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Normas BSI – AENOR
20/30416702 DC

20/30416702 DC

BS EN ISO/ASTM 52924. Additive manufacturing. Qualification principles. Classification of part properties for additive manufacturing of polymer parts

2020-04-07 /Definitive
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This document establishes the required or the achievable classes of part properties for additive manufactured polymer parts in order to get a common understanding on part quality. It is aimed at providers of manufacturing services for polymer parts who use additive manufacturing machines and at the customers for these services. Designers of parts as well as buyers and providers of manufacturing services can specify, in a traceable manner, the required or the achievable level of part properties with the aid of this standard.

This document applies to parts that have been manufactured from a thermoplastic polymer by means of powder bed fusion with laser for polymers (PBF-LB/P), alternatively named laser sintering (LS) or material extrusion (MEX). Its applicability to other processes for polymers shall be checked in the specific case.


Laser sintering is also known as selective laser sintering (SLS®).


The process called material extrusion (MEX) in ISO/ASTM 52900 is also known as fused layer modelling (FLM), fused layer manufacturing or fused deposition modelling (FDM) or fused filament fabrication (FFF).

The classification of part properties apply to parts that have not been post-processed after unpacking from the build space and after removing possible support structures.

Manufacturing, Properties, Additives, Polymers, Classification systems
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