DB12500-DB8500 CNC Crankshaft Grinding machine
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| UNBEATABLE ACCURACY WORKING TIME DRASTICALLY REDUCED EASY TO DRIVE - Up to 12,5 meters crankshafts - CBN grinding wheel: 2 meters diameter PENDULUM system - CNC software permit the machine to grind pins journals without displace to work heads centreline |
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SPECIFICATIONS
| SPECIFICATION | DB12500 | DB8500 |
| WORKING CAPACITY |
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| Height of centres on table | 1.100 mm |
850 mm |
| Max. distance between self-centring chucks | 12.500 mm | 8.500 mm |
| Max overall rotating diameter | 2.100 mm |
1.700 mm |
| Max stroke |
350 mm |
300 mm |
| MACHINE SPECIFICATIONS | ||
| ASSE Z |
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| Max speed |
0-5000 mm/1’ | 0-5000 mm/1’ |
| Resolution (depends from linear encoder precision) |
0,003 mm |
0,003 mm |
| Max stroke | 12.500 mm |
8.500 mm |
| Axis control motor power |
3 KW |
3 KW |
| Position measurement system |
Linear encoder | Linear encoder |
| ASSE X | ||
| Max speed |
0-10.000 mm/1’ | 0-10.000 mm/1’ |
| Resolution (depends from linear encoder precision) | 0,003 mm | 0,003 mm |
| Max stroke | 1.000 mm |
1.000 mm |
| Ball screw (pitch x diameter) |
100x20 mm |
100x20 mm |
| Position measurement system |
Linear encoder |
Linear encoder |
| Axis control motor power |
12 KW |
10 KW |
| WHEEL UNIT |
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| Grinding wheel dimensions | 2.000 mm | 1600 mm |
| Grinding wheel peripheral speed | 20-50 m/sec |
20-50 m/sec |
| Wheel motor power |
44 Kw |
37 KW |
| WORKHEAD |
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| Stepless rotation speed |
0-12 RPM | 0-12 RPM |
| Chuck diameter |
1.000 mm | 800 mm |
| Motor power for heads positioning |
0,75+0,75 KW | 0,75+0,75 KW |
| Motor power |
51 KW | 12.000 N/m |
| COOLANT SYSTEM |
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| Operating pressure |
10 bar |
10 bar |
| For cleaning | 32 bar | 32 bar |
| Tank capacity |
3000 l. |
3000 l. |
| Pump motor power |
1,5 KW + 1,5 KW | 1,5 KW + 1,5 KW |
| LUBRICATION | ||
| Pressure |
4 bar |
4 bar |
| Tank dimension |
50 lt |
50 l |
| Motor |
0,18 KW |
0,18 KW |
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