CNC Horizontal Spiral Groove Milling Machine
SMK-250
Features
- Adopting famous opened CNC system with four axes combined action.
- Adopting large span and high strength cast iron and flat bed so that the machine has a high rigidity and good property of anti-vibration.
- The milling head is driven by spindle motor, and the machine adopts the transmission of synchronous belt and gear and frequency converting motor so that the machine has enough power and good rigidity.
- Z-axis adopts precise ground slant rack transmission, electric double gap-eliminating structure so as to guarantee the position accuracy.
- The workpiece clamping device has a special hydraulic structure so as to avoid decreasing process accuracy and unable adjustment of the workpiece due to the abrasion of the clamping blocks.
Application
- The machine is specially designed for processing the rotor parts of screw drilling stems in the oil field industry, adopting hard alloy multi-tooth cutter head, the machine can perform envelope machining of the spiral surface of the workpiece by once formed, it is the main production equipment in this industry. The machine can also mill all kinds of screws with irregular section in other industries.
Technical Parameter
Specification | Unit | SMK-250 |
Max. diameter of workpiece | mm | Φ250 |
Min. diameter of workpiece | mm | Φ40 |
Max. length of workpiece | mm | 8000 |
Helix angle of milling head | deg | -85°~+85° |
Helix direction | - | any |
Max. cutter head diameter | mm | Φ320 |
Min. cutter head diameter | mm | Φ290 |
Turning speed of tool | rpm | 0-400 |
X-axis feed speed | mm/min | 0-4000 |
Y-axis feed speed | rpm | 0-20 |
Z-axis feed speed | mm/min | 0-4000 |
Z-axis rapid feed speed | mm/min | 6000 |
CNC system | - | SIEMENS |
X/Y-axis servo motor torque | N.m | 27 |
Z-axis servo motor torque | N.m | 11 |
A-axis servo motor torque | N.m | 11 |
Milling head motor | kw | 7.5kw, 1000rpm. |
Diameter of four-jaw chuck | mm | Φ320 |
Machine dimension(LxWxH) | mm | 13090x2340x2260 |
Machine weight | kg | 19000 |
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