1.1 警告-- 本文件并不旨在解决与其使用相关的所有安全问题（如果有的话）。本文件的使用者有责任在使用前建立适当的安全、健康和环境实践，并确定监管限制的适用性。 1.2 本文件涵盖了关键应用领域的金属粉末床熔化（PBF）机器和工艺的操作和生产控制。一旦故障部件的功能导致直接威胁，就假定存在关键应用程序。 1.3 本文件适用于使用激光和电子束粉末床熔化（PBF）生产零件和机械试样。 1.4 与特定应用领域相关的规范在各自的标准中提供。 1.5 本国际标准是根据世界贸易组织技术性贸易壁垒委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认的标准化原则制定的。

1.1 Warning— This document does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this document to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.2 This document covers the operation and production control of metal powder bed fusion (PBF) machines and processes for areas of critical applications. A critical application is assumed once failing parts-functionality leads to immediate threats. 1.3 This document is applicable for production of parts and mechanical test specimens using powder bed fusion (PBF) with both laser and electron beams. 1.4 Specifications related to specific fields of application are provided in respective standards. 1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.