
Coordinate Measuring Machines
CMM Calibration and Repair
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StandardISO/IEC 17025:2017CoverageWestern Pennsylvania and the Upper Ohio Valley
Scope of Calibration
Bridge, gantry and cantilever CMMs and portable articulated arms are calibrated under ISO/IEC 17025:2017. Length measurement error and probing performance are checked against the machine's stated specification, and the environment around the machine, temperature, vibration and foundation condition, is noted where it affects the result.
Repair is scoped separately from calibration. The failure is documented in an as-found report before any repair work is authorized, covering scales, bearings, air bearings, probe heads and controller faults.

What Gets Checked
Calibration follows documented procedures for axis performance, volumetric accuracy and probe qualification, with results reviewed before release.
- 01
Linear error
Axis positioning checked along each travel using traceable length standards.
- 02
Volumetric performance
Length measurement error verified across the working volume per the applicable test.
- 03
Probe qualification
Probing error and repeatability checked against a calibrated reference sphere.
- 04
Repair diagnostics
Scale, bearing and controller faults isolated before a repair quotation is issued.
- 05
Environmental check
Temperature, vibration and foundation conditions are noted against the machine's specification.
How a Request Moves
- 01
Request review
Machine model, controller and access window are reviewed before scheduling.
- 02
As-found data
Baseline measurements are recorded before any adjustment is made.
- 03
Calibration or repair
Adjustment, repair or replacement is performed as scoped and approved.
- 04
Certificate issued
As-left data, uncertainty and reference standards are stated on the report.

Why Pittsburgh CMM Calibration and Repair
- 01
As-found reporting
Failures are documented before adjustment so drift history is not lost.
- 02
Repair scoped separately
Diagnosis is completed first, and the repair quotation follows it.
- 03
Portable and fixed machines
Bridge, gantry, cantilever and articulated-arm CMMs are all covered.
Coverage across Western Pennsylvania and the Upper Ohio Valley
Service is coordinated across Western Pennsylvania and the Upper Ohio Valley. Availability of on-site versus depot service varies by equipment type and location.
Other services
Discuss CMM Calibration and Repair Requirements
Submit machine details to receive a calibration or repair quotation.