LDR780 Planetary Concrete Floor Grinder
Product Description
Product Description
LDR780-3 with 3 Planetary heads is a very powerful machine with a lot of torque to the floor for the heavy grinds and for removing epoxy coatings and glue, a highly productive machine but easy to handle and operate. This is the ideal machine for larger jobs. International Voltages available. or 380 Volt / 208 Volt Three Phase. 220 Single phase can order.
TECHNICAL PARAMETER：
| Modle | LDR780-3A | LDR780-3B | LDR7860-3C |
| Voltage | 380-440V 3 phase | 220-240V 1/3 phase | 380-440V 3 phase |
| Motor | 10hp(7.5kw) | 10hp(7.5kw) | 15hp(11kw) |
| Inverter | 15hp(11kw) | 15hp(11kw) | 15hp(11kw) |
| Working Width | 780mm | 780mm | 780mm |
| Rotating Speed | 300-1800RPM | 300-1800RPM | 300-1800RPM |
| Tools Holder Diameter | 250mm*3 | 250mm*3 | 250mm*3 |
| Water Tank | 32L | 32L | 32L |
| Weight of Machine | 250kg | 250kg | 250kg |
| Additional Weight | 1*35kg | 1*35kg | 1*35kg |
| Packing Size | 800*1200*900mm | 800*1200*900mm | 800*1200*900mm |
LDR780-4 machine is the ultimate choice when it comes to high performance and efficiency, with 4 heads grinder you get an up 30% more effective grinding and stripping and obviously a more level floor. This machine will be your No 1 professional machine choice for larger jobs.
TECHNICAL PARAMETER：
| Modle | LDR780-4A | LDR780-4B | LDR7860-43C |
| Voltage | 380-440V 3 phase | 220-240V 1/3 phase | 380-440V 3 phase |
| Motor | 15hp(11kw) | 15hp(11kw) | 15hp(11kw) |
| Inverter | 15hp(11kw) | 20hp(15kw) | 15hp(11kw) |
| Working Width | 780mm | 780mm | 780mm |
| Rotating Speed | 300-1800RPM | 300-1800RPM | 300-1800RPM |
| Tools Holder Diameter | 250mm*4 | 250mm*4 | 250mm*4 |
| Water Tank | 32L | 32L | 32L |
| Weight of Machine | 300kg | 300kg | 300kg |
| Additional Weight | 1*40kg | 1*40kg | 1*40kg |
| Packing Size | 800*1200*900mm | 800*1200*900mm | 800*1200*900mm |
1. LED light for working at night.
2. Turning type full- steel weight.
3. Toolbox is fixed on the machine, convenient to repair machine and also tools replacement job will be easily and quickly.
4. New display panel.
5. A knob type water switch, to easy control water.
6. Pull-line angle adjustment device, convenient and labor-saving.
7. USB interface and adjustable mobile phone holder.
8. Australia Industrial plug and socket, Waterproof Rating: IP67
Standard accessories come with machine
Features and Advantages
1. Smart Control Head
1) FWD&REV rotating direction prolong the service life of abrasive, and optimize the grinding effect.
2) Variable speed to grind rough floors by slowing down the grinding heads to keep them from bouncing which will stop them from cutting. By speeding up the grinding heads you can polish and burnish the floor with the proper tooling. Variable speed also allows you to work on marble and granite floors.
3) With the red emergency switch supply safe always
4) USB port for charging mobiles
2. Magnetic Instant-Change Tool System
We developed the Magnetic Instant-change tool mounting system is quick, simple and safe. One tooling system for all the R series grinding machine. The system can mount scrapper tools, regular metal trapezoid tools, and velcro mount tools.
3. Super IE 2 motor
Powerful high efficiency motor save cost；
We Can supply 2 years warranty for motors；
4. All Strong Gear Design
All Strong gear design with drive to each of the three flex heads as well as power to the drum for the highest production rate in its size, Helical gears in an oil bath just like the transmission in your car to produce high torque to the floor with no noise and wear. just like in the wheel of your car to reduce wear and give your a long working life span.
5. Raised water switch&Vacuum connector
Convenient control for water volume during wet grinding;Big capacity water tank, no need forcontinuous water addition.
Vacuum connector
For dry grinding;Standard size, apply to Ronlon vacuum and other brands in the market;Connecting with vacuum will not affect grinder moving during the operation.
6. Special-ordered flexible coupler
All R series concrete grinder come with best coupler can supply with 2 years warranty, it is the best coupler made in China.
FAQs:
Q: Does machine come with gear system or belt type?
A: Our all gear Grinders and Polishers use helical gears in an oil bath just like the transmission in your car to produce high torque to the floor with no noise and wear. This is the only planetary grinder on the market that uses thrust bearings, just like in the wheel of your car to reduce wear and give you a long working life span.
Q: How to attach the diamond tools to the machine?
A: The standard Magnetic Instant-change tool mounting system as below
Q: Does the machine can be attached to HTC, Husqvarna or other pads holder?
A: Yes, if you do not like our standard Magnetic Instant-change tool mounting system, we can supply machines with Husqvarna, HTC or others mounting system you like.
Q: Can more weights be added to the machine?
A: Yes, it depend on your need.
Q: Does the machine can be attached to vacuum?
A: Yes, it can, the diameter of the port is 50mm, common criteria.
Q: Can we design the machines and use ourselves Logo?
A: Yes, just supply the color and design you like, we can do as you like, and OEM and ODM is welcomed.
Q: If there is a problem with the unit are there places to repair?
A: We have many customers from 48 countries, for all of our customers we promise as follow:
The duration for quality warranty of the main machine (motor, inverter, gear box) for ONE year.
If exceed guarantee time, spare parts broken due to long time using, the charge of the new parts and express will be paid by customer, and we will send the video teach you to repair.
Q: What does the connection to the machines look like? Does the machines come with cord?
A: Please check the power line,10 meters come with machines, the orange socket connection machine, the otherconnect your power.
