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Gantry machining centers play a crucial role in various industries, including aerospace, automotive manufacturing, and precision mold production. These machines are equipped with advanced mechanical components and user-friendly control systems, making them highly effective for demanding tasks that require precision and reliability.
Compared to other types of machine tools, the portal structure of gantry vertical machining centers offers superior rigidity and stability. This enhanced rigidity allows the machine to process heavy-duty and oversized workpieces with greater precision and less vibration. The stability of the machine is critical when working with large components that require tight tolerances, as it minimizes the risk of inaccuracies that may arise from flexing or movement during machining.
Feature
The design of the double-column machining center is carefully designed to ensure high stability and effectively eliminate stress and deformation that may affect the machined parts. Due to their large size, these machines occupy a considerable space in the workshop.
Unlike conventional machining centers, the mechanical axes of the gantry machining center are arranged perpendicular to the worktable. In this type of machine, the milling head is usually fixed to and moves along a beam supported between two vertical columns. The milling head moves laterally along the Y axis and can also move vertically along the Z axis.
The table of the machining center moves along the track of the X-axis, which facilitates the loading and processing of large and heavy workpieces. There is also a different machine layout: two columns move along the worktable or fixed bed, and the milling head is mounted on these columns. Depending on the machine model, this configuration allows faster movement of the three axes (X, Y, Z), allowing the machine to carry a larger workload.
Double Column Machining Center Parameters
| Model | GMM-5028 | ||
| Subject | Specifications | Units | |
| Travel | X-Axis | mm | 5000 |
| 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 | 4600*2200 |
| Maximum Table Load | t | 14 | |
| 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 | 2010/10/10 |
| Cutting Feedrate (X/Y/Z) | m/min | 8 | |
| 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 | 11600*6050*5820(6320) |
| Gross Weight | t | 51 | |
Standard Accessories
| Rigid Tapping | Dual LED Work Light | Spindle Nose Air Blow | M30 Auto Off |
| 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 |
Options
| Optical Linear Scale | Tool Breakage System | Oil Mist System | Air Conditioner |
| CTS | Chip Conveyor System | Oil Skimmer | Auto Parts Probe Measuring System |
| 40T ATC | Rotary Table | 90° Manual Milling Head | 90° Auto Milling Head with AHC |
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