Geometric Tolerance (GDT) — Position Tolerance Measurement
Educational 53Engineering 2Instructional 16Metrology 1Technical 11 CAD GDT Geometric Tolerance Inspection Measurement Methods PC-DMIS Position Tolerance Quality Assurance RationalDMIS Tolerance Calculation
Instructional video on GDT position tolerance measurement covering definitions (datum, theoretical position), tolerance zones, evaluation principles and calculation (P = 2 × offset), and step‑by‑step measurement examples for one-, two-, three‑axis cases, hole positional tolerances, surface position and common measurement strategies.
