Chiron MILL 8000

$750,000 - $1,200,000 Updated 2025-03-15

Key Specifications

X Travel

Up to 8,000 mm (315 in)

Y Travel

800 mm (31.5 in)

Z Travel

630 mm (24.8 in)

Max Spindle

Up to 20,000 RPM

Spindle Taper

HSK-A63 (HSK-A100 optional)

Tool Capacity

Up to 60 tools

Overview

The Chiron MILL 8000 is the largest machine in Chiron's MILL series, featuring X-axis travel up to 8,000 mm for machining very long workpieces in a single setup. This long-bed vertical machining center targets aerospace structural components, rail industry parts, large mold assemblies, and industrial equipment where part length drives the need for extended travel far beyond what conventional machining centers can accommodate.

The MILL 8000 features X/Y/Z travels of approximately 8,000 x 800 x 630 mm, with the massive X-axis range enabling single-setup machining of components up to 8 meters in length. The vertical moving column traverses the full length of the machine bed while maintaining rigidity and accuracy. The motorspindle reaches up to 20,000 RPM with HSK-A63 interface for high-speed aluminum machining, with HSK-A100 high-torque options for steel and titanium.

Working area division is a key feature on the MILL 8000, allowing the long bed to be segmented into multiple zones for pendulum machining. While the spindle machines in one zone, operators load and unload in other zones. This approach maximizes spindle utilization and enables continuous production of multiple medium-length parts across the 8-meter bed.

The machine bed construction is designed for thermal stability and dimensional accuracy over the full 8-meter travel range — a significant engineering challenge that Chiron addresses with their thermally stable design principles. The MILL 8000 runs on Siemens SINUMERIK 840D sl. Competitors include the Jobs Linx series, FPT Industrial, Nicolas Correa, and Soraluce. New MILL 8000 machines are typically quoted on a project basis, with prices ranging from $750,000 to $1,200,000 depending on configuration.

Full Specifications

Parameter	Value
X-Axis Travel	Up to 8,000 mm (315 in)
Y-Axis Travel	800 mm (31.5 in)
Z-Axis Travel	630 mm (24.8 in)
Max Spindle Speed	Up to 20,000 RPM
Spindle Taper	HSK-A63 (HSK-A100 optional)
Tool Capacity	Up to 60 tools
Machine Design	Vertical moving column, long-bed
Working Area Division	Multi-zone pendulum machining
Max Workpiece Length	Up to 8,000 mm (315 in)
CNC Control	Siemens SINUMERIK 840D sl
Thermal Management	Thermally stable long-bed construction

Specifications sourced from chiron-group.com — verified 2026-03-28

Strengths & Limitations

Strengths

8,000 mm X-axis travel enables single-setup machining of very long components that would require multiple setups on shorter machines
Multi-zone working area division allows pendulum machining with loading in one zone while cutting in another for maximum utilization
Up to 20,000 RPM spindle provides high-speed aluminum capability across the entire 8-meter work envelope
Vertical moving column design maintains rigidity and accuracy even at the extremes of the 8-meter travel range
Single-setup machining of long parts eliminates alignment errors from multiple setups, improving accuracy and reducing scrap
Chiron's thermally stable construction addresses the significant thermal management challenges of an 8-meter machine bed

Limitations

Massive floor space requirement for 8,000 mm X-axis travel limits installations to facilities with large shop floor areas
Project-based pricing starting around $750,000 places the MILL 8000 in a premium category requiring significant capital investment
Foundation requirements for an 8-meter machine bed are substantial, potentially requiring custom concrete work
Chiron's limited long-bed machine service expertise in North America may mean extended service response times
60-tool magazine is modest for a machine of this scale — complex long parts may require manual tool management

Best For

Aerospace manufacturers producing long wing spars, fuselage skins, and structural members from aluminum billet in single setups Rail industry manufacturers machining long rail components, chassis members, and structural frames Large mold and die shops producing long mold assemblies, die segments, and tooling that exceed 2-meter lengths Energy sector manufacturers machining long turbine shafts, generator components, and structural frames Defense manufacturers producing long gun barrels, structural members, and vehicle chassis components Industrial equipment manufacturers needing precision machining of frames, beds, and structural components up to 8 meters

Frequently Asked Questions

01 What does a new Chiron MILL 8000 cost?

The MILL 8000 is typically quoted on a project basis, with prices ranging from $750,000 to $1,200,000 depending on X-axis length (configurable within the 8,000 mm range), spindle selection, automation, and working area division configuration. Contact Chiron directly for project-specific pricing.

02 Can the MILL 8000 X-axis be configured shorter than 8 meters?

Yes. The MILL 8000 platform supports configurable X-axis lengths. Chiron builds the machine bed to the customer's required travel. The 8,000 mm designation represents the maximum capability of the platform, but shorter configurations are available and more affordable.

03 What is multi-zone pendulum machining?

The 8-meter bed can be divided into multiple machining zones. While the spindle works in one zone, operators load parts in other zones. When machining finishes in one zone, the spindle moves to the next loaded zone. This enables near-continuous cutting with minimal idle time, which is critical for maximizing output on a machine of this scale.

04 How does the MILL 8000 maintain accuracy over 8 meters?

Chiron uses thermally stable construction principles including careful material selection for the machine bed, thermal management systems, and calibration procedures designed for long-travel machines. Linear scale feedback provides positioning accuracy independent of ball-screw thermal growth over the full travel range.

05 What foundation does the MILL 8000 require?

An 8-meter machine bed requires a substantial foundation — typically a reinforced concrete pad designed to support the machine weight and dampen vibration. Chiron provides foundation specifications during the project planning phase. Many installations require custom concrete work designed specifically for the machine.

06 How does the MILL 8000 compare to a gantry-style machine?

Gantry machines move the spindle over a fixed table and can handle heavier workpieces. The MILL 8000's moving column design is more compact in width and height while providing comparable X-axis travel. Gantry machines from Jobs or FPT may offer more Z-axis travel and workpiece weight capacity. The MILL 8000 offers Chiron's build quality at a competitive price point.