The gantry machining center is a high-end CNC machine tool designed for machining large and complex workpieces. Its main features and components include:
1.Structural features: The overall structure of the gantry machining center is a portal frame, which is composed of a solid double column and a top beam. The middle crossbeam connects the two columns. This structure provides extremely high stability and rigidity, and can withstand heavy loads and maintain high-precision machining for a long time. The workbench is usually rectangular and can carry large parts.
2.High precision and efficiency: The gantry machining center has high-precision and efficient machining capabilities, and is suitable for precision machining of medium and large structural parts in aerospace, shipbuilding, heavy machinery, wind power energy and other fields.
3.CNC system: As the core of the machining center, the advanced CNC system (CNC) is responsible for controlling the movement of the machine tool, including tool path, speed, cutting parameters, etc., to ensure the accuracy and consistency of machining. Common CNC systems on the market are imported and domestic, which can be selected according to needs.
4.Automatic tool changing system: Equipped with a tool magazine, it can automatically change different types of tools to meet different processing needs, significantly improving production efficiency. Tool magazines come in a variety of forms, including disc, bucket and chain. Large gantry machining centers often use disc or bucket tool magazines.
5.Multi-axis machining capabilities: In addition to the standard X, Y, and Z three-axis linkage, some large gantry machining centers also support additional axes, such as rotary axes A, B, and C, to achieve linkage machining of five or more axes, and can more flexibly handle complex curved surfaces and angles.
6.Large stroke and load-bearing capacity: The so-called “large” is mainly reflected in the large machining stroke of the workpiece, that is, the machine tool can process a wide range of workpiece sizes and can withstand a large workpiece weight. For example, some machine tools with a gantry width of 3.2 meters or even larger can process ultra-wide workpieces.
7.Fine design: such as the “humpback” column design to prevent the gantry beam from deforming and sagging, the “beehive” workbench to enhance rigidity and improve load-bearing capacity, and the 45° step ramp design to optimize the accuracy and stability of the Z and Y axes.
8.Lubrication system: It adopts active lubrication system, which is controlled by CNC system, supplies oil on demand, and can warn of potential oil circuit problems in advance, thus extending the service life of machine tools.
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