|
Check Name
|
Geometric Data Criteria in VDA 4955 standard
|
Configuration
|
Default Status
|
Default Setting
|
|---|---|---|---|---|
|
Tiny elements
|
For Curves:
Tiny curve or segment–G-CU-TI
For surfaces:
Degenerate surface boundary–G-SU-DC
For solids:
Tiny solid–G-SO-TI
For faces (Bounded surfaces):
Tiny Face–G-FA-TI
|
M1_TINY_ELMNT
|
E
|
0.020 mm
|
|
Identical elements
|
For curves/wire geometry:
Embedded curves–G-CU-EM
For surfaces:
Embedded surfaces–G-SU-EM
For Drawings:
Embedded elements–D-GE-EM
|
M2_IDENTICAL_ELMNT
|
E
|
0.020 mm
|
|
Position continuity
|
For Curves:
Large segment Gap (G0 discontinuity)–G-CU-LG
For surfaces:
Large patch Gap (G0 discontinuity)–G-SU-LG
|
M3A_POSITION_CONT
|
E
|
0.020 mm
|
|
Tangential continuity
|
For curves:
Non-Tangent segments (G1 discontinuity)–G-CU-NT
For Surfaces:
Non-tangent patches (G1 discontinuity)–G-SU-NT
|
M3B_TANG_CONT
|
E
|
0.100 mm
|
|
Curvature continuity
|
For Curves:
Non-Smooth segments (G2 discontinuity)–G-CU-NS
For Surfaces:
Non-smooth patches (G2 discontinuity)–G-SU-NS
|
M3C_CURV_CONT
|
E
|
10.000 mm
|
|
Polynomial degree
|
For curves:
High-Degree curve–G-CU-HD
For surfaces:
High degree surface–G-SU-HD
|
M4_POLYN_DEG
|
E
|
11o
|
|
Waviness
|
For curves:
Wavy planar curve–G-CU-WV
For Surfaces:
Wavy surface–G-SU-WV
|
M5_WAVINESS
|
E
|
N/A
|
|
Knot distance
|
For curves:
Indistinct curve Knots–G-CU-IK
For surfaces:
Indistinct surface knots–G-SU-IK
|
M6_KNOT_DIST
|
E
|
0.020 mm
|
|
Distance from itself
|
Self-intersecting surface–G-SU-IS
|
C7_SELF_DIST
|
E
|
0.020 mm
|
|
IGES conform text
|
ISO conformable texts–G-DW-CT
|
D28_IGES_TEXT
|
E
|
N/A
|
|
Tiny segment edge
|
Tiny surface or patch–G-SU-TI
|
SU8_TINY_SEG_EDGE
|
E
|
0.200 mm
|
|
Minimal curvature radius
|
Small surface radius of curvature–G-SU-CR
|
SU9_TINY_CURV_RAD
|
E
|
0.500 mm
|
|
Angle between edges
|
Degenerate surface corner–G-SU-DP
|
SU10_BOUND_ANGLE
|
E
|
2o
|
|
Reversal of normals
|
Folded surfaces–G-SU-FO
|
SU11_NORM_REVERSAL
|
E
|
N/A
|
|
Patch distribution
|
Fragmented surface–G-SU-FG
|
SU12_PATCH_DIST
|
E
|
N/A
|
|
Unoccupied patch rows
|
Unused patches–G-SU-UN
|
SU13_UNOC_PATCH_ROW
|
E
|
N/A
|
|
Penetration/distance of boundaries
|
Intersecting loops–G-FA-IS
|
F14_BOUND_DIST
|
E
|
0.020
|
|
Proximity of boundary curve to its surface
|
Large edge face gap–G-FA-EG
|
F15_SURF_DIST
|
E
|
0.020
|
|
Parallel Path/similar Orientation
|
Inconsistent edge in loop–G-LO-IT
|
F16_SIM_ORIENT
|
E
|
N/A
|
|
Number of segments in a boundary curve
|
Fragmented edge–G-ED-FG
|
F17_NUM_SEG
|
E
|
2
|
|
Junction / number of faces per edge
|
Over-used edge–G-SH-NM
|
T18_NUM_FACE
|
E
|
3
|
|
Orientation of similar normals
|
Inconsistent face in shell–G-SH-IT
|
T19_NORMAL_ORIENT
|
E
|
N/A
|
|
Knife edge
|
Sharp face angle–G-SH-SA
|
T20_KNIFE_EDGES
|
E
|
2.000
|
|
Distance to vertex edge
|
Large vertex gap–G-FA-VG
Vertex to edge gap.
|
SO21_DIST_VERTEX_EDGE
|
E
|
0.020
|
|
Distance to vertex face
|
Large vertex gap–G-FA-VG
Vertex to face gap.
|
SO22_DIST_VERTEX_FACE
|
E
|
0.020
|
|
Deletion of history
|
Missing solid construction history–O-SO-MH
|
SO23_HIST_DELETE
|
E
|
N/A
|
|
Auxiliary geometry
|
Unused solid construction history–O-SO-UH
|
SO24_EXTRA_GEOM
|
E
|
N/A
|
|
Cavities
|
Embedded solids–G-SO-EM
|
SO25_CAVITIES
|
E
|
N/A
|
|
Multi-body solids
|
Multi-volume solid–G-SO-MU
|
SO26_MULT_BODY
|
E
|
N/A
|
|
Multi-solid parts
|
Multi-solid model–G-MO-MU
|
SO27_MULT_SOLID
|
E
|
N/A
|