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Double Column Machine Center Descripition
The gantry machining center refers to the machining center in which the axis of the Z axis of the main shaft is perpendicular to the table. Especially suitable for machining large workpieces and workpieces with complex shapes.
CNC Gantry Machine Structure Characteristics
① A 500x500mm square ram structure
The machine is equipped with a four-sided restraint quenching guideway and a dual-cylinder nitrogen balance device, ensuring high overall rigidity and offering robust cutting capabilities with consistent precision.
② Italian BF gearbox
Featuring high-performance speed and low noise levels, this gearbox expands the constant power range of the motor and is designed for easy installation. It is compatible with a variety of motor series and can handle high-torque applications.
③ Fully automatic side milling head
The transmission gear is a Gleason spiral bevel gear, ensuring stable and precise transmission. It boasts a long service life. The internal transmission key of the milling head is a heat-treated component, minimizing backlash.
Double-Column Machining Center Parameters
| Model | GMM-7028 | ||
| Subject | Specifications | Units | |
| Travel | X-Axis | mm | 7000 |
| Y-Axis | mm | 2800 | |
| Z-Axis | mm | 1000 (Optional 1250/1500) | |
| Spindle Nose to Worktable | mm | 350-1350 | |
| Three-Axis Guideway | X/Y Heavy Load Roller Linear Guideway Z-Axis Square-Type Ram | ||
| Door Width | 2800 | ||
| Type of Ram | Square-Type Ram (500x500) | ||
| Worktable | Worktable Size(L*W) | mm | 6400*2200 |
| Maximum Table Load | t | 20 | |
| T-Slot | mm | 11-28*200 | |
| Spindle | Spindle Type | type | BBT-50 |
| Spindle R.P.M. | rpm | 6000 | |
| Spindle Drive Type | DDS | ||
| Feedrate | Rapid Traverse (X/Y/Z) | m/min | 6/10/10 |
| Cutting Feedrate (X/Y/Z) | m/min | 6 | |
| Tool Changer | ATC | 24 (Option: 40/60) | |
| Motor | Spindle Motor | KW | 22/26 (140-286 Nm) |
| Three-Axis Servo Motor | KW | 6/3/3 (38/36/36 Nm) | |
| Power Required | Power Requirement | kva | 55 |
| Air Pressure Requirement | kg/cm² | 6^8 | |
| Others | External Dimensions (L*W*H) | mm | 15600*6050*5820(6320) |
| Gross Weight | t | 63 | |
Standard Accessories
| Spindle Coolant System | Rigid Tapping | Dual LED Work Light | Geared Box |
| Automatic Lubricating System | Heat Exchange for Electric Cabinet | LED 3 Color Warning Light | Leveling Bolts and Pads |
| Semi-Enclosed Guard | Dual-Screw Type Chip Conveyor | Chain Type Chip Conveyor and Cart | M30 Auto Off |
Options
| Optical Linear Scale | Workpieces Probe | Oil Mist System | Manual/Semi-Auto 90Milling Head |
| CTS | Chip Conveyor System | Oil Skimmer | Auto Parts Probe Measuring System |
| 20T/40T/60T ATC | Rotary Table |
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