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GB/T 46083-2025: Additive manufacturing - Technical specification for multi-laser beam powder bed fusion equipment
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 46083-2025 | English | 279 |
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Additive manufacturing - Technical specification for multi-laser beam powder bed fusion equipment
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GB/T 46083-2025
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Basic data
| Standard ID | GB/T 46083-2025 (GB/T46083-2025) |
| Description (Translated English) | Additive manufacturing - Technical specification for multi-laser beam powder bed fusion equipment |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | J59 |
| Classification of International Standard | 25.030; 25.080.99 |
| Word Count Estimation | 14,199 |
| Date of Issue | 2025-08-29 |
| Date of Implementation | 2026-03-01 |
| Issuing agency(ies) | State Administration for Market Regulation; Standardization Administration of China |
GB/T 46083-2025: Additive manufacturing - Technical specification for multi-laser beam powder bed fusion equipment
---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT46083-2025
ICS 25.030;25.080.99
CCSJ59
National Standards of the People's Republic of China
Additive manufacturing
Technical Specifications for Multibeam Powder Bed Melting Equipment
bedfusion equipment
Implemented on 2026-03-01
State Administration for Market Regulation
The State Administration for Standardization issued a statement.
Table of Contents
Preface III
1.Scope 1
2 Normative References 1
3.Terms and Definitions 1
4.Equipment Composition and Operating Environment 1
5.Safety and Protection 2
6.Technical Requirements 2
7.Test Methods 4
8 Inspection Rules 7
9 symbols
10 Packaging, Transportation and Storage 9
Foreword
This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents".
Drafting.
Please note that some content in this document may involve patents. The issuing organization of this document assumes no responsibility for identifying patents.
This document was proposed by the China Machinery Industry Federation.
This document was prepared by the National Technical Committee on Standardization of Additive Manufacturing (SAC/TC562) and the National Technical Committee on Standardization of Special Processing Machine Tools.
(SAC/TC161) are jointly under the jurisdiction of the State Administration of Taxation.
This document was drafted by. Xi'an National Research Institute of Additive Manufacturing Co., Ltd., Guangdong Hanbang Laser Technology Co., Ltd., and Shenzhen Jinshi San
3D Printing Technology Co., Ltd., Beijing Power Machinery Research Institute, Hangzhou EasyPlus 3D Additive Technology Co., Ltd., Suzhou Tianhong Laser Co., Ltd.
Limited Liability Company, Beijing Hangxing Machinery Manufacturing Co., Ltd., China Machinery Productivity Promotion Center Co., Ltd., Hunan Huashu High-Tech Co., Ltd.
Xi'an Jiaotong University, Suzhou Electrical Discharge Machining Research Institute Co., Ltd., Shandong Chuangrui Additive Manufacturing Industry Technology Research Institute Co., Ltd., Xi'an Aerospace
Tianji Engine Co., Ltd., Northwestern Polytechnical University, Tianjin Leiming Laser Technology Co., Ltd., Anhui Hart 3D Technology Co., Ltd., Sichuan Zhongjiu
Daguang Technology Co., Ltd., Wuhan Raycus Fiber Laser Technologies Co., Ltd., Xi'an Bright Laser Technologies Co., Ltd., Weichai Power
Powertrain Co., Ltd., China National Heavy Duty Truck Group Co., Ltd., Aero Engine Corporation of China Commercial Aircraft Engine Co., Ltd., Aachen United Technologies
(Tianjin) Co., Ltd., Shenzhen Collaborative Innovation High-Tech Development Co., Ltd., AVIC MITEK Additive Manufacturing Technology (Beijing) Co., Ltd., Shanghai UnionTech
Technology Co., Ltd., Jiaqiang (Shanghai) Intelligent Technology Co., Ltd., Chongqing Electromechanical Intelligent Manufacturing Co., Ltd. Additive Manufacturing Branch, Guangxi Da
University, Chongqing University, Suzhou Beifeng Intelligent Technology Co., Ltd., Aisk Technology Co., Ltd., Zhejiang University of Technology, Aerospace Additive Manufacturing Technology
(Beijing) Co., Ltd., Wuxi Inspection and Testing Certification Institute, Ocean University of China, Central Research Institute of Shanghai Electric Group Co., Ltd.
CRRC Industrial Research Institute Co., Ltd., Beijing Machinery Science and Technology Innovation Lightweight Science Research Institute Co., Ltd., Beijing Wanwei Additive Manufacturing Technology Co., Ltd.
Ningbo Haitian Additive Manufacturing Technology Co., Ltd., Shenzhen Baochenxin Laser Technology Co., Ltd., Xiamen Hanyin Co., Ltd., Jiangsu Lianying Laser
Limited Liability Company, Zhejiang Tianxiong Industrial Technology Co., Ltd.
The main drafters of this document are. Chen Zhen, Liu Jianye, Guo Wenhua, Wang Di, Bai Jie, Feng Yunlong, Jin Chaolong, Lu Bingheng, Han Weiqun, Hu Fan, and Wang Ying.
Pan Liangming, Sun Yawei, Yang Huanqing, Lin Xin, Guan Kai, Luo Liangshun, Zhao Lei, Yan Dapeng, Xie Guoyin, Li Yang, Sun Yucheng, He Ke, Hou Huipeng, Tao Wang,
Tan Zhenzhong, Wu Xinqiang, Yu Qingxiao, Wang Fang, Duan Huming, Long Yu, Hu Xiaoquan, Tang Hui, Yao Jianhua, Liang Chenxiao, Mao Yuyi, Liu Yonghui, Fan Enxiang
Zhe Jie, Hou Mingpeng, Sheng Bin, Yang Chunhong, Li Yongjian, Lin Jinyi, Guo Ziran, He Xiaozhong.
Additive manufacturing
Technical Specifications for Multibeam Powder Bed Melting Equipment
1.Scope
This document specifies the composition, operating environment, safety and protection, technical requirements, inspection rules, and markings for multi-beam powder bed melting equipment.
Packaging, transportation, and storage, along with the inspection methods, are described.
This document applies to the design and manufacture of powder bed melting equipment that uses two or more laser beams as energy sources and metal powder as forming material.
Manufacturing and factory inspection.
2 Normative references
The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included.
For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.
This document.
GB/T 191 Pictorial Symbols for Packaging and Storage
GB/T 228.1 Metallic materials – Tensile testing – Part 1.Test method at room temperature
GB 2894 Safety signs and their usage guidelines
GB/T 3850-2015 Method for Determination of Density of Dense Sintered Metallic Materials and Hard Alloys
GB/T 5226.1 Electrical Safety of Machinery - Electrical Equipment of Machinery - Part 1.General Technical Conditions
GB/T 7247.1 Safety of laser products - Part 1.Equipment classification and requirements
GB/T 7247.4 Safety of Laser Products - Part 4.Laser Protective Shields
GB/T 13306 Nameplates
GB/T 14896.7 Special Processing Machine Tools Terminology Part 7.Additive Manufacturing Machine Tools
GB 15577-2018 Safety Regulations for Dust Explosion Prevention
GB/T 18490.1 Mechanical Safety - Laser Processing Machines - Part 1.General Safety Requirements
GB 25493 Safety Protection Technical Requirements for Rapid Prototyping Machine Tools Using Laser as Processing Energy
GB 26503 Safety Protection Technical Requirements for Rapid Prototyping Machine Tools
GB/T 35351 Additive Manufacturing Terminology
GB/T 43141-2023 General Technical Requirements for Laser Additive Manufacturing Machine Tools
JB/T 8356 Technical Requirements for Machine Tool Packaging
JB/T 14664 Precision Inspection of Laser Selective Melting Forming Machine Tools
3.Terms and Definitions
The terms and definitions defined in GB/T 35351 and GB/T 14896.7 apply to this document.
4.Equipment composition and operating environment
4.1 Equipment Composition
The multi-beam powder bed melting equipment (hereinafter referred to as "the equipment") mainly consists of an optical path system, a forming system, a mechanical motion system, and electrical and control systems.
The system consists of a cooling system and other supporting components. Depending on the agreement between the supplier and the buyer, it may also include a powder circulation system and an online molding quality monitoring system.
The system, etc., and its constituent systems and main functions are shown in Table 1.
Table 1.Main Components and Functions of the Equipment
Name composition function
The optical system includes a laser, scanning galvanometer, and lenses, etc.
Provide two or more laser beams to act on the metal powder, for its
Melting provides an energy source
The forming system includes a forming chamber, a sealing system, and a gas circulation and filtration system, providing a controllable forming environment with controlled airflow and oxygen content.
Mechanical motion system
It mainly includes a forming platform, a lifting mechanism, and a powder supply mechanism.
and powder spreading institutions, etc.
It performs functions such as powder supply and powder spreading during the forming process.
Electrical and control systems include software, control system hardware, and electrical systems.
The control equipment's various systems and components operate stably, and the control parameters are monitored.
Monitor, record, and save data and equipment status.
The cooling system includes cooling circulation devices and piping, etc.
Ensure the key components of the equipment (laser, galvanometer, substrate, forming)
(e.g., room) operates within a suitable temperature range.
4.2 Usage Environment
The equipment should operate in a well-ventilated environment, and the operating conditions should preferably meet the following requirements.
a) Ambient temperature. 15℃~35℃;
b) Relative humidity. 10%~75%;
c) Vibration. There are no obvious vibration sources around the equipment.
5.Safety and Protection
5.1 The safety protection of the equipment shall comply with the provisions of GB 25493 and GB 26503.
5.2 The electrical safety of the equipment shall comply with the provisions of GB/T 5226.1.
5.3 The safety protection of the equipment's laser system shall comply with the provisions of GB/T 18490.1, and the forming chamber door shall have a laser safety interlock to ensure laser output.
The molding chamber door must not be opened during operation.
5.4 Laser radiation safety protection shall comply with the provisions of GB/T 7247.4, and the window glass shall be able to effectively prevent laser radiation from causing harm to people.
5.5 Depending on the ventilation performance of the location where the equipment will be used, the equipment should be equipped with an ambient oxygen concentration detection and alarm device to prevent inert gas leakage.
This could lead to an oxygen deficiency accident.
5.6 The equipment manufacturer shall clearly specify the safe operating procedures for the gas circulation filtration system and the requirements for fire extinguishing equipment in the operating instructions.
Based on the flammability and explosion risks of different materials, flammability and explosion warning signs should be clearly displayed in prominent locations on the equipment, in accordance with section 6.5 of GB 15577-2018.
Regulation.
6.Technical Requirements
6.1 Appearance Quality
The appearance quality of the equipment shall meet the requirements of 5.3 in GB/T 43141-2023.
6.2 Optical Path System
6.2.1 Multi-beam spot diameter deviation. When the laser beam diameter is not greater than 50 μm, the multi-beam spot diameter deviation should not be greater than 3 μm;
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