NC Surface GrindersCNC Machine Tools
G306NC Surface Grinding Machine
G306NC Surface Grinding Machine: spindle speed 1450 rpm, worktable area 600×300 mm, table movement 680 mm. Request a quote.
1450 rpm · 600×300 mm · 680 mm
G7020NC Surface Grinding Machine
G7020NC Surface Grinding Machine: table working area 2000×700 mm, lateral travel 2230 mm, grinding wheel Ø355(400)×20~40×Ø127. Request a quote.
Table working area2000×700 mm
Lateral travel2230 mm
Grinding wheelØ355(400)×20~40×Ø127
Spindle motor11KW
- Quoted to your quantity
- Documentation on request
- International delivery
Product Overview
The G7020NC is an NC surface grinding machine with boxway guideways. Automatic down-feed, spark-out passes and fixed grinding cycles give repeatable results with less operator intervention.
G7020NC at a glance
Table working area 2000×700 mm, lateral travel 2230 mm, grinding wheel Ø355(400)×20~40×Ø127 and spindle motor 11KW.
Further key data: table load 1500 kg; machine weight 7800 kg/8800 kg kg.
Quality components
Key components come from established suppliers: FUKUTA (spindle motor); HORINSHENG (spindle); NSK (spindle bearings, screw bearings); SYNTEC (controller); SIMPO (worm gear set); Turcite-B (anti-friction material); HONGMING (hydraulic system).
Boxway rigidity
Box guideways spread the cutting load over a large contact area, which gives high damping and stable grinding. Combined with a servo-driven vertical axis, this allows precise stock removal down to the final size.
Easy, repeatable cycles
The NC control handles rough and finish feed, spark-out passes and rapid approach automatically, so one operator can run several machines.
Frequently asked questions
What are the main specifications of the G7020NC?
Table working area 2000×700 mm, lateral travel 2230 mm, grinding wheel Ø355(400)×20~40×Ø127 and spindle motor 11KW. The full data is in the specification table on this page.
What is supplied with the G7020NC?
Standard accessories include wheel balancing stand, grinding wheel with flange, diamond dresser, wheel balancing rod, leveling pads and anchor bolts and tool wrenches and toolbox.
How do I get a quotation for the G7020NC?
Send us your part drawing, material, tolerances, batch size and delivery address through the quote form. We reply with a configuration, price and lead time for delivery to your site in Europe.
Interested in the G7020NC? Send your drawing and requirements and we will reply with a configuration and quotation. Request a quote. See all NC surface grinders.
Technical Specifications
| Table working area | 2000×700 mm |
|---|---|
| Lateral travel | 2230 mm |
| Grinding wheel | Ø355(400)×20~40×Ø127 |
| Spindle motor | 11KW |
| Machine type | NC surface grinder |
G7020NC – technical specifications
| Specification | Unit | G7020NC |
|---|---|---|
| Capacity | ||
| Table Working Area | mm | 2000×700 |
| Max. Lateral Travel | mm | 2230 |
| Max. Longitudinal Travel | mm | 760 |
| Max. Distance from Table Surface to Spindle Center | mm | 700 |
| Max. Table Load Capacity | kgs | 1500 |
| Worktable | ||
| Table T-slot | mm×N | 16×3 |
| Table Speed | m/min | 2～25 |
| Longitudinal Feed Handwheel (per grad) | mm | 0.02 |
| Automatic Longitudinal Feed (Feed Position) | Both Ends or Single Side | |
| Rapid Longitudinal Movement (50HZ) | mm/min | 1250 |
| Vertical Feed | ||
| Digital Display | 0.001 mm | |
| Rapid Elevation Speed | Adjustable up to 750 mm/min | |
| Manual Feed Servo Motor (Method) | ×10 / ×1 | |
| Automatic Feed (Total Feed) | Adjustable | |
| Spark-Free Grinding Passes | Reciprocating Motion with Arbitrary Setting | |
| Fixed Cycle | Rapid Feed→Rough Grinding→Finish Grinding Return | |
| Grinding Wheel | ||
| Wheel Size | Ø355(400)×20~40×Ø127 | |
| Spindle Speed | 1450 rpm | |
| Motors | ||
| Spindle Motor | 11KW | |
| Vertical Drive Motor | 1(AC Servo)kw | |
| Hydraulic Motor | 7.5 kW | |
| Coolant Pump Motor | 200w | |
| Longitudinal Feed Motor | 375w | |
| Machine Dimension | ||
| Machine Height | 2500 mm | |
| Floor Space Requirement | 7000×2800 | |
| Net Weight/Gross Weight | kg | 7800 kg/8800 kg |
Additional technical parameters
| Parameter | Value |
|---|---|
| Automatic Front/Back Feed Rate | 1500 mm/min (adjustable) |
| Vertical Handwheel Feed per Revolution (×10 / ×1) | 0.1 mm / 0.01 mm |
| Minimum Vertical Feed (×10 / ×1) | 0.01 mm / 0.001 mm |
Key components and brands
| Component | Brand | Country / Region |
|---|---|---|
| Spindle Motor | FUKUTA | China / Taiwan |
| Spindle | HORINSHENG | China / Taiwan |
| Spindle Bearings | NSK | Japan |
| Controller | SYNTEC | China / Taiwan |
| Worm Gear Set | SIMPO | China / Taiwan |
| Anti-Friction Material | Turcite-B | USA |
| Hydraulic System | HONGMING | China / Taiwan |
| Electromagnetic Chuck | WEIKE | China |
| Contactors | SCHNEIDER | China |
| Limit Switch | TIANDE | China / Taiwan |
| Castings | CHUNYU | China |
| Ball Screws | HIWIN | China / Taiwan |
| Screw Bearings | NSK | China |
| Valve | JUNCHUNSHING | China / Taiwan |
Standard accessories
| Item | Quantity |
|---|---|
| Wheel Balancing Stand | 1 set |
| Grinding Wheel with Flange | 1 set |
| Diamond Dresser | 1 set |
| Wheel Balancing Rod | 1 pc |
| Leveling Pads and Anchor Bolts | 1 set |
| Tool Wrenches and Toolbox | 1 set |
| Electromagnetic Chuck | 1 pc |
| Magnetic Separator | 1 pc |
| Water Scraper | 1 pc |
Supplied documents
| Document | Quantity |
|---|---|
| Machine Operation Manual | 1 copy |
| Electrical Circuit Diagram | 1 copy |
| Machine Accuracy Inspection Certificate | 1 copy |
Accuracy and acceptance standards
| Inspection item | Permissible tolerance |
|---|---|
| 1. Straightness of Table Travel – Left/Right Direction | ≤1000 mm: 0.02/1000; 1000–2000 mm: 0.035/1000 |
| 1. Straightness of Table Travel – Front/Back Direction | ≤1000 mm: 0.02/1000; 1000–2000 mm: 0.02/1000 |
| 2. Straightness of Table Motion – Left/Right Direction (In Vertical Plane) | ≤1000 mm: 0.02/1000; 1000–2000 mm: 0.02/1000 |
| 2. Straightness of Table Motion – Front/Back Direction (In Vertical Plane) | ≤1000 mm: 0.02/1000; 1000–2000 mm: 0.02/1000 |
| 2. Straightness of Table Motion – Left/Right Direction (In Horizontal Plane) | 0.01/1000 |
| 3. Parallelism of Table Left/Right Motion to Table Surface | 0.01/1000 |
| 4. Parallelism of Table or Wheelhead Front/Back Motion to Table Surface | 0.01/300 |
| 5. Parallelism Between Table Left/Right Travel and Side of Center T-slot | 0.015/1000 |
| 8. Axial Play of Wheel Spindle | 0.005 |
| 9. Parallelism Between Wheel Spindle Centerline and Table Surface | 0.02/300 |
| 10. Perpendicularity Between Table Left/Right Motion and Spindle Centerline | 0.02/300 |
| 11. Perpendicularity Between Vertical Movement of Wheelhead and Front/Back Table Surface | 0.01/100 |
| Parallelism of Machined Surface to Reference Surface: 1000 mm length ≤ 0.01 mm | |
| Surface Roughness: Ra 0.25 μm (quenched and tempered Chinese grade 45 steel test piece) |
Specifications may change. The final configuration is confirmed in our quotation.
Applications
- Repeat production of flat parts
- Tool and mould components
- Hardened steel plates
- Precision machine parts
Features
- Boxway guideways for rigidity and damping
- Servo-driven vertical feed
- Automatic grinding cycles with spark-out
- Digital display
- Hydraulic table drive
Request Information About This Product
Tell us your quantity and requirements — we reply within one business day.
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