GF Machining Solutions 5-Axis Machining Centers

GF Machining Solutions Mikron MILL E 1400 U

$400,000 - $650,000 Updated 2026-03-16

Key Specifications

X Travel

1,400 mm (55.1 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 1400 U is a trunnion-style 5-axis machining center aimed squarely at job shops and contract manufacturers that need full simultaneous 5-axis capability without committing to a massive footprint or a seven-figure investment. The 'E' in the series name stands for Efficiency, signaling GF's intent: maximize uptime, minimize setup time, and keep cycle costs competitive.

The machine offers 1,400 x 900 mm (55.1 x 35.4 in) X/Y travels with a 600 mm (23.6 in) Z stroke, giving it the largest work envelope in the MILL E U family. The integrated trunnion table carries workpieces up to 800 kg (1,764 lb) on a 1,000 x 700 mm (39.4 x 27.6 in) table surface, which opens the door to medium-to-large mold blocks, fixturing assemblies, and aerospace structural brackets.

The HSK-A63 spindle runs at 20,000 RPM with 35 kW (47 hp) continuous and delivers 130 Nm of torque, making it versatile across aluminum, stainless, titanium, and hardened tool steel. GF offers a high-torque 15,000 RPM / 150 Nm variant for shops prioritizing heavy-duty cutting over high-speed finishing. The linear drive option on X and Y eliminates ballscrew wear and tightens positioning to sub-micron territory.

The Heidenhain TNC 640 control is standard, running GF's proprietary rConnect remote monitoring and IQ intelligence modules that provide real-time spindle load monitoring, thermal compensation, and predictive maintenance alerts. The 30-pocket tool magazine (expandable to 90 or 150) supports automated job sequencing for overnight unattended runs.

The MILL E 1400 U competes directly with the DMG Mori DMU 65 monoBLOCK and the Hermle C 400 in the mid-size 5-axis segment. Shops in the automotive supply chain, aerospace tier-2, and precision mold industries who want a European-built machine with strong local GF service support will find the MILL E 1400 U a proven, high-value choice. Pricing runs from approximately $400,000 to $650,000 depending on spindle, drives, and magazine size.

Full Specifications

Parameter	Value
X-Axis Travel	1,400 mm (55.1 in)
Y-Axis Travel	900 mm (35.4 in)
Z-Axis Travel	600 mm (23.6 in)
Table Size	1,000 x 700 mm (39.4 x 27.6 in)
Table Load Capacity	800 kg (1,764 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	18,000 kg (39,683 lb)
CNC Control	Heidenhain TNC 640

Strengths & Limitations

Strengths

1,400 x 900 mm X/Y travels and 800 kg table capacity handle medium-to-large mold blocks and structural parts that smaller trunnion machines cannot reach
20,000 RPM HSK-A63 spindle with 35 kW covers aluminum HSM through hardened steel finishing; 15,000 RPM high-torque variant available for heavy roughing
Linear drive option on X and Y axes eliminates ballscrew wear and backlash, maintaining sub-4-micron accuracy throughout the machine's service life
Heidenhain TNC 640 control with GF rConnect delivers remote monitoring, thermal compensation, and predictive maintenance in a single integrated platform
Tool magazine scales to 150 pockets, enabling complex unattended job sequences on a single machine without operator intervention
GF Machining Solutions' European service network provides field support across North America, Europe, and Asia — critical for high-uptime production environments

Limitations

At $400K-$650K, the MILL E 1400 U requires a substantial capital commitment compared to the MILL E 800 U or competitive Japanese alternatives at similar travel
18,000 kg machine weight demands a reinforced concrete foundation and crane access for installation — not suitable for shops with standard concrete slabs
The GF proprietary rConnect ecosystem locks monitoring and maintenance analytics into the GF software platform, limiting integration with third-party MES systems
Lead times from GF's Swiss/Chinese manufacturing can extend to 6-9 months during peak demand, making machine availability planning critical

Best For

Automotive tier-1 and tier-2 suppliers machining aluminum structural castings, powertrain housings, and chassis components in medium-volume batches Aerospace contract manufacturers cutting titanium brackets, aluminum ribs, and complex structural parts that need full simultaneous 5-axis contouring Precision mold and die shops running large cavity blocks, electrode work, and multi-cavity tooling where 1,400 mm X travel and 800 kg capacity give clear advantages Job shops wanting a single 5-axis machine capable of handling both small complex parts and large fixtures without workholding compromises European-standard shops running Heidenhain TNC controls across their floor who want consistent programming across all machining centers

Frequently Asked Questions

01 What is the price of the GF Machining Solutions Mikron MILL E 1400 U?

The MILL E 1400 U is priced between approximately $400,000 and $650,000 new, depending on spindle configuration, drive system (ballscrew vs. linear), tool magazine size, and options such as through-spindle coolant, probing, and rConnect monitoring. A baseline ballscrew machine with the 30-pocket magazine starts near the lower bound; a fully equipped linear-drive machine with a 150-pocket magazine and automation interface approaches $650,000.

02 How does the MILL E 1400 U compare to the DMG Mori DMU 65 monoBLOCK?

Both machines compete in the mid-size 5-axis segment with comparable work envelopes and price ranges. The MILL E 1400 U's 1,400 mm X travel exceeds the DMU 65 monoBLOCK's 650 mm by a wide margin, giving GF a clear advantage for larger parts. The DMU 65 monoBLOCK offers its own monoBLOCK rigidity reputation and broader global service footprint. Shops in Europe and with strong GF local service tend to favor the Mikron; shops with existing DMG Mori relationships often stay within that ecosystem.

03 What is the difference between the MILL E series and the MILL P series from GF?

The MILL E (Efficiency) series prioritizes versatility and cost-effective 5-axis machining for a broad range of job shop work. The MILL P (Productivity) series is designed for heavy-duty, high-material-removal production environments with larger spindle motors, higher torques, and enhanced chip management. If you're cutting aluminum and light alloys in medium volumes, the MILL E is typically sufficient and more cost-effective. If your work involves heavy titanium, Inconel, or large steel structural parts in production quantities, the MILL P's additional rigidity and power justify the premium.

04 Does the MILL E 1400 U support automation and pallet systems?

Yes. GF Machining Solutions offers the System 3R WorkShopManager automation interface for the MILL E 1400 U, enabling integration with robot cells, pallet pools, and automated workpiece handling. The Heidenhain TNC 640 control supports standardized automation interfaces (TEBIS, Fastems, and third-party systems). The 30-to-150-pocket tool magazine also supports unattended multi-job overnight runs without robotic workpiece loading.

05 What materials can the MILL E 1400 U machine?

The 20,000 RPM / 35 kW spindle handles aluminum (including high-speed finishing up to HSC), titanium (Ti-6Al-4V), hardened tool steel (up to 62 HRC for finishing passes), stainless steel, nickel alloys, graphite (with appropriate extraction), and plastics. For shops needing aggressive titanium or Inconel roughing, the optional 15,000 RPM / 150 Nm high-torque spindle delivers better metal removal rates at lower speeds.