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GB/T 35021-2018: Additive manufacturing -- Process categories and feedstock
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| GB/T 35021-2018 | English | 279 |
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Additive manufacturing -- Process categories and feedstock
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GB/T 35021-2018
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Basic data | Standard ID | GB/T 35021-2018 (GB/T35021-2018) | | Description (Translated English) | Additive manufacturing -- Process categories and feedstock | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J04 | | Classification of International Standard | 25.030 | | Word Count Estimation | 14,121 | | Date of Issue | 2018-05-14 | | Date of Implementation | 2019-03-01 | | Regulation (derived from) | National Standards Announcement No. 6 of 2018 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 35021-2018: Additive manufacturing -- Process categories and feedstock---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
(Additive Manufacturing Process Classification and Raw Materials)
ICS 25.030
J04
National Standards of People's Republic of China
Additive manufacturing process classification and raw materials
(ISO 17296-2.2015, Additivemanufacturing-Generalprinciples-
Part 2. Overviewofprocesscategoriesandfeedstock, MOD)
Published on.2018-05-14
2019-03-01 implementation
State market supervision and administration
China National Standardization Administration issued
Content
Foreword I
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 part type and classification 1
4.1 Overview 1
4.2 Part Classification 1
5 Process Chain 1
6 Basic Process Classification 2
6.1 Overview 2
6.2 Stereolithography 2
6.3 Material Spray 3
6.4 Binder Spray 3
6.5 Powder bed melting 4
6.6 Material extrusion 5
6.7 Directional Energy Deposition 5
6.8 Thin metal laminate 6
7 Composite Additive Manufacturing 8
Appendix A (informative) Structural changes in this standard compared to ISO 17296-2.2015 10
Appendix B (informative) Technical differences between this standard and ISO 17296-2.2015 and their causes 11
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard uses the redrafting method to modify the use of ISO 17296-2.2015 "Additive Manufacturing General Principles Part 2. Process Classification and Raw Materials
material".
Compared with ISO 17296-2.2015, this standard has more structural adjustments. Appendix A lists this standard and ISO 17296-2.
2015 chapter number comparison list.
There are technical differences between this standard and ISO 17296-2.2015. Appendix B gives the corresponding technical differences and their causes.
Watch list.
Please note that some of the contents of this document may involve patents. The issuing organization of this document is not responsible for identifying these patents.
This standard was proposed by the China Machinery Industry Federation.
This standard is under the jurisdiction of the National Additive Manufacturing Standardization Technical Committee (SAC/TC562).
This standard was drafted. Qingdao Haier Intelligent Technology Research and Development Co., Ltd., Mechanical Science Research Institute, Wuhan Tianyi Intelligent Manufacturing Co., Ltd.
Division, China Machine Productivity Promotion Center, Northwestern Polytechnical University, Zhejiang Yatong Welding Materials Co., Ltd., Huazhong University of Science and Technology, Xi'an Jiaotong University, Shenyang Fei
Machine Industry (Group) Co., Ltd., Northwest Nonferrous Metals Research Institute, Nanjing Normal University.
The main drafters of this standard. Liu Yonghui, Shan Zhongde, Zhang Haiou, Li Haibin, Lin Xin, Xue Lian, Liu Ping, Song Bo, Li Dichen, Huang Weidong,
Tian Xiaoyong, Du Baorui, Wang Jian, Yang Jiquan.
Additive manufacturing process classification and raw materials
1 Scope
This standard specifies the basic principles and classification of additive manufacturing processes. Due to the rapid development of new technologies, this standard only gives existing additives.
An overview of the classification of manufacturing processes. This standard describes how different additive manufacturing processes use different raw materials for product manufacturing and different processes.
The types of raw materials used are described.
This standard applies to research, testing, testing and production applications in the field of additive manufacturing.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 35351 Additive Manufacturing Terminology
3 Terms and definitions
The terms and definitions defined in GB/T 35351 apply to this document.
4 part type and classification
4.1 Overview
Parts manufactured by additive manufacturing can be used as prototypes and products. The final stage (link) of the product parts should reflect the designer's
Expected requirements. Whether it is a prototype or a product, you should choose different types depending on the type of part, the application area, and the cost and delivery cycle.
Process and raw material types. The design of the part and the specifications to be referenced are determined by the designer. The part manufacturer should consult closely with the user, based on
The user's comments and requirements select the appropriate manufacturing plan.
4.2 Parts Classification
The quality level of the part should be divided from the highest level to the lowest according to the quality level requirements and traceability. Specific plan
Sub-methods and requirements will be given in the relevant raw materials, processes and application standards.
5 Process Chain
The additive manufacturing process chain is characterized by direct manufacturing based on the 3D CAD data of the parts, without the need for intermediate processes such as mold making.
The additive manufacturing process chain can be divided into two categories.
--- Single-step process. A single-step operation to complete the additive manufacturing process of parts or physical manufacturing, can get the basic expectations of the product at the same time
What shape and basic performance;
--- Multi-step process. The additive manufacturing process for parts or physical manufacturing is completed in two or more steps. Usually the first step is
To the basic geometry of the part or object, through subsequent operations to achieve the expected basic performance.
Note. Depending on the final application requirements, the above two processes may require one or more post-treatments to achieve the final performance requirements of the part. These ones
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