High Productivity CNC Plate Drilling and Milling Machine for Flange Manufacturing
Application:
The CNC Gantry Plate Drilling and Milling Machine is engineered for high-accuracy machining of tube sheets, flanges, bearing plates, heat exchangers, and various plate-type components used in industries including petrochemical engineering, nuclear power, wind energy, boiler manufacturing, and structural steel fabrication. The machine supports high-speed carbide drilling with through-spindle coolant as well as high-speed twist drilling with external coolant supply. By integrating drilling, chamfering, tapping, milling, and boring into one CNC machining system, it delivers outstanding flexibility and production efficiency. An optional automatic right-angle attachment further expands machining capability, enabling efficient side drilling, tapping, and milling of complex components.
Specifications:
| Model |
PHD2020 |
| Workpiece size |
LxW (mm) |
2000x2000 |
| T-slot width of Workbench (mm) |
28 |
| Drilling power head |
Qty. |
1 |
| Spindle taper |
BT50 |
| Max. drilling diameter (mm) |
Φ80 |
| Max. thickness (mm) |
≤250 |
| Tapping diameter |
M3-M30 |
| Spindle speed (r/min) |
30~3000 |
| Servo spindle motor power (kW) |
22/30 |
| Lateral movement of power head (X axis) |
Max. horizontal stroke (mm) |
2000 |
| Lateral movement speed (r/min) |
0~8 |
| Servo motor power for lateral movement (kW) |
2.4 |
| Gantry longitudinal movement (Y axis) |
Max. feed stroke (mm) |
2000 |
| Feed moving speed (m/min) |
0~8 |
| Feed servo motor power (kW) |
2.4 |
| Vertical ram feed motion (Z axis) |
Max. stroke (mm) |
800 |
| Moving speed (m/min) |
0~8 |
| Servo motor power (kW) |
2.4 |
| Three-axis positioning accuracy |
X/Y/Z/A/B/C (mm) |
±0.015/1000 |
| Three-axis repeat positioning accuracy |
X/Y/Z/A/B/C (mm) |
±0.01/1000 |
| Electrical system |
CNC system |
FAGOR/ KND/ GSK |
| Tool changer |
Disc type (Optional) |
24 tool positions |
| Overall size |
LxWxH (m) |
5.3x3.8x2.7 |
Product features
1. The machine is primarily composed of a heavy-duty machine base, longitudinal slide assembly, gantry frame, transverse slide, vertical feed mechanism, drilling and milling spindle head, worktable, coolant circulation system, automatic chip conveying system, centralized lubrication unit, pneumatic system, electrical control cabinet, and auxiliary components, providing a complete, highly efficient machining solution.
2. The servo-controlled sliding spindle head is designed to perform drilling, reaming, tapping, chamfering, and slot milling operations. It can function independently or coordinate with multiple CNC axes to maximize machining versatility. The spindle is equipped with a high-precision Taiwan-made BT50 spindle featuring an internal coolant system and a disc-spring automatic tool clamping mechanism. Hydraulic tool release enables rapid and convenient replacement of drilling and milling tools, improving machining efficiency and minimizing downtime.
3. High-precision linear guideways are installed throughout the machine to ensure smooth movement, high rigidity, and exceptional motion accuracy. The feed mechanism is driven by an AC servo motor through a synchronous belt and precision ball screw system, delivering outstanding positioning precision, repeatability, and stable long-term machining performance.
4. The machine base and gantry frame are manufactured from premium-grade cast iron or heavy-duty welded steel plate structures. All major structural components undergo high-temperature stress-relief treatment before machining, followed by a secondary stress-relief process after semi-finishing. Final precision machining ensures superior structural strength, excellent dimensional stability, and consistent machining accuracy throughout the machine's operating life.
The CNC Gantry Plate Drilling and Milling Machine is a high-performance CNC machining center specifically developed for precision processing of plate components and structural workpieces. It is ideally suited for machining flanges, discs, rings, flat plates, and similar components within the machine's specified machining capacity. Featuring a rigid mechanical structure, advanced CNC technology, and multifunctional machining capabilities, it provides an ideal solution for industrial applications requiring both exceptional precision and high production efficiency.
In structural steel fabrication facilities, the machine performs precision drilling and milling of structural plates, base plates, and connection elements, supplying accurately machined components for efficient steel framework assembly. Within the wind power industry, it is extensively utilized for machining wind turbine tower sections and large-diameter flange assemblies, ensuring excellent dimensional precision and structural reliability under demanding operating environments, including strong wind loads and extreme temperature fluctuations. In bridge construction projects, the equipment is widely employed for machining bridge girders, splice plates, and supporting structural members, producing durable, high-strength connections capable of withstanding long-term dynamic loading. Consequently, it contributes significantly to the structural safety, operational reliability, and extended service life of large-scale bridge infrastructure.
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