PAS CMM Solution: Automated CMM Programming in Three Simple Steps

At A Glance

PAS CMM is used efficiently by non expert users to create an extensive and complete inspection programs, improve quality and significantly reduce the programming time.

With PAS CMM the entire process of creating an inspection program can be completed in minutes rather than hours or days. It can be simulated and verified in a virtual machine environment and transferred to your current metrology software in a standard DMIS format.

Step 1

  • Automatic feature extraction is applied to the part model. Features such as planes, holes, slots, rounds and chamfers are identified and  assigned to inspection directions (probe orientation is calculated automatically for each feature).
  • List of the probe directions is displayed in the form of a tree view, where each branch represents a direction. The branches are further expandable to sub-groups by feature type.
  • PAS CMM provides powerful filtering, selection and grouping tools. This allows user quickly identify and sort out the geometry that should and should not be inspected.

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Step 2

  • The user defines inspection requirements for the part either by setting the inspection parameters (number of touch points, location, tolerances etc.) or by entering dimensions and geometric tolerances.
  • Inspection parameters can be set for a whole part, branch, group, specific feature or any combination thereof.
  • Inspection parameters can be set for a whole part, branch, group, specific feature or any combination thereof.
  • Holes, rounds and shafts can be identified and grouped by radius or diameter. This allows applying tolerances to the whole model in an extremely fast manner.

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Step 3

  • A probe path is generated. PAS CMM analyzes the model and automatically creates probe points including approach, retract, clearances, “air movements”, head rotations, etc.
  • Probe points are placed on each feature according to the specified parameters set in the process (number of points, location, tolerance, etc.)
  • All movements are automatically checked for collision, taking into account the probe geometry, part and fixture (if any).
  • All probe movements are automatically optimized to minimize time needed for inspection.

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The Results

  • An inspection (DMIS) program is automatically created and constantly updated after every change done by the user.
  • Different automatic alignment and re-alignment options are available. The user can set an unlimited number of local or incremental alignments.
  • All GD&T requirements defined in PAS CMM are written into DMIS program hence the Inspection Report is generated by your original metrology software as usual.
  • DMIS program can be “posted” to different machines and metrology environments. This provides the ultimate flexibility to multi-machine facilities.

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About High QA

Committed to the automation of quality assurance processes, High QA is a team of manufacturing experts with over 100 years of experience in mechanical CAD/CAM, inspection, PLM and Lean manufacturing.

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