ISO/TS 10303-1814:2019 Machining features


Application module: Machining features	ISO/TS 10303-1814:2019(E) © ISO

Cover page
Table of contents
Copyright
Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions and abbreviated terms
3.1 Terms and definitions
3.2 Abbreviated terms

4 Information requirements
4.1 Required AM ARMs
4.2 ARM type definitions
4.3 ARM entity definitions
4.4 ARM subtype constraint definition
5 Module interpreted model
5.1 Mapping specification
5.2 MIM EXPRESS short listing
5.2.1 MIM type definition
5.2.2 MIM entity definition
5.2.3 MIM rule definitions

A MIM short names
B Information object registration
C ARM EXPRESS-G
D MIM EXPRESS-G
E Computer interpretable listings
F Change history
Bibliography
Index


         (*
ISO/TC 184/SC 4/WG 12 N10172 - ISO/TS 10303-1814 Machining features - EXPRESS ARM
Supersedes 
         ISO/TC 184/SC 4/WG 12 N9618
*)



SCHEMA Machining_features_arm;


         USE FROM
         Elemental_geometric_shape_arm;
            -- ISO/TS 10303-1004


         USE FROM
         Feature_and_connection_zone_arm;
            -- ISO/TS 10303-1671


         USE FROM
         Group_arm;
            -- ISO/TS 10303-1113


         USE FROM
         Measure_representation_arm;
            -- ISO/TS 10303-1118


         USE FROM
         Specification_document_arm;
            -- ISO/TS 10303-1747


         USE FROM
         Value_with_unit_arm;
            -- ISO/TS 10303-1054


TYPE angle_or_directed_taper =
         
         
         SELECT

            (Angle_taper, 
    Directed_taper);

         END_TYPE;


TYPE compound_feature_select =
         
         
         SELECT

            (Machining_feature, 
    Transition_feature);

         END_TYPE;


TYPE end_type_select =
         
         
         SELECT

            (Complete_circular_path_feature_component, 
    General_path_feature_component);

         END_TYPE;


TYPE hole_bottom_condition_select =
         
         
         SELECT

            (Blind_bottom_condition, 
    Through_bottom_condition);

         END_TYPE;


TYPE manufacturing_group_select =
         
         
         SELECT

            (Manufacturing_feature, 
    Manufacturing_feature_group);

         END_TYPE;


TYPE mf_additional_application_domain_enumeration =
         
         ENUMERATION
         
         BASED_ON 
         additional_application_domain_enumeration
         WITH 
         

            
         (machining_feature);

         END_TYPE;


TYPE mf_groupable_item =
         
         
         SELECT
         BASED_ON
         groupable_item
         WITH 
         

            (Manufacturing_feature, 
    Manufacturing_feature_group);

         END_TYPE;


TYPE pocket_bottom_condition_select =
         
         
         SELECT

            (Pocket_bottom_condition, 
    Through_pocket_bottom_condition);

         END_TYPE;


TYPE profile_select =
         
         
         SELECT

            (Profile_floor, 
    Through_profile_floor);

         END_TYPE;


TYPE replicate_base_select =
         
         
         SELECT

            (Machining_feature, 
    Replicate_feature);

         END_TYPE;


TYPE taper_select =
         
         
         SELECT

            (Angle_taper, 
    Diameter_taper, 
    Directed_taper);

         END_TYPE;


TYPE thread_hand =
         
         ENUMERATION
         
         OF
         

            
         (left,
    right);

         END_TYPE;


TYPE thread_side =
         
         ENUMERATION
         
         OF
         

            
         (internal,
    external);

         END_TYPE;


TYPE volume_select =
         
         
         SELECT

            (Protrusion, 
    Boss);

         END_TYPE;


ENTITY Angle_taper;

           angle : Numerical_item_with_unit;

         
         END_ENTITY;


ENTITY Bevel_gear

           ABSTRACT SUPERTYPE
         
         OF (ONEOF (Helical_bevel_gear,
                                Straight_bevel_gear))

           SUBTYPE OF (Defined_gear);

           tip_angle : Numerical_item_with_unit;

           root_angle : Numerical_item_with_unit;

         
         END_ENTITY;


ENTITY Blind_bottom_condition

           ABSTRACT SUPERTYPE
         
         OF (ONEOF (Conical_hole_bottom,
                                Flat_hole_bottom,
                                Flat_with_radius_hole_bottom,
                                Flat_with_taper_hole_bottom,
                                Spherical_hole_bottom));

           start_or_end : BOOLEAN;

         
         END_ENTITY;


ENTITY Boss

           ABSTRACT SUPERTYPE
         
         OF (ONEOF (Circular_boss,
                                General_boss,
                                Rectangular_boss))

           SUBTYPE OF (Multi_axis_feature);

           boss_height : Linear_path_feature_component;

           fillet_radius : 
         OPTIONAL 
         Numerical_item_with_unit;

           top_condition : Boss_top_condition;

         
         END_ENTITY;


ENTITY Boss_top_condition

           ABSTRACT SUPERTYPE
         
         OF (ONEOF (General_top_condition,
                                Planar_top_condition));

           top_radius : 
         OPTIONAL 
         Numerical_item_with_unit;

           start_or_end : BOOLEAN;

         
         END_ENTITY;


ENTITY Catalogue_gear

           SUBTYPE OF (Gear);

           documentation : Specification_definition;

         
         END_ENTITY;


ENTITY Catalogue_knurl

           SUBTYPE OF (Knurl);

           documentation : Specification_definition;

         
         END_ENTITY;


ENTITY Catalogue_marking

           SUBTYPE OF (Marking_feature);

           documentation : Specification_definition;

         
         END_ENTITY;


ENTITY Catalogue_thread

           SUBTYPE OF (Thread);

           documentation : Specification_definition;

           major_diameter : 
         OPTIONAL 
         Numerical_item_with_unit;

         
         END_ENTITY;


ENTITY Chamfer

           SUBTYPE OF (Transition_feature);

           chamfer_face : Face_shape_element;

           first_parameter : First_chamfer_offset;

           second_parameter : Second_chamfer_parameter;

         
         END_ENTITY;


ENTITY Chamfer_angle

           SUBTYPE OF (Second_chamfer_parameter);

           angle_amount : Numerical_item_with_unit;

         
         END_ENTITY;


ENTITY Circular_boss

           SUBTYPE OF (Boss);

           circular_profile : Circular_closed_profile;

           change_in_diameter : 
         OPTIONAL 
         taper_select;

         
         END_ENTITY;


ENTITY Circular_closed_profile

           SUBTYPE OF (Closed_profile);

           diameter : Numerical_item_with_unit;

         
         END_ENTITY;


ENTITY Circular_closed_shape_profile

           SUBTYPE OF (Shape_profile);

           closed_boundary : Circular_closed_profile;

         
         END_ENTITY;


ENTITY Circular_cutout

           SUBTYPE OF (Cutout_feature);

           circular_boundary : Circular_closed_profile;

         
         END_ENTITY;


ENTITY Circular_offset_pattern;

           index_number : INTEGER;

           angular_offset : Numerical_item_with_unit;
INVERSE

           relocated_base_feature_for : SET[1:?] OF Circular_pattern FOR relocated_base_feature;

         
         END_ENTITY;


ENTITY Circular_omit_pattern;

           omit_index : INTEGER;
INVERSE

           missing_base_feature_for : SET[1:?] OF Circular_pattern FOR missing_base_feature;

         
         END_ENTITY;


ENTITY Circular_path_feature_component

           ABSTRACT SUPERTYPE
         
         OF (ONEOF (Complete_circular_path_feature_component,
                                Partial_circular_path_feature_component))

           SUBTYPE OF (Path_feature_component);

           radius : length_measure;

         
         END_ENTITY;


ENTITY Circular_pattern

           SUBTYPE OF (Replicate_feature);

           relocated_base_feature : SET[0:?] OF Circular_offset_pattern;

           missing_base_feature : SET[0:?] OF Circular_omit_pattern;

           base_feature_rotation : Numerical_item_with_unit;

           number_of_features : INTEGER;

           base_feature_diameter : 
         OPTIONAL 
         Numerical_item_with_unit;

           angular_spacing : Numerical_item_with_unit;

         
         END_ENTITY;


ENTITY Closed_profile

           ABSTRACT SUPERTYPE
         
         OF (ONEOF (Circular_closed_profile,
                                General_closed_profile,
                                Ngon_profile,
                                Rectangular_closed_profile))

           SUBTYPE OF (Profile);

         
         END_ENTITY;


ENTITY Closed_slot

           SUBTYPE OF (Slot);

           end_condition : Loop_slot_end_type;

           course_of_travel : end_type_select;

         
         END_ENTITY;


ENTITY Complete_circular_path_feature_component

           SUBTYPE OF (Circular_path_feature_component);

         
         END_ENTITY;


ENTITY Compound_feature

           SUBTYPE OF (Machining_feature);

           element : SET[2:?] OF Compound_feature_element;

         
         END_ENTITY;


ENTITY Compound_feature_element;

           element : compound_feature_select;

         
         END_ENTITY;


ENTITY Compound_feature_relationship;

           predecessor : Compound_feature_element;

           successor : Compound_feature_element;

         
         END_ENTITY;


ENTITY Conical_hole_bottom

           SUBTYPE OF (Blind_bottom_condition);

           tip_angle : Numerical_item_with_unit;

           tip_radius : 
         OPTIONAL 
         Numerical_item_with_unit;

         
         END_ENTITY;


ENTITY Constant_radius_edge_round

           SUBTYPE OF (Edge_round);

           first_face_offset : 
         OPTIONAL 
         Numerical_item_with_unit;

           second_face_offset : 
         OPTIONAL 
         Numerical_item_with_unit;

           radius : Numerical_item_with_unit;

         
         END_ENTITY;


ENTITY Constant_radius_fillet

           SUBTYPE OF (Fillet);

           first_face_offset : 
         OPTIONAL 
         Numerical_item_with_unit;

           second_face_offset : 
         OPTIONAL 
         Numerical_item_with_unit;

           radius : Numerical_item_with_unit;

         
         END_ENTITY;


ENTITY Counterbore_hole

           SUBTYPE OF (Hole);

           smaller_hole : Round_hole;

           larger_hole : Round_hole;
WHERE

           WR1: SIZEOF(['MACHINING_FEATURES_ARM.COUNTERSUNK_HOLE',
            'MACHINING_FEATURES_ARM.ROUND_HOLE'] * TYPEOF(SELF)) = 0;

         
         END_ENTITY;


ENTITY Countersunk_hole

           SUBTYPE OF (Hole);

           constant_diameter_hole : Round_hole;

           tapered_hole : Round_hole;
WHERE

           WR1: SIZEOF(['MACHINING_FEATURES_ARM.COUNTERBORE_HOLE',
            'MACHINING_FEATURES_ARM.ROUND_HOLE'] * TYPEOF(SELF)) = 0;

         
         END_ENTITY;


ENTITY Cutout_feature

           ABSTRACT SUPERTYPE
         
         OF (ONEOF (Circular_cutout,
                                General_cutout))

           SUBTYPE OF (Pocket);

           SELF\Pocket.bottom_condition : Through_pocket_bottom_condition;

         
         END_ENTITY;


ENTITY Defined_gear

           ABSTRACT SUPERTYPE
         
         OF (ONEOF (Bevel_gear,
                                Helical_gear,
                                Spur_gear))

           SUBTYPE OF (Gear);

         
         END_ENTITY;


ENTITY Defined_marking

           SUBTYPE OF (Marking_feature);

           font_name : 
         OPTIONAL 
         text;

           special_instruction : 
         OPTIONAL 
         text;

           character_spacing : 
         OPTIONAL 
         Numerical_item_with_unit;

           character_height : 
         OPTIONAL 
         Numerical_item_with_unit;

         
         END_ENTITY;


ENTITY Defined_thread

           SUBTYPE OF (Thread);

           crest : 
         OPTIONAL 
         Numerical_item_with_unit;

           minor_diameter : 
         OPTIONAL 
         Numerical_item_with_unit;

           pitch_diameter : 
         OPTIONAL 
         Numerical_item_with_unit;

           major_diameter : Numerical_item_with_unit;

         
         END_ENTITY;


ENTITY Diagonal_knurl

           SUBTYPE OF (Turned_knurl);

           helix_hand : text;

           helix_angle : Numerical_item_with_unit;

         
         END_ENTITY;


ENTITY Diameter_taper;

           final_diameter : Numerical_item_with_unit;

         
         END_ENTITY;


ENTITY Diamond_knurl

           SUBTYPE OF (Turned_knurl);

           helix_angle : Numerical_item_with_unit;

         
         END_ENTITY;


ENTITY Directed_taper;

           direction : Direction_element;

           angle : Numerical_item_with_unit;

         
         END_ENTITY;


ENTITY Direction_element

           SUBTYPE OF (Shape_element);

         
         END_ENTITY;


ENTITY Edge_round

           SUBTYPE OF (Transition_feature);

           edge_round_face : Face_shape_element;

           first_face_shape : Face_shape_element;

           second_face_shape : Face_shape_element;

         
         END_ENTITY;


ENTITY Face_shape_element

           SUBTYPE OF (Shape_element);
DERIVE

           SELF\Shape_element.product_definitional : BOOLEAN := TRUE;

         
         END_ENTITY;


ENTITY Face_shape_element_relationship

           SUBTYPE OF (Shape_element_relationship);

           SELF\Shape_element_relationship.relating : Face_shape_element;

           SELF\Shape_element_relationship.related : Face_shape_element;

         
         END_ENTITY;


ENTITY Fillet

           SUBTYPE OF (Transition_feature);

           fillet_face : Face_shape_element;

           first_face_shape : Face_shape_element;

           second_face_shape : Face_shape_element;

         
         END_ENTITY;


ENTITY First_chamfer_offset;

           face_shape : Face_shape_element;

           offset_amount : Numerical_item_with_unit;

         
         END_ENTITY;


ENTITY Flat_hole_bottom

           SUBTYPE OF (Blind_bottom_condition);

         
         END_ENTITY;


ENTITY Flat_slot_end_type

           SUBTYPE OF (Slot_end_type);

           first_radius : Numerical_item_with_unit;

           second_radius : Numerical_item_with_unit;

         
         END_ENTITY;


ENTITY Flat_with_radius_hole_bottom

           SUBTYPE OF (Blind_bottom_condition);

           corner_radius : Numerical_item_with_unit;

         
         END_ENTITY;


ENTITY Flat_with_taper_hole_bottom

           SUBTYPE OF (Blind_bottom_condition);

           taper_diameter : Numerical_item_with_unit;

           final_diameter : Numerical_item_with_unit;

         
         END_ENTITY;


ENTITY Gear

           ABSTRACT SUPERTYPE
         
         OF (ONEOF (Catalogue_gear,
                                Defined_gear))

           SUBTYPE OF (Machining_feature);

           nominal_tooth_depth : Numerical_item_with_unit;

           reference_pressure_angle : Numerical_item_with_unit;

           profile_shift : Numerical_item_with_unit;

           number_of_teeth : Numerical_item_with_unit;

           face_width : Numerical_item_with_unit;

           tip_diameter : Numerical_item_with_unit;

           normal_attribute : Numerical_item_with_unit;

           applied_shape : Shape_element;

           internal_or_external_gear : BOOLEAN;

           module_or_diametrical_pitch : BOOLEAN;

           root_fillet_radius : 
         OPTIONAL 
         Numerical_item_with_unit;
WHERE

           WR1: applied_shape.product_definitional = TRUE;

         
         END_ENTITY;


ENTITY General_boss

           SUBTYPE OF (Boss);

           enclosed_boundary : Closed_profile;

           change_in_boundary : 
         OPTIONAL 
         angle_or_directed_taper;

         
         END_ENTITY;


ENTITY General_closed_profile

           SUBTYPE OF (Closed_profile);

           closed_profile_shape : Path_element;

         
         END_ENTITY;


ENTITY General_cutout

           SUBTYPE OF (Cutout_feature);

           boundary : Profile;

         
         END_ENTITY;


ENTITY General_open_profile

           SUBTYPE OF (Open_profile);

           enclosed_boundary : Path_element;

         
         END_ENTITY;


ENTITY General_outside_profile

           SUBTYPE OF (Profile_feature);

           boundary : Profile;

         
         END_ENTITY;


ENTITY General_path_feature_component

           SUBTYPE OF (Path_feature_component);

           sweep_path : Path_element;

         
         END_ENTITY;


ENTITY General_pattern

           SUBTYPE OF (Replicate_feature);

           feature_placement : SET[1:?] OF Axis_placement;

         
         END_ENTITY;


ENTITY General_pocket

           SUBTYPE OF (Pocket);

           volume_not_removed : SET[0:?] OF volume_select;

           boundary : Profile;

         
         END_ENTITY;


ENTITY General_pocket_bottom_condition

           SUBTYPE OF (Pocket_bottom_condition);

           floor : Face_shape_element;

           floor_radius : 
         OPTIONAL 
         Numerical_item_with_unit;

         
         END_ENTITY;


ENTITY General_profile_floor

           SUBTYPE OF (Profile_floor);

           floor : Face_shape_element;

         
         END_ENTITY;


ENTITY General_removal_volume

           SUBTYPE OF (Multi_axis_feature);

           removal_volume : SET[1:?] OF Shape_element;

         
         END_ENTITY;


ENTITY General_revolution

           SUBTYPE OF (Revolved_feature);

           outer_edge_shape : General_open_profile;

         
         END_ENTITY;


ENTITY General_rib_top_floor

           SUBTYPE OF (Rib_top_floor);

           rib_top_face : SET[1:?] OF Face_shape_element;

         
         END_ENTITY;


ENTITY General_shape_profile

           SUBTYPE OF (Shape_profile);

           profile_boundary : Profile;

         
         END_ENTITY;


ENTITY General_top_condition

           SUBTYPE OF (Boss_top_condition);

           top_face : Face_shape_element;

         
         END_ENTITY;


ENTITY Groove

           SUBTYPE OF (Revolved_feature);

           sweep : Open_profile;

         
         END_ENTITY;


ENTITY Helical_bevel_gear

           SUBTYPE OF (Bevel_gear);

           reference_helix_agle : Numerical_item_with_unit;

           left_or_right_hand_tooth : BOOLEAN;

         
         END_ENTITY;


ENTITY Helical_gear

           SUBTYPE OF (Defined_gear);

           left_or_right_hand_tooth : BOOLEAN;

           reference_helix_angle : Numerical_item_with_unit;

         
         END_ENTITY;


ENTITY Hole
         ABSTRACT

           SUBTYPE OF (Multi_axis_feature);

         
         END_ENTITY;


ENTITY Instanced_manufacturing_feature

           SUBTYPE OF (Instanced_feature);

           definition : Manufacturing_feature;

         
         END_ENTITY;


ENTITY Knurl

           ABSTRACT SUPERTYPE
         
         OF (ONEOF (Catalogue_knurl,
                                Turned_knurl))

           SUBTYPE OF (Machining_feature);

           partial_profile : 
         OPTIONAL 
         Partial_area_definition;

           applied_shape : Shape_element;
WHERE

           WR1: applied_shape.product_definitional = TRUE;

         
         END_ENTITY;


ENTITY Linear_path_feature_component

           SUBTYPE OF (Path_feature_component);

           distance : length_measure;

           direction : Direction_element;

         
         END_ENTITY;


ENTITY Linear_profile

           SUBTYPE OF (Open_profile);

           profile_length : Numerical_item_with_unit;

         
         END_ENTITY;


ENTITY Location_element

           SUBTYPE OF (Shape_element);

         
         END_ENTITY;


ENTITY Loop_slot_end_type;

         
         END_ENTITY;


ENTITY Machining_feature

           ABSTRACT SUPERTYPE
         
         OF (ONEOF (Compound_feature,
                                Gear,
                                Knurl,
                                Marking_feature,
                                Multi_axis_feature,
                                Outer_round,
                                Revolved_feature,
                                Spherical_cap,
                                Thread))

           SUBTYPE OF (Manufacturing_feature);

           placement : Axis_placement_3d;

         
         END_ENTITY;


ENTITY Manufacturing_feature

           ABSTRACT SUPERTYPE
         
         OF (ONEOF (Machining_feature,
                                Replicate_feature,
                                Transition_feature))

           SUBTYPE OF (Shape_feature_definition);

         
         END_ENTITY;


ENTITY Manufacturing_feature_group

           SUBTYPE OF (Group);

           SELF\Group.elements : SET[1:?] OF manufacturing_group_select;

         
         END_ENTITY;


ENTITY Marking_feature

           ABSTRACT SUPERTYPE
         
         OF (ONEOF (Catalogue_marking,
                                Defined_marking))

           SUBTYPE OF (Machining_feature);

           text : text;

           applied_to_shape : Shape_element;

         
         END_ENTITY;


ENTITY Multi_axis_feature

           SUPERTYPE OF 
         (ONEOF (Boss,
                       General_removal_volume,
                       Hole,
                       Planar_face,
                       Pocket,
                       Profile_feature,
                       Protrusion,
                       Rib_top,
                       Rounded_end,
                       Slot,
                       Step))

           SUBTYPE OF (Machining_feature);

           maximum_feature_limit : 
         OPTIONAL 
         Planar_element;

         
         END_ENTITY;


ENTITY Ngon_profile

           SUBTYPE OF (Closed_profile);

           diameter : Numerical_item_with_unit;

           number_of_sides : Numerical_item_with_unit;

           corner_radius : 
         OPTIONAL 
         Numerical_item_with_unit;

           circumscribed_or_across_flat : BOOLEAN;

         
         END_ENTITY;


ENTITY Open_profile

           ABSTRACT SUPERTYPE
         
         OF (ONEOF (General_open_profile,
                                Linear_profile,
                                Partial_circular_profile,
                                Rounded_u_profile,
                                Square_u_profile,
                                Tee_profile,
                                Vee_profile))

           SUBTYPE OF (Profile);

           profile_limit : 
         OPTIONAL 
         Planar_element;

         
         END_ENTITY;


ENTITY Open_slot

           SUBTYPE OF (Slot);

           course_of_travel : Path_feature_component;

           end_conditions : SET[2:2] OF Slot_end_type;

         
         END_ENTITY;


ENTITY Open_slot_end_type

           SUBTYPE OF (Slot_end_type);

         
         END_ENTITY;


ENTITY Outer_diameter

           SUBTYPE OF (Outer_round);

           feature_length : Numerical_item_with_unit;

           diameter : Numerical_item_with_unit;

           reduced_size : taper_select;

         
         END_ENTITY;


ENTITY Outer_diameter_to_shoulder

           SUBTYPE OF (Outer_round);

           feature_length : Numerical_item_with_unit;

           diameter : Numerical_item_with_unit;

           v_shape_boundary : Vee_profile;

         
         END_ENTITY;


ENTITY Outer_round

           ABSTRACT SUPERTYPE
         
         OF (ONEOF (Outer_diameter,
                                Outer_diameter_to_shoulder))

           SUBTYPE OF (Machining_feature);

         
         END_ENTITY;


ENTITY Partial_area_definition;

           maximum_length : 
         OPTIONAL 
         Numerical_item_with_unit;

           effective_length : Numerical_item_with_unit;

           placement : Axis_placement;

         
         END_ENTITY;


ENTITY Partial_circular_path_feature_component

           SUBTYPE OF (Circular_path_feature_component);

           sweep_angle : length_measure;

         
         END_ENTITY;


ENTITY Partial_circular_profile

           SUBTYPE OF (Open_profile);

           sweep_angle : Numerical_item_with_unit;

           radius : Numerical_item_with_unit;

         
         END_ENTITY;


ENTITY Partial_circular_shape_profile

           SUBTYPE OF (Shape_profile);

           open_boundary : Partial_circular_profile;

         
         END_ENTITY;


ENTITY Path_element

           SUBTYPE OF (Shape_element);

         
         END_ENTITY;


ENTITY Path_feature_component

           ABSTRACT SUPERTYPE
         
         OF (ONEOF (Circular_path_feature_component,
                                General_path_feature_component,
                                Linear_path_feature_component))

           SUBTYPE OF (Shape_element);

           placement : Axis_placement;

         
         END_ENTITY;


ENTITY Planar_element

           SUBTYPE OF (Shape_element);

           normal : Direction_element;

           location : Location_element;

         
         END_ENTITY;


ENTITY Planar_face

           SUBTYPE OF (Multi_axis_feature);

           removal_boundary : Linear_profile;

           course_of_travel : Linear_path_feature_component;

           face_boundary : 
         OPTIONAL 
         Closed_profile;

           removal_direction : Direction_element;

           volume_not_removed : SET[0:?] OF volume_select;

           removal_depth : 
         OPTIONAL 
         Numerical_item_with_unit;

         
         END_ENTITY;


ENTITY Planar_pocket_bottom_condition

           SUBTYPE OF (Pocket_bottom_condition);

           floor_normal : Direction_element;

           floor_location : Location_element;

           floor_radius : 
         OPTIONAL 
         Numerical_item_with_unit;

         
         END_ENTITY;


ENTITY Planar_profile_floor

           SUBTYPE OF (Profile_floor);

           floor : Planar_element;

         
         END_ENTITY;


ENTITY Planar_rib_top_floor

           SUBTYPE OF (Rib_top_floor);

           floor_face : Planar_element;

           boundary : Closed_profile;

         
         END_ENTITY;


ENTITY Planar_top_condition

           SUBTYPE OF (Boss_top_condition);

           top_normal : Direction_element;

           top_location : Location_element;

         
         END_ENTITY;


ENTITY Pocket

           ABSTRACT SUPERTYPE
         
         OF (ONEOF (Cutout_feature,
                                General_pocket,
                                Recess,
                                Rectangular_closed_pocket,
                                Rectangular_open_pocket))

           SUBTYPE OF (Multi_axis_feature);

           base_radius : Numerical_item_with_unit;

           change_in_boundary : 
         OPTIONAL 
         LIST[1:?] OF angle_or_directed_taper;

           bottom_condition : pocket_bottom_condition_select;

           pocket_depth : Linear_path_feature_component;

         
         END_ENTITY;


ENTITY Pocket_bottom_condition

           ABSTRACT SUPERTYPE
         
         OF (ONEOF (General_pocket_bottom_condition,
                                Planar_pocket_bottom_condition));

           start_or_end : BOOLEAN;

         
         END_ENTITY;


ENTITY Profile

           ABSTRACT SUPERTYPE
         
         OF (ONEOF (Closed_profile,
                                Open_profile));

         
         END_ENTITY;


ENTITY Profile_feature

           ABSTRACT SUPERTYPE
         
         OF (ONEOF (General_outside_profile,
                                Shape_profile))

           SUBTYPE OF (Multi_axis_feature);

           profile_swept_shape : Linear_path_feature_component;

         
         END_ENTITY;


ENTITY Profile_floor

           ABSTRACT SUPERTYPE
         
         OF (ONEOF (General_profile_floor,
                                Planar_profile_floor));

           floor_radius : 
         OPTIONAL 
         Numerical_item_with_unit;

           start_or_end : BOOLEAN;

         
         END_ENTITY;


ENTITY Protrusion

           SUBTYPE OF (Multi_axis_feature);

           shape_volume : SET[1:?] OF Shape_element;
WHERE

           WR1: SIZEOF(QUERY(sv <* shape_volume | NOT (sv.product_definitional = TRUE))) = 0;

         
         END_ENTITY;


ENTITY Radiused_slot_end_type

           SUBTYPE OF (Slot_end_type);

         
         END_ENTITY;


ENTITY Recess

           SUBTYPE OF (Pocket);

           SELF\Pocket.bottom_condition : Pocket_bottom_condition;

           volume_not_removed : SET[0:?] OF volume_select;

           fillet_boundary : Profile;

         
         END_ENTITY;


ENTITY Rectangular_boss

           SUBTYPE OF (Boss);

           rectangular_profile : Rectangular_closed_profile;

           change_in_boundary : 
         OPTIONAL 
         angle_or_directed_taper;

         
         END_ENTITY;


ENTITY Rectangular_closed_pocket

           SUBTYPE OF (Pocket);

           volume_not_removed : SET[0:?] OF volume_select;

           closed_boundary : Rectangular_closed_profile;

         
         END_ENTITY;


ENTITY Rectangular_closed_profile

           SUBTYPE OF (Closed_profile);

           profile_width : Numerical_item_with_unit;

           profile_length : Numerical_item_with_unit;

           corner_radius : 
         OPTIONAL 
         Numerical_item_with_unit;

         
         END_ENTITY;


ENTITY Rectangular_closed_shape_profile

           SUBTYPE OF (Shape_profile);

           closed_boundary : Rectangular_closed_profile;

         
         END_ENTITY;


ENTITY Rectangular_offset_pattern;

           offset_direction : Direction_element;

           offset_distance : Numerical_item_with_unit;

           column_index : INTEGER;

           row_index : INTEGER;
INVERSE

           relocated_base_feature_for : SET[1:?] OF Rectangular_pattern FOR relocated_base_feature;

         
         END_ENTITY;


ENTITY Rectangular_omit_pattern;

           row_index : INTEGER;

           column_index : INTEGER;
INVERSE

           missing_base_feature_for : SET[1:?] OF Rectangular_pattern FOR missing_base_feature;

         
         END_ENTITY;


ENTITY Rectangular_open_pocket

           SUBTYPE OF (Pocket);

           volume_not_removed : SET[0:?] OF volume_select;

           open_boundary : Square_u_profile;

         
         END_ENTITY;


ENTITY Rectangular_open_shape_profile

           SUBTYPE OF (Shape_profile);

           open_boundary : Square_u_profile;

         
         END_ENTITY;


ENTITY Rectangular_pattern

           SUBTYPE OF (Replicate_feature);

           relocated_base_feature : SET[0:?] OF Rectangular_offset_pattern;

           missing_base_feature : SET[0:?] OF Rectangular_omit_pattern;

           column_layout_direction : Direction_element;

           row_spacing : Numerical_item_with_unit;

           rows : INTEGER;

           row_layout_direction : Direction_element;

           columns : INTEGER;

           column_spacing : Numerical_item_with_unit;

         
         END_ENTITY;


ENTITY Replicate_base;

           base_feature : replicate_base_select;

         
         END_ENTITY;


ENTITY Replicate_feature

           ABSTRACT SUPERTYPE
         
         OF (ONEOF (Circular_pattern,
                                General_pattern,
                                Rectangular_pattern))

           SUBTYPE OF (Manufacturing_feature);

           placement : Axis_placement;

           replicate_feature_base : Replicate_base;

         
         END_ENTITY;


ENTITY Revolved_feature

           ABSTRACT SUPERTYPE
         
         OF (ONEOF (General_revolution,
                                Groove,
                                Revolved_flat,
                                Revolved_round))

           SUBTYPE OF (Machining_feature);

           radius : Numerical_item_with_unit;

           material_side : Direction_element;

         
         END_ENTITY;


ENTITY Revolved_flat

           SUBTYPE OF (Revolved_feature);

           flat_edge_shape : Linear_profile;

         
         END_ENTITY;


ENTITY Revolved_round

           SUBTYPE OF (Revolved_feature);

           rounded_edge_shape : Partial_circular_profile;

         
         END_ENTITY;


ENTITY Rib_top

           SUBTYPE OF (Multi_axis_feature);

           removal_direction : Direction;

           floor_condition : Rib_top_floor;

         
         END_ENTITY;


ENTITY Rib_top_floor

           ABSTRACT SUPERTYPE
         
         OF (ONEOF (General_rib_top_floor,
                                Planar_rib_top_floor));

         
         END_ENTITY;


ENTITY Round_hole

           SUBTYPE OF (Hole);

           hole_depth : Linear_path_feature_component;

           diameter : Circular_closed_profile;

           change_in_diameter : 
         OPTIONAL 
         taper_select;

           bottom_condition : hole_bottom_condition_select;
WHERE

           WR1: SIZEOF(['MACHINING_FEATURES_ARM.COUNTERSUNK_HOLE',
            'MACHINING_FEATURES_ARM.COUNTERBORE_HOLE'] * TYPEOF(SELF)) = 0;

         
         END_ENTITY;


ENTITY Rounded_end

           SUBTYPE OF (Multi_axis_feature);

           partial_circular_boundary : Partial_circular_profile;

           course_of_travel : Linear_path_feature_component;

         
         END_ENTITY;


ENTITY Rounded_u_profile

           SUBTYPE OF (Open_profile);

           width : Numerical_item_with_unit;

           depth : 
         OPTIONAL 
         Numerical_item_with_unit;

         
         END_ENTITY;


ENTITY Second_chamfer_offset

           SUBTYPE OF (Second_chamfer_parameter);

           offset_amount : Numerical_item_with_unit;

         
         END_ENTITY;


ENTITY Second_chamfer_parameter

           SUPERTYPE OF 
         (ONEOF (Chamfer_angle,
                       Second_chamfer_offset));

           second_face : Face_shape_element;

         
         END_ENTITY;


ENTITY Shape_profile

           ABSTRACT SUPERTYPE
         
         OF (ONEOF (Circular_closed_shape_profile,
                                General_shape_profile,
                                Partial_circular_shape_profile,
                                Rectangular_closed_shape_profile,
                                Rectangular_open_shape_profile))

           SUBTYPE OF (Profile_feature);

           floor_condition : profile_select;

           removal_direction : Direction_element;

         
         END_ENTITY;


ENTITY Slot

           ABSTRACT SUPERTYPE
         
         OF (ONEOF (Closed_slot,
                                Open_slot))

           SUBTYPE OF (Multi_axis_feature);

         
         END_ENTITY;


ENTITY Slot_end_type

           ABSTRACT SUPERTYPE
         
         OF (ONEOF (Flat_slot_end_type,
                                Open_slot_end_type,
                                Radiused_slot_end_type,
                                Woodruff_slot_end_type));

           first_or_second : BOOLEAN;

         
         END_ENTITY;


ENTITY Spherical_cap

           SUBTYPE OF (Machining_feature);

           internal_angle : Numerical_item_with_unit;

           radius : Numerical_item_with_unit;

         
         END_ENTITY;


ENTITY Spherical_hole_bottom

           SUBTYPE OF (Blind_bottom_condition);

           radius : Numerical_item_with_unit;

         
         END_ENTITY;


ENTITY Spur_gear

           SUBTYPE OF (Defined_gear);

         
         END_ENTITY;


ENTITY Square_u_profile

           SUBTYPE OF (Open_profile);

           first_angle : Numerical_item_with_unit;

           second_angle : Numerical_item_with_unit;

           first_radius : 
         OPTIONAL 
         Numerical_item_with_unit;

           second_radius : 
         OPTIONAL 
         Numerical_item_with_unit;

           depth : Numerical_item_with_unit;

           width : 
         OPTIONAL 
         Numerical_item_with_unit;

         
         END_ENTITY;


ENTITY Step

           SUBTYPE OF (Multi_axis_feature);

           removal_boundary : Vee_profile;

           course_of_travel : Linear_path_feature_component;

           volume_not_removed : SET[0:?] OF volume_select;

         
         END_ENTITY;


ENTITY Straight_bevel_gear

           SUBTYPE OF (Bevel_gear);

         
         END_ENTITY;


ENTITY Straight_knurl

           SUBTYPE OF (Turned_knurl);

         
         END_ENTITY;


ENTITY Tee_profile

           SUBTYPE OF (Open_profile);

           first_angle : Numerical_item_with_unit;

           second_angle : Numerical_item_with_unit;

           first_offset : Numerical_item_with_unit;

           second_offset : Numerical_item_with_unit;

           depth : Numerical_item_with_unit;

           radius : 
         OPTIONAL 
         Numerical_item_with_unit;

           width : Numerical_item_with_unit;

           cross_bar_width : Numerical_item_with_unit;

           cross_bar_depth : Numerical_item_with_unit;

         
         END_ENTITY;


ENTITY Thread

           ABSTRACT SUPERTYPE
         
         OF (ONEOF (Catalogue_thread,
                                Defined_thread))

           SUBTYPE OF (Machining_feature);

           partial_profile : Partial_area_definition;

           runout : 
         OPTIONAL 
         Thread_runout;

           fit_class : text;

           form : text;

           number_of_threads : 
         OPTIONAL 
         Numerical_item_with_unit;

           hand : thread_hand;

           side : thread_side;

           qualifier : text;

           nominal_size : 
         OPTIONAL 
         Numerical_item_with_unit;

           applied_shape : Shape_element;

           fit_class_2 : 
         OPTIONAL 
         text;
WHERE

           WR1: applied_shape.product_definitional = TRUE;

         
         END_ENTITY;


ENTITY Thread_runout;

           length_of_runout : Numerical_item_with_unit;

           pitch_or_dimension : BOOLEAN;

           included_or_extra : BOOLEAN;

         
         END_ENTITY;


ENTITY Through_bottom_condition;

         
         END_ENTITY;


ENTITY Through_pocket_bottom_condition;

         
         END_ENTITY;


ENTITY Through_profile_floor;

         
         END_ENTITY;


ENTITY Transition_feature

           SUPERTYPE OF 
         (ONEOF (Chamfer,
                       Edge_round,
                       Fillet))

           SUBTYPE OF (Manufacturing_feature);

         
         END_ENTITY;


ENTITY Turned_knurl

           ABSTRACT SUPERTYPE
         
         OF (ONEOF (Diagonal_knurl,
                                Diamond_knurl,
                                Straight_knurl))

           SUBTYPE OF (Knurl);

           nominal_diameter : Numerical_item_with_unit;

           diametrical_pitch : Numerical_item_with_unit;

           root_fillet : 
         OPTIONAL 
         Numerical_item_with_unit;

           number_of_teeth : 
         OPTIONAL 
         Numerical_item_with_unit;

           tooth_depth : 
         OPTIONAL 
         Numerical_item_with_unit;

           major_diameter : Numerical_item_with_unit;

         
         END_ENTITY;


ENTITY Vee_profile

           SUBTYPE OF (Open_profile);

           profile_radius : 
         OPTIONAL 
         Numerical_item_with_unit;

           profile_angle : Numerical_item_with_unit;

           tilt_angle : Numerical_item_with_unit;

           first_length : 
         OPTIONAL 
         Numerical_item_with_unit;

           second_length : 
         OPTIONAL 
         Numerical_item_with_unit;

         
         END_ENTITY;


ENTITY Woodruff_slot_end_type

           SUBTYPE OF (Slot_end_type);

           radius : Numerical_item_with_unit;

         
         END_ENTITY;


SUBTYPE_CONSTRAINT mf_shape_element_subtypes FOR Shape_element;

           ONEOF (Path_element,
         Planar_element,
         Direction_element,
         Location_element,
         Face_shape_element);
      
         END_SUBTYPE_CONSTRAINT;



         END_SCHEMA;  -- Machining_features_arm