R780
Disc Grinder
Electricity
Construction
Grinding Disc
High-speed universal
With Variable Speed
2 Years
220/380V
40L
2*25kg
110*82*125cm
260 Kg
Provided
780mm
7.5/11kw
300-1800rpm
250mm*3
Ronlon
Product Description


Ronlon self-propelled floor grinders and multi-purpose polishers are used to grind (rough, fine and polished) concrete, natural stone and terrazzo floors, or other materials.
It achieves higher grinding efficiency and lower labour costs thanks to a self-propelled function with control panel adjustment for forward, reverse and travel speed.
The planetary rotary system is designed for uniform and consistent grinding results.






It achieves higher grinding efficiency and lower labour costs thanks to a self-propelled function with control panel adjustment for forward, reverse and travel speed.
The planetary rotary system is designed for uniform and consistent grinding results.

Model | R780-3A | R780-3B | R780-3C | R780-3D |
Voltage | 380V-440V 3 phase | 220V-240V 3 or 1 phase | 380V-440V 3 phase | 220V-240V 3 or 1 phase |
Inverter | 11KW(15HP) | 11KW(15HP) | 11KW(15HP) | 15KW(20HP) |
Motor | 7.5KW(10HP) | 7.5KW(10HP) | 11KW(15HP) | 11KW(15HP) |
Working width | 780mm | 780mm | 780mm | 780mm |
HZ | 50/60HZ | 50/60HZ | 50/60HZ | 50/60HZ |
Rotating speed | 300-1800RPM | 300-1800RPM | 300-1800RPM | 300-1800RPM |
Disc Diameter | 250mm*3 | 250mm*3 | 250mm*3 | 250mm*3 |
Water tank | 40L | 40L | 40L | 40L |
Weight | 260kg | 260kg | 260kg | 260kg |
Packing size | 1100*820*1250mm | 1100*820*1250mm | 1100*820*1250mm | 1100*820*1250mm |




ABOUT US
Ronlon Machinery Co., Ltd.Shaanxi was founded in 2014. With more than 15 years of specialized expertise and rich industry experience, we've emerged as a preeminent enterprise dedicated to ground treatment and floor cleaning machinery.
Our diverse product portfolio encompasses floor grinders, stone refurbishers, industrial vacuum cleaners, polishing machines, along associated consumables. These products find extensive applications across the flooring construction and floor cleaning sectors. Renowned for their top-notch quality, outstanding performance, and unwavering reliability, they've won high acclaim from customers around the globe.
The company boasts a professional sales team, a proficient technical service team, a stable supply chain system, as well as professional graphic design and operation teams.
We steadfastly adhere to the business tenet of "Customer First, Attentive Service." Our commitment lies in furnishing customers with all-inclusive solutions and premium after-sales services.
Our clientele has expanded to over 60 countries, such as the United States, Canada, Mexico, Russia, the United Kingdom, Spain, Germany, Italy, France, and the Netherlands.
Through our close-knit cooperation with customers, we can gain an in-depth understanding of their needs, offer customized products and services and meet their unique requirements.
Ronlon Machinery Co., Ltd.Shaanxi was founded in 2014. With more than 15 years of specialized expertise and rich industry experience, we've emerged as a preeminent enterprise dedicated to ground treatment and floor cleaning machinery.
Our diverse product portfolio encompasses floor grinders, stone refurbishers, industrial vacuum cleaners, polishing machines, along associated consumables. These products find extensive applications across the flooring construction and floor cleaning sectors. Renowned for their top-notch quality, outstanding performance, and unwavering reliability, they've won high acclaim from customers around the globe.
The company boasts a professional sales team, a proficient technical service team, a stable supply chain system, as well as professional graphic design and operation teams.
We steadfastly adhere to the business tenet of "Customer First, Attentive Service." Our commitment lies in furnishing customers with all-inclusive solutions and premium after-sales services.
Our clientele has expanded to over 60 countries, such as the United States, Canada, Mexico, Russia, the United Kingdom, Spain, Germany, Italy, France, and the Netherlands.
Through our close-knit cooperation with customers, we can gain an in-depth understanding of their needs, offer customized products and services and meet their unique requirements.




Q1: Are you trading company or manufacturer?
A1: We are manufacturer. Many customers have visited us, welcome!
Q2: Do you also produce diamond tools?
A2: Yes, we produce both machines and diamond grinding/polishing pads.
Q3: Will the machines come with accessories?
A3: Yes, all the machines will be shipped with necessary accessories.
Q4: How long is the warranty of machine?
A4: 2 years warranty.
Q5: What is the advantage of planetary rotating design?
A5: Planetary design is more powerful and sharp, good at grinding the uneven floor.
A1: We are manufacturer. Many customers have visited us, welcome!
Q2: Do you also produce diamond tools?
A2: Yes, we produce both machines and diamond grinding/polishing pads.
Q3: Will the machines come with accessories?
A3: Yes, all the machines will be shipped with necessary accessories.
Q4: How long is the warranty of machine?
A4: 2 years warranty.
Q5: What is the advantage of planetary rotating design?
A5: Planetary design is more powerful and sharp, good at grinding the uneven floor.
Q6: Do your machines can be custom-made?
A6: Yes, ronlon provide OEM&ODM service.