Comau Flexium HMC
Key Specifications
X Travel
Y Travel
Z Travel
Max Spindle
Spindle Power
pallet size
Overview
The Comau Flexium HMC is a flexible manufacturing cell built around a horizontal machining center platform, representing Comau's most integrated approach to CNC machining for high-volume, mixed-part production. Rather than a standalone machine, the Flexium HMC is a configurable manufacturing system that combines Comau's horizontal machining center technology with a multi-pallet pool, automated workpiece handling — typically via Comau articulated robots — and a centralized cell management software layer. This architecture enables manufacturers to achieve the throughput of a transfer line with the flexibility of a machining center.
The Flexium concept is rooted in Comau's decades of experience building and integrating complete production lines for major automotive OEMs. The company recognized that while transfer lines deliver maximum throughput for a single part, the automotive industry's increasing model diversity and shorter product lifecycles demand the ability to switch between part families without major retooling. The Flexium HMC answers this need by combining CNC flexibility with automation-driven throughput, using pallet pools of 20 to 100+ pallets and robot loading systems to keep multiple machine spindles continuously cutting.
At the machining center core of the Flexium system, the HMC module provides the horizontal spindle configuration that is standard in high-volume prismatic part production. Horizontal spindle orientation allows chips to fall away from the cutting zone by gravity — a significant advantage in high-chip-volume operations like engine block and cylinder head machining. The B-axis pallet rotation provides standard four-sided workpiece access, and optional tilt heads enable 5-axis machining for complex angled features. Spindle power, speed range, and tooling interface are configured to the customer's specific material and operation requirements.
Comau's cell management software — integrated with the Flexium HMC system — manages pallet routing, machine loading priorities, tool life monitoring across all machines in the cell, and production schedule execution. This software layer connects to the plant's MES or ERP system, providing real-time OEE monitoring, alarm management, and production reporting. The digital integration reflects Comau's positioning as an Industry 4.0-ready automation supplier rather than a traditional machine tool builder.
For automotive OEMs and Tier-1 suppliers who need to machine families of complex prismatic parts at high volumes with maximum flexibility and minimum direct labor, the Comau Flexium HMC represents a proven, turnkey solution. Its greatest value is realized in facilities where three or more HMC modules are combined with a shared pallet pool and robot handling, achieving spindle utilization rates that justify the higher system investment compared to standalone machines. The Flexium HMC is a strategic capital investment for manufacturers committed to high-volume flexible manufacturing over a 10 to 15-year production horizon.
Full Specifications
| Parameter | Value |
|---|---|
| Pallet Size | 500 x 500 mm or 630 x 630 mm (cell configuration dependent) |
| X-Axis Travel | 800 - 1,000 mm (per HMC module) |
| Y-Axis Travel | 800 - 1,000 mm (per HMC module) |
| Z-Axis Travel | 900 - 1,100 mm (per HMC module) |
| Max Spindle Speed | 10,000 - 15,000 rpm (application dependent) |
| Spindle Motor Power | 30 - 45 kW (per HMC module) |
| Pallet Pool Capacity | 20 to 100+ pallets (scalable) |
| Number Of Hmc Modules | 2 to 8 (cell configuration dependent) |
| Max Workpiece Weight | Up to 1,000 kg per pallet |
| CNC Control | Siemens SINUMERIK 840D sl + Comau cell management software |
| System Weight | Varies by configuration |
Specifications sourced from machinio.com — verified 2026-03-28
Strengths & Limitations
Strengths
- Flexible manufacturing cell delivers transfer-line throughput with CNC part-mix flexibility
- Multi-pallet pool and robot loading achieve very high spindle utilization rates
- Scalable architecture — start with 2 HMC modules and expand to 8 as demand grows
- Comau's cell management software integrates with plant MES for real-time OEE monitoring
- Proven in high-volume automotive powertrain production globally
Limitations
- Very high system cost requires high-volume, long-horizon production justification
- Complex system integration requires close collaboration with Comau engineering team
- Cell reconfiguration for major part family changes requires significant engineering effort
Best For
Frequently Asked Questions
01
A functional Flexium HMC cell typically starts with two HMC modules sharing a pallet pool of 20 to 30 pallets and a robot or gantry loader. Smaller single-machine configurations exist, but the productivity benefits of shared automation and pallet pools are most pronounced with two or more machining modules.
02
Yes. Comau designs the Flexium architecture for modular expansion. Additional HMC modules and pallet positions can be added as production volume increases, using pre-engineered interfaces and a cell management software that supports dynamic machine and pallet pool configuration updates.
03
The Flexium HMC is optimized for medium-to-large prismatic components — engine blocks, cylinder heads, transmission cases, pump housings, and similar parts — machined in families of related part numbers. The system handles material types from aluminum to cast iron to steel, with spindle and tooling configurations selected for the customer's specific mix.
04
The cell management software tracks tool usage across all machines in the cell, managing sister tool groups, triggering automatic tool replacement when life limits are reached, and alerting maintenance when the tool magazine requires replenishment. This centralized tool management is critical for sustaining unmanned overnight production cycles.
05
Yes. Comau has installed Flexium and similar flexible manufacturing cell systems in automotive manufacturing facilities in North America, South America, Asia (particularly China and India), and other regions. Comau's global presence supports international installations with local engineering and service resources, though cell integration projects of this complexity always require close collaboration with Comau's Italian headquarters team.
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