Forest-Liné Profil L

$2,000,000 – $6,000,000 Updated 2026-03-17

Key Specifications

Working Area (X×Y×Z)

Up to 40,000 × 4,000 × 1,500 mm (configurable)

Spindle Power

Up to 80 kW

Max Spindle Speed

Up to 30,000 RPM (electrospindle)

Feed Rate

Up to 60,000 mm/min

Positioning Accuracy

±0.05 mm / full stroke

Control System

Siemens SINUMERIK 840D sl

Overview

The Forest-Liné Profil L is a heavy-duty CNC gantry router engineered for the aerospace, automotive, and defense industries where large-format machining of complex structural components is essential. Built on a rigid cast iron and welded steel frame, the Profil L handles extended workpieces in aluminum alloys, titanium, composites, and Inconel with the precision required for flight-critical parts.

The gantry architecture places the crossbeam and spindle carriage above the fixed table, allowing unrestricted part loading from either end and accommodating workpieces of exceptional length. Forest-Liné's thermal compensation systems and high-precision linear guideways maintain positional accuracy across full-stroke travels, even during extended production runs generating significant thermal loads.

The Profil L is configurable with 3-axis, 4-axis, or full 5-axis spindle heads, enabling it to machine complex contoured surfaces, structural pockets, and compound-angle features in a single setup. High-torque spindle options — including electrospindle and mechanical gearbox variants — give operators the flexibility to switch between roughing aluminum at high material removal rates and finishing composite skins with fine precision.

As a French manufacturer with decades of aerospace machining heritage, Forest-Liné supports Profil L installations with application engineering, custom fixturing design, and long-term service contracts. The machine is typically found in Tier 1 aerospace suppliers, national defense programs, and large OEM production facilities across Europe and internationally.

Full Specifications

Parameter	Value
Working Area (X×Y×Z)	Up to 40,000 × 4,000 × 1,500 mm (configurable)
Spindle Power	Up to 80 kW
Max Spindle Speed	Up to 30,000 RPM (electrospindle)
Feed Rate	Up to 60,000 mm/min
Positioning Accuracy	±0.05 mm / full stroke
Control System	Siemens SINUMERIK 840D sl
Table Type	Fixed T-slot steel table
Machine Weight	From 60,000 kg (configuration-dependent)

Strengths & Limitations

Strengths

Exceptional X-axis travel for large aerospace structural parts
5-axis head options for complex contoured surface machining
High-rigidity gantry withstands aggressive aluminum and composite roughing
Strong aerospace heritage with application-specific engineering support

Limitations

Very high capital cost — justified only for large aerospace or defense programs
Large footprint requires purpose-built facility with crane access
Long lead times for custom configurations

Best For

Aerospace structural panels and spars in aluminum and composites Defense program large-format titanium and Inconel components Automotive tooling and mold plates requiring extended travel

Frequently Asked Questions

01 What industries primarily use the Forest-Liné Profil L?

The Profil L is built for aerospace, defense, and heavy automotive applications where large aluminum structures, composite panels, and titanium components must be machined to tight tolerances in single setups.

02 Can the Profil L be configured for 5-axis machining?

Yes. Forest-Liné offers multiple head configurations including full 5-axis tilting/rotating heads, making the machine capable of machining compound angles and contoured surfaces without repositioning.

03 What control system does the Profil L use?

The Profil L runs on the Siemens SINUMERIK 840D sl, a platform widely used in aerospace machining for its advanced tool path compensation and thermal correction capabilities.