2008 Quality Expo Detroit Conference
Thursday, June 12, 2008
Session 200 : Metrology -- CT/CMM
Instructors: Charles Smith, Sr. Engineering Manager, Varian Security and Inspecition Products; Kathleen Brokdorf, Application Engineer, Phoenix X-ray Systems and Services, Inc.; Thomas Nora, Product Manager, IMTEC Corp., Hytec Division; Jose Torres, Sr., Software Engineer, Carl Zeiss IMT
9:00 AM — 10:00 AM
CMM Grade CT Inspection Workshop
Topics include:
  • How CT functions
  • First article inspection with CT
  • Measurement accuracy with CT
  • Flaw detection with CT
  • New design features of CMM-CT
  • Performance improvements
10:00 AM — 11:00 AM
Precision 3D Metrology with High Resolution CT
Topics include:
  • Principles of Computed Tomography (CT)
  • System requirements for highest resolution CT
  • CT as a new tool for 3D metrology of internal object surfaces
  • New correction methods to improve CT quality
  • Comparison of different methods for surface extraction
  • Comparison study: determination of the precision of different CT-systems used for metrology
  • Suitability of CT systems to be used as CMMs
11:00 AM- 12:00 PM
Cone Beam Computed Tomography (CCBCT) in Quality Measurements and Metrology Studies
Topics include:
  • Background of 3D x-ray imaging and CT
  • Advances in CBCT algorithms
  • Current Hardware Innovations in CBCT
  • New uses of CBCT for modern QA processes examples of industrial applications
  • Trends for the next 5 years
2:00 PM - 4:00 PM
CMM’s (Coordinate Measuring Machine) Within Factory Automation Cells
Topics include:
  • Principles of design
  • Requires shop hardened or environmentally isolated CMM
  • Known interfaces can be implemented quickly
  • Reduced cost of software error proofing by OEM
  • Single OEM ownership
  • ID data, part status, feedback control
  • OEM designed interface and cabling
  • Increased cost for software error proofing by OEM
  • Dual OEM ownership issue
  • PC based CMMs need to develop own drivers for RF tags/barcodes
  • What’s the future of an F.A. CMM?
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