EN ISO/ASTM 52903-2:2020

Additive manufacturing - Material extrusion based additive manufacturing of plastic materials - Part 2: Process equipment (ISO/ASTM 52903-2:2020)

This document describes a method for defining requirements and assuring component integrity for plastic parts created using material extrusion based additive manufacturing processes. It relates to the process, equipment and operational parameters. Processes include all material extrusion based additive manufacturing processes.
This document is intended for use by AM users and customers procuring such parts.

Additive Fertigung - Materialextrusionsbasierende additive Fertigungsverfahren für Kunststoffe - Teil 2: Prozesszubehör (ISO/ASTM 52903-2:2020)

Dieses Dokument beschreibt eine Methode zur Definition von Anforderungen und zur Sicherstellung der Integrität von Komponenten für Kunststoffteile, die mithilfe von Additiven Fertigungsprozessen auf Grundlage von Werkstoffextrusion gefertigt werden. Es bezieht sich auf den Prozess, das Zubehör und die Betriebsparameter. Die Prozesse umfassen alle Additiven Fertigungsprozesse auf Grundlage von Materialextrusion.
Dieses Dokument ist für Anwender der Additiven Fertigung und Kunden, die solche Teile beschaffen, gedacht.

Fabrication additive - Fabrication additive de matériaux plastiques à base d'extrusion de matière - Partie 2: Équipement du procédé (ISO/ASTM 52903-2:2020)

Le présent document décrit une méthode pour définir les exigences et garantir l'intégrité des composants de pièces plastiques créées en utilisant des procédés de fabrication additive à base d'extrusion de matière. Il concerne le procédé, l'équipement et les paramètres opérationnels. Les procédés comprennent tous les procédés de fabrication additive à base d'extrusion de matière.
Le présent document est destiné à être utilisé par les utilisateurs de FA et les clients qui achètent ces pièces.

Dodajalna izdelava - Dodajalna izdelava plastičnih izdelkov z iztiskavanjem - 2. del: Procesna oprema (ISO/ASTM 52903-2:2020)

General Information

• Status: Published
• Publication Date: 27-Oct-2020
• Withdrawal Date: 29-Apr-2021
• ICS: 25.030 - Additive manufacturing
• Technical Committee: CEN/TC 438 - Additive Manufacturing
• Drafting Committee: CEN/TC 438 - Additive Manufacturing
• Current Stage: 6060 - Definitive text made available (DAV) - Publishing
• Start Date: 28-Oct-2020
• Completion Date: 28-Oct-2020
• Ref Project: SIST EN ISO/ASTM 52903-2:2021 - Additive manufacturing - Material extrusion based additive manufacturing of plastic materials - Part 2: Process equipment (ISO/ASTM 52903-2:2020)

Overview

EN ISO/ASTM 52903-2:2020 specifies a method for defining requirements and assuring component integrity for plastic parts produced by material extrusion-based additive manufacturing (ME-AM). Prepared by ISO/TC 261 in cooperation with ASTM, this part 2 standard focuses on process equipment, operational parameters and quality assurance for all material extrusion AM processes. It is intended for AM users and customers procuring plastic parts and supports consistent, auditable manufacturing practices across suppliers and systems.

Key Topics

• Scope and purpose
  • Defines how to specify processes and assure component integrity for plastic parts made by material extrusion AM.
• Process classification
  • Process specifications are organized into Class I, II, and III depending on required quality and traceability:
    • Class I - highest quality and traceability
    • Class II - high quality with moderate traceability
    • Class III - general guideline, best-practice processing with minimal traceability
• Materials
  • Material requirements are linked to EN ISO/ASTM 52903-1 (Feedstock materials); feedstock compliance is required.
• Test specimens and testing
  • Guidance on fabrication of test specimens (incl. direction-dependent and direction-independent properties) and recommendation to match post-processing between test specimens and final parts.
• Process control and equipment
  • Focus on process parameters, raw material handling, maintenance, production runs, and post-processing that affect part integrity.
• Quality assurance
  • Responsibilities for inspection and testing, tolerances, surface roughness, and documentation requirements.
• Qualification and requalification
  • Requirements for equipment qualification, build qualification, and requalification to maintain consistent production capability.
• Reporting
  • Required content for manufacturing and qualification reports to support procurement and acceptance.

Applications

• Procurement specifications for plastic parts produced by FDM/FFF and other material-extrusion 3D printing technologies.
• Quality systems and contracts between AM users, service bureaus and customers requiring auditable traceability and component assurance.
• Internal process validation for manufacturers and OEMs integrating material extrusion AM into production.
• Guidance for QA engineers, production managers, and test laboratories establishing acceptance criteria, tolerances, and qualification protocols.

Related standards

• EN ISO/ASTM 52903-1 - Feedstock materials (material requirements referenced by this document)
• ISO/ASTM 52900 - Fundamentals and vocabulary for additive manufacturing
• ISO/ASTM 52921 - Coordinate systems and test methodologies
• ASTM F3091/F3091M - Referenced for process class terminology (powder bed fusion context)

Keywords: additive manufacturing, material extrusion, 3D printing, FDM, process equipment, plastic materials, ISO/ASTM 52903-2, process specification, qualification, quality assurance.

Standards Content (Sample)

SLOVENSKI STANDARD
01-marec-2021
Dodajalna izdelava - Dodajalna izdelava plastičnih izdelkov z iztiskavanjem - 2. del:
Procesna oprema (ISO/ASTM 52903-2:2020)
Additive manufacturing - Material extrusion based additive manufacturing of plastic
materials - Part 2: Process equipment (ISO/ASTM 52903-2:2020)
Additive Fertigung - Materialextrusionsbasierende additive Fertigungsverfahren für
Kunststoffe - Teil 2: Prozesszubehör (ISO/ASTM 52903-2:2020)
Fabrication additive - Fabrication additive de matériaux plastiques à base d'extrusion de
matière - Partie 2: Équipement du procédé (ISO/ASTM 52903-2:2020)
Ta slovenski standard je istoveten z: EN ISO/ASTM 52903-2:2020
ICS:
25.030 3D-tiskanje Additive manufacturing
83.080.01 Polimerni materiali na Plastics in general
splošno
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN ISO/ASTM 52903-2
EUROPEAN STANDARD
NORME EUROPÉENNE
October 2020
EUROPÄISCHE NORM
ICS 25.030
English Version
Additive manufacturing - Material extrusion based
additive manufacturing of plastic materials - Part 2:
Process equipment (ISO/ASTM 52903-2:2020)
Fabrication additive - Fabrication additive de Additive Fertigung - Materialextrusionsbasierende
matériaux plastiques à base d'extrusion de matière - additive Fertigungsverfahren für Kunststoffe - Teil 2:
Partie 2: Équipement du procédé (ISO/ASTM 52903- Prozesszubehör (ISO/ASTM 52903-2:2020)
2:2020)
This European Standard was approved by CEN on 17 October 2020.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2020 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO/ASTM 52903-2:2020 E
worldwide for CEN national Members.

Contents Page
European foreword . 3

European foreword
This document (EN ISO/ASTM 52903-2:2020) has been prepared by Technical Committee ISO/TC 261
"Additive manufacturing" in collaboration with Technical Committee CEN/TC 438 “Additive
Manufacturing” the secretariat of which is held by AFNOR.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by April 2021, and conflicting national standards shall be
withdrawn at the latest by April 2021.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland,
Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of
North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the
United Kingdom.
Endorsement notice
The text of ISO/ASTM 52903-2:2020 has been approved by CEN as EN ISO/ASTM 52903-2:2020
without any modification.
INTERNATIONAL ISO/ASTM
STANDARD 52903-2
First edition
2020-10
Additive manufacturing —
Material extrusion-based additive
manufacturing of plastic materials —
Part 2:
Process equipment
Fabrication additive — Fabrication additive de matériaux plastiques
à base d'extrusion de matière —
Partie 2: Équipement de processus
Reference number
ISO/ASTM 52903-2:2020(E)
©
ISO/ASTM International 2020
ISO/ASTM 52903-2:2020(E)
© ISO/ASTM International 2020
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be
reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
or ISO’s member body in the country of the requester. In the United States, such requests should be sent to ASTM International.
ISO copyright office ASTM International
CP 401 • Ch. de Blandonnet 8 100 Barr Harbor Drive, PO Box C700
CH-1214 Vernier, Geneva West Conshohocken, PA 19428-2959, USA
Phone: [phone] Phone: [phone]
Fax: [phone]
Email: [e-mail] Email: [e-mail]
Website: www.iso.org Website: www.astm.org
Published in Switzerland
ii © ISO/ASTM International 2020 – All rights reserved

ISO/ASTM 52903-2:2020(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Process specification . 1
4.1 General . 1
4.2 Class I . 2
4.3 Class II. 2
4.4 Class III . 2
5 Materials . 2
6 Fabrication of test specimens . 2
6.1 General . 2
6.2 Direction-independent properties . 2
6.3 Non-mechanical direction-dependent properties . 2
6.4 Mechanical direction-dependent properties . 2
6.4.1 All mechanical property testing except tension testing . 2
6.4.2 Tension testing. 3
7 Responsibility for quality assurance (inspection and test) . 3
8 Tolerances and surface roughness. 3
9 Material processing . 3
9.1 Maintenance . 3
9.2 Raw material . 4
9.3 Process parameters. 4
9.4 Production runs . 4
9.5 Post processing . 4
10 Qualification . 5
10.1 Additive manufacturing equipment qualification . 5
10.2 Build qualification . 5
10.3 Additive manufacturing equipment requalification . 5
11 Report . 5
Bibliography . 6
© ISO/ASTM International 2020 – All rights reserved iii

ISO/ASTM 52903-2:2020(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for id
...

SLOVENSKI STANDARD
01-marec-2021
Aditivna proizvodnja - Aditivna proizvodnja plastičnih materialov z ekstruzijo - 2.
del: Procesna oprema (ISO/ASTM 52903-2:2020)
Additive manufacturing - Material extrusion based additive manufacturing of plastic
materials - Part 2: Process equipment (ISO/ASTM 52903-2:2020)
Additive Fertigung - Materialextrusionsbasierende additive Fertigungsverfahren für
Kunststoffe - Teil 2: Prozesszubehör (ISO/ASTM 52903-2:2020)
Fabrication additive - Fabrication additive de matériaux plastiques à base d'extrusion de
matière - Partie 2: Équipement du procédé (ISO/ASTM 52903-2:2020)
Ta slovenski standard je istoveten z: EN ISO/ASTM 52903-2:2020
ICS:
25.030 3D-tiskanje Additive manufacturing
83.080.01 Polimerni materiali na Plastics in general
splošno
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN ISO/ASTM 52903-2
EUROPEAN STANDARD
NORME EUROPÉENNE
October 2020
EUROPÄISCHE NORM
ICS 25.030
English Version
Additive manufacturing - Material extrusion based
additive manufacturing of plastic materials - Part 2:
Process equipment (ISO/ASTM 52903-2:2020)
Fabrication additive - Fabrication additive de Additive Fertigung - Materialextrusionsbasierende
matériaux plastiques à base d'extrusion de matière - additive Fertigungsverfahren für Kunststoffe - Teil 2:
Partie 2: Équipement du procédé (ISO/ASTM 52903- Prozesszubehör (ISO/ASTM 52903-2:2020)
2:2020)
This European Standard was approved by CEN on 17 October 2020.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2020 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO/ASTM 52903-2:2020 E
worldwide for CEN national Members.

Contents Page
European foreword . 3

European foreword
This document (EN ISO/ASTM 52903-2:2020) has been prepared by Technical Committee ISO/TC 261
"Additive manufacturing" in collaboration with Technical Committee CEN/TC 438 “Additive
Manufacturing” the secretariat of which is held by AFNOR.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by April 2021, and conflicting national standards shall be
withdrawn at the latest by April 2021.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland,
Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of
North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the
United Kingdom.
Endorsement notice
The text of ISO/ASTM 52903-2:2020 has been approved by CEN as EN ISO/ASTM 52903-2:2020
without any modification.
INTERNATIONAL ISO/ASTM
STANDARD 52903-2
First edition
2020-10
Additive manufacturing —
Material extrusion-based additive
manufacturing of plastic materials —
Part 2:
Process equipment
Fabrication additive — Fabrication additive de matériaux plastiques
à base d'extrusion de matière —
Partie 2: Équipement de processus
Reference number
ISO/ASTM 52903-2:2020(E)
©
ISO/ASTM International 2020
ISO/ASTM 52903-2:2020(E)
© ISO/ASTM International 2020
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be
reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
or ISO’s member body in the country of the requester. In the United States, such requests should be sent to ASTM International.
ISO copyright office ASTM International
CP 401 • Ch. de Blandonnet 8 100 Barr Harbor Drive, PO Box C700
CH-1214 Vernier, Geneva West Conshohocken, PA 19428-2959, USA
Phone: [phone] Phone: [phone]
Fax: [phone]
Email: [e-mail] Email: [e-mail]
Website: www.iso.org Website: www.astm.org
Published in Switzerland
ii © ISO/ASTM International 2020 – All rights reserved

ISO/ASTM 52903-2:2020(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Process specification . 1
4.1 General . 1
4.2 Class I . 2
4.3 Class II. 2
4.4 Class III . 2
5 Materials . 2
6 Fabrication of test specimens . 2
6.1 General . 2
6.2 Direction-independent properties . 2
6.3 Non-mechanical direction-dependent properties . 2
6.4 Mechanical direction-dependent properties . 2
6.4.1 All mechanical property testing except tension testing . 2
6.4.2 Tension testing. 3
7 Responsibility for quality assurance (inspection and test) . 3
8 Tolerances and surface roughness. 3
9 Material processing . 3
9.1 Maintenance . 3
9.2 Raw material . 4
9.3 Process parameters. 4
9.4 Production runs . 4
9.5 Post processing . 4
10 Qualification . 5
10.1 Additive manufacturing equipment qualification . 5
10.2 Build qualification . 5
10.3 Additive manufacturing equipment requalification . 5
11 Report . 5
Bibliography . 6
© ISO/ASTM International 2020 – All rights reserved iii

ISO/ASTM 52903-2:2020(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for i
...