GF Machining Solutions 5-Axis Machining Centers

GF Machining Solutions Mikron MILL E 1900 U

$500,000 - $700,000 Updated 2026-03-16

Key Specifications

X Travel

1,900 mm (74.8 in)

Y Travel

900 mm (35.4 in)

Z Travel

600 mm (23.6 in)

Max Spindle

20,000 RPM

Spindle Taper

HSK-A63

Tool Capacity

30 (expandable to 90 or 150)

Overview

The GF Machining Solutions Mikron MILL E 1900 U is the flagship of the MILL E U series — the largest, most capable machine in GF's efficiency-focused 5-axis trunnion lineup. With 1,900 x 900 mm (74.8 x 35.4 in) X/Y travels and a 600 mm (23.6 in) Z stroke, it carves out a distinct niche for shops that need genuine large-part 5-axis capability but want the productivity and cost-effectiveness of the MILL E platform rather than a purpose-built gantry or bridge machine.

The trunnion table accepts workpieces up to 1,000 kg (2,205 lb) on a 1,400 x 700 mm (55.1 x 27.6 in) clamping surface, making it possible to machine large aluminum aerospace frames, substantial mold blocks, and heavy automotive fixturing in a single setup. At 1,900 mm of X travel, the MILL E 1900 U can also accommodate tombstones or fixture plates with multiple smaller workpieces for batch production runs.

The standard spindle is rated at 20,000 RPM with 35 kW (47 hp) and 130 Nm through an HSK-A63 taper — the same spindle cartridge used across the MILL E U family for serviceability. A 15,000 RPM / 150 Nm high-torque option is available for shops emphasizing heavy steel and titanium roughing. The A-axis swivel range of -110° to +30° and full 360° C-axis rotation provide the kinematic freedom needed for true simultaneous 5-axis contouring on complex geometries.

GF's iQ technology suite — built on the Heidenhain TNC 640 platform — includes spindle load monitoring, thermal error compensation, process stability monitoring, and the rConnect remote diagnostics portal. These tools are especially valuable on a machine at this scale, where unplanned downtime carries a significant cost penalty.

The MILL E 1900 U directly competes with the DMG Mori DMU 85 monoBLOCK and the Hermle C 600 in large-format 5-axis. For shops that need the widest work envelope in the GF trunnion family with exceptional workpiece access on all sides, the MILL E 1900 U delivers capability that previously required a gantry-style machine at a much higher price point. Pricing ranges from approximately $500,000 to $700,000 configured.

Full Specifications

Parameter	Value
X-Axis Travel	1,900 mm (74.8 in)
Y-Axis Travel	900 mm (35.4 in)
Z-Axis Travel	600 mm (23.6 in)
Table Size	1,400 x 700 mm (55.1 x 27.6 in)
Table Load Capacity	1,000 kg (2,205 lb)
A Axis Swivel Range	-110° to +30°
C Axis Rotation	360° (continuous)
Max Spindle Speed	20,000 RPM
Spindle Taper	HSK-A63
Spindle Motor Power	35 kW (47 hp)
Spindle Torque	130 Nm
Tool Capacity	30 (expandable to 90 or 150)
Rapid Traverse X Y	60 m/min (2,362 ipm)
Rapid Traverse Z	50 m/min (1,969 ipm)
Positioning Accuracy	0.004 mm (4 µm)
Machine Weight	24,000 kg (52,910 lb)
CNC Control	Heidenhain TNC 640

Strengths & Limitations

Strengths

1,900 mm X travel and 1,000 kg table capacity set this machine apart from most mid-range 5-axis trunnion machines — large aerospace frames, substantial mold blocks, and tombstone multi-part setups are all practical
Trunnion design provides full 5-side workpiece access from all directions without repositioning, enabling complex geometries in a single setup that would require multiple operations on 3-axis machines
Same HSK-A63 spindle cartridge as the rest of the MILL E U family simplifies spare parts stocking and spindle replacement planning for shops running multiple GF machines
Heidenhain TNC 640 with GF iQ technology provides thermal error compensation, spindle load monitoring, and rConnect remote diagnostics in a single integrated package
Compatible with System 3R WorkShopManager and third-party robot cells, enabling lights-out production on a machine large enough to run overnight batch jobs
A-axis swivel range of -110° to +30° enables deep undercut machining and wide approach angles not possible on machines with narrower swivel ranges

Limitations

At 24,000 kg, the MILL E 1900 U requires a purpose-poured reinforced foundation and overhead crane — shop infrastructure requirements are comparable to a small horizontal machining center installation
$500K-$700K price range puts this machine in direct competition with smaller horizontal machining centers and gantry mills, requiring careful ROI justification
The 1,900 mm X axis and 1,000 mm Y axis can feel limiting if your parts are wide rather than long — the relatively narrow 900 mm Y travel is a constraint for very wide components
Lead times typically extend to 6-12 months for configured machines, requiring advance planning in project pipelines

Best For

Large aerospace structural part manufacturers cutting aluminum frames, wing ribs, bulkheads, and engine nacelle components that exceed the capacity of standard 5-axis trunnion machines Heavy mold and die shops machining large cavity blocks, deep-draw dies, and multi-cavity tooling where 1,000 kg table capacity and 1,900 mm X travel provide a meaningful competitive edge Automotive prototype shops cutting full-size powertrain housings, large casting dies, and complex structural fixtures in a single 5-axis setup Contract manufacturers targeting large-part 5-axis work as a market differentiator — the MILL E 1900 U handles parts that most job shops cannot tackle on standard 5-axis equipment Shops running GF Machining Solutions tool ecosystems (System 3R, EDM, automation) who want a single large-format 5-axis that integrates natively with their existing GF infrastructure

Frequently Asked Questions

01 What is the price of the GF Machining Solutions Mikron MILL E 1900 U?

The MILL E 1900 U typically prices between $500,000 and $700,000 depending on spindle configuration, drive system, magazine size, and automation options. A base machine with ballscrew drives and the standard 30-pocket magazine starts near $500,000. Adding linear drives, a 150-pocket magazine, extended tool measurement, automation interfaces, and the iQ monitoring package pushes toward $700,000. Used examples are rare on the secondary market given the machine's relatively recent introduction.

02 How does the MILL E 1900 U differ from the MILL E 1400 U?

The primary difference is X-axis travel: 1,900 mm versus 1,400 mm, and table load capacity: 1,000 kg versus 800 kg. Both machines share the same spindle cartridge, control platform, and trunnion kinematic design. The MILL E 1900 U adds 500 mm of longitudinal reach for parts or fixture plates that simply won't fit on the 1,400 U. The weight premium (24,000 kg vs 18,000 kg) and price premium ($100K-$150K) are the trade-offs for that additional envelope.

03 Can the MILL E 1900 U machine titanium in production quantities?

Yes, particularly with the optional 15,000 RPM / 150 Nm high-torque spindle. The standard 20,000 RPM / 35 kW spindle handles titanium at moderate material removal rates suited for aerospace precision work. For production titanium roughing with aggressive tool paths and high chip loads, the high-torque spindle delivers the sustained torque at lower RPM that titanium demands. The machine's 24,000 kg mass and cast-iron bed structure provide the rigidity needed to maintain dimensional accuracy during continuous titanium cutting.

04 What automation options are available for the MILL E 1900 U?

GF Machining Solutions supports System 3R WorkShopManager for pallet automation and robot cell integration. The Heidenhain TNC 640 control includes standardized automation interfaces compatible with Fanuc, KUKA, and ABB robot systems. A 150-pocket chain magazine supports unattended multi-job runs. For full lights-out operation, GF offers the Automation Cube and Automation Tower pallet handling systems that can be configured around the MILL E 1900 U's footprint.

05 Is the MILL E 1900 U suitable for graphite electrode milling?

The MILL E 1900 U can machine graphite electrodes, but GF's dedicated Mikron MILL S Graphite series (400 and 500 models) is purpose-built for graphite with integrated dust extraction, sealed linear guides, and optimized high-speed spindles for that application. The MILL E 1900 U is better suited for shops whose primary work is metal machining and who occasionally need to cut graphite electrodes, rather than dedicated graphite electrode production environments.