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YOUR CENTRAL SOURCE FOR DATA EXCHANGE
www.TranscenData.com
Any mention of commercial products is for information only; it does not imply recommendation or endorsement by NIST.
NIST MBE PMI Validation & Conformance Testing FTC Model Verification Results June 2015 Doug Cheney CAD Validation Specialist ITI TranscenData [email protected]
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NIST is Supporting the Discrete Part Manufacturing Industry for Long-term Growth
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NIST MBE PMI Validation and Conformance Testing Program Objectives
Develop test cases, test models and software algorithms sufficient to measure conformance of CAD systems to American Society of Mechanical Engineers (ASME) standards for Product and Manufacturing Information (PMI).
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ASME Y14.5 Dimensioning and Tolerancing ASME Y14.41 Digital Product Data Definition Practices
Web site: http://go.usa.gov/mGVm
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Example Fully-toleranced Test Case (FTC) and Test Models
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Test Case CATIA V5 R24 Model
NX 9.0 Model
Creo 3.0 Model SolidWorks 2015 Model
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Conformance Testing Terminology
PMI element: An annotation, coordinate system, supplemental geometry entity, or saved view
Presentation: What the human user sees (Visual consumption)
Representation: What the downstream software receives (Automated consumption)
Verification: How well each PMI element is modeled (CAD system capability)
Validation: How well each PMI element is translated (Translator capability)
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Fully-toleranced vs. Combined Test Cases
Combined Test Case (CTC) – Combination of representative PMI constructs– Not intended to be realistic
Fully-toleranced Test Case (FTC) – All geometric features are fully-toleranced in the context of the GD&T– Each tolerancing feature is adequately controlled and constrained by
tolerances that comply with the applicable dimensioning, tolerancing,and modeling standards
– Includes as many annotation types and constructs as needed to fullycontrol and constrain each geometric feature relative to one or moredatum reference frames
– Accounts for the constraint requirements on the form, size, orientation,and location of features and hierarchical interrelationships betweentheir tolerance zones and datum reference frames
– Not intended to be functional
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Verification Testing Methodology
The representation and presentation of each PMI element is compared to the test case specification Any differences, which cannot be resolved with an alternate modeling technique, are categorized as a: – Representation Limitation– Presentation Limitation– Style Difference (representation and presentation are correct but
different between systems)
Each limitation/difference is grouped by characteristic and type An example of each characteristic-type combination is documented in this presentation The following slide indexes (underlined) these examples
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Representation Limitation Annotation structure Annotation parameters Annotation geometry Coordinate system structure Coordinate system parameters Supplemental geometry structure Supplemental geometry parameters
Style Difference Annotation structure Annotation geometry Supplemental geometry structure Product geometry parameters
Presentation Limitation Annotation visibility Annotation color Annotation name Annotation layout Annotation location Annotation orientation Annotation lines Annotation text Coordinate system visibility Coordinate system color Coordinate system name Coordinate system text Supplemental geometry visibility Supplemental geometry color Saved view structure Saved view name Saved view frustum
PMI Constructs
Verification Characteristics (and index to examples)
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If a characteristic is not underlined, no limitations were found in this dataset.
Test Case Drawings and Models
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Verification Capability Measurement Methodology
Each PMI element limitation/difference is counted by category, characteristic, and type The subtotal per characteristic is divided by the subtotal of PMI elements to which it applies – Multiple limitations/differences of the same characteristic for the same
PMI element are only counted once
The total per category is divided by the total PMI elements – Multiple limitations/differences of the same category for the same PMI
element are only counted once, with representation > presentation
The following slides show these statistics for this dataset The name of each CAD system is generalized according to the overall results (“CAD A” better than “CAD B”…)
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Representation Limitation Counts by Characteristic and Type (across all systems)
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Style Difference Counts by Characteristic and Type (across all systems)
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Presentation Limitation Counts by Characteristic and Type (across all systems)
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Verification Percentages by Characteristic and System
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Each percentage is calculated using this ratio:
(Element count – Limitation count) Element count
The limitation count excludes limitations with the same characteristic (but different types) on the same PMI element.
Percentages less than 90% are shown in bold font.
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Verification Percentages by System
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“No Limitations” measures the capability for both automated and visual consumption and is calculated as 100% less the other limitation percentages.
“Representation Level” measures the capability for automated consumption only and is calculated as 100% less the representation limitations percentage.
The presentation and representation limitation percentages are calculated using this ratio:
Limitation count Element count
The “Presentation Limitation Only” count excludes presentation limitations that overlap with representation limitations on the same PMI element.
The “Element Count” includes all annotations, coordinate systems, supplemental geometry entities, and saved views specified in the test cases.
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Verification Summary
The limitation characteristics and types are different for each system. All 4 CAD systems are able to represent more than 80% of the annotations, supplemental geometry entities, and saved views in this verification test. The systems vary significantly in their ability to visually present the PMI elements as specified in the test cases. None of the systems are able to present the complex dimensions (counterbore, countersink, hole, slot) as specified in the test case while representing the correct geometry associations for each component of the dimension.
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Representation Limitation Annotation structure Annotation parameters Annotation geometry Coordinate system structure Coordinate system parameters Supplemental geometry structure Supplemental geometry parameters
Style Difference Annotation structure Annotation geometry Supplemental geometry structure Product geometry parameters
Presentation Limitation Annotation visibility Annotation color Annotation name Annotation layout Annotation location Annotation orientation Annotation lines Annotation text Coordinate system visibility Coordinate system color Coordinate system name Coordinate system text Supplemental geometry visibility Supplemental geometry color Saved view structure Saved view name Saved view frustum
PMI Constructs
Verification Characteristics (and index to examples)
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If a characteristic is not underlined, no limitations were found in this dataset.
Test Case Drawings and Models
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Return to Index
CAD System Representation Limitations for
Annotation Structure
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Representation Limitation
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Annotation Structure: FCF extension lines defined as separate DIM
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These extension lines are defined as a separate dimension that has no displayed value.
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Representation Limitation
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Annotation Structure: FCF missing composite layout
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Test Case
This feature control frame lacks the specified composite layout.
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Representation Limitation
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Annotation Structure: FCF not defined
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Test Case
This specified feature control frame is defined.
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Representation Limitation
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Annotation Structure: FCF projected tolerance zone defined as separate DIM
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The length of the projected tolerance zone for this feature control frame is defined as a separate dimension.
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Representation Limitation
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Annotation Structure: FCF text defined as separate note
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The text which defines the between-basis for this feature control frame is defined as a separate note annotation.
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Representation Limitation
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Annotation Structure: FCF text duplicated
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This annotation text is defined twice in the model.
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Return to Index
CAD System Representation Limitations for
Annotation Parameters
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Representation Limitation
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Annotation Parameters: Chamfer DIM width not defined
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This chamfer is missing the dimension that defines its width.
Test Case
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Representation Limitation
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Annotation Parameters: DIM conic surfaces defined with encoded text
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The conic surfaces portion of this dimension is defined using encoded text.
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Representation Limitation
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Annotation Parameters: DIM controlled radius defined with encoded text
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The controlled radius parameter of this dimension is defined using encoded text.
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Representation Limitation
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Annotation Parameters: DIM missing dual dimension tolerance
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This dual dimension is missing a tolerance value.
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Representation Limitation
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Annotation Parameters: DIM not defined as reference DIM
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This dimension has parentheses, as specified, but is not defined as a reference dimension.
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Representation Limitation
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Annotation Parameters: DIM origin not defined
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The origin for this oriented dimension is not defined.
Correct Incorrect
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Representation Limitation
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Annotation Parameters: DIM radius defined with encoded text
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The radius parameter of this dimension is defined using encoded text.
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Representation Limitation
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Annotation Parameters: DIM slot radius defined with encoded text
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The radius parameter of this dimension is defined using encoded text.
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Representation Limitation
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Annotation Parameters: DIM spherical diameter defined with encoded text
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The spherical diameter parameter of this dimension is defined using encoded text.
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Representation Limitation
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Annotation Parameters: DIM spherical radius defined with encoded text
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This spherical radius parameter of this dimension is defined using encoded text.
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Representation Limitation
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Annotation Parameters: DIM tapered center defined with encoded text
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The tapered center parameter of this dimension is defined using encoded text.
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Representation Limitation
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Annotation Parameters: FCF between-basis defined with encoded text
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The between-basis for this feature control frame is defined as encoded text and not with named parameters.
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Representation Limitation
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Annotation Parameters: FCF diameter symbol not specified
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Test Case
This geometric tolerance has an incorrect diameter symbol.
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Representation Limitation
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Annotation Parameters: FCF dual dimension defined with encoded text
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This dual dimension is defined using encoded text.
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Representation Limitation
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Annotation Parameters: FCF free state defined with encoded text
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This free state tolerance modifier is defined using encoded text.
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Representation Limitation
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Annotation Parameters: FCF missing all-around designation
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Test Case
This feature control frame is missing an all-around symbol.
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Representation Limitation
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Annotation Parameters: FCF missing tangent plane modifier
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This feature control frame is missing the specified tangent plane modifier.
Test Case
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Representation Limitation
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Annotation Parameters: FCF spherical diameter defined with encoded text
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This spherical diameter tolerance zone symbol is defined using encoded text.
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CAD System Representation Limitations for
Annotation Geometry
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Representation Limitation
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Annotation Geometry: DFS not associated with complete set of faces
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This datum feature symbol is not associated with all of the specified faces.
Complete
Incomplete
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Representation Limitation
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Annotation Geometry: DIM associated with incorrect face
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Correct Incorrect
This dimension is not associated with the correct specified face.
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Representation Limitation
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Annotation Geometry: DIM not associated with complete set of faces
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This dimension is only associated with some of the specified faces.
Complete
Incomplete
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Representation Limitation
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Annotation Geometry: DIM not associated with edge
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This dimension is not associated with the specified edge.
Correct
Incorrect
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Representation Limitation
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Annotation Geometry: DIM not associated with face
NIST MBE PMI FTC Model Verification Results 48
Correct Incorrect
This dimension is not associated with both specified faces.
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Representation Limitation
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Annotation Geometry: DTS not associated with SG curve
NIST MBE PMI FTC Model Verification Results 49
Correct
Incorrect
This datum target symbol is not associated with the specified curve.
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Representation Limitation
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Annotation Geometry: FCF associated with incorrect face
NIST MBE PMI FTC Model Verification Results 50
Correct
Incorrect
This feature control frame is not associated with the correct faces.
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Representation Limitation
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Annotation Geometry: FCF extension line DIM not associated with correct face
NIST MBE PMI FTC Model Verification Results 51
Incomplete Complete
The extension lines for this dimension are not associated with all of the specified faces.
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Representation Limitation
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Annotation Geometry: FCF not associated with complete set of faces
NIST MBE PMI FTC Model Verification Results 52
Complete Incomplete
This feature control frame is not associated with all of the specified faces.
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Representation Limitation
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Annotation Geometry: FCF not associated with SG curve
NIST MBE PMI FTC Model Verification Results 53
This feature control frame is not associated with the supplemental geometry curve that defines its tolerance direction on this face.
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CAD System Style Differences for
Annotation Structure
54 NIST MBE PMI FTC Model Verification Results
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Style Difference
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Annotation Structure: DTS requires DFS to be defined
NIST MBE PMI FTC Model Verification Results 55
The system requires a datum feature symbol to be defined when a datum target symbol is defined. It allows the datum feature symbol to be hidden so the view appears as specified in the test case.
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Return to Index
CAD System Style Differences for
Annotation Geometry
56 NIST MBE PMI FTC Model Verification Results
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Style Difference
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Annotation Geometry: DFS edge association is extraneous
NIST MBE PMI FTC Model Verification Results 57
The association of this datum feature symbol with the edge of the hole is used to indicate graphical placement. It is not specified in the test case.
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Style Difference
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Annotation Geometry: DIM edge association is extraneous
NIST MBE PMI FTC Model Verification Results 58
This dimension is unnecessarily associated with the edges of this hole.
Correct Incorrect
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Style Difference
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Annotation Geometry: FCF edge association is extraneous
NIST MBE PMI FTC Model Verification Results 59
Correct Incorrect
This geometric tolerance is unnecessarily associated with the edges of this hole.
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Return to Index
CAD System Style Differences for
Supplemental Geometry Structure
60 NIST MBE PMI FTC Model Verification Results
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Style Difference
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Supplemental Geometry Structure: FCF limited area is non-solid surface on solid face
NIST MBE PMI FTC Model Verification Results 61
The limited area for this feature control frame is defined as a non-solid surface placed on the solid face.
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Style Difference
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Supplemental Geometry Structure: FCF limited area is subdivided solid face
NIST MBE PMI FTC Model Verification Results 62
The limited area for this feature control frame is defined as a solid face that has been separated from the adjacent faces in this solid.
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CAD System Presentation Limitations for
Annotation Visibility
63 NIST MBE PMI FTC Model Verification Results
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Presentation Limitation
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Annotation Visibility: DFS is extraneous when DTS is defined
NIST MBE PMI FTC Model Verification Results 64
This datum feature symbol is unnecessary when a datum target symbol is defined.
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CAD System Presentation Limitations for
Annotation Layout
65 NIST MBE PMI FTC Model Verification Results
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Presentation Limitation
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Annotation Layout: Counterbore DIM defined as two separate DIM's
NIST MBE PMI FTC Model Verification Results 66
This counterbore dimension cannot be defined as a single annotation with named parameters that each have correct face associations. It must be defined as two separate dimensions.
Test Case
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Presentation Limitation
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Annotation Layout: Countersink DIM defined as two separate DIM's
NIST MBE PMI FTC Model Verification Results 67
This countersink dimension cannot be defined as a single annotation with named parameters that each have correct face associations. It must be defined as two separate dimensions.
Test Case
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Presentation Limitation
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Annotation Layout: DIM dual dimension bracket size very small
NIST MBE PMI FTC Model Verification Results 68
The brackets on this dimension are very small relative to the text height.
Incorrect Correct
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Presentation Limitation
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Annotation Layout: DIM dual dimension position is incorrect
NIST MBE PMI FTC Model Verification Results 69
Correct Incorrect
This dual dimension is inserted between the primary nominal dimension and its tolerance.
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Presentation Limitation
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Annotation Layout: DIM not stacked correctly
NIST MBE PMI FTC Model Verification Results 70
These hole and counterbore dimensions are not combined as specified.
Test Case
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Presentation Limitation
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Annotation Layout: DIM text misaligned
NIST MBE PMI FTC Model Verification Results 71
Test Case
The text for the nominal value of this dimension is not aligned as specified.
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Presentation Limitation
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Annotation Layout: FCF defined separate from general note text
NIST MBE PMI FTC Model Verification Results 72
This geometric tolerance is defined as a separate entity from the general notes.
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Presentation Limitation
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Annotation Layout: FCF instance count not in front
NIST MBE PMI FTC Model Verification Results 73
This instance count is not in the specified location.
Test Case
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Presentation Limitation
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Annotation Layout: FCF modifiers reversed
NIST MBE PMI FTC Model Verification Results 74
Test Case
The order of these feature control frame modifiers is reversed from the specification.
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Presentation Limitation
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Annotation Layout: FCF stack order reversed
NIST MBE PMI FTC Model Verification Results 75
Test Case
These feature control frames are not stacked as specified.
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Presentation Limitation
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Annotation Layout: Hole DIM defined as two separate DIM’s
NIST MBE PMI FTC Model Verification Results 76
Test Case
This hole dimension is defined using two separate dimensions.
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Presentation Limitation
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Annotation Layout: Slot DIM defined as two separate DIMS
NIST MBE PMI FTC Model Verification Results 77
This slot dimension is defined using two separate dimensions.
Test Case
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CAD System Presentation Limitations for
Annotation Location
78 NIST MBE PMI FTC Model Verification Results
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Presentation Limitation
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Annotation Location: DFS not attached to FCF
NIST MBE PMI FTC Model Verification Results 79
Attached Not Attached
This datum feature symbol is not attached to the associated feature control frame for this hole pattern.
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Presentation Limitation
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Annotation Location: FCF not attached to DIM
NIST MBE PMI FTC Model Verification Results 80
This feature control frame is not attached to it’s associated dimension.
Test Case
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CAD System Presentation Limitations for
Annotation Orientation
81 NIST MBE PMI FTC Model Verification Results
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Presentation Limitation
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Annotation Orientation: DIM view plane rotated
NIST MBE PMI FTC Model Verification Results 82
This dimension is not oriented as specified.
Test Case
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Presentation Limitation
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Annotation Orientation: FCF view plane rotated
NIST MBE PMI FTC Model Verification Results 83
Test Case
This feature control frame is not oriented as specified.
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CAD System Presentation Limitations for
Annotation Lines
84 NIST MBE PMI FTC Model Verification Results
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Presentation Limitation
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Annotation Lines: DFS missing extension line
NIST MBE PMI FTC Model Verification Results 85
This datum feature symbol does not have the specified extension line.
Test Case
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Presentation Limitation
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Annotation Lines: DIM leader line is extraneous
NIST MBE PMI FTC Model Verification Results 86
This dimension has an extra leader line that is not specified.
Correct Incorrect
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Presentation Limitation
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Annotation Lines: FCF divider line cuts through symbol
NIST MBE PMI FTC Model Verification Results 87
Test Case
The divider line of this feature control frame runs through the tolerance symbol.
![Page 88: NIST MBE PMI Validation & Conformance Testing FTC … · NIST MBE PMI Validation & Conformance Testing FTC Model Verification Results ... The total per category is divided by the](https://reader031.vdocuments.mx/reader031/viewer/2022021522/5b7b932f7f8b9ae7368e0703/html5/thumbnails/88.jpg)
Presentation Limitation
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Annotation Lines: FCF leader line passes through FCF
NIST MBE PMI FTC Model Verification Results 88
The leader line for this annotation stack passes through the feature control frame.
Test Case
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Presentation Limitation
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Annotation Lines: FCF missing dual leader lines
NIST MBE PMI FTC Model Verification Results 89
Test Case
This feature control frame is missing a second leader line.
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Presentation Limitation
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Annotation Lines: FCF radial extension lines defined as SG curves
NIST MBE PMI FTC Model Verification Results 90
These extension lines have been created as non-solid curves in the model.
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CAD System Presentation Limitations for
Annotation Text
91 NIST MBE PMI FTC Model Verification Results
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Presentation Limitation
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Annotation Text: DFS text is extraneous
NIST MBE PMI FTC Model Verification Results 92
Test Case
This datum feature symbol has an unspecified “R” symbol.
![Page 93: NIST MBE PMI Validation & Conformance Testing FTC … · NIST MBE PMI Validation & Conformance Testing FTC Model Verification Results ... The total per category is divided by the](https://reader031.vdocuments.mx/reader031/viewer/2022021522/5b7b932f7f8b9ae7368e0703/html5/thumbnails/93.jpg)
Presentation Limitation
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Annotation Text: DIM has extraneous space
NIST MBE PMI FTC Model Verification Results 93
This dimension has extra spaces around the parentheses.
Test Case
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Presentation Limitation
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Annotation Text: DIM missing pattern text
NIST MBE PMI FTC Model Verification Results 94
Complete Incomplete
This annotation is missing the pattern instance count.
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Presentation Limitation
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Annotation Text: DIM missing zero tolerance limit negative sign
NIST MBE PMI FTC Model Verification Results 95
This tolerance is missing the specified negative sign.
Test Case
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Presentation Limitation
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Annotation Text: DIM nominal value rounded incorrectly
NIST MBE PMI FTC Model Verification Results 96
Test Case
The nominal value of this dimension is rounded incorrectly.
![Page 97: NIST MBE PMI Validation & Conformance Testing FTC … · NIST MBE PMI Validation & Conformance Testing FTC Model Verification Results ... The total per category is divided by the](https://reader031.vdocuments.mx/reader031/viewer/2022021522/5b7b932f7f8b9ae7368e0703/html5/thumbnails/97.jpg)
Presentation Limitation
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Annotation Text: DIM pattern text is extraneous
NIST MBE PMI FTC Model Verification Results 97
This dimension has extra pattern text.
Test Case
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Presentation Limitation
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Annotation Text: DIM pattern text is incorrect
NIST MBE PMI FTC Model Verification Results 98
This dimension does not show the specified instance count.
Test Case
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Presentation Limitation
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Annotation Text: FCF extension line DIM text is extraneous
NIST MBE PMI FTC Model Verification Results 99
Test Case
The extension lines for this feature control frame include an unspecified dimension.
![Page 100: NIST MBE PMI Validation & Conformance Testing FTC … · NIST MBE PMI Validation & Conformance Testing FTC Model Verification Results ... The total per category is divided by the](https://reader031.vdocuments.mx/reader031/viewer/2022021522/5b7b932f7f8b9ae7368e0703/html5/thumbnails/100.jpg)
Presentation Limitation
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Annotation Text: FCF missing projected tolerance zone length
NIST MBE PMI FTC Model Verification Results 100
The length of the projected tolerance zone for this feature control frame is not displayed as specified.
Test Case
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Presentation Limitation
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Annotation Text: FCF pattern text is extraneous
NIST MBE PMI FTC Model Verification Results 101
Test Case
This feature control frame has extra pattern text.
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Presentation Limitation
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Annotation Text: FCF pattern text is incorrect
NIST MBE PMI FTC Model Verification Results 102
Test Case
This feature control frame does not show the specified instance count.
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CAD System Presentation Limitations for
Coordinate System Visibility
103 NIST MBE PMI FTC Model Verification Results
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Presentation Limitation
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Coordinate System Visibility: CS visible in wrong view
NIST MBE PMI FTC Model Verification Results 104
This coordinate system is shown in a view for which it is not specified.
Test Case
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CAD System Presentation Limitations for
Supplemental Geometry Visibility
105 NIST MBE PMI FTC Model Verification Results
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Presentation Limitation
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Supplemental Geometry Visibility: SG curve visible in wrong view
NIST MBE PMI FTC Model Verification Results 106
These supplemental curves are visible in a view for which they are not specified.
Test Case
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Presentation Limitation
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Supplemental Geometry Visibility: SG point visible in wrong view
NIST MBE PMI FTC Model Verification Results 107
These supplemental points are visible in a view for which they are not specified.
Test Case
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CAD System Presentation Limitations for
Saved View Structure
108 NIST MBE PMI FTC Model Verification Results
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Presentation Limitation
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Saved View Structure: View cannot contain annotations on different planes
NIST MBE PMI FTC Model Verification Results 109
The PMI views in this system are limited to annotations with the same view and reading directions. The specified saved view has annotations with multiple view and reading directions.
Test Case
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CAD System Presentation Limitations for
Saved View Frustum
110 NIST MBE PMI FTC Model Verification Results
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Presentation Limitation
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Saved View Frustum: View camera position not defined
NIST MBE PMI FTC Model Verification Results 111
Each saved view in the test case has a specified camera position (view direction and zoom level). This system is unable to store a camera position in its PMI view definition.
Test Case
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PMI Constructs
112 NIST MBE PMI FTC Model Verification Results
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PMI Constructs in FTC 6
NIST MBE PMI FTC Model Verification Results 113
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PMI Constructs in FTC 8
NIST MBE PMI FTC Model Verification Results 114
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PMI Constructs in FTC 9
NIST MBE PMI FTC Model Verification Results 115
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Test Case Drawings and Models
116 NIST MBE PMI FTC Model Verification Results
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Fully-toleranced Test Case 6 Saved View MBD_A Drawing
NIST MBE PMI FTC Model Verification Results 117
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Fully-toleranced Test Case 6 Saved View MBD_A Models
NIST MBE PMI FTC Model Verification Results 118
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Fully-toleranced Test Case 6 Saved View MBD_B Drawing
NIST MBE PMI FTC Model Verification Results 119
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Fully-toleranced Test Case 6 Saved View MBD_B Models
NIST MBE PMI FTC Model Verification Results 120
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Fully-toleranced Test Case 6 Saved View MBD_C Drawing
NIST MBE PMI FTC Model Verification Results 121
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Fully-toleranced Test Case 6 Saved View MBD_C Models
NIST MBE PMI FTC Model Verification Results 122
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Fully-toleranced Test Case 8 Saved View MBD_A Drawing
NIST MBE PMI FTC Model Verification Results 123
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Fully-toleranced Test Case 8 Saved View MBD_A Models
NIST MBE PMI FTC Model Verification Results 124
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Fully-toleranced Test Case 8 Saved View MBD_B Drawing
NIST MBE PMI FTC Model Verification Results 125
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Fully-toleranced Test Case 8 Saved View MBD_B Models
NIST MBE PMI FTC Model Verification Results 126
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Fully-toleranced Test Case 8 Saved View MBD_C Drawing
NIST MBE PMI FTC Model Verification Results 127
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Fully-toleranced Test Case 8 Saved View MBD_C Models
NIST MBE PMI FTC Model Verification Results 128
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Fully-toleranced Test Case 8 Saved View MBD_D Drawing
NIST MBE PMI FTC Model Verification Results 129
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Fully-toleranced Test Case 8 Saved View MBD_D Models
NIST MBE PMI FTC Model Verification Results 130
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Fully-toleranced Test Case 9 Saved View MBD_A Drawing
NIST MBE PMI FTC Model Verification Results 131
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Fully-toleranced Test Case 9 Saved View MBD_A Models
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Fully-toleranced Test Case 9 Saved View MBD_B Drawing
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Fully-toleranced Test Case 9 Saved View MBD_B Models
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Fully-toleranced Test Case 9 Saved View MBD_C Drawing
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Fully-toleranced Test Case 9 Saved View MBD_C Models
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Fully-toleranced Test Case 9 Saved View MBD_D Drawing
NIST MBE PMI FTC Model Verification Results 137
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Fully-toleranced Test Case 9 Saved View MBD_D Models
NIST MBE PMI FTC Model Verification Results 138
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