Primary Service
CMM Calibration and Repair
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Verification against a stated specification
Calibration establishes a machine's relationship to reference values with stated uncertainty. What most shops need day to day is performance verification: confirming the machine still meets its MPE under ISO 10360-2 or ASME B89.4.1.
As-found results are recorded before any geometric adjustment. Where the controller supports it, an updated volumetric error compensation map follows adjustment, and as-left results close the visit.
What a visit covers
A verification visit follows a fixed sequence in a set order, from scale inspection through as-left sign-off. Large-envelope machines used for aerostructure tooling and assembly fixtures are verified in place wherever transport is impractical.
- 01
Scale and reader head
X, Y and Z scales are inspected and cleaned; reader head output is checked.
- 02
Air bearings and geometry
Airline condition, straightness, linearity and squareness in three planes are checked.
- 03
Length measurement error
ISO 10360-2 E0/E150 testing: five lengths, three repeats, seven positions, 105 measurements.
- 04
Probing error
ISO 10360-5 form error on a calibrated test sphere separate from the qualification reference sphere.
- 05
Repair and retrofit
Probe heads, scales, air bearings, drives, counterbalance and controller retrofits after a crash or relocation.
Sequence of a verification visit
- 01
Soak and inspect
Thermal soak, then scale, reader head and air bearing inspection.
- 02
As-found testing
Geometry, length measurement error and probing error recorded before adjustment.
- 03
Adjustment
Geometric adjustment and, where the controller allows, an updated error map.
- 04
As-left and certificate
Repeat testing as-left, then certificate issue with uncertainty stated.
Why Kansas City CMM Calibration and Repair
- 01
As-found is recorded
Out-of-tolerance results are captured before adjustment erases the evidence.
- 02
Large-envelope capable
On-site verification suits large aerostructure fixture and tooling CMMs.
- 03
Repair through retrofit
Probe, scale, bearing and controller repair sit alongside verification.
Coverage across Missouri and the Greater Midwest
On-site scheduling and travel terms vary by distance from Kansas City, MO; confirm coverage for your location before booking.
Other services
Discuss CMM Calibration Requirements
Describe the machine and the standard the certificate should reference.