CMM Inspection
CMM Inspection: Validating Critical Dimensions with 3D Precision
What Is CMM Inspection?
Coordinate Measuring Machine (CMM) inspection is a metrology process used to verify the dimensional accuracy of machined components such as housings, flanges, and shafts. It involves measuring features in three dimensions using a probe system referenced against CAD models.
What Defines a High-Quality CMM Inspection?
CMM quality control involves:
- Accurate 3D scanning or tactile probing
- Tight measurement tolerances (±0.005 mm or better)
- Automated comparison to CAD drawings
- Repeatability under thermal and mechanical stability
It is especially useful for verifying GD&T (Geometric Dimensioning and Tolerancing) requirements.
Why CMM Inspection Matters for Planetary Reducers
Reducer assembly quality depends on precise part geometry. CMM inspection ensures:
- Proper alignment of shafts and bearings
- Accurate bolt hole positioning and spacing
- Tight mounting flatness for motor interfaces
- Consistent reducer-to-motor fit
This improves assembly efficiency and mechanical reliability.
How VIGE Uses CMM Inspection
We inspect key components after CNC machining using:
- Bridge and gantry-type CMMs
- High-accuracy Renishaw or Zeiss probes
- Digitized inspection reports stored by part ID
- Periodic verification against master artifacts
We inspect 100% of high-tolerance parts and random-sample others.
Additional Benefits of CMM in Production
CMM inspection reduces fitting issues and improves part interchangeability. Benefits include:
- Faster assembly
- Reduced rework
- Reliable global standard compliance
