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| Product Inspection |
Product Inspection- also
known as deviation analysis - provides a graphic comparison
of physical part data to a nominal CAD model. Digitizing / Scanning
data that represents the physical production part geometry
is compared to the original design (CAD geometry) to verify
part conformance relative to design specifications and confirms
whether critical tolerances and quality standards are being
met.
Full dimensional layouts can also be provided in First Article Inspection (FAI) and Product Parts Approval Process (PPAP) formats. |
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Why is it useful? 
Comparison of the physical data with the design model results
in a three-dimensional deviation map that has excellent color
separation and is high resolution. Our color error maps literally
provide a thousand dimensions at a glance . 2D Section Views
are used to highlight specific feature non-conformances. Accompanying
dimensions call out the precise amount
of deviation. The data collected can also be used as a template
for updating a 3D CAD model that is no longer current - see Reverse Engineering |
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Are there any limitations?
The challenges of documenting complex geometry are easily overcome as long as the surfaces to be scanned are within "line of sight". In many cases, castings can be made of internal passages that can be scanned separately and added to the external geometry. Other means of data collection such as: Physical sectioning, destructive scanning, photogrametry, X-Ray, CT-Scan, and MRI are also available.
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» What Kind of Products can Benefit?
Typical product components include those found in Consumer Electronics, Recreational, Automotive, Aerospace, Defense, and Medical applications. |
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How are business goals affected?
By clearly highlighting part non-conformances, our Product Inspection
reports will help reduce troubleshooting and engineering time
by eliminating the guesswork. This not only affects the bottom
line, but also reduces development cycle time. |
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The Process:
- The product or component is
Digitized.
- The data is refined and registered to the CAD model.
- The distance from each data point to the surface of the model is measured in a direction normal to the CAD surface. Based on the calculated distance, the point is assigned a color.
- Color plots showing the part in various positions are created, and a custom format report is prepared.
- the report is delivered both electronically in PDF format, and in hardcopy.
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