T RADITIONAL SSEMBLIES (P ARAMETRIC EOMETRIC T …
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MAE 2250 CONTROLLING SPATIAL VARIABILITY in MECHANICAL DESIGN ( CONTROLLING SIZE, SHAPE, & POSITIONAL VARIABILITY …) by PROF. H. B. VOELCKER 1 – TRADITIONAL (PARAMETRIC) TOLERANCES – ASSEMBLIES & GEOMETRIC TOLERANCES
Transcript of T RADITIONAL SSEMBLIES (P ARAMETRIC EOMETRIC T …
MAE 2250 Update: 25-Mar-13
MAE 2250
CONTROLLING SPATIAL VARIABILITY in MECHANICAL DESIGN
( CONTROLLING SIZE, SHAPE, & POSITIONAL VARIABILITY …)
by
PROF. H. B. VOELCKER
1 – TRADITIONAL (PARAMETRIC) TOLERANCES
– ASSEMBLIES & GEOMETRIC TOLERANCES
MAE 2250 Update: 8-Apr-12
2.40"
1.50
"
1.25"
WEAK MODEL OF VARIABILITY
TWO OF THE UNCONTROLLABLE VARIATIONS
LIMITATIONS OF PARAMETRIC TOLERANCES
MAE 2250 Update: 25-Mar-13
MORE LIMITATIONS – LACK OF DEFINED PROCEDURES
