW-G9/G10 is driven by gears, planetary design. The planetary gearbox has four grinding disc. It can improves more 30% in working efficiency than 3 heads. It combines the advantages of planetary design and square design-high working performance and stability. 30% higher efficiency but operates very stable.HW-G9/G10 concrete grinder general introduction

HW-G9/G10 concrete floor grinder machines have the key features: the gear box is the soul of the concrete floor grinder.

The quality and performance of floor grinding machine depends mainly on the gear box. We could say the gear box is the soul of the machine. The quality of gearbox is closely related with many factors: design, material, process, assembly, etc. HONWAY has a team of experienced gear engineers and processing workers, who participate on the improvement and quality control of gear box.

how to prevent the problem of oil leak?
Oil leak of the gear box is a very troublesome problem for contractors, but it is also a unavoidable problem. The rotation of gears causes high temperature and high pressure inside the gear box, the oil insides will penetrate to outside to release the pressure.

leak oil from sides,leak oil from shafts, leak oil from seals
Oil leak is also related with the gearbox: its design on leak oil, manufacture, porcess, etc, even with the assembly.
HONWAY gear box, gears, shafts, and sleeves are precisely proceed and the tolerance is controlled carefully, for make sure the gap is very tiny.Double seal design: around the output axis, two seals are put, for block oil. Good quality on seal and O ring-heat resistant, wear resistant. for example, the seals is TTO brand, which is from Taiwan enterprise.
Good quality on seal and O ring-heat resistant, wear resistant. for example, the seals is TTO brand, which is from Taiwan enterprise.

What the electrical elements protect? the machine? No, they protect human beings.

Concrete grinder needs people to operate very closely, and by hands, so the electrical elements are extremely important for the safety of human beings. In actual grinding floor, the electrical conditions are very complex: overload, under-voltage, exceed current and so on, which threaten the safety.

HONWAY electrical suppliers not only provides products, but also participate in the design of HONWAY electrical system, for the safety of human beings and machine.

HONWAY use pure copper motor, sunye inverter, IP67 industrial plugs. Motor factory is an old one with 50 years, and only uses pure copper as the material. The motor is built-in overload protection, leakage protection, phase loss protection. Sunye inverter, one of top ten low-voltage inverters bands in China, is involved in the design of HONWAY high-performance current vector inverter.

IP67 industrial plugs, water proof grade, no problem for wet grinding environment. The wires are thick enough to afford big electrical current.
concrete floor grinding pad

concrete floor polishing pad

production flow: processing the metal plate, sanding and welding, pickling and painting, CNC making spare parts,


CNC making gear box, gear grinding machine makes gears, assembling the gear box, testing the gear box within 48 hours, equipping the electrical motor, equipping the frame and inverter, testing the machine by QC, pack with plywood pallet and box.

Model HW-G9 HW-G10A HW-G10B
Power 380V/11KW 220V/7.5KW 380V/7.5KW
Hertzs 50/60HZ 50/60HZ 50/60HZ
Inverter 15KW 11KW 11KW
Current 22.6A 26.7A 15.5A
Plate Speed 300-1800rpm 300-1800rpm 300-1800rpm
Disc Diameter 250mm*4 250mm*4 250mm*4
Extra Weight 20KG 20KG 20KG
Work Area 900mm 650mm 650mm
Weight 300KG 270KG 270KG
L*W*H 1200*700*1130mm 970*650*950mm 970*650*950mm


package: conform to export standard. 12-15 mm thick plywood and pallet, which could afford up to 1000KG. The package is not made by HONWAY company, but by the professional package company.


1. The machinery is usually delivered by sea shipping, delivery time is 15-35 days.
2. The consumables and spare parts can be delivered by Express like DHL...Delivery time is 3-7 days.
3. The cargo also can be sent to the destination airport,which is more economic than Express, Delivery time is 3-5 days.

All gear box have been tested 48 hours before leaving factory.

All machine problem can be traced to individuals in the factory.

1 year warranty on the motor, invert er  and gear box.

After warranty, the spare parts are sent by DHL.

Spare parts are always stocked, even if for the old models.

For over 10 sets machines, HONWAY send the technician for training.


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