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A STEP-Based Information Model
for Dimensional Inspection
Contents
1 INTRODUCTION....................................................................................................... 1
2 REFERENCE TO OTHER STANDARDS AND DRAFT STANDARDS......... 3
3 ORGANIZATION OF THE DIMENSIONAL INSPECTION INFORMATION
REQUIREMENTS MODEL............................................................................................ 4
4 DIMENSIONAL MEASUREMENT INFORMATION REQUIREMENTS.......... 5
4.1 Part Requirements...................................................................................................5
4.1.1 Part_arm ............................................................................................................5
4.1.2 Geometric_model_arm.........................................................................................6
4.1.3 Value_with_unit_arm (Ref. AP214)........................................................................7
4.1.4 Shape-element_feature_arm(Ref. AP224) ..............................................................8
4.2 Tolerance Requirements.........................................................................................9
4.2.1 Dimension_tolerance_arm(Ref. Application Module 1050 in [3]) ...............................9
4.2.2 Derived_shape_element_arm.............................................................................. 14
4.2.3 Geometric_tolerance_arm (from AP214) .............................................................. 14
4.2.4 Cartesian_point_and_vector_arm ........................................................................ 22
4.3 Manufacturing Feature Requirements................................................................... 22
4.4 Dimensional Measurement Program ID Requirements.......................................... 22
4.4.1 Dimensional_measurement_program_identification_arm........................................ 22
4.5 Dimensional Measurement Feature Requirements................................................ 23
4.5.1 Dimensional_measurement_feature_arm ............................................................. 23
4.6 Dimensional Measurement Parameter Requirements........................................... 33
4.6.1 Dimensional_measurement_parameter_arm......................................................... 33
4.7 Dimensional Measurement Execution Result Requirements ................................. 34
4.7.1 Dimensional_measurement_execution_result_arm ............................................... 34
4.7.2 Dimensional_measurement_program_run_arm ..................................................... 35
4.7.3 Person_organisation_arm................................................................................... 36
4.7.4 Date_time_arm (from the PDM Modules)............................................................. 37
5 REFERENCES .......................................................................................................38