
30# Super Quality Diamond Grinding Head/Grind Plate for Concrete Grinding
1. The new generation of self-driving grinding system saves time and effort
2. High-power WEG motor, aluminum alloy shell design, excellent heat dissipation, maintenance-free and long service life
3. Using the internationally renowned brand Delta inverter, vector torque control can be used to achieve the optimal starting torque, superior quality
With the tenet of serving users with all our might, we understand users' needs in time and provide them with more satisfactory concrete polisher hire, grinding concrete sidewalk, wet concrete polisher. Under the premise of guaranteeing product quality, supply cycle and various multi-faceted services, we closely grasp product information and industry trends, take the market as the guide, take the product as the foundation, continue to reform and innovate, and keep pace with the times. We focus closely on the development strategy and the actual business development to clarify the focus and depth of compliance management. We are dedicated to provide you with the highest cost-effective wear-resistant products and meticulous after-sales service.
Concrete Foor Grinder 800-4A
800-4A is a self-propelled floor grinding and polishing machine, which integrates heavy pressure, reliable operability and flexible operation. It is one of Xingyi's best-selling floor grinding and polishing equipment. The grinding machine has a four-head planetary counter-rotating gear drive system. Compared with a three-head gear, it is beneficial to reduce the deflection force generated by the machine during grinding. It can better control the machine, make the grinding more uniform, and realize the innovation of low maintenance gear. This machine can easily work on Max. And it can be used for ramp grinding, with a slope of about 20 angles, suitable for parking lots. Its self-propelled system is friendly to workers, and a certain speed is better. The machine can walk for 30 minutes without power and is ideal for transportation. We can charge it with an additional power source (220v), or charge it by ourselves while working. Equipped with a 3-speed additional counterweight iron, which can be used to maximize the grinding pressure during work and reduce the pressure when the machine is lifted. An ideal grinder suitable for easy grinding.
Product advantages
1. Equipped with cruise control system. By setting the standard grinding and walking speed, the grinding effect will remain stable and consistent to achieve precise grinding
2. Floating PE dust cover can prolong the service life and shorten the time for changing abrasive tools, has a good dust-proof effect, realizes dust-free construction, and is beneficial to the health of workers
3. Equipped with world-class WEG motors and Delta inverters, with superior performance, stability and reliability, global after-sales service, and quality assurance.
Product parameter
Model Name | 800-4A |
Working Width | 800mm |
Voltage | 380V-440V 3 phase |
Motor HP | WEG motor 15KW |
AC Motor driver | Delta inverter 18.5KW |
Rotating Speed | 450-1950rpm |
Grinding disc | 256mm*4 |
Weight | 521kg/1149lbs |
Product display

1. Self-driving grinding system for easy grinding
2. The three-stage weighting iron can be flexibly adjusted according to the actual surface conditions, and the fit is high
3. The net weight of 540 kg makes the grinding pressure greater and the cutting force stronger.
4. This machine is equipped with a 20L stainless steel water tank, which can be used for water and dry grinding.
5. Integrated control panel, easy to operate.
6. With a 20-degree slope climbing function, easy to grind.
7. Four-head planetary gearbox, used for high-precision grinding and polishing work.
8. Equipped with a timer for easy time management




Company advantages
Quality Assurance: 30 sets CNC machines, 124 patents, without processing from third parties, 15000m2 factury area, 30% benefit invest for RD, own project team, service for 120 countries, over 5000 old customers in the world.(includes OEM/ODM)
Diversification: floor systems/product systems/service systems.
Customer's reputation: 98% customers good feedback.
Share of market: 38 offices/agent in the world, taking 80% share of market in some countries.
Vision: Build a China centurial Xingyi, Realize the creditable enterprise.
Mission:Enable the global floor labors to work with health and happiness.
Value:Customer first, perfection oriented, solidify in teamwork,advance with tendency.
FAQ
Q1:How is the quality of Xinyi gearbox assembly?
A1:Xingyi's gearboxes are made of aluminum alloy, cast with high-precision aluminum abrasives, with thick walls and excellent heat dissipation. The flange seat made of thick steel is built-in to ensure excellent heat dissipation and sufficient rigidity. It is processed by imported CNC machine tools with a machining accuracy of 0.005mm, and the machine's repeated positioning accuracy is 0.001mm.
Q2:How do you use a self-driven floor grinder?
CONTACT US:
Jane Ling - international sales Dept
whatsapp & wechat: +86 15960788816
Facebook: Xingyi Jane Ling
Relying on our strong talent advantages, market advantages, capital advantages, technological advantages and innovation advantages, we continue to develop 30# Super Quality Diamond Grinding Head/Grind Plate for Concrete Grinding to enhance the core competitiveness of the brand and product market share. We have a team of staff with serious working attitude, solid business foundation, strong sense of unity and cooperation, and excellent professional and technical level. For a long time, we have been working tirelessly to build up our company's product development, safety and quality, technical service and integrity system.
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