ASME Y14.5-2018 GD&T Standards: Datums, Position Tolerances & Material Condition Modifiers
Implementing rigorous Geometric Dimensioning and Tolerancing (GD&T) principles to define functional manufacturing limits without costly tolerance stackups.
Empowering quality and mechanical engineering teams with Advanced Dimensional Management (ADM), automated GD&T tolerance stackup calculations, and real-time Statistical Process Control charting.
Implementing rigorous Geometric Dimensioning and Tolerancing (GD&T) principles to define functional manufacturing limits without costly tolerance stackups.
Comparing linear Worst-Case analysis against Root Sum Squares (RSS) and 3D Monte Carlo statistical simulations to balance quality against manufacturing cost.
Deploying real-time automated statistical process control charts on plant floors to detect special-cause variation before non-conforming parts are produced.
By Dr. Gregory Vance, Senior Fellow of Dimensional Engineering • September 2026
Connecting plant-floor manufacturing capability databases directly to CAD tolerance authoring tools to eliminate unmanufacturable engineering designs.
By Helena Lindt, Principal Metrology Specialist • July 2026
Statistical validation of optical 3D scanners, laser trackers, and touch-probe CMMs per AIAG MSA 4th Edition standards.