About Chicago CMM Calibration

A single request — equipment make/model, ZIP code, standard required, delivery preference — is scoped against the artifact set, envelope coverage, and accreditation needed for the job.

An itemized quote covering scope, turnaround, and pricing is returned directly. There is no bidding round, no marketing intermediary, and no markup layered on the calibration deliverable.

Calibration is performed under ISO/IEC 17025 laboratory accreditation. The headline performance standards for CMMs are the ISO 10360 family — ISO 10360-2 for length-measurement (E0), ISO 10360-5 for probing performance — and ASME B89.4.10360.2, the US-domain acceptance test.

For articulated-arm CMMs, ASME B89.4.22 and ISO 10360-12 govern acceptance. For optical and scanning probes, ISO 10360-7 and ISO 10360-8 apply. Standard selection is dictated by the equipment family being calibrated and the buyer's downstream audit requirements (AS9100, IATF 16949, ISO 9001).

A full calibration cycle characterizes volumetric accuracy (MPE_E), probing performance (MPE_P), and — where required — the 21 parametric errors via laser interferometer. Artifacts deployed include step gauge, ISO 3650 gauge blocks, ball bar, ball plate, hole plate, and reference sphere; the artifact set is matched to the CMM's measurement envelope and the standard selected.

The calibration certificate documents as-found and as-left data, environmental log (typically 20 ± 1 °C with 24-hour soak), reference-standard traceability to NIST, and the uncertainty budget.

An ISO/IEC 17025 accreditation is independent third-party evidence that the calibration laboratory's quality management system, reference standards, and uncertainty estimates have been audited against a defined technical scope. For quality-audited buyers — AS9100, IATF 16949, ISO 9001 — this is the floor of evidence required to keep CMM measurement data admissible in conformance reporting.

Calibration is performed only under an active ISO/IEC 17025 accreditation against the relevant CMM scope.

Submit the request form. Scope is matched by ZIP and equipment family, and an itemized quote covering scope, turnaround, and pricing is returned directly. Start a quote request →