T/WLJC 109-2022 Basic Regulations for Dimensional Annotation in 3D Design of Machine Tool Equipment Products
T/WLJC 109-2022
Basic Information
Scope
Scope: This standard specifies the basic requirements for dimension annotation in three-dimensional drawings, centralized dimension annotation, and basic rules for simplified dimension representation. It applies to the basic rules for dimension annotation when displaying or outputting three-dimensional drawings of mechanical products in three-dimensional design views or axonometric views on the screen; Main technical content: 1. Scope 2. Normative reference documents 3. Terms and definitions 4. Basic rules for dimension annotation: basic requirements, dimension lines, dimension lines, dimension numbers, symbols and abbreviations for dimension annotation 5. Basic rules for simplified dimension representation: simplification principles, basic requirements