Expander 850

Planetary floor grinder with variable speed and adjustable working pressure.

Expander 850: Floor grinding and polishing machine for medium and big sized surfaces available into two versions of 20 and 25 HP.
Main features: • Working width 850 mm with 3 large size 240 mm tools. • Speed of tools ranging from 300 to 1300 rpm. • Automatic adjustment of the working pressure. • Strong gear box with thermo-hardened steel gears for a longer life. • Adjustable inclination of the Planetary to allow a bigger frontal cutting. • No noise during the work. • Third insertable front wheel for easy transport and to load into the van. • Auto levelling Planetary System.

 

 

 

ESTIMATED PRODUCTION sqf / h m² / h
Superconcrete 7 step
250-300
25-30
Concrete Grind 1 step
1000-1300
100-130
Terrazzo Grind 5 step
300-400
30-40
Glue Removal 1 step
1000-1500
100-150
Paint Removal 1 step
1000-1500
100-150
Marble Polishing 5 step
200-300
20-30
Granite Polishing 7 step
100-150
10-15
* Production numbers may vary according to surface conditions, diamonds used, equipment operator, etc.

 

DATA FOR SHIPPING
Vol. Packaging Size Packaging Weight
2,75 m³
160x160x110 cm
455 Kg

 

 

 
Video
a Video1
a Video2
 
Diamond Tools
a for Marbles
a for Terrazzo
a for Granites
a for Gres
a for SuperConcrete
a for Floor Preparation
a for Removing Coating
a for Bush-hammering
a for Antique Finishing
 
Accessories & Chemicals
a for Polished Concrete
 
Depliant
a Floor Grinders
a Why Choose Expander?
a Dust Extractors
a Superconcrete
 
Manual
a Expander 850
 
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TECHNICAL DATA
Model Motor Drive Inverter Volt Hertz Amp Speed
Tools rpm
Working
Width
Tools
Size
Water
Tank
Dimensions
LxAxP cm
Weight
EXPANDER 850 
20
15 kW
380-480
50/60
32
300-1300
850mm
3x240mm
46 lt
150x150x95
441 Kg
EXPANDER 850 
25
18,5 kW
380-480
50/60
32
300-1300
850mm
3x240mm
46 lt
150x150x95
451 Kg