Compare CMM Models
Use this guide to match a PeakMerit coordinate measuring machine to your part size, tolerance target, inspection environment, and production workflow. PeakMerit offers bridge CMMs, fixed-bridge systems, shop-floor machines, and gantry CMMs for precision manufacturing and quality control.
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Choose by Application
General QC lab, first article inspection, and production sampling: start with Polaris-C.
Tight-tolerance precision parts, molds, 3C components, and scanning workflows: compare Gemini.
Ultra-precision measurement in a controlled metrology room: review Libra.
Near-line inspection close to manufacturing: choose Aries.
Large, heavy, or oversized parts with crane or open-floor loading: evaluate Taurus.
Comparison Summary
Polaris-C Classic Bridge CMM: balanced value, accuracy, working volume, and flexible probing for everyday quality teams.
Gemini High-Precision Bridge CMM: higher bridge CMM performance for tighter tolerances, stable scanning, and demanding lab work.
Libra Ultra-High-Precision Fixed-Bridge CMM: fixed-bridge stability for controlled metrology rooms and low measurement uncertainty targets.
Aries Shop-Floor CMM: compact near-line inspection for fast production feedback close to manufacturing.
Taurus Large-Part Gantry CMM: open-access gantry platform for oversized parts, heavy workpieces, and long-travel measurement.
Polaris-C Classic Bridge CMM
Best fit: machine shops, mold and tooling teams, incoming inspection, first article inspection, and general QC labs.
Why choose it: a practical bridge CMM platform with strong value, air-bearing motion, temperature sensing, and a wide range of model sizes.
Typical setup: touch-trigger probing for standard dimensional inspection, with scanning-ready configurations available after review.
Visible product button text: View Polaris-C Classic Bridge CMM
Gemini High-Precision Bridge CMM
Best fit: precision machining, molds, electronics and 3C components, automotive parts, and higher-accuracy quality labs.
Why choose it: a more precise bridge platform for tighter tolerance work, profile scanning, repeatable programs, and stable dynamic motion.
Typical setup: CZ10T-S or CZ10M-S probe head options, CF20 touch-trigger modules, SC30 scanning probe, and compatible MACC controller package.
Visible product button text: View Gemini High-Precision Bridge CMM
Libra Ultra-High-Precision Fixed-Bridge CMM
Best fit: ultra-precision labs, high-value components, reference parts, complex profiles, and applications with low measurement uncertainty targets.
Why choose it: fixed-bridge rigidity, granite construction, high-resolution scales, and strong stability for controlled metrology rooms.
Typical setup: application-specific stylus planning with touch-trigger, scanning, or advanced probing reviewed against the acceptance standard.
Visible product button text: View Libra Ultra-High-Precision Fixed-Bridge CMM
Aries Shop-Floor CMM
Best fit: compact manufacturing cells, near-line inspection, first-off and last-off checks, and production feedback near CNC equipment.
Why choose it: wider operating temperature range, compact footprint, contamination-resistant axis design, and practical shop-floor operation.
Typical setup: robust touch-trigger probing, simplified operator routines, and fast dimensional checks for small to medium production parts.
Visible product button text: View Aries Shop-Floor CMM
Taurus Large-Part Gantry CMM
Best fit: large aerospace structures, automotive fixtures, heavy castings, large mold bases, welded assemblies, and oversized machined frames.
Why choose it: gantry architecture keeps the measuring area open while supporting long-travel inspection and large-part loading access.
Typical setup: large-part touch-trigger or scanning package with fixture review, stylus extension planning, and site/foundation review.
Visible product button text: View Taurus Large-Part Gantry CMM
Recommended Next Step
Send your part envelope, target tolerance, part weight, inspection environment, preferred probing method, and expected throughput. PeakMerit will recommend a machine platform and configuration for quotation.