Hardinge GX-1600
Key Specifications
X Travel
Y Travel
Z Travel
Spindle Taper
Tool Capacity
Table Size
Overview
The Hardinge GX-1600 is the largest vertical machining center in the GX series, offering X/Y/Z travels of 1,600 x 700 x 650 mm (63.0 x 27.6 x 25.6 in). This flagship VMC provides the work envelope needed for large mold bases, structural aerospace components, and heavy-duty production fixturing while maintaining the precision standards that distinguish Hardinge machines from commodity alternatives.
The spindle delivers 22 kW (30 hp) continuous power at speeds up to 10,000 RPM through a BT 50 taper. The step up to BT 50 from BT 40 on the smaller GX models reflects the heavier cutting demands of this machine's work envelope. The larger taper provides superior rigidity and tool clamping force for aggressive roughing in steel, cast iron, and titanium. An optional 8,000 RPM high-torque spindle configuration is available for shops prioritizing heavy material removal over surface speed.
The work table measures 1,700 x 700 mm (66.9 x 27.6 in), supporting workpiece loads up to 1,500 kg (3,307 lb). This is a serious production table that accommodates large mold bases, aerospace structural panels, and multi-part tombstone fixtures. A 30-tool automatic tool changer handles BT 50 tooling with tool-to-tool change times of approximately 4.0 seconds. Rapid traverse rates of 24 m/min (945 ipm) reflect the heavier axis assemblies required for a machine of this size.
The GX-1600 runs on Fanuc 31i-B control, reflecting the more sophisticated motion control and processing demands of this machine's size and capability. New machines price between $175,000 and $280,000 depending on spindle, tooling, and options. The machine competes with the Haas VF-6, Mazak VTC-800/30SR, and Okuma MB-80V in the large VMC segment.
Full Specifications
| Parameter | Value |
|---|---|
| X-Axis Travel | 1,600 mm (63.0 in) |
| Y-Axis Travel | 700 mm (27.6 in) |
| Z-Axis Travel | 650 mm (25.6 in) |
| Table Size | 1,700 x 700 mm (66.9 x 27.6 in) |
| Max Table Load | 1,500 kg (3,307 lb) |
| Spindle Taper | BT 50 |
| Spindle Speed | 10,000 RPM |
| Spindle Motor Power | 22 kW (30 hp) |
| Tool Capacity | 30 |
| Tool Change Time | 4.0 sec (tool-to-tool) |
| Rapid Traverse Rate | 24 m/min (945 ipm) |
| Positioning Accuracy | ±0.008 mm |
| Repeatability | ±0.005 mm |
| CNC Control | Fanuc 31i-B |
| Machine Weight | 13,000 kg (28,660 lb) |
Specifications sourced from hardinge.com — verified 2026-03-28
Strengths & Limitations
Strengths
- 1,600 mm X-travel handles the largest mold bases, structural panels, and production fixtures that smaller VMCs cannot accommodate
- BT 50 spindle taper provides the rigidity and clamping force needed for aggressive roughing in steel, cast iron, and titanium
- 22 kW spindle power delivers serious material removal rates for production roughing and heavy face milling operations
- 1,500 kg table load supports heavy mold bases, large fixtures, and multi-vise production setups without concern
- Fanuc 31i-B control provides advanced motion capabilities including NURBS interpolation, nano-smoothing, and high-speed look-ahead
- Hardinge precision standards maintained at this larger machine size, differentiating from pure commodity large VMCs
Limitations
- 13,000 kg machine weight requires significant floor preparation, reinforced foundation, and crane access for installation
- 24 m/min rapid traverse is slower than smaller machines, adding non-cutting time on long positioning moves across the 1,600 mm X-axis
- Higher price point than Haas VF-6 and similar competitors may be difficult to justify without specific precision requirements
- Hardinge's contracted service network is a concern for a machine of this investment level where downtime costs are substantial
Best For
Frequently Asked Questions
01
New GX-1600 machines price between $175,000 and $280,000 depending on spindle configuration, tooling, and options. Base configurations with standard 10,000 RPM spindle and Fanuc 31i-B start near $175,000. Full production configurations with through-spindle coolant, 4th axis, probing, chip conveyor, and extended tool capacity reach the upper range.
02
The BT 50 taper provides approximately 2.5 times the clamping force and significantly greater rigidity than BT 40. At the GX-1600's 1,600 mm travel class, cutting forces from aggressive roughing in steel and cast iron demand the BT 50's rigidity. The larger taper also supports larger-diameter face mills, boring bars, and drill tooling commonly used at this machine size.
03
The Haas VF-6 offers 1,626 mm X-travel (comparable to the GX-1600) with CAT 50 tooling at a lower entry price. The Haas has the industry's largest dealer network and highest resale value. The GX-1600 offers Hardinge's precision engineering heritage. For most shops, the Haas VF-6 is the practical choice; the GX-1600 targets shops that specifically value Hardinge precision credentials.
04
At 13,000 kg, the GX-1600 requires a reinforced concrete foundation, typically 300-400 mm thick, with anti-vibration mounts or leveling pads. The machine footprint and point loading should be evaluated by a structural engineer before installation. Crane access with adequate capacity is required for rigging and placement.
Videos
Revelation Machinery
BMT Machine Tools BV
BMT Machine Tools BV
BMT Machine Tools BV
