R650 Automatic RC Concrete Floor Grinder
Basic function:
1, both grinding and polishing 2, both wet and dry working 3, customized plate as per request 4, walk wheel for easy delivery 5, variable speed 0-1800 RPM
Highlights compare to counterparts:
1, High precision planetary gear box (no belt), don't need to always replace the belt! 2, Strong mechanical construction fit to rough floor and grit 6#, PCD grinding. 3, Very short turning radius because each wheel is controlled by independent motor. 4, 50-100 meters wireless radio controlled. 5, Automatic water system.








Fine grinding and polishing,
Leveling of uneven spots and surfaces,
Polishing and Grinding of concrete surfaces,
Removing of adhesive residues, painting, coatings, putty, epoxy and cement slurry.

4 Head | R650 | R750 | R850 |
Width | 650mm | 750mm | 820mm |
Disk size | 254mm | 280mm | 320mm |
Weight | 580KG | 620KG | 713KG |
Speed | 0-1800 rpm | 0-1800 rpm | 0-1800 rpm |
Motor | 15HP | 20HP | 25HP |
AMPS | 22 | 30 | 37 |
Phase | Three Phase | Three Phase | Three Phase |
Machine Construction
2, Auto walking motors
3, Wheels
4, LED light
5, Handle with adjustable height
6, Inverter
7, Extra weight to increase grinding pressure
8, Rubber dust skirt. Suction pipe for industrial VAC
9, Gear box
Features
2, Aluminum integral casting gear box
3, Quick-change magnetic tooling systems
4, Variable-speed soft start
5, Both grinding and polishing
6, Big water tank for wet polishing
7, 50mm dust port and thick rubber dust skirt for dry polishing dust control
8, Be good at high gloss and smooth surface polishing

Grinding plate can be customized base on your diamond types, then you can use just one type diamond tooling for all your machines.

Company Profile
Our advantage
2, Own two factories and one software office, in Shanghai and Suzhou.
3, Product range include concrete grinder, vacuum cleaner, floor scrubber, diamond tooling and many related machines.
4, More than 70 machine models, one stop buying service.
5, Own CNC machines, welding robot, laser cutting machine, spinning lathe etc. The high precision and quality is controlled by these high tech equipment and professional R&D staff.

A1: Yes, we have our own diamond workshop and make the diamond tools ourselves.
Q2: How long is production time for one container?
A2: For hand push machine is 2-3 weeks, for remote control models usually take 3-4 weeks.
Q3: You are based in Shanghai?
A3: Yes.
Q4: Do you have any advantages over other suppliers in terms of design?
A4: Yes. For example, we use seamless plastic water tank, aluminum casting mold grinder head which is stronger and add grinding pressure.
Q5: What is the warranty on the products?
A5: 1 year warranty for machine.
Q6: Do you recommend buying spare parts already with the order?
A6: Yes, we will recommend some spare parts.
Q7: What parts are usually needed for replacements?
A7: Resin pad holder, rubber cushion, dust skirt, switch.
Q8: Does your gear quality better than those from other company?
A8: Yes, we make the gear our own. JS gear is skewed tooth and being heat treatment processed which guarantee stable performance and long life time. But many company don't use such gear because this gear need high-precision process. We make the gears with CNC machine.
Q9: Do you offer diagrams for electrical and electronic layout for your machines?
A9: Yes, come with machines.
Q10: Is your company ISO registered and approved?
A10: Yes, we have got ISO, CE and SGS certificates.