Overview
ABSTRACT
Additive manufacturing brings together a large set of processes with their own specificities and using various materials in different forms. In order to support companies in making their facilities safer, it is important to take into account these specificities and to list know and emerging risks. This inventory and the associated recommendations are carried out at all stages of the manufacturing chain. This article focuses on the four processes excluding powdery materials: material extrusion, material spraying, layer lamination, photopolymerization in tank.
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Read the articleAUTHORS
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Olivier DELLEA: Research Engineer, Grenoble-Alpes University, CEA, Liten, DTNM, 38000 Grenoble, France
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Cécile PHILIPPOT: Research Engineer, Grenoble-Alpes University, CEA, Liten, DTNM, 38000 Grenoble, France
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Marion ROUSSELON: Installation Safety Engineer, Grenoble-Alpes University, CEA, Liten, DTNM, 38000 Grenoble, France
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Joséphine STECK: HSE Research Engineer, Grenoble-Alpes University, CEA, Liten, DTNM, 38000 Grenoble, France
INTRODUCTION
The aim of this article is to present the occupational hazards associated with, and recommendations necessary for, four categories of additive manufacturing processes not involving powdered materials: material extrusion, material projection, layer lamination and tank photopolymerization. To this end, a section is dedicated to each category, detailing all the phases in the manufacturing chain: material storage and preparation, part printing, post-processing operations (removal of supports, de-soldering, etc.) and finishing (polishing, painting, etc.).
The recommendations are organized in accordance with the
XP E67-006
from July 2020, through premises layout, process management and organization. It is important to remember that this analysis concerns normal working conditions and not accidental conditions. In addition, the recommendations presented in this article are specific to the four categories of processes presented, and complement the general recommendations detailed in the article.
Given the rapid evolution of the sector, this study does not claim to be an exhaustive list of materials and processing steps. The order in which operations are carried out may be revised according to operational constraints and the technical specificities of the parts to be manufactured. Nonetheless, it is a practical aid to securing additive manufacturing processes.
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KEYWORDS
additive manufacturing | Occupational safety | Regulation | Material extrusion | Material spraying | Layer lamination | Photopolymerization in tank
CAN BE ALSO FOUND IN:
Safety in additive manufacturing
Material extrusion
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