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The double column CNC milling machine is a powerful and robust machining solution designed for high-intensity cutting of large and heavy workpieces. Featuring a dual-column structure, this double column CNC milling machine offers exceptional stability and rigidity, enabling precise machining under demanding conditions. Equipped with a high-torque spindle and advanced multi-axis CNC control, it excels in handling complex geometries and heavy materials with ease. Ideal for industries such as aerospace, automotive, and heavy machinery, the Heavy-Duty Double-Column Gantry Machine ensures superior accuracy, efficiency, and reliability in challenging machining applications.
Heavy Cutting Double Column Gantry Machine GMMV-5021 Features

1. Vertical and Horizontal Tool Magazine: The machine is outfitted with a tool magazine that supports both vertical and horizontal tool storage, streamlining the tool management process and enabling rapid tool changes.
2. Spindle: The spindle utilized is a BBT50- © 200 high rigidity model, reinforced with six imported large steel ball bearings. This configuration offers exceptional cutting power and ensures the spindle's strength and precision during intensive machining operations.
3. Five-Axis Linkage Double Swing Milling Head: This advanced milling head features an AC axis torque motor combined with an electric spindle, ensuring precise and swift movements. It is constructed with a fork-shaped integrated structure for enhanced stability. The AC axis is equipped with a torque motor structure and a hydraulic holding mechanism, which facilitates high-speed cutting while maintaining high rigidity for superior machining accuracy.
Parameters
| Model | GMMV-5021 | ||
| Subject | Specifications | Units | |
| Travel | X-Axis | mm | 5000 |
| Y-Axis | mm | 2100 | |
| Z-Axis | mm | 1000 | |
| Spindle Nose to Worktable | mm | 200-1200 | |
| Three-Axis Guideway | X/Y/Z Heavy Load Roller Linear Guideway | ||
| Door Width | 2100 | ||
| Type of Ram | T-Type | ||
| Worktable | Worktable Size(L*W) | mm | 5000*1700 |
| Maximum Table Load | t | 12 | |
| T-Slot | mm | 9-22*180 | |
| Spindle | Spindle Type | type | BBT-50 |
| Spindle R.P.M. | rpm | 6000 | |
| Spindle Drive Type | DDS | ||
| Feedrate | Rapid Traverse (X/Y/Z) | m/min | 12/15/15 |
| Cutting Feedrate (X/Y/Z) | m/min | 12 | |
| Tool Changer | ATC | 24 (Option: 40/60) | |
| Motor | Spindle Motor | KW | 15/18.5(143-236 Nm) |
| Three-Axis Servo Motor | KW | 6/3/3 (38/36/36 Nm) | |
| Power Required | Power Requirement | kva | 50 |
| Air Pressure Requirement | kg/cm2 | 6^8 | |
| Others | External Dimensions (L*W*H) | mm | 11600*5850*5420 |
| Gross Weight | t | 36 | |
Standard Accessories
| High-Rigidity Double-Column Structure | Heat Exchange for Electric Cabinet | Automatic Lubricating System |
| High-Torque Spindle Unit | Dual-Screw Type Chip Conveyor | Semi-Enclosed Guard |
| High-Precision Ball Screw And Linear Guide | Chain Type Chip Conveyor and Cart | Rigid Tapping |
Options
| Optical Linear Scale | Tool Breakage System | 40T ATC | Air Conditioner |
| CTS | Chip Conveyor System | Oil Skimmer | Auto Parts Probe Measuring System |
| Oil Mist System | Rotary Table | 90° Manual Milling Head | 90° Auto Milling Head with AHC |
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