GB/T 39253-2020Additive manufacturing—Specification for directed energy deposition of metal materials (English PDF)
增材制造 金属材料定向能量沉积工艺规范
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
November 19, 2020
Implementation date
June 1, 2021
Scope
GB/T 39253-2020 is the English-translated version of 增材制造 金属材料定向能量沉积工艺规范.
GB/T 39253-2020 is the Chinese standard "Additive manufacturing—Specification for directed energy deposition of metal materials". Its scope clause reads: 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. Its clauses include terms and definitions.
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Document preview — GB/T 39253-2020
National Standard of the People's Republic of China
- ICS
- 25.030
- Classification
- J 39
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 3.1 Sedimentary layer
- 3.2 Sedimentary channel
- 3.3 Deposition path
- 3.4 Overlap rate
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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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Cited by
- GB/T 47005-2026Additive manufacturing - Specification for titanium alloy components made by laser directed energy deposition
- GB/T 42621-2023Additive manufacturing—Specification for hybrid additive manufacturing with directed energy deposition and milling process
- GB/T 43615-2023Additive manufacturing—Ultrasonic testing for metal parts produced by directed energy deposition
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