YM-420 10 HP Concrete Floor Grinder with Dust Extraction | 400 mm
YM-420 Concrete Floor Grinder with Dust Extraction
The YM-420 is a concrete floor grinder designed for floor preparation, renovation, grinding, polishing, and surface treatment. The catalogue lists a 400 mm working width, a 10 hp / 7.5 kW main motor, and a blade speed range of 0–1000 rpm. Its built-in dust collection system supports cleaner grinding operation, while the machine can switch between dry and wet grinding modes according to the work requirement.
Applications
- Concrete floor grinding and leveling
- Epoxy and old coating removal
- Terrazzo and aggregate floor treatment
- Marble and stone floor grinding or polishing
- Floor renovation and surface preparation
- Texturing or roughening before polyurethane mortar floor work
Key Features
- 400 mm working width: A mid-size working width for floor preparation and renovation work.
- 10 hp / 7.5 kW main motor: The catalogue lists a three-phase 380 V motor with a maximum current of 17.2 A.
- Adjustable blade speed: The listed blade speed range is 0–1000 rpm for different grinding and polishing stages.
- Built-in dust extraction: The machine is listed with a 2.6 hp / 2 kW dust-extraction motor, a 1.7 m² filter area, a maximum airflow of 2.6 m³/min, and a 31 L dust box.
- Dry and wet grinding modes: The catalogue describes mode switching for different floor treatment requirements.
- Polyurethane mortar floor preparation: The catalogue describes use with suitable tooling for pre-texturing and roughening. Actual bonding results depend on the substrate, tooling, material system, and site conditions.
Technical Specifications
| Specification | YM-420 |
|---|---|
| Model | YM-420 |
| Main motor power | 10 hp / 7.5 kW |
| Main motor voltage | Three-phase 380 V |
| Main motor maximum current | 17.2 A |
| Machine weight | 210 kg |
| Blade speed | 0–1000 rpm |
| Working width | 400 mm |
| Dust-extraction motor power | 2.6 hp / 2 kW |
| Dust-extraction motor voltage | Single-phase 220 V |
| Dust-extraction motor maximum current | 10.0 A |
| Filter area | 1.7 m² |
| Maximum airflow | 2.6 m³/min |
| Maximum vacuum pressure | 0.2 bar |
| Dust box capacity | 31 L |
| Dimensions (L × W × H) | 170 × 54 × 105 cm |
Operating Notes
Select diamond tooling that matches the floor material and the intended operation. Actual grinding rate, dust collection, surface finish, and bonding results depend on the substrate, coating or mortar system, tooling, filter condition, operator technique, and site conditions. Confirm the power supply, tooling configuration, and wet/dry operating requirements before ordering.
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