The models are based on FTC-07 (box), FTC-08 (lid), and FTC-09 (plate) from above. This dataset is based on the project Design, Manufacturing, and Inspection Data for a Box Assembly. The STC can be downloaded as CAD models generated in Dassault Systèmes CATIA, Siemens NX, and Autodesk Inventor. The STC remove some of the more complicated and less commonly used PMI, including all datum targets. Some of the FTC have been modified to create Simplified Test Cases (STC). Some of the PMI defined in a test case might not have been modeled in a CAD system as semantic and/or graphical PMI. Inventor 2018, Inventor 2019, Inventor 2021ĬAD models indicated by * above were verified as part of the testing project and documented in the Test Results below. SolidWorks 2012 * (CTC), SolidWorks 2015 * (FTC), SolidWorks MBD 2018 CTC 02 and 04 fit together in an assemblyĭownload FTC and CTC CAD Models CAD Software ( NIST Disclaimer) The CTC are not intended to be fully toleranced.Download the CTC Definitions including STEP AP203 files of model geometry only and explanations of all PMI.FTC 07, 08, 09, and 10 fit together in an assembly.Download the FTC Definitions including STEP AP203 files of model geometry only and explanations of all PMI.The MTC are modified versions of some of the FTC where the geometry and PMI is different. The STC are modified versions of the FTC that remove some of the more complicated and less commonly used PMI, including all datum targets.
The test cases are intended to be valid presentations of GD&T defined in the ASME Y14 tolerancing standards, some of which may not be commonly used. Simpler GD&T strategies could have been used. The FTC and CTC are not intended to represent best practice in how to apply GD&T (geometric dimensioning and tolerancing) to a part. The FTC and CTC were part of the original testing project described in the link to the left for the MBE PMI Validation and Conformance Testing Project.
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