How tolerances map to GCDs
Each tolerance and roughness type applies only to certain GCD types. The following table which shows what types of tolerance apply to each GCD type, and whether they can be imported as PMI from CATIA, Creo, NX, and SolidWorks:
 
 
Symbol
Curved Surface
Curved Wall
Keyway
Planar Face
Simple Hole
Complex Hole
MultiStep Holes
Edge
/Edge-Segment
Bend (B&T)
Lance
Import from PMI?
Tolerance (coordinate)
X
X
X
X
X
X
 
X
 
X
N
Roughness Ra
X
 
 
X
X
 
 
 
 
 
Y, except Solidworks
Roughness Rz
X
 
 
X
X
 
 
 
 
 
Y, except Solidworks
Diam Tolerance
X
X
 
 
X
 
 
 
 
 
Y
True Position
 
X
 
X
X
 
 
X
 
X
Y
Bend Angle Tolerance
 
 
 
 
 
 
 
 
X*
 
N*
Circularity
 
X
 
 
X
 
 
 
 
 
Y
Concentricity
 
X
 
 
X
 
 
 
 
 
Y
Cylindricity
 
X
 
 
X
 
 
 
 
 
N
Flatness
 
 
 
X
 
 
 
 
 
 
Y
Parallelism
 
X
 
X
X
 
 
 
X
 
Y
Perpendicularity
 
X
 
X
X
 
 
 
 
 
Y
Profile of Surface
X
X
 
X
 
 
 
 
 
 
Y
Runout
X
X
 
 
X
 
 
 
 
 
Y
Total Runout
 
X
 
 
X
 
 
 
 
 
Y
Straightness
 
X
X
X
X
 
 
 
 
 
Y
Symmetry
X
X
X
X
X
 
 
 
 
 
Y
* CAD Angularity GD&T callout maps to Bend GCD in Bar & Tube only. Entered manually only.