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GB/T 25632-2024 English PDF

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GB/T 25632-2024: Data interface format for software of additive manufacturing machines
Status: Valid

GB/T 25632: Evolution and historical versions

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
GB/T 25632-2024	English	359	Add to Cart	4 days [Need to translate]	Data interface format for software of additive manufacturing machines	Valid	GB/T 25632-2024
GB/T 25632-2010	English	479	Add to Cart	3 days [Need to translate]	Data interface for software of rapid prototyping	Obsolete	GB/T 25632-2010

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Basic data

Standard ID	GB/T 25632-2024 (GB/T25632-2024)
Description (Translated English)	Data interface format for software of additive manufacturing machines
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	J59
Classification of International Standard	25.080.99; 25.030
Word Count Estimation	18,163
Date of Issue	2024-04-25
Date of Implementation	2024-11-01
Older Standard (superseded by this standard)	GB/T 25632-2010
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration

GB/T 25632-2024: Data interface format for software of additive manufacturing machines

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ICS 25:080:99;25:030 CCSJ59 National Standards of People's Republic of China Replace GB/T 25632-2010 Additive Manufacturing Machine Tool Software Data Interface Format Released on 2024-04-25 2024-11-01 Implementation State Administration for Market Regulation The National Standardization Administration issued

Preface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 3D part geometry information transfer file (STL file) 2 4:1 Data File 2 4:2 Basic Information Transfer File Format 2 4:3 Basic format optional extension method 3 5 2D layer process information transfer file (CLI format) 3 5:1 Data File 3 5:2 Basic information transfer file format 3 Appendix A (Informative) ASCII Code STL File Example 9 Appendix B (Informative) ASCII Code CLI File Example 10 Table 1 ASCII code CLI file common command function comparison table 4 Table 2 Data format 7 Table 3 Comparison table of geometry commands in binary coded CLI files 7

Foreword

This document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for standardization work Part 1: Structure and drafting rules for standardization documents" Drafting: This document replaces GB/T 25632-2010 "Rapid Prototyping Software Data Interface": Compared with GB/T 25632-2010, except for structural adjustment In addition to the integration and editorial changes, the main technical changes are as follows: --- Added the terms and definitions of "additive manufacturing machine tool" and "triangular patch" (see 3:1, 3:3); --- Deleted the terms and definitions of "rapid prototyping software", "data file" and "data structure" (see 3:1, 3:3 and 3:4 of the:2010 edition); ---Change the term "data interface" to "data interface format", "polyline" to "polyline", and "contour line" to "contour line": "Outline", "grid line" is changed to "fill line", and its definition is changed (see 3:2, 3:5, 3:6, 3:7,:2010 edition 3:2, 3:7, 3:6, 3:8); ---Change "input file of rapid prototyping software data interface" to "3D part geometry information transfer file (STL file)" (see Chapter 4, Chapter 4 of the:2010 edition); --- Added "optional extension of basic format" (see 4:3); --- Change "output file of rapid prototyping software data interface" to "two-dimensional layer process information transfer file (CLI file)" (see Chapter 5, Chapter 5 of the:2010 edition); --- Deleted the grammatical content about "number" (see 5:2:3 of the:2010 edition); ---Change "ASCII language description" to "ASCII code CLI file language description" and add Added the "Start Geometry Feature" command (see 5:2:1:5, 5:3 of the:2010 edition); --- Added the "geometry feature start" command to the geometry command comparison table of binary encoded CLI files (see 5:2:2:4): Please note that some of the contents of this document may involve patents: The issuing organization of this document does not assume the responsibility for identifying patents: This document was proposed by the China Machinery Industry Federation: This document was prepared by the National Technical Committee for Standardization of Special Processing Machine Tools (SAC/TC161) and the National Technical Committee for Standardization of Additive Manufacturing (SAC/TC562) jointly under the jurisdiction of the Commission: This document was drafted by: Beijing Yijia 3D Technology Co:, Ltd:, Hunan Huashu High-Tech Co:, Ltd:, and SINOMACH Intelligent Technology Co:, Ltd: Company, Suzhou Electric Machine Tool Research Institute Co:, Ltd:, Xi'an National Institute of Additive Manufacturing Co:, Ltd:, Beijing Qingyan Zhishu Technology Co:, Ltd: Suzhou Tianhong Laser Co:, Ltd:, Guangdong Academy of Sciences Intelligent Manufacturing Institute, Suzhou Zhongrui Zhichuang 3D Technology Co:, Ltd:, China Machinery Research Institute of Standards and Technology (Beijing) Co:, Ltd:, Tsinghua University, Zhejiang University of Technology, Xi'an Jiaotong University, Shenzhen Polytechnic, Nanjing Chenglian Laser Technology Co:, Ltd:, Hangzhou Aochuang Photonics Technology Co:, Ltd:, China National Heavy Duty Truck Group Co:, Ltd:, Shanghai Mange Technology Co:, Ltd:, Suzhou Jianxiong Vocational and Technical College: The main drafters of this document are: Chen Xinxin, Wu Pengyue, Gu Xiaofeng, Ji Xuecheng, Wang Ying, Guo Wenhua, Zhao Dechen, Jin Chaolong, Bi Guijun, Zhou Hongzhi, Xue Lian, Lin Feng, Yao Jianhua, Cao Yi, Liao Qianghua, Guo Donghai, Wang Lin, Qiu Hangkai, Zhang Dianping, Zhang Zhaoxin, and Zheng Guangcheng: This document was first published in December:2010 and this is the first revision: Additive Manufacturing Machine Tool Software Data Interface Format

1 Scope

This document specifies the three-dimensional part geometry information transfer files (STL files) and two-dimensional layer files used by the additive manufacturing machine tool supporting software: The data interface format and technical requirements of process information transfer files (CLI files): This document is applicable to the writing of supporting software for additive manufacturing machine tools:

2 Normative references

The contents of the following documents constitute the essential clauses of this document through normative references in this document: For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document: GB/T 14896:7 Terminology of special processing machine tools Part 7: Additive manufacturing machine tools GB/T 35351 Terminology for Additive Manufacturing

3 Terms and definitions

The terms and definitions defined in GB/T 14896:7, GB/T 35351 and the following apply to this document: 3:1 A machine tool that manufactures parts using the layer-by-layer discrete/stacking principle: 3:2 Data interface format datainterfaceformat Unified electronic file writing rules used to transfer data and exchange information between different computer software systems: 3:3 triangularfacets In the STL format 3D model, the minimum unit: 3:4 layer The spatial region between two adjacent sections, defined by the thickness of the region and a series of outlines and fill lines: 3:5 Polyline A line type formed by connecting a series of straight line segments end to end on a plane: 3:6 contour A polyline that specifies the boundary of an entity within a layer at a certain height: Note: Usually divided into inner contour and outer contour, each polyline is closed and does not intersect with other polylines or self-intersection:

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