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GB/T 24734.4-2009: Technical product documentation -- Digital product definition data practices -- Part 4: Requirements for design model
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 24734.4-2009 | English | 149 |
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Technical product documentation -- Digital product definition data practices -- Part 4: Requirements for design model
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GB/T 24734.4-2009
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Basic data | Standard ID | GB/T 24734.4-2009 (GB/T24734.4-2009) | | Description (Translated English) | Technical product documentation -- Digital product definition data practices -- Part 4: Requirements for design model | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J04 | | Classification of International Standard | 01.100.01 | | Word Count Estimation | 5,546 | | Date of Issue | 2009-11-30 | | Date of Implementation | 2010-09-01 | | Quoted Standard | GB/T 4458.4-2003; GB/T 24734.1-2009; GB/T 24734.8-2009 | | Adopted Standard | ISO 16792-2006, NEQ | | Regulation (derived from) | National Standard Approval Announcement 2009 No.14 (Total No.154) | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the geometrical ratio of three groups of CAD design model, accuracy, model of integrity, assembly model integrity, installation model integrity requirements. This section applies to the digital product definition of the relevant application, development, services and research. | GB/T 24734.4-2009: Technical product documentation -- Digital product definition data practices -- Part 4: Requirements for design model
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Technical product documentation Digitai product definition data practices Part 4. Requirements for design model
ICS 01.100.01
J04
National Standards of People's Republic of China
Technical product documentation
Digital product definition data practices
Part 4. Requirements for design model
(ISO 16792.2006, Technicalproductdocumentation-
Digitalproductdefinitiondatapractices, NEQ)
Posted 2009-11-30 2010-09-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
GB/T 24734 "Technical product documentation - Digital product definition data practices" is divided into 11 parts.
--- Part 1. Terms and definitions;
--- Part 2. Data set identification and control;
--- Part 3. Data collection requirements;
--- Part 4. Requirements for design model;
--- Part 5. General requirements for product definition data;
--- Part 6. Geometric Modeling feature specification;
--- Part 7. Comment claim;
--- Part 8. Numerical model and size requirements;
--- Part 9. Application of reference;
--- Part 10. Application of geometric tolerances;
--- Part 11. model geometry detail level.
This section GB/T 24734 "Technical product documentation - Digital product definition data practices" in Section 4, gives a three-dimensional CAD
Geometric ratio design model, the accuracy, completeness model, assembly model integrity, installation model integrity and other requirements.
This section is based on the ISO 16792.2006 "Technical product documentation - Digital product definition data practices" in Chapter 6, "to design model
NEQ)
3 Terms and Definitions
Terms and definitions GB/T 24734.1-2009 established in this section apply to GB/T 24734 of.
4 General requirements
Design model expression product under conditions of a specific size desired geometry, e.g., the particular condition dimensions. minimum size, maximum size
Inch, average size. Conditions specific dimensions should be indicated in the general comments.
5 ratio and geometric precision
Design model should be modeled in accordance with the ratio of 1.
Design model is a numerical precision workpiece machining accuracy required to ensure that the workpiece meet the design requirements. Accuracy of the model should be designed
In the data set shows that the model can not exceed the number of decimal places marked precision design model.
NOTE. If scale model changes may cause dimensions and tolerances due to rounding and change accordingly, see GB/T 24734.8-2009 in
4.2 content.
6 model integrity
In order to ensure the integrity of the component definition, the model should include geometry, attributes, and label information. Complete model should be established to form a package
Including geometry, attributes and comments, including a complete product definition. The following list is not complete model should meet the requirements of the definition.
--- Model is completely non-represented should be indicated, such as. symmetric parts of the model.
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