Gantry Lathe

The GFA-2830T adopts a fixed gantry structure while the worktable moves along the X axis. The main structural castings use high-strength cast iron with reinforced rib design, and the castings undergo stress-relief treatment before machining. The 2300 × 3000 mm table provides a relatively large loading area, while its 21-ton capacity allows heavy components to remain on the same machine during machining. For customers who use the term gantry lathe when searching for large gantry-type metalworking equipment, this machine is better classified as a CNC milling and machining center rather than a turning machine.

The spindle uses a belt drive + ZF gearbox arrangement, with a BT50 taper and a speed range of 20–6000 rpm. The rated spindle torque is 786 N·m, with a maximum of 1050 N·m. This configuration gives the machine a useful combination of spindle speed and torque for milling, boring, drilling and tapping work on large components.

The X and Y axes use 55-size heavy-duty roller guideways, while the Z axis uses a T-type ram structure. All three axes are driven by precision ball screws, with servo motors and reducers providing the required feed movement. The Z axis is also equipped with a nitrogen balancing cylinder to offset the weight of the ram and reduce the load on the transmission system.

Final configuration and specifications are subject to the technical agreement.

The GFA-2830T is suited to situations where the workpiece is too large or heavy for a conventional vertical machining center. Its 21-ton table capacity means heavy parts can be loaded directly onto the worktable, while the 3200 mm X and Y travels provide room for machining across a relatively large working area.

The BT50 spindle with ZF gearbox is another practical feature. With a 20–6000 rpm range and up to 1050 N·m maximum torque, the spindle can be used for both relatively high-speed milling and lower-speed operations where more torque is required.

For buyers comparing a gantry lathe with other large-format CNC equipment, it is worth checking the actual machining method before selecting the machine. The GFA-2830T is intended for milling-based processes rather than turning, and its configuration includes milling, boring, drilling, rigid tapping, reaming and countersinking capabilities.

The machine also uses a combination of automatic lubrication, oil-cooled spindle, workpiece coolant, chip removal, full sheet-metal protection and electrical cabinet temperature control as part of its standard configuration.

The GFA-2830T is intended for large components that need several machining processes to be completed on one machine.

The documented configuration allows customers to select different machine arrangements according to their machining requirements.

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