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GMS8U Gantry 5-Axis Machining Center Description
The GMS8U Five-Axis High-Speed CNC Machining Center is designed for multi-axis precision machining, enabling simultaneous five-axis interpolation for highly complex surfaces and contoured parts. Featuring an X/Y/Z travel of 800 × 500 × 420 mm and a cradle-type VH350 rotary table, the GMS8U offers unmatched flexibility and accuracy for advanced manufacturing applications.
Equipped with an HSK A63 high-torque spindle reaching 20,000 RPM, the GMS8U delivers excellent cutting stability and superior surface quality in high-speed, high-load conditions. Its linear motor drive system ensures zero backlash motion and exceptional dynamic response, while Heidenhain TNC640 or Siemens 840D controls provide precise tool path optimization and fast data processing.
Granite Machine Bed Advantages
High Thermal Stability: Granite has twice the thermal capacity of cast iron and less than 1/20 of its thermal conductivity, resulting in temperature-induced vibration amplitudes only 1/3 of cast iron.
Excellent Vibration Damping: Granite's damping ability is over 10 times higher than cast iron, effectively reducing forces generated during linear motor acceleration.
Superior Anti-Interference Performance: Unaffected by magnetic forces, ensuring consistent machining accuracy.
Unique Shock Absorption: Combined with a linear motor drive, it significantly improves surface finish and extends machine lifespan.
GMS8U 5-Axis Gantry Machine Structural Characteristics
| Item | Unit | GMS8U | |
| Machine Range | X/Y/Z travel | mm | 800×500×420 |
| Distance from spindle nose to workbench | mm | 90–510 | |
| Spindle | Type | / | HSK A63 20000RPM |
| Rated power of the spindle motor | kW | S1/S6: 22/30 | |
| Spindle motor torque | N·m | S1/S6: 29.2/38 | |
| Five Axis | Type | / | Cradle style (double arm style) VH350 |
| Rotary table diameter | mm | φ350 | |
| Max torque | N·m | A axis: Rated 320 / Max 600 | |
| C axis: Rated 100 / Max 190 | |||
| Max speed | RPM | A axis: 200 / C axis: 200 | |
| Height from the fifth axis to the workbench | mm | 360 | |
| Turntable load | kg | 150 (low speed) | |
| Tool Magazine | Handle specifications | / | HSK A63 |
| Tool type/number | / | Chain type 24T | |
| Tool change time (tool-to-tool alignment) | sec | 1.3 | |
| Max tool weight/length | kg/mm | 5 / 250 | |
| Max tool diameter (full/empty) | mm | φ25 / φ60 | |
| Transmission Mode | X/Y/Z axis | N | Linear motor |
| Counterweight | N | Pressure | |
| Feed Speed (Vf) | Max rapid feed speed (X/Y/Z) | m/min | 60 / 30 / 60 |
| Max acceleration (X/Y/Z) | g | 0.5 | |
| Accuracy | Positional accuracy (VDI) | mm | 0.005 |
| Reposition accuracy (VDI) | mm | 0.003 | |
| Axis positional accuracy | sec | 6″ (after compensation) | |
| Axis reposition accuracy | sec | 4″ (after compensation) | |
| Power Source | Electrical source | KVA | 45 |
| Air source | Mpa | 0.65 | |
| Other | Machine weight | kg | 8000 |
| Floor space (length × width × height) | mm | 2450 × 2650 × 3300 | |
| Control system | Heidenhain TNC640 | ||
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