ISO 10303-214:2010(E)
A Tool_part_relationship is a relationship between two Design_discipline_item_definition objects. It establishes a relationship between an item (related) and a tool (relating) that is used to produce the item.
NOTE This relationship is, by default, valid only in the application contexts that are relevant for both related Design_discipline_item_definition objects.
A Tool_part_relationship is a type of Item_definition_relationship.
The data associated with a Tool_part_relationship are the following:
The placement specifies the relative position of the Item representing the part with respect to the local coordinate system of the Item representing the tool.
In the case where the placement is realized by a Template_instance, the scale factor of that Template_instance shall be omitted or set to 1.
See tool_part_relationship to geometric_model_relationship_with_transformation and tool_part_relationship to template_instance for the application assertions.
The placement need not be specified for a particular Tool_part_relationship.
If present, there shall be exactly one object that defines the placement for a Tool_part_relationship.
The used_technology_description specifies the technology that is used to manufacture the part using this tool and, possibly, the reasons for the use of a particular technology.
See tool_part_relationship to multi_language_string for the application assertion.
The used_technology_description need not be specified for a particular Tool_part_relationship.
If present, there shall be exactly one object that defines the used_technology_description for a Tool_part_relationship.
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