JS550 Concrete Grinder 5.5HP Floor Grinding Machine Concrete
It's a portable, light weight machine, with a 4KW single phase motor and inverter, grinding width is 550mm.
JS550 can do both wet polishing and dry polishing, both grinding and polishing. Just use different diamond tools.
1, Both grinding and polishing
2, Both wet and dry working
3, Light weight and compact design for easy delivery
4, Variable speed 0-1800 rpm
Highlights compare to counterparts:
1, Classic model since 2009. JS550 has been improved and upgraded year by year.
2, Though it's small machine, gear box and important parts are casting with CNC machine.
3, Since its stronger construction, JS550 has longer lifetime.






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.
Model# | JS550 |
Width | 550mm |
Disk size | 300mm X2 |
Weight | 165KG |
Speed | 0-1800 rpm |
Motor | 5.5HP |
AMPS | 25A |
Phase | Single Phase 220V |
Machine Construction
2, Suction pipe for industrial VAC
3, Dust skirt
4, Leveling
5, Extra weight to increase grinding pressure
6, Inverter
7, Big capacity water tank
8, Lifting jack for easy delivery
Features
Aluminum integral casting gear box
Quick-change magnetic tooling systems
Variable-speed soft start
Both grinding and polishing
Big water tank for wet polishing
50mm dust port and dust skirt for dry polishing dust control

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.








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