Standard No.:	GB/T 46083-2025
English Name:	Additive manufacturing—Technical specification for multi-laser beam powder bed fusion equipment
Chinese Name:	增材制造 多光束粉末床熔融设备技术规范
Chinese Classification:	J59    Non-traditional processing machine tool
Professional Classification:	GB    National Standard
Source Content Issued by:	SAMR; SAC
Issued on:	2025-8-29
Implemented on:	2026-3-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	9000 words
Translation Price(USD):	270.0
Delivery:	via email in 1 business day

GB/T 46083-2025 Additive manufacturing - Technical specification for multi-laser beam powder bed fusion equipment 1 Scope This document specifies the composition and operating environment, safety and protection, technical requirements, inspection rules, marking, packaging, transportation and storage, and describes the inspection methods, of multi-laser beam powder bed fusion equipment. This document is applicable to the design, manufacturing and end-of-manufacturing inspection of powder bed fusion equipment with two or more laser beams as the energy source and metallic powder as the build material. 2 Normative references The following normative documents contain provisions which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 191 Packaging - Pictorial marking for handling of goods GB/T 228.1 Metallic materials - Tensile testing - Part 1: Method of test at room temperature GB 2894 Safety signs and guideline for the use GB/T 3850-2015 Impermeable sintered metal materials and hardmetals - Determination of density GB/T 5226.1 Electrical safety of machinery - Electrical equipment of machines - Part 1: General requirements 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 guards GB/T 13306 Plates GB/T 14896.7 Non-traditional machines - Terminology - Part 7: Additive manufacturing machines GB 15577-2018 Safety regulations for dust explosion prevention and protection GB/T 18490.1 Safety of machinery - Laser processing machines - Part 1: General safety requirement GB 25493 Rapid prototyping machines by laser as processing energy - Technical requirements for safeguarding GB 26503 Rapid prototyping machines - Technical requirements for safeguarding GB/T 35351 Additive manufacturing - Terminology GB/T 43141-2023 Laser additive manufacturing machines - General technical requirement JB/T 8356 Packaging of machine tool - Specifications JB/T 14664 Selective laser melting machines - Testing of the accuracy 3 Terms and definitions For the purposes of this document, the terms and definitions given in GB/T 35351 and GB/T 14896.7 apply. 4 Equipment composition and operating environment 4.1 Equipment composition Multi-laser beam powder bed fusion equipment (hereinafter referred to as “the equipment”) is mainly composed of a beam system, a build system, a mechanical motion system, an electrical and control system, and an auxiliary cooling system. It may also be equipped with a powder circulation treatment system and a build quality online monitoring system, etc., as agreed by the supplier and the purchaser. The component systems and their functions are shown in Table 1. Table 1 Main components and functions of the equipment

Contents Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Equipment composition and operating environment 5 Safety and protection 6 Technical requirements 7 Inspection methods 8 Inspection rules 9 Marking 10 Packaging, transportation and storage