
680-4A Concrete Grinder With Self-driving
Model:680-4A
Power:11KW/15HP
Advantages:1. 11KW WEG motor is used for high power, working efficiency is 350-1680 rpm, working area is large, and grinding efficiency is high.
2. The aluminum alloy wheel hub has good heat dissipation performance, strong rigidity and can be installed with internationally renowned bearings.
3. Diamond abrasive tools with different thicknesses are suitable for hardening, terrazzo, emery floors, and various concretes.
680-4A Concrete Grinder With Self-driving
Xingyi Factory had developed for 19 years, Awarded 123 patents for inventions.Helping our clients finished many kinds of floor maintance grinding polishing projects.
680-4A is a self-driving concrete grinder of Xingyi Company, it is one of Xingyi’s best-selling grinders.

Machine introduction
HTG-680-4A is a self-driving concrete crusher. It is a four-head planet-driven floor grinder of Xingyi Machinery. The 680-4A marble grinder has an automatic drive system, 15HP world-class WEG motor, 20HP Delta frequency converter, 30kg adjustable grinding pressure and 4 planetary rotating grinding discs. Compared with the three-head grinder, the four-head grinder is not The force on the flat surface is greater and the work is more stable. The grinding wheel of the granite grinder is driven by electric to realize autonomous walking, instead of being pulled and grinding by the ordinary grinding wheel driven by manpower. The labor required is lower, the workers are more labor-saving, and the operation is convenient. If you are looking for a user-friendly and efficient floor repair and removal machine suitable for industrial applications, then there is no doubt that 680-4A is the right choice.
Technical parameter
Model Name | HTG-680-4A |
Working Width | 680mm |
Voltage | 380V-440V 3 phase |
Motor HP | WEG motor 11KW |
AC Motor driver | Delta inverter 15KW |
Rotating Speed | 350-1680rpm |
Grinding disc | 230mm*4 |
Water tank | 16L |
Weight | 425kg |
Product advantages
1. The grinder also has a constant speed cruise function. The walking speed can be adjusted freely between 0-25m/min (1.5km/h).
2. Through the drive system, cruise at the same speed can be achieved on a slope within 25 degrees, that is, slope grinding function.
3. Compared with the three-head grinder, the four-head grinder has more force on the uneven surface and the work is more stable. Due to the planetary characteristics, it can be ground effectively because it leaves a very uniform scratch pattern.


♥4-head planetary rotary grinding disc
♥Self-driving grinding machine saves time and effort, easy grinding
♥Integrated control panel, easy to operate
♥Equipped with stainless steel water tank for wet grinding
♥Cruise control system for precise grinding
♥Three-stage weighted iron fit with high precision
♥Convenient transportation of assembly rings
♥There is a USB plug to charge electronic devices
♥balance dynamic balance device, stable operation
♥timer running timer

FAQ
Q1:
How to maintain the marble floor in use?
A1:
1. Consider from the user's point of view: First, establish a clean and wiping method that uses less or no water (such as using electrostatic dust to push oil or moist cloth), and try to avoid all kinds of oil spills and infiltration
2. From a professional point of view: use chemical materials to enhance the hardness of the stone surface (such as wax coating, reconstituted crystal surface, resin coating, paste curing, liquid curing agent).
3. From the perspective of economical application:
A. Waxing maintenance
B. Recreate crystal face
C. Paste curing
D. Liquid curing agent
Q2:
Why choose a large grinder?
A2:If a worker wants to do his job well, he must first sharpen his tools. The main advantages of large floor grinders are high efficiency and durability, which can easily grind, liberate labor and improve work efficiency. For the completion of large-area floor projects, high-efficiency large-scale grinders are naturally an indispensable helper. Therefore, the construction party should keep their eyes open when purchasing and choose carefully. The 680-4A driven floor grinder is one of the intelligent floor equipment, and the cruise control function can freely adjust the walking speed, set the parameters, and different operators can also achieve the consistency of the ground grinding effect. Reduce labor intensity and improve construction efficiency.
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