Downloaded from https://www.everyspec.com MIL-STD-31000A APPENDIX B B.7 DEFINING A MODEL USING MODEL BASED DEFINITION. What follows is the basic methodology and list of the basic tools and guidelines used to create and organize product data in the 3D model. The guidelines establish a recommended practice to organize and structure model data for viewing by the downstream user (See Figure 6). The downstream user may be a non-CAD user and may view the data in a lightweight 3D viewer as opposed to viewing data from a 2D drawing. Figure 6. MBD Methods. B.7.1 Naming Conventions.
Every item supporting MBD should be named in a consistent manor in order to facilitate both understanding and automating data extraction. Features should be named consistently to describe their intended purpose. All other annotations and supporting information should begin with “MBD#_Description” to identify it as MBD data. Future definition prefixes will be named appropriately (See Figure 7 for some examples) Design MBD#_ Manufacturing MBM#_ Inspection MBI#_ Technical Publications MBP#_ Logistics MBL#_ Testing MBT#_ Others? MB?#_ Figure 7. Definition Prefixes. 40