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Nashville CMM Calibration and Repair

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How competence is defined, assessed, authorized and re-verified for the work described on this site.

Disciplines
3
Standard
ISO/IEC 17025:2017
Service areas
6

Disciplines Covered

Coordination spans dimensional metrology disciplines: coordinate measuring machine calibration and repair, part program development, and gage calibration covering surface plates, gauge blocks, and ring and plug gauges. Each discipline is matched to a laboratory accredited for that specific scope under ISO/IEC 17025:2017.

Competence Framework

Competence for each discipline is defined by the equipment category and the applicable calibration method. Personnel performing the work are assessed against documented procedures covering method selection, measurement uncertainty evaluation, and result review before release. Requalification follows any change in method, equipment or applicable standard, and is documented as part of the laboratory's quality system.

In practice our framework runs in four steps, and it runs the same way for every discipline listed above.

How Competence Is Established

  1. Defined

    Each task has a written competence requirement: the method, the equipment, the range, and the evidence that counts as proof of capability.

  2. Assessed

    Capability is demonstrated against that requirement — supervised work, witnessed measurement, and comparison against a known reference.

  3. Authorised

    Authorization is granted per task and per range, never as a blanket qualification, and it is recorded.

  4. Re-verified

    Authorizations are reviewed on a schedule and after any change of method, equipment or standard. Training records are kept for as long as the authorization is live.

Authorization and Review

Results are reviewed before release by a role separate from the one that performed the measurement. Authorization to release a certificate is granted by role under the performing laboratory's documented quality procedures, not by individual assignment. Any result a customer wishes to challenge after release is handled through a documented complaints-and-appeals process.

Results are reviewed before release. The review confirms that the method used matches the method quoted, that the recorded conditions are within the limits the method requires, that the calculation and the stated uncertainty are correct, and that the certificate says what the measurement supports and nothing more. Only personnel authorized for that task and range may approve the release of a result, and the approver is recorded against the certificate.

Capacity and Continuity

Scheduling is built around a request-review step that confirms accreditation scope and equipment fit before a quotation is issued. Continuity across multiple sites or recurring visits is maintained through the same review process, with escalation to repair or reprogramming handled as a separate quotation when a deviation is found during calibration.

We staff for cover rather than for peaks. More than one person is authorized for every routine task, so absence or a spike in demand moves the schedule and leaves the result alone.

Requirements outside current authorizations are escalated, never attempted. They are quoted through a laboratory whose scope covers the measurement, or declined with the reason stated.

Related Reading

Equipment, traceability and the management system these authorizations sit inside are described on the quality system page. Open technical roles are listed on the careers page.

Auditing a supplier?

Competence records, method statements and scope detail are supplied on request with any quotation.

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