Enshu GE590H
Key Specifications
X Travel
Y Travel
Z Travel
Spindle Taper
Tool Capacity
Rapid Traverse
Overview
The Enshu GE590H is Enshu's large-envelope horizontal machining center, built with a 630 mm pallet and 900 x 800 x 800 mm of travel for production machining of larger automotive and industrial components. This is the machine Enshu builds for shops that need serious material removal capability on cast iron engine blocks, large transmission cases, and industrial equipment housings while maintaining the production efficiency the GE-series is known for.
The GE590H steps up to a BT-50 spindle interface, giving it the torque and rigidity that larger workpieces in steel and cast iron demand. The standard spindle runs at 8,000 RPM with 22 kW of power, with a 10,000 RPM option available for shops balancing between ferrous and aluminum work. The larger spindle taper and higher power mean this machine can push aggressive face milling and boring operations that would overwhelm the BT-40 machines in the GE lineup.
The dual-pallet shuttle handles workpieces up to 1,000 kg, and the table indexes in 1-degree increments with a hydraulic clamping system for rigid four-face machining. Rapid traverse rates remain competitive at 50 m/min, and the tool magazine holds 60 tools standard with options up to 120 for complex multi-operation parts. Through-spindle coolant at 70 bar is standard, and the chip conveyor system handles the high-volume chip loads generated during heavy cutting in cast iron.
For plants running production lines of engine blocks, differential housings, or large industrial pump bodies, the GE590H provides the combination of work envelope, spindle power, and production-oriented automation that keeps parts flowing. The Fanuc 31i-B5 control is standard, and the machine integrates into Enshu's FMS architecture for multi-machine production cells. The heavy-duty box-type bed with hand-scraped surfaces provides the long-term geometric accuracy that production environments need.
Full Specifications
| Parameter | Value |
|---|---|
| Pallet Size | 630 x 630 mm (24.8 x 24.8 in) |
| X-Axis Travel | 900 mm (35.4 in) |
| Y-Axis Travel | 800 mm (31.5 in) |
| Z-Axis Travel | 800 mm (31.5 in) |
| Spindle Speed | 8,000 RPM standard (10,000 RPM optional) |
| Spindle Taper | BIG-PLUS® CAT 50 (OP: BT / HSK) |
| Spindle Motor Power | 22 kW (30 hp) |
| Tool Capacity | 60 standard (up to 120 optional) |
| Rapid Traverse Rate | 1968 IPM |
| Pallet Change Time | < 15 sec |
| Max Workpiece Size | 900 mm (35.4 in) diameter x 1,000 mm (39.4 in) height |
| Max Workpiece Weight | 1,000 kg (2,205 lb) |
| Through Spindle Coolant | Standard, 70 bar (1,015 psi) |
| Table Indexing | 1-degree increments, hydraulic clamp |
| CNC Control | Fanuc 31i-B5 |
| Machine Weight | Approx. 15,000 kg (33,069 lb) |
| Metric | Value |
| Pallet | 630mm |
| X Axis Travel | 39.3″ |
| Y Axis Travel | 35.4″ |
| Z Axis Travel | 41.3″ |
| Pallet Capacity | 2645 lbs |
| Spindle Hp | 60 HP |
| Spindle Rpm | 10000 RPM |
| Atc | 40 (OP: 78, 130 and 182) |
| Apc | Dual Rotary |
| Cnc Control | Fanuc 31iMB |
| Dimensions | 229″ x 137″ x 141″ (excludes lift up conveyor) |
| Machine | Pallet Size |
| Ge40h | 400mm |
| Ge460h | 400mm |
| Ge480h | 500mm |
| Ge580h | 500mm |
| Ge590h | 630mm |
Specifications sourced from enshuusa.com — verified 2026-03-28
Strengths & Limitations
Strengths
- BT-50 spindle with 22 kW provides the torque and rigidity needed for aggressive cutting in steel, cast iron, and large aluminum parts
- 630 mm pallet and 1,000 kg capacity handle the large automotive and industrial components that smaller machines cannot
- 900 mm X-travel gives ample room for multi-face machining of large castings and housings in a single setup
- Production-oriented design with dual-pallet changer and FMS compatibility maintains throughput on high-volume work
- 120-tool magazine option supports complex multi-operation parts without manual tool intervention
- Hand-scraped surfaces on the box-type bed maintain geometric accuracy through years of heavy production use
Limitations
- BT-50 spindle limits maximum RPM compared to BT-40 machines, reducing efficiency on pure aluminum high-speed work
- Machine footprint and 15,000 kg weight require substantial floor space and foundation preparation
- Rapid traverse at 50 m/min is slower than the 60 m/min on the smaller GE460H and GE480H models
- Enshu's limited North American presence means longer lead times for service and parts compared to Mazak or Okuma
- Pallet change time under 15 seconds is adequate but slower than best-in-class 630mm competitors
Best For
Frequently Asked Questions
01
New Enshu GE590H machines typically price between $550,000 and $800,000 depending on spindle type, tool magazine capacity, and automation options. This positions it competitively against other 630mm-class production horizontals from Japanese builders.
02
The GE590H competes in the same 630mm pallet class as these machines. All three offer similar work envelopes and spindle capabilities. The choice often comes down to regional dealer support, FMS integration requirements, and existing fleet standardization. Enshu tends to be more competitively priced but has a smaller North American support network.
03
Yes. The BT-50 spindle provides the torque for heavy cast iron cutting, while the 10,000 RPM option adds enough speed for efficient aluminum machining. It is not a pure high-speed aluminum machine like the GE460H, but it handles mixed-material production well.
04
The standard dual-pallet changer provides basic automation. Enshu offers full FMS integration with multi-pallet pools, shared tool management, and supervisory control for connecting multiple machines into production cells.
05
The GE590H handles workpieces up to 1,000 kg (2,205 lb) on its 630 mm pallet. This capacity covers the vast majority of automotive powertrain components and medium-sized industrial parts.
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