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Dimensional Metrology

with VGSTUDIO MAX

The dimensional metrology features of Volume Graphics software turn your computed tomography (CT) scanner into a coordinate measuring machine. Volume Graphics software delivers metrology results on voxel, mesh, point cloud, and CAD data that conform with ISO 5459 and ISO 1101. The algorithms used to fit geometry elements to the extracted surfaces have been verified by the German National Metrology Institute PTB and NIST, the National Institute of Standards and Technology of the United States Department of Commerce.

Dimensional Metrology Features

Metrology Software Product Selection Guide

 VGSTUDIO MAXVGMETROLOGYVGMETROLOGY ESVGMETROLOGY VIEWER
 All VG functionalities (GD&T, material analyses, simulation), scalable via add-on modulesGD&T solution with surface determination for standard casesSatellite for GD&T on CT data with pre-determined surfaces from VGSTUDIO MAXTo view GD&T inspection results and to generate reports (free of charge)
CT Data Import: Open .vgl and .mvgl files with reconstructed CT data⦿⦿ ⦾ (.vgl with advanced surface only) ⦾ (.vgl with advanced surface only)
CT Data Import: Import raw volumes or image stacks⦿⦾ (single material only)  

Surface Determination

  • Advanced surface determination (locally adaptive)
  • Multi-material surface determination (locally adaptive)
  • Use CAD, mesh or ROI object as starting contour
  • Convert CT volumes to surface meshes (.stl)
⦿⦾ (advanced s.d. w/o starting contours only, no .stl export)  
Pointcloud and Mesh Import: STL and ASCII point data: csv, obj, ply also with color⦿⦿⦿⦿

CAD Import

  • CAD import (STEP, IGES)
  • CAD import (native formats)
  • CAD import (native formats) with PMI
⦿ (1) ⦿ (1)⦿ (1)⦾ (STEP, IGES only, no permanent saving)

Visualization of CT Data, GD&T, and Analysis Results

  • 2D and 3D rendering of CT data
  • View GD&T results
  • View analysis results
⦿⦾ (no gray values, no material analyses)⦾ (no gray values, no material analyses)⦾ (no gray values, no material analyses)

Regions of Interest (ROI)

  • ROI creation based on geometries
  • ROI creation based on manual selection
⦿⦿⦿⦾ (no permanent saving)

Alignment

  • Point-based: RPS, 321
  • Surface-based: sequential, best fit, feature-based
⦿⦿⦿⦾ (no permanent saving)
Creation of Geometry Elements: Smart expand and automated canonical recognition on CAD and scan⦿⦿⦿⦿
Combination of Geometry Elements: Combine, intersect, project, find symmetry and min./max. points⦿⦿⦿⦿
Nominal/Actual Comparison: Color plot of deviations⦿ (1)⦿⦿⦾ (only update)

Wall Thickness Analysis

  • Ray-based (canonical geometry)
  • Sphere-based (organic geometry)
⦿ (1) ⦿⦿⦾ (only visualize)

Dimensioning

  • 2D dimensioning and tolerancing in sections
  • 3D dimensioning and tolerancing
⦿⦿⦿⦾ (no permanent saving)
Geometric Dimensioning & Tolerancing (GD&T): GD&T tolerancing (position, profile, etc.)⦿⦿⦿⦾ (no profile tolerances, no permanent saving)

Automation

  • Create & replay macros
  • Create & execute re-usable measurement & analysis templates
  • Create & execute self-contained inspection plans ("jobs")
  • Batch processing
⦿⦾ (analysis templates for NAC and WTA only, automation not available for surface determination)⦾ (analysis templates for NAC and WTA only) 
Saving: Save results as new files⦿⦿⦿ 

Reporting

  • Create integrated reports
  • View integrated reports
  • Create Excel reports
  • Flexible WYSIWYG reporting
  • Export of tolerancing results in Q-DAS ASCII transfer format
⦿⦿⦿⦿

Reverse Engineering

  • Manufacturing Geometry Correction
  • Reverse Engineering
  • Mesh Compensation
⦿ (1) ⦿ (1) ⦿ (1)  

⦿ Yes
⦾ Partial
(1) Some or all functions require add-on module(s) in addition to the Coordinate Measurement Module.

Benefits