Hexagon Metrology VIEWMAX L Image Measuring Machine

Overview

The Hexagon Metrology VIEWMAX L is a high-precision, large-volume image measuring machine engineered for metrological-grade 2D and 3D geometric inspection in demanding industrial environments. Built upon a robust moving-bridge architecture with a monolithic granite base, the system leverages triangulated beam design to maximize structural stiffness-to-mass ratio—ensuring long-term thermal and mechanical stability across extended measurement volumes. Its core imaging metrology principle relies on high-resolution digital image acquisition, sub-pixel edge detection algorithms, and traceable coordinate transformation calibrated against precision linear encoders (0.4 µm resolution). Unlike conventional optical comparators, the VIEWMAX L integrates programmable multi-spectral illumination (coaxial white LED, green transmission LED, and dual-ring 4×90° surface lighting) to optimize contrast for diverse material surfaces—including reflective, translucent, or low-contrast features—enabling repeatable, operator-independent measurements compliant with ISO 10360 and VDI/VDE 2617 standards.

Key Features

• Moving-bridge kinematic design with precision ground granite platform for dimensional stability and vibration damping
• Air-bearing guideways on all axes—eliminating mechanical wear and ensuring consistent motion fidelity over decades of operation
• Ground-grade recirculating ball screws coupled with three-axis DC servo motors for smooth, high-torque positioning and dynamic repeatability
• Linear optical encoders with 0.4 µm resolution provide direct position feedback independent of mechanical transmission error
• Industrial-grade CMOS camera with adjustable magnification via motorized zoom lens (6.5:1 or 10:1) and optional auxiliary lenses (0.5×, 0.75×, 1.5×, 2×) for scalable field-of-view and depth-of-field control
• Multi-mode illumination system: coaxial white LED for specular surfaces, green LED transmission for transparent/thin parts, and programmable 4×90° dual-ring surface ring light for directional shadow analysis and edge enhancement
• Laser pointer integration for rapid visual alignment and feature location prior to automated measurement sequencing
• Maximum axis travel speed of 290 mm/s enables efficient scanning of large components without compromising measurement integrity

Sample Compatibility & Compliance

The VIEWMAX L accommodates parts ranging from micro-components (<1 mm feature size) to large-format assemblies (up to 2400 mm × 2200 mm footprint), with standard Z-axis stroke of 250 mm—extendable to 400 mm for tall or stacked geometries. Its modular sensor architecture supports non-contact optical measurement as well as tactile probing: optional Renishaw TP20 trigger probe enables hybrid 3D coordinate acquisition, while the Confocal White Light Sensor (CWS) extends capability to soft, deformable, transparent, semi-transparent, or highly reflective materials—such as polymer films, glass wafers, coated optics, and polished metal surfaces—where traditional imaging fails due to lack of edge contrast or surface deformation under contact. The system meets environmental requirements per ISO 22068 for coordinate measuring machines: controlled room temperature (18–22 °C), maximum temporal gradient ≤1 °C/h, spatial gradient ≤1 °C/m, and relative humidity 40–70 % RH. Electrical compliance includes grounding resistance <4 Ω and EMC conformity to IEC 61326-1.

Software & Data Management

Measurement execution and reporting are managed through either METUS—a unified metrology software platform supporting both vision and tactile probing—or PC-DMIS Vision, Hexagon’s industry-standard CMM programming environment adapted for optical metrology. Both platforms support full GD&T evaluation per ASME Y14.5 and ISO 1101, statistical process control (SPC) output, and automated report generation in PDF, Excel, or XML formats. Audit-trail functionality complies with FDA 21 CFR Part 11 requirements when configured with electronic signatures and user-access controls. Raw image data, calibration logs, and measurement sequences are stored with time-stamped metadata, enabling full traceability for GLP/GMP-regulated industries including medical device manufacturing and aerospace component verification.

Applications

The VIEWMAX L serves Tier 1 automotive suppliers for body-in-white fixture validation and stamped part inspection; semiconductor packaging facilities for leadframe and substrate dimensional verification; precision mold and die shops for cavity geometry certification; and electronics manufacturers for PCB fiducial alignment, solder paste volume analysis, and flex-circuit trace width measurement. Its ability to integrate CWS and TP20 allows cross-modal validation—e.g., measuring thickness of a transparent polymer film optically while verifying its flatness via tactile scan—supporting first-article inspection, process capability studies (Cp/Cpk), and supplier quality audits.

FAQ

What is the maximum measurable part size supported by the VIEWMAX L?
Standard configurations support X×Y travel up to 2400 mm × 2200 mm, with Z-axis extension options up to 400 mm. Custom base structures accommodate even larger footprints upon engineering review.
Can the VIEWMAX L measure transparent or reflective materials without modification?
Out-of-the-box capability includes green LED transmission lighting for thin transparent parts. For thicker, curved, or highly reflective surfaces, the optional Confocal White Light Sensor (CWS) is required to achieve nanometer-level vertical resolution and reliable surface reconstruction.
Is the system compliant with ISO 17025 calibration requirements?
Yes—the VIEWMAX L is supplied with factory calibration certificates traceable to national metrology institutes (NMI), and its performance verification protocols align with ISO 10360-7 for optical measuring systems. On-site recalibration services are available through Hexagon-certified metrology labs.
Does the software support automated pass/fail reporting for production line deployment?
Both METUS and PC-DMIS Vision support configurable GO/NO-GO logic, real-time SPC charting, and export of binary decision outputs to PLCs or MES systems via OPC UA or TCP/IP interfaces.
What maintenance intervals are recommended for air-bearing guideways?
Air-bearing systems require no scheduled lubrication or wear-part replacement. Annual preventive maintenance includes filter inspection, air supply dew point verification, and encoder calibration validation—typically completed in under four hours by certified service engineers.