GB/T 39253-2020 English PDF

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GB/T 39253-2020: (Additive manufacturing process specification for directed energy deposition of metallic materials)
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 39253-2020	279	Add to Cart	3 days	(Additive manufacturing process specification for directed energy deposition of metallic materials)	Valid

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Basic data

Standard ID: GB/T 39253-2020 (GB/T39253-2020)
Description (Translated English): (Additive manufacturing process specification for directed energy deposition of metallic materials)
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J39
Word Count Estimation: 15,151
Date of Issue: 2020-11-19
Date of Implementation: 2021-06-01
Regulation (derived from): National Standard Announcement No. 26 of 2020
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 39253-2020: (Additive manufacturing process specification for directed energy deposition of metallic materials)

---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 specification for directed energy deposition of metallic materials) ICS 25.030 J39 National Standards of People's Republic of China Additive manufacturing Technical specification for directed energy deposition of metallic materials 2020-11-19 released 2021-06-01 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. Please note that certain contents of this document may involve patents. The issuing agency of this document is not responsible for identifying these patents. This standard was proposed by China Machinery Industry Federation. This standard is under the jurisdiction of the National Standardization Technical Committee for Additive Manufacturing (SAC/TC562). Drafting organizations of this standard. Northwestern Polytechnical University, Beihang University, Xi'an Aerospace Engine Co., Ltd., China Machinery Productivity Promotion Center Xin, Nanjing Zhongke Yuchen Laser Technology Co., Ltd., Huazhong University of Science and Technology, China Aviation Development Beijing Institute of Aeronautical Materials, China Aviation Technology Research Institute, Capital Aerospace Machinery Co., Ltd., Central Academy of Mechanical Sciences Group Co., Ltd., Wuxi Product Quality Supervision and Inspection Institute, Zhuhai Tian Weifeima Printing Consumables Co., Ltd., Siemens (China) Co., Ltd., Dalian University of Technology, Qingdao Haier Intelligent Technology R&D Co., Ltd., Beijing Jing Yuding Additive Manufacturing Research Institute Co., Ltd., Beijing Remote Sensing Equipment Research Institute, Zhengzhou Machinery Research Institute Co., Ltd., Harbin Fuvold Multidimensional Intelligent Equipment Co., Ltd. The main drafters of this standard. Lin Xin, Liu Dong, Yu Jun, Yang Huanqing, Xue Lian, Brilliance, Li Runsheng, Liang Jiayu, Li Xiaofei, Luo Zhiwei, Shan Zhongde, Gao Yintao, Zhang Tao, Li Changpeng, Wu Dongjiang, Liu Yonghui, Qian Tingting, Li Haibin, Ming Xianliang, Gao Zhiqi, Hu Ligang. Additive manufacturing Technical specification for directed energy deposition of metallic materials

1 Scope

This standard specifies the category, general requirements, process, quality inspection and delivery of technical data for the directed energy deposition process of metallic materials. This standard applies to the directional energy deposition process of metal materials using laser, electron beam, electric arc, and plasma beam as energy sources.

2 Normative references

The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this document. For undated references, the latest version (including all amendments) applies to this document. GB 8702 Electromagnetic environment control limit GB 9448 welding and cutting safety GB/T 11651 Specification for Selection of Personal Protective Equipment GB 15577 Dust explosion-proof safety regulations GB/T 15605 Guidelines for Dust Explosion Pressure Relief GB 25493 Technical requirements for safety protection of rapid prototyping machine tools using laser as processing energy GB/T 35022 Main characteristics and test methods of additive manufacturing parts and powder raw materials GB/T 35351 Terminology for Additive Manufacturing GB/T 37698 Design requirements, guidelines and recommendations for additive manufacturing GB/T 39247 Specification for heat treatment process of additive manufacturing metal parts GB/T 39254 General Rules for the Evaluation of Mechanical Properties of Additive Manufacturing Metal Parts GB 50019 Design Code for Heating, Ventilation and Air Conditioning of Industrial Buildings AQ4273 Safety technical specification for dust removal system for dust explosion hazardous locations

3 Terms and definitions

The following terms and definitions defined in GB/T 35351 apply to this document. 3.1 Sedimentary layer In the working state, the raw material melts under the action of the directional energy source, and the solidified layer is deposited on the working surface. 3.2 Sedimentary channel In the working state, the area where the convergent point of the raw material and the energy beam is deposited during a single non-folding movement. 3.3 Deposition path In the working state, the movement path of the convergence point of the raw material and the energy beam. 3.4 Overlap rate Under normal process conditions, the ratio of the overlapping width of a part of adjacent deposition channels to the width of a single deposition channel. ......

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