5 Axis Gantry CNC Machine
The machine is designed for milling, boring, drilling, rigid tapping, reaming, and counterboring. It combines a 54 kW spindle with an HSK A100 tool interface and a 10,000 rpm maximum spindle speed. The A/C head uses direct-drive torque motors, eliminating gears and other intermediate mechanical transmission components between the motors and rotary axes.
Product Details
The main structural components, including the machine bed, worktable, left and right slides, box-in-box crossbeam, cross slide, and ram, are made from high-strength cast iron produced by resin-sand molding. This construction provides good vibration damping and thermal stability.
The box-type spindle head uses a four-linear-guideway arrangement. The long guiding surfaces support the ram during extended machining, helping keep the cutting movement stable. The ram itself runs on high-precision roller linear guideways for smooth Z-axis feed and reversing movement.
The five-axis universal milling head is an Eberle MEPRO T70-200 type head. Its A and C axes are driven directly by torque motors. There are no gears or mechanical transmission shafts between the motors and rotary axes, reducing transmission vibration and mechanical noise while keeping the rotary structure compact.
The spindle uses automatic tool clamping, with hydraulic release and disc-spring clamping. Spindle temperature is controlled through external cooling around the spindle housing. Oil mist is supplied to the bearings, while temperature monitoring is used for spindle protection.
Technical Specifications
|
Item |
Specification |
|
Machine type |
Bridge-Type5 axis gantry cnc machine Center |
|
Working table size |
2500 × 3000 mm |
|
Table load capacity |
8000 kg/m² |
|
T-slot width × pitch |
28 × 250 mm |
|
Distance between columns |
3500 mm |
|
Spindle nose to table |
200–1450 mm |
|
X / Y / Z travel |
3200 / 2500 / 1250 mm |
|
X / Y / Z rapid traverse |
30 / 30 / 20 m/min |
|
Cutting feed rate |
20 m/min |
|
AC rotary head |
Eberle MEPRO |
|
Spindle speed |
2580 rpm rated / 10,000 rpm maximum |
|
Spindle taper |
HSK A100 |
|
Spindle motor power |
54 kW |
|
Spindle torque |
200 Nm (S1) / 240 Nm (S6) |
|
A/C maximum speed |
60 / 60 rpm |
|
A/C maximum torque |
1060 / 1350 Nm |
|
A/C rated torque |
700 / 715 Nm |
|
A/C braking torque |
4000 / 4000 Nm |
|
A/C positioning accuracy |
8″ / 8″ |
|
A-axis rotation |
±105° |
|
C-axis rotation |
±360° |
|
X-axis transmission |
Alpha rack and pinion |
|
Y-axis transmission |
Alpha rack and pinion |
|
Z-axis transmission |
Ball screw, 6340 |
|
X/Y/Z guideways |
4 × 55 heavy-duty roller linear guideways |
|
CNC control |
Siemens |
|
Positioning accuracy, X/Y/Z |
0.020 / 0.020 / 0.012 mm |
|
Repeatability, X/Y/Z |
0.015 / 0.015 / 0.010 mm |
|
Power requirement |
150 kVA |
|
Required air pressure |
6–8 kg/cm² |
|
Floor space |
6.8 × 6.8 × 6 m |
5-Axis Head and Spindle
The A/C rotary head is the key component for multi-axis machining. The A-axis provides ±105° tilting movement, while the C-axis provides continuous ±360° rotation. This allows the cutting tool to approach the workpiece from different directions without repeatedly repositioning the workpiece.
The direct-drive A/C structure uses torque motors rather than conventional gear transmission. The rated torque is 700 Nm for the A-axis and 715 Nm for the C-axis, with maximum torque reaching 1060 Nm and 1350 Nm respectively.
The HSK A100 spindle operates at up to 10,000 rpm and delivers 54 kW of spindle power. Automatic tool clamping is used for routine tool changes, with hydraulic release and disc-spring clamping.
Structural and Motion System
The 5 axis gantry cnc machine uses a box-in-box crossbeam and dual-slide arrangement to form an enclosed rigid frame. The main cast-iron components are produced by resin-sand molding.
For axis transmission, the X and Y axes use Alpha rack-and-pinion systems, while the Z axis uses a 6340 ball screw. X, Y, and Z are each equipped with 4 × 55 heavy-duty roller linear guideways.
The X/Y/Z travels are 3200 mm, 2500 mm, and 1250 mm. Rapid traverse speeds reach 30 m/min on X, 30 m/min on Y, and 20 m/min on Z.
Centralized Lubrication System
The guideways, roller screws, gearboxes, and other moving components use a centralized automatic lubrication system.
The system supplies a fixed amount of lubricant at scheduled intervals rather than relying on manual lubrication. It also includes protection for low oil pressure and insufficient oil.
|
Lubrication Item |
Specification |
|
Lubrication method |
Centralized automatic lubrication |
|
Lubricating oil for guideways |
ISO VG68 |
|
Recommended oil |
SHELL TONNA T68 |
|
Alternative oil |
Great Wall L-G68 guideway oil |
|
Lubrication monitoring |
Oil tank level/alarm signal from the machine |
Machining Applications
The machine can be used for parts that require several machining operations and different tool directions in one setup. Typical machining operations supported by the configuration include:
- Milling
- Boring
- Drilling
- Rigid tapping
- Reaming
- Counterboring
- Multi-angle five-axis machining
- Continuous A/C-axis machining
The ±105° A-axis and ±360° C-axis allow the tool orientation to be changed during machining, reducing the need to repeatedly reposition complex workpieces.
After-Sales Service
- Technical support for machine installation and commissioning.
- Operation and maintenance guidance for the CNC system and machine functions.
- Remote technical support for routine troubleshooting.
- Spare-parts support based on the machine configuration.
- Operating and maintenance documentation supplied with the machine.
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