1. Binder spraying
The process begins by depositing a layer of powder of controlled thickness (also known as a "powder bed") on a printing plate. A binding agent (liquid) is deposited locally on this powder bed to solidify certain parts. Iteratively, a layer of powder is deposited on top of the previous one, and each layer is locally impregnated with a binding agent. Layer by layer, the part is built up (figure 1 ), the impregnated parts forming a solid part surrounded by unbound powder. Printing is completed by removing the unbonded powder and the part, followed by post-processing operations such as de-soldering, and finishing operations such as painting.
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Binder spraying
Bibliography
Standards and norms
- Additive manufacturing – Design – Requirements, guidelines and recommendations. - NF EN ISO/ASTM 52910 - Mars 2020
- Additive manufacturing – Safety, health and environment – Requirements for metallic materials. - XP E67-006 - Juillet 2020
Regulations
Council Directive 89/391/EEC of June 12, 1989 on the introduction of measures to encourage improvements in the safety and health of workers at work (OJEC L. 183 of June 29, 1989, CELEX :31989L0391).
Directive 2014/34/EU of the European Parliament and of the Council of February 26, 2014 on the harmonization of the laws of the Member States concerning equipment and protective systems intended for use...
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