Primary Service
CMM Calibration and Repair
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Verification, adjustment, and what each artifact detects
Calibration establishes readings against reference values with a stated uncertainty. What most shops need, and what this covers, is performance verification: confirming the machine still meets its stated specification, then adjusting geometry and the volumetric error map where the controller supports it.
For large-envelope bridge and gantry machines common in machinery and heavy equipment building, verification is normally performed on-site, at the foundation the machine already sits on.
What a visit covers
Scales, geometry, probing and length measurement error are checked in sequence, with as-found results recorded before adjustment.
- 01
Scale and reader head
X, Y and Z scales are inspected and cleaned; reader head output is checked and adjusted.
- 02
Air bearings and airlines
Bearing preload and supply air quality are checked against machine tolerance.
- 03
Geometry
Straightness, linearity and squareness are measured in the XY, ZX and ZY planes.
- 04
Length measurement error
E0 and E150 are tested per ISO 10360-2, 105 measurements across five lengths, three repeats, seven positions.
- 05
Probing error
PFTU is tested per ISO 10360-5 against a dedicated calibrated sphere, separate from the qualification reference sphere.
Sequence of work
- 01
Thermal soak
Artifacts and machine are allowed to stabilize to the specified environment before testing begins.
- 02
As-found test
Length measurement error, probing error and geometry are recorded before any adjustment.
- 03
Adjustment
Geometry is corrected and the volumetric compensation map updated where the controller permits it.
- 04
As-left verification
The same tests are repeated and results issued against the applicable specification.
Why Milwaukee CMM Calibration and Repair
- 01
Large-envelope experience
Weldments, frames and gearbox housings are within the working volumes routinely verified here.
- 02
Build-to-print aware
One-off and low-volume machinery parts are the norm, not high-volume PPAP throughput.
- 03
Repair through re-verification
Crash recovery and component repair are followed by a full as-left test, not a partial check.
Coverage across Wisconsin and the Greater Midwest
On-site service is scheduled across southeastern and eastern Wisconsin. Ship-in service is available outside that radius by arrangement.
Other services
Discuss CMM Calibration Requirements
Send the controller type and last calibration date to start a quote.