618M/H - 306AHD/AS (3 models)
Precision Surface Grinder
Precision hydraulic surface grinding machine for mold and tooling finishing.
Technical Specifications
| Worktable size | 460x150 / 460x200 / 600x300 | Max. longitudinal travel | 470 - 660 mm |
| Max. cross travel | 160 - 340 mm | Max. distance from table to spindle center | 410/370 / 475 / 600 mm |
| Max. table load (with chuck) | - / 150 / 420 kg | ||
| Grinding wheel size | 180x(3~13)x31.75 / 200x(6~20)x31.75 / 350x40x127 | ||
| Spindle speed 50Hz | 1450 - 2850 rpm | Spindle motor | 2x2 / 1.5x2 / 2x2 / 5x4 |
| Whole machine weight | 850/950 / 1500 / 2500 kg | Machine height | 1775 - 2060 mm |
Product Description
Application
Suitable for high-precision manufacturing industries. Durable precision surface and profile grinder with accuracy far above domestic grinders of the same class; imported high-precision spindle and hydraulic system ensure high accuracy and smooth running.
Machine Features
- Imported high-precision spindle and hydraulic system for high accuracy and smooth operation.
- Precision surface and profile grinding with high accuracy retention.
- Handwheel fine feed with 0.002~0.02 mm per division depending on model.
- Available with automatic cross feed and rapid traverse on AHD/AS models.
Optional Accessories
- Magnetic chuck
- Dust collector
- Coolant system
- Balancing stand
- Wheel flange
Technical Parameters
| Parameter | Unit | 618M/H | 250M | 306AHD/AS |
|---|---|---|---|---|
| Worktable size | mm | 460x150 | 460x200 | 600x300 |
| Max. longitudinal travel | mm | 470 | 540 | 660 |
| Max. cross travel | mm | 160 | 240 | 340 |
| Max. distance from table to spindle center | mm | 410/370 | 475 | 600 |
| Max. table load (with chuck) | kg | - | 150 | 420 |
| Worktable T-slot | mm | - | 14x1 | 14x1 |
| Worktable speed | m/min | - | - | 5-23 |
| Cross handwheel - one division | mm | 0.02 | 0.02 | 0.02 |
| Cross automatic feed | mm | - | - | 0.5-10 |
| Vertical handwheel - one revolution 50Hz | mm | - | - | 790 |
| Vertical handwheel - one revolution 60Hz | mm | - | - | 950 |
| Max. vertical travel | mm | - | 375 | 430 |
| Vertical handwheel - one division | mm | 0.005 | 0.01 | 0.002 |
| Cross rapid traverse | mm | - | - | 0.2 |
| Automatic infeed amount | mm | - | - | 0.005-0.04 / 0.002-0.04 |
| Vertical rapid traverse speed | mm/min | - | - | 180 |
| Grinding wheel size | mm | 180x(3~13)x31.75 | 200x(6~20)x31.75 | 350x40x127 |
| Spindle speed 50Hz | rpm | 2800 | 2850 | 1450 |
| Spindle speed 60Hz | rpm | - | 3420 | 1740 |
| Spindle motor | HP | 2x2 / 1.5x2 | 2x2 | 5x4 |
| Hydraulic motor | HP | - | - | 2x4 |
| Dust collector motor | HP | 0.75x2 | 1/2x2 | - |
| Coolant motor | kW | 0.12 | 0.12 | 0.12 |
| Vertical drive motor | N.m/kW | - | - | Stepper 6N.m / servo 0.4kW |
| Cross drive motor | N.m/kW | - | - | 8 / 0.4 |
| Net weight | kg | - | 1300 | 2000 |
| Whole machine weight | kg | 850/950 | 1500 | 2500 |
| Machine height | mm | 2060 | 1775 | 1860 |
| Floor area | mm | 1490x1100 / 1360x1500 | 1800x1400 | 3050x2200 |
Note: the machine tool is continuously being optimized and improved; detailed parameters shall be subject to the technical agreement.