Zimmermann Debuted 5-Axis Milling Machine in Chicago
Manufacturers of large molds can now utilize a new portal milling system for complex light-material processing.
Updated on Sept. 28, 2026 in Manufacturing
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Zimmermann displayed its new FZU22 5-axis portal milling machine at the IMTS 2026 trade show in Chicago. This equipment is designed to handle lighter weight materials, such as wood, plastics, aluminum, and carbon fiber, for large industrial structures.
Why it matters
The FZU22 aims to improve production precision for businesses crafting large molds and models, addressing a specific need for thermal stability. By adopting this technology, operators can reduce warping during the machining process, which is essential for accuracy in high-tolerance applications.
The FZU22 features a 15 kW spindle and a 24-tool changer, delivering ISO 230-2 accuracy for specialized 5-axis machining. These units are available in both P and U configurations to suit varying manufacturing floor footprints.
The players
Zimmermann
A developer of specialized portal milling machines for the aerospace, automotive, and mold-making industries.
Siemens
A multinational technology conglomerate that provides CNC control systems for industrial automation.
Heidenhain
A precision measurement and control manufacturer that supplies high-end CNC technology to machine tool builders.
The details
The FZU22 employs a thermo-symmetrical design to prevent one-sided heating, a common cause of inaccuracy in long-duration milling. Its overhead gantry configuration allows for the effective machining of complex models and molds. Operators can choose between Siemens or Heidenhain CNC controls to integrate the machine into existing digital workflows.
Timeline
September 14-19, 2026: Zimmermann showcased the FZU22 at IMTS 2026.
Market Landscape
The introduction of the FZU22 aligns with established ISO 230-2 accuracy standards for high-precision industrial tooling. This release follows a broader industry trend of optimizing large-scale portal milling for lighter, composite-heavy material applications.
Operators currently managing large-scale mold production should evaluate if their existing equipment matches the ISO 230-2 precision provided by these new 5-axis configurations. When assessing capital expenditure, compare the thermal-stability benefits of the gantry design against existing operational waste levels.
The takeaway
The move toward thermo-symmetrical machine designs underscores the growing necessity of thermal control in high-tolerance mold manufacturing. Operators should monitor their machine heat profiles and consider whether current maintenance cycles are sufficient to guarantee the accuracy required for high-end carbon fiber applications.
Further reading
For more on the latest trends in production hardware, see our Manufacturing section.
Source note: This article includes information reported by Automation World.
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