EN 12814-7:2024
(Main)Testing of welded joints of thermoplastics semi-finished products - Part 7: Tensile test with waisted test specimens
Testing of welded joints of thermoplastics semi-finished products - Part 7: Tensile test with waisted test specimens
This document specifies the dimensions, the method of sampling, the preparation of the test specimens and the conditions for performing the tensile test with waisted test specimens in order to determine the tensile energy welding factor.
A tensile test with waisted specimens can be used in conjunction with other tests (e.g. bend, tensile, tensile creep, macro, etc.) to assess the performance of welded assemblies, made from thermoplastics materials.
The test is applicable to co-axial or co-planar heated tool butt welded assemblies made from thermoplastics materials filled or unfilled, but not reinforced. It is not applicable to tubular assemblies with a nominal outside diameter less than 90 mm.
Prüfen von Schweißverbindungen an Halbzeugen aus thermoplastischen Kunststoffen - Teil 7: Zugversuch an Probekörpern mit Rundkerbe
Dieses Dokument legt die Maße, das Verfahren für die Probenahme und die Herstellung von Probekörpern sowie die Bedingungen für die Durchführung des Zugversuchs an Probekörpern mit Rundkerbe fest, um den energiebezogenen Kurzzeitzug-Schweißfaktor zu bestimmen.
Ein Zugversuch an Probekörpern mit Rundkerbe kann in Verbindung mit weiteren Prüfungen durchgeführt werden (z. B. Biegeversuch, Zugversuch, Zeitstand-Zugversuch, makroskopische Untersuchungen usw.), um die Gebrauchstauglichkeit von geschweißten Fügeteilen aus thermoplastischen Kunststoffen zu beurteilen.
Die Prüfung ist auf koaxiale oder in einer Ebene liegende Heizelementstumpfschweißverbindungen aus thermoplastischen Kunststoffen mit oder ohne Füllstoff, die jedoch nicht verstärkt sind, anwendbar. Die Prüfung ist bei Rohrverbindungen mit einem äußeren Nenndurchmesser kleiner 90 mm nicht anwendbar.
Essais des assemblages soudés sur produits semi-finis en thermoplastiques - Partie 7 : Essai de traction avec éprouvettes entaillées en U
Le présent document spécifie les dimensions, la méthode d'échantillonnage, la préparation des éprouvettes et les conditions pour effectuer l'essai de traction avec éprouvettes entaillées en U afin de déterminer le facteur de soudage d’énergie de rupture en traction.
Un essai de traction avec éprouvettes entaillées en U peut être utilisé en combinaison avec d'autres essais (par exemple : essai de pliage, essai de traction, essai de fluage, examen macrographique, …) pour évaluer les performances des assemblages soudés en matières thermoplastiques.
Cet essai est applicable à des assemblages soudés au moyen d’un outil chauffé dans le même axe ou le même plan, composés de matières thermoplastiques chargées ou non chargées, mais non renforcées. Il n’est pas applicable aux assemblages de tubes de diamètre extérieur nominal inférieur à 90 mm.
Preskus zvarjenih spojev plastomernih polizdelkov - 7. del: Trgalni preskus z zožanimi preskušanci
Ta dokument določa dimenzije, metodo vzorčenja, pripravo preskušancev in pogoje za izvedbo trgalnega preskusa z zožanimi preskušanci, s katerim se določi natezni faktor zvara.
Trgalni preskus z zožanimi preskušanci je mogoče uporabiti skupaj z drugimi preskusi (npr. preskus upogibanja, natezni preskus, preskus lezenja pri natezni obremenitvi, makro preskus itd.) za oceno zmogljivosti varjenih sestavov iz plastomernih materialov.
Preskus se uporablja za koaksialne ali koplanarne sestave, soležno varjene z ogrevanim orodjem in izdelane iz polnjenih ali nepolnjenih termoplastičnih materialov, ki niso ojačani. Ne uporablja se za cevaste sestave z nazivnim zunanjim premerom, manjšim od 90 mm.
General Information
Relations
Overview
EN 12814-7:2024 is a European standard developed by CEN that specifies the procedures for testing welded joints in thermoplastic semi-finished products using a tensile test with waisted test specimens. This updated standard supersedes EN 12814-7:2002 and introduces revisions such as added symbols and new specimen dimension tables. The testing methodology focuses on determining the tensile energy welding factor, a critical parameter to assess the integrity and performance of welded thermoplastic assemblies.
Applicable primarily to co-axial or co-planar heated tool butt welded assemblies made from both filled and unfilled thermoplastic materials (excluding reinforced plastics), this standard excludes tubular assemblies with nominal outside diameters less than 90 mm. It provides detailed requirements on specimen preparation, testing conditions, and evaluation metrics to ensure consistent and reliable tensile testing outcomes.
Key Topics
Specimen Dimensions and Preparation: Defines precise dimensions for waisted test specimens dependent on sample thickness (up to 30 mm), including provisions for cutting thicker specimens into multiple layers. Surfaces must be free from notches, and welding beads are to be removed only to the extent necessary.
Sampling and Marking: Specimens should be cut perpendicular to the weld at least eight hours after welding to ensure settled joint conditions. Each specimen must be clearly identified to preserve traceability.
Testing Conditions: Specimens must be conditioned at 23 ± 2 °C for 12-24 hours based on thickness, and tested at controlled speeds per EN ISO 527-1 standards. The test involves loading specimens along their longitudinal axis until fracture, measuring load and extension to calculate the energy to break.
Determination of Tensile Energy Welding Factor: This factor is computed using the ratio of mean energies to break between welded and unwelded specimens. This quantitative measure helps evaluate weld performance in tensile modes.
Documentation: Comprehensive test reports are mandated, encompassing all relevant details such as test piece description, welding type, test parameters, failure mode, and measured tensile energies, ensuring transparency and reproducibility.
Applications
EN 12814-7:2024 serves as a fundamental standard for industries that fabricate and utilize thermoplastic assemblies, providing a harmonized approach to verify weld strength and quality. Typical applications include:
Quality Control in Manufacturing: Ensuring consistency and reliability of welded joints in plastic components used in automotive, construction, and consumer goods.
Research and Development: Assessing new welding techniques or thermoplastic materials by characterizing weld performance under tensile loading conditions.
Compliance and Certification: Providing standardized test methods for regulatory submissions, product certification, and supplier qualification in the plastics sector.
Material Selection and Design: Aiding engineers in selecting appropriate thermoplastic materials and designing welded assemblies that meet stringent mechanical performance criteria.
Related Standards
EN 13100-1: Visual Examination of Welded Joints of Thermoplastics - complements the tensile test by providing guidelines on visual inspection techniques.
EN ISO 527-1: Plastics - Determination of Tensile Properties - outlines general principles and testing speeds for tensile testing of plastics, which are referenced for specimen testing conditions.
ISO 5893: Specifications for tensile, flexural, and compression test equipment, ensuring uniformity in mechanical testing apparatus used.
By adhering to EN 12814-7:2024, organizations ensure reliable, standardized evaluation of welded thermoplastic joints, enhancing product durability and safety in practical engineering contexts.
Standards Content (Sample)
SLOVENSKI STANDARD
01-junij-2024
Preskus zvarjenih spojev plastomernih polizdelkov - 7. del: Trgalni preskus z
zožanimi preskušanci
Testing of welded joints of thermoplastics semi-finished products - Part 7: Tensile test
with waisted test specimens
Prüfen von Schweißverbindungen aus thermoplastischen Kunststoffen - Teil 7:
Zugversuch an Probekörpern mit Rundkerbe
Essais des assemblages soudés sur produits semi-finis en thermoplastiques - Partie 7:
Essai de traction avec éprouvettes entaillées en U
Ta slovenski standard je istoveten z: EN 12814-7:2024
ICS:
25.160.40 Varjeni spoji in vari Welded joints and welds
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EN 12814-7
EUROPEAN STANDARD
NORME EUROPÉENNE
March 2024
EUROPÄISCHE NORM
ICS 25.160.40 Supersedes EN 12814-7:2002
English Version
Testing of welded joints of thermoplastics semi-finished
products - Part 7: Tensile test with waisted test specimens
Essais des assemblages soudés sur produits semi-finis Prüfen von Schweißverbindungen an Halbzeugen aus
en thermoplastiques - Partie 7 : Essai de traction avec thermoplastischen Kunststoffen - Teil 7: Zugversuch an
éprouvettes entaillées en U Probekörpern mit Rundkerbe
This European Standard was approved by CEN on 15 January 2024.
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, Türkiye 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
© 2024 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 12814-7:2024 E
worldwide for CEN national Members.
Contents Page
European foreword . 3
1 Scope . 4
2 Normative references. 4
3 Terms and definitions . 4
4 Symbols and designations . 5
5 Principle of the test . 5
6 Sampling procedures. 5
7 Dimensions of test specimens . 5
8 Cutting of test specimens . 6
9 Mechanical testing . 7
10 Test equipment . 7
11 Determination of the tensile energy welding factor . 7
12 Test report . 8
Annex A (normative) Cutting specimens of thickness > 30 mm into two or more layers . 9
Annex B (informative) Test speeds for some thermoplastic materials . 10
European foreword
This document (EN 12814-7:2024) has been prepared by Technical Committee CEN/TC 249 “Plastics”,
the secretariat of which is held by SIS.
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 September 2024, and conflicting national standards shall
be withdrawn at the latest by September 2024.
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.
This document supersedes EN 12814-7:2002.
In comparison with the previous edition, the following technical modifications have been made:
— the symbols in “Figure 1 — Waisted tensile test specimen” have been added to “Table 1 — Symbols
and designations”;
— modification in Clause 6 following dimensions of test specimens;
— “Table 2 — Dimensions of test specimens” has been added;
— in Table B.1, the test speed for PA-U materials has been added.
Any feedback and questions on this document should be directed to the users’ national standards body.
A complete listing of these bodies can be found on the CEN website.
According to the CEN-CENELEC Internal Regulations, the national standards organisations 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, Türkiye and the United
Kingdom.
1 Scope
This document specifies the dimensions, the method of sampling, the preparation of the test specimens
and the conditions for performing the tensile test with waisted test specimens in order to determine the
tensile energy welding factor.
A tensile test with waisted specimens can be used in conjunction with other tests (e.g. bend, tensile,
tensile creep, macro, etc.) to assess the performance of welded assemblies, made from thermoplastics
materials.
The test is applicable to co-axial or co-planar heated tool butt welded assemblies made from
thermoplastics materials filled or unfilled, but not reinforced. It is not applicable to tubular assemblies
with a nominal outside diameter less than 90 mm.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated ref
...
SLOVENSKI STANDARD
01-junij-2024
Preskus zvarjenih spojev plastomernih polizdelkov - 7. del: Trgalni preskus z
zožanimi preskušanci
Testing of welded joints of thermoplastics semi-finished products - Part 7: Tensile test
with waisted test specimens
Prüfen von Schweißverbindungen aus thermoplastischen Kunststoffen - Teil 7:
Zugversuch an Probekörpern mit Rundkerbe
Essais des assemblages soudés sur produits semi-finis en thermoplastiques - Partie 7:
Essai de traction avec éprouvettes entaillées en U
Ta slovenski standard je istoveten z: EN 12814-7:2024
ICS:
25.160.40 Varjeni spoji in vari Welded joints and welds
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 12814-7
EUROPEAN STANDARD
NORME EUROPÉENNE
March 2024
EUROPÄISCHE NORM
ICS 25.160.40 Supersedes EN 12814-7:2002
English Version
Testing of welded joints of thermoplastics semi-finished
products - Part 7: Tensile test with waisted test specimens
Essais des assemblages soudés sur produits semi-finis Prüfen von Schweißverbindungen an Halbzeugen aus
en thermoplastiques - Partie 7 : Essai de traction avec thermoplastischen Kunststoffen - Teil 7: Zugversuch an
éprouvettes entaillées en U Probekörpern mit Rundkerbe
This European Standard was approved by CEN on 15 January 2024.
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, Türkiye 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
© 2024 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 12814-7:2024 E
worldwide for CEN national Members.
Contents Page
European foreword . 3
1 Scope . 4
2 Normative references. 4
3 Terms and definitions . 4
4 Symbols and designations . 5
5 Principle of the test . 5
6 Sampling procedures. 5
7 Dimensions of test specimens . 5
8 Cutting of test specimens . 6
9 Mechanical testing . 7
10 Test equipment . 7
11 Determination of the tensile energy welding factor . 7
12 Test report . 8
Annex A (normative) Cutting specimens of thickness > 30 mm into two or more layers . 9
Annex B (informative) Test speeds for some thermoplastic materials . 10
European foreword
This document (EN 12814-7:2024) has been prepared by Technical Committee CEN/TC 249 “Plastics”,
the secretariat of which is held by SIS.
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 September 2024, and conflicting national standards shall
be withdrawn at the latest by September 2024.
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.
This document supersedes EN 12814-7:2002.
In comparison with the previous edition, the following technical modifications have been made:
— the symbols in “Figure 1 — Waisted tensile test specimen” have been added to “Table 1 — Symbols
and designations”;
— modification in Clause 6 following dimensions of test specimens;
— “Table 2 — Dimensions of test specimens” has been added;
— in Table B.1, the test speed for PA-U materials has been added.
Any feedback and questions on this document should be directed to the users’ national standards body.
A complete listing of these bodies can be found on the CEN website.
According to the CEN-CENELEC Internal Regulations, the national standards organisations 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, Türkiye and the United
Kingdom.
1 Scope
This document specifies the dimensions, the method of sampling, the preparation of the test specimens
and the conditions for performing the tensile test with waisted test specimens in order to determine the
tensile energy welding factor.
A tensile test with waisted specimens can be used in conjunction with other tests (e.g. bend, tensile,
tensile creep, macro, etc.) to assess the performance of welded assemblies, made from thermoplastics
materials.
The test is applicable to co-axial or co-planar heated tool butt welded assemblies made from
thermoplastics materials filled or unfilled, but not reinforced. It is not applicable to tubular assemblies
with a nominal outside diameter less than 90 mm.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements o
...
Frequently Asked Questions
EN 12814-7:2024 is a standard published by the European Committee for Standardization (CEN). Its full title is "Testing of welded joints of thermoplastics semi-finished products - Part 7: Tensile test with waisted test specimens". This standard covers: This document specifies the dimensions, the method of sampling, the preparation of the test specimens and the conditions for performing the tensile test with waisted test specimens in order to determine the tensile energy welding factor. A tensile test with waisted specimens can be used in conjunction with other tests (e.g. bend, tensile, tensile creep, macro, etc.) to assess the performance of welded assemblies, made from thermoplastics materials. The test is applicable to co-axial or co-planar heated tool butt welded assemblies made from thermoplastics materials filled or unfilled, but not reinforced. It is not applicable to tubular assemblies with a nominal outside diameter less than 90 mm.
This document specifies the dimensions, the method of sampling, the preparation of the test specimens and the conditions for performing the tensile test with waisted test specimens in order to determine the tensile energy welding factor. A tensile test with waisted specimens can be used in conjunction with other tests (e.g. bend, tensile, tensile creep, macro, etc.) to assess the performance of welded assemblies, made from thermoplastics materials. The test is applicable to co-axial or co-planar heated tool butt welded assemblies made from thermoplastics materials filled or unfilled, but not reinforced. It is not applicable to tubular assemblies with a nominal outside diameter less than 90 mm.
EN 12814-7:2024 is classified under the following ICS (International Classification for Standards) categories: 25.160.40 - Welded joints and welds. The ICS classification helps identify the subject area and facilitates finding related standards.
EN 12814-7:2024 has the following relationships with other standards: It is inter standard links to EN 12814-7:2002. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
You can purchase EN 12814-7:2024 directly from iTeh Standards. The document is available in PDF format and is delivered instantly after payment. Add the standard to your cart and complete the secure checkout process. iTeh Standards is an authorized distributor of CEN standards.
EN 12814-7:2024は、熱可塑性半製品の溶接接合部の試験方法に関する標準であり、特にウェイステッド試験片を用いた引張試験に関する詳細を規定しています。この文書は、引張エネルギー溶接係数を決定するための試験片の寸法、サンプリング方法、試験片の準備、及び試験条件を明示しています。 この標準の大きな強みは、熱可塑性材料による溶接されたアセンブリの性能評価に対して非常に実用的であり、多様な試験(曲げ試験、引張試験、引張クリープ試験、マクロ試験など)との併用が可能である点です。これにより、ユーザーは特定の条件下でのアセンブリの全体的な強度を包括的に評価することができます。 また、EN 12814-7:2024は、熱可塑性材料で構成されたコアキシャルまたはコプラナ加熱工具バット溶接アセンブリに適用されます。この規格は、充填材の有無にかかわらず、強化されていない熱可塑性材料に対して適用可能であり、90 mm未満の公称外径を持つ管状アセンブリには適用されないことを明確にしています。この明確さは、テスト対象の選定において非常に重要で、利用者にとっての利便性を向上させています。 標準の適用範囲と明確なガイドラインにより、EN 12814-7:2024は、熱可塑性材料を利用した産業分野において、品質管理や材料強度評価のための重要な基準となっています。この標準の導入により、製造業者や研究者は、高品質な製品の実現に向けて効果的な手法を採用することができ、業界全体の信頼性を高めることが期待されます。
SIST EN 12814-7:2024 표준 문서는 열가소성 반제품의 용접 이음부 테스트에 대한 중요한 지침을 제공합니다. 이 문서의 범위는 주로 왜곡된 테스트 샘플을 사용하여 인장 테스트를 수행하는 방법과 샘플의 치수, 샘플링 기법 및 테스트 조건을 명확히 규정하고 있습니다. 이 표준의 강점 중 하나는 열가소성 재료로 제작된 용접 조립체의 성능을 평가할 수 있는 유연성을 제공한다는 점입니다. 왜곡된 샘플을 이용한 인장 테스트는 굽힘, 인장, 인장 크리프 및 매크로 테스트와 같은 다른 테스트와 병행하여 수행될 수 있으며, 이를 통해 용접 조립체의 전체적인 성능을 종합적으로 평가할 수 있습니다. 또한, 이 표준은 열가소성 재료로 제조된 필러 또는 필링이 없는 조립체에 적용 가능하지만, 보강재가 사용된 조립체에는 적용되지 않는다는 점을 분명히 하고 있습니다. 즉, 이 표준은 90mm 이하의 공칭 외경을 가진 관형 조립체에는 적용되지 않으므로, 특정 용도에 대해 매우 명확한 지침을 제공합니다. 결국, EN 12814-7:2024 표준은 열가소성 재료의 용접 이음부 신뢰성을 평가하는 데 필수적인 문서로, 용접 기술의 최적화를 위한 기초를 제공합니다. 이는 산업의 여러 측면에서 효율성과 안전성을 높일 수 있는 중요한 방법론을 제공합니다.
SIST EN 12814-7:2024は、熱可塑性半製品の溶接接合部をテストするための標準であり、その中でも特にウェイステッド試験片を用いた引張試験に関する詳細を規定しています。この標準の主な目的は、試験片の寸法、サンプリングの方法、試験片の準備、及び引張試験を実施するための条件を明確にすることにあります。 この標準の強みは、熱可塑性材料からなる溶接アセンブリの性能評価における柔軟性にあります。具体的には、ウェイステッド試験片を用いた引張試験は、他の試験(曲げ試験、引張試験、引張クリープ試験、マクロ試験など)と組み合わせて使用することで、溶接された構成品の総合的な評価を行うことができます。これにより、製品の信頼性と安全性を確保する上で重要な役割を果たします。 また、SIST EN 12814-7:2024は、熱可塑性材料で作られたコアキシャルまたはコプラナ加熱工具バット溶接アセンブリに適用可能であり、充填剤の有無に関わらず、強化されていない素材に焦点を当てています。この適用範囲は、様々な産業において一般的に用いられる熱可塑性材料の特性にマッチしており、実際の使用条件に基づいた試験が行えるようになっています。 ただし、外径が90mm未満の管状アセンブリには適用されない点も明記されており、この制約により、特定の用途での利用を避けることができます。このように、標準は対象範囲を明確にし、特定の用途に応じて有用な情報を提供しています。 全体として、SIST EN 12814-7:2024は、熱可塑性材料の溶接接合部に関する引張試験を行うための明確なガイドラインを提供し、業界標準としての重要性を持っています。これにより、製品開発や品質管理における信頼性を確保し、技術者や研究者にとって価値あるリソースとなっています。
Die Norm EN 12814-7:2024 bietet klar definierte Vorgaben für die Durchführung von Zugprüfungen an schmalen Prüfstücken aus thermoplastischen Halbzeugen. Sie legt die erforderlichen Dimensionen, die Probenahme-Methoden, die Vorbereitung der Prüfkörper sowie die Bedingungen für die Durchführung der Zugtests fest. Dies gewährleistet eine einheitliche und reproduzierbare Prüfung, die von großer Bedeutung für die Beurteilung der Schweißverbindungen dieser Materialien ist. Ein wesentlicher Vorteil der Norm ist die Möglichkeit, die Zugprobe mit anderen Prüfmethoden zu kombinieren. Dies umfasst neben der Zugprüfung auch Biege-, Kriech- und Makroprüfungen, wodurch ein umfassendes Bild der Leistungsfähigkeit der geschweißten Baugruppen aus thermoplastischen Materialien gewonnen werden kann. Insbesondere bei der Beurteilung von schräg oder plan verschweißten Bauteilen liefert diese Norm relevante Daten, um die Festigkeit und Verwendbarkeit der Verbindungen sicherzustellen. Die Norm ist präzise darauf ausgelegt, dass sie auf nicht verstärkte thermoplastische Materialien, sowohl gefüllt als auch ungefüllt, anwendbar ist. Dies fördert die Anwendung der Norm in verschiedenen Industrien, in denen thermoplastische Materialien eine Schlüsselrolle spielen, während sie gleichzeitig den Ausschluss von weniger relevanten Anwendungen wie z.B. bei Rohrverbindungen mit einem Außendurchmesser von weniger als 90 mm klar definiert. Insgesamt stärkt EN 12814-7:2024 die zuverlässige Bewertung geschweißter Kunststoffverbindungen und ist somit ein unverzichtbares Dokument für Ingenieure und Techniker, die in der Forschung, Entwicklung und Qualitätssicherung tätig sind. Die Norm trägt entscheidend zur Gewährleistung hoher Qualitätsstandards in der Produktion von thermoplastischen Bauteilen bei und fördert das Vertrauen in die Leistungsfähigkeit von geschweißten Baugruppen in verschiedenen Anwendungen.
La norme EN 12814-7:2024 offre des directives claires et précises concernant les méthodes d'essai des joints soudés des produits semi-finis en thermoplastique. Son champ d'application se concentre particulièrement sur le test de traction avec des éprouvettes effilées, permettant ainsi de procéder à une évaluation détaillée du facteur d'énergie de soudage en traction. Parmi les forces notables de cette norme, on trouve sa capacité à standardiser les dimensions, la méthode d'échantillonnage et la préparation des éprouvettes de test. Cela garantit une approche cohérente et reproductible pour réaliser des essais de traction dans des conditions définies, ce qui est essentiel pour le développement et l'assurance qualité des assemblages soudés en thermoplastiques. La norme EN 12814-7:2024 est particulièrement pertinente pour les assemblages soudés effectués par soudage à l'outil chauffé, qu'ils soient remplis ou non remplis de matière, et elle exclut explicitement les assemblages tubulaires de diamètre extérieur nominal inférieur à 90 mm, ce qui permet d'éviter toute confusion dans l'application des tests. Cette spécificité contribue à la fiabilité des résultats obtenus, tout en renforçant la qualité des matériaux thermoplastiques soumis à ces tests. Enfin, la possibilité d'utiliser le test de traction avec des éprouvettes effilées en conjunction d'autres types d'essais tels que les essais de flexion ou de fluage en traction souligne la polyvalence de cette norme, faisant d'elle un outil indispensable pour les ingénieurs et les professionnels de l'industrie souhaitant garantir la performance et la durabilité des assemblages en thermoplastiques.
The EN 12814-7:2024 standard offers a comprehensive framework for the testing of welded joints in thermoplastic semi-finished products, specifically through the tensile test utilizing waisted test specimens. This standard is crucial for organizations involved in the manufacturing and inspection of welded thermoplastics, as it provides clear specifications regarding dimensions, sampling methods, and specimen preparation. One of the significant strengths of this standard is its detailed description of the conditions necessary for conducting the tensile tests, which ensures consistency and reliability in the testing process. By establishing precise parameters, it facilitates comparative analysis across different laboratories and organizations, thereby enhancing the credibility of test results related to the tensile energy welding factor. Moreover, the relevance of EN 12814-7:2024 extends beyond mere compliance; it aids manufacturers in the comprehensive evaluation of welded assemblies made from thermoplastics, whether they are filled or unfilled materials. The standard’s allowance for correlation with other test types, such as bend and creep tests, enriches its applicability and offers a multifaceted approach to performance assessment. This integration of testing methods can significantly improve the overall quality control processes in production environments. Additionally, the specific exclusion of tubular assemblies with a nominal outside diameter of less than 90 mm helps focus the standard on its intended applications, minimizing ambiguities and enhancing the targeted utility of the tests. This clarity reinforces the document’s utility for engineers and quality assurance personnel tasked with ensuring the integrity of thermoplastic welds. In summary, EN 12814-7:2024 stands out for its well-defined scope and thorough guidance on testing methodologies, making it an essential standard for stakeholders in the thermoplastic welding sector seeking to uphold high performance and quality standards in their products.
La norme SIST EN 12814-7:2024 fournit des orientations précieuses concernant la réalisation de tests de traction sur des joints soudés de produits semi-finis en thermoplastiques. Son champ d'application est clairement défini, soulignant non seulement les dimensions et la méthode d'échantillonnage, mais aussi la préparation des spécimens de test et les conditions nécessaires à la réalisation des essais de traction avec des spécimens cintrés. Cela permet de déterminer le facteur d'énergie de soudage en traction, un élément essentiel pour évaluer la qualité et la fiabilité des assemblages soudés en thermoplastiques. Parmi ses forces, cette norme propose une méthode de test rigoureuse qui peut être intégrée à d'autres essais tels que des essais de flexion, de traction, de fluage en traction, et des essais macroscopiques, afin d'offrir une évaluation globale des performances des assemblages soudés. En tenant compte de la diversité des thermoplastiques, qu'ils soient remplis ou non, la norme s'avère particulièrement pertinente pour un large éventail d'applications industrielles. La spécification claire que le test est applicable uniquement aux assemblages soudés par buttage à outils chauffés, ainsi qu'à l'exclusion des assemblages tubulaires ayant un diamètre extérieur nominal de moins de 90 mm, montre la précision et la ciblage de cette norme. Cela garantit que les utilisateurs ont une compréhension précise des limites d'application, ce qui est crucial pour l'intégrité des tests réalisés. En somme, la norme SIST EN 12814-7:2024 constitue un outil essentiel pour les professionnels du secteur, en leur fournissant les méthodes et critères nécessaires pour garantir la qualité des joints soudés en thermoplastiques, tout en assurant la cohérence et la fiabilité des tests de traction associés.
The EN 12814-7:2024 standard provides a comprehensive framework for the testing of welded joints in thermoplastic semi-finished products, specifically focusing on the tensile test conducted with waisted test specimens. This document delineates essential parameters, including the specifications for dimensions, sampling methods, specimen preparation, and the conditions under which the tensile test should be performed. Such clarity enhances the reliability and repeatability of the tests across different laboratories and applications. One of the notable strengths of this standard is its detailed specification for waisted test specimens, which are critical for accurately determining the tensile energy welding factor. This factor is essential for evaluating the strength and durability of welded joints, particularly in thermoplastic materials. Furthermore, the standard's applicability to both filled and unfilled thermoplastics allows for a broad range of materials to be assessed, thereby enhancing its relevance in various industrial contexts. The standard also mentions its compatibility with other testing methods, such as bend tests and tensile creep tests, positioning it as a valuable part of a comprehensive testing strategy for assessing the performance of welded assemblies. This interconnected approach enables manufacturers and engineers to gain deeper insights into the mechanical properties of their products. Despite its robust framework, the EN 12814-7:2024 standard does limit its applicability to specific joint configurations-i.e., it is not intended for tubular assemblies with a nominal outside diameter of less than 90 mm. This restriction emphasizes the focus of the standard on certain thermoplastic welding applications, ensuring that it provides precise guidelines for the scenarios where it is most applicable. In summary, the EN 12814-7:2024 standard significantly contributes to the field of thermoplastic welding by offering clear methodologies for tensile testing. Its systematic approach to specimen specifications, test conditions, and result relevance underlines its importance for industry professionals engaged in the development and quality assurance of thermoplastic welded products.
Die Norm EN 12814-7:2024 bietet eine umfassende Regelung zur Durchführung von Zugversuchen an geschweißten Fugen von Halbzeugen aus Thermoplasten, wobei der Fokus auf der Verwendung von eingeschnürten Prüfstücken liegt. Der Umfang dieses Dokuments ist klar definiert und umfasst die erforderlichen Maße, die Probenahmeverfahren sowie die Bedingungen, unter denen die Zugprüfung durchzuführen ist. Ein herausragendes Merkmal dieser Norm ist ihre Fähigkeit, den Schweißenergiefaktor für Verbindungen zu bestimmen, was wesentlich für die Bewertung der Festigkeit und der Qualität geschweißter Baugruppen ist. Die Norm ist besonders relevant für die Industrie, da die Zugprüfung mit eingeschnürten Prüfstücken in Kombination mit anderen Prüfmethoden, wie Biege- und Kriechprüfungen, durchgeführt werden kann. Dies ermöglicht eine umfassende Beurteilung der Leistung von geschweißten Baugruppen, die aus ungefüllten oder gefüllten Thermoplasten bestehen. Die Beschränkung auf nicht verstärkte Materialien stellt sicher, dass die Norm spezifisch und zielgerichtet anwendbar ist, was die Qualität und Konsistenz der Testergebnisse verbessert. Ein weiterer positiver Aspekt ist, dass die Norm die Anwendung bei koaxialen oder coplanaren Werkzeugschweißverbindungen klar festlegt. Die EN 12814-7:2024 ist somit eine essentielle Norm für die Qualitätskontrolle und die Validierung von Schweißverbindungen in der Kunststoffverarbeitung, die sich durch ihren strukturierten Ansatz und ihre klare Fokussierung auf relevante Testmethoden auszeichnet. Sie ist ein unverzichtbares Instrument für Fachleute, die sicherstellen möchten, dass ihre geschweißten Produkte höchsten Standards entsprechen.
SIST EN 12814-7:2024 문서는 열가소성 반제품의 용접 조인트 테스트를 위한 표준화 문서로, 특히 허리형 시험편을 이용한 인장 테스트에 초점을 맞추고 있습니다. 이 표준의 주요 범위는 테스트 샘플의 치수, 샘플링 방법, 시험편 준비 및 테스트 수행 조건을 명확하게 규정하고 있어, 인장 에너지 용접 요인을 결정하는 데 필요한 일관된 접근 방식을 제공합니다. 문서에서 제시하는 허리형 시험편을 이용한 인장 테스트는 열가소성 재료로 만들어진 용접 조립체의 성능을 평가하는 데 매우 유용합니다. 이 표준은 인장 외에도 굽힘 및 인장 크리프 테스트와 같이 다른 테스트와 병행하여 사용할 수 있어, 용접 성능에 대한 포괄적이고 신뢰할 수 있는 평가가 가능합니다. 이는 모든 열가소성 재료, 충전재 유무에 관계없이 적용 가능하지만, 보강재가 없는 경우에 한정됩니다. 또한, 이 표준은 용접 조립체의 종류에 대해서도 명확한 지침을 제공하여, 동축 또는 평면 가열 도구를 사용한 용접 조립체에 적합합니다. 하지만 외경이 90mm보다 작은 튜브형 조립체에는 적용되지 않으므로, 사용자가 이 점을 충분히 인지하고 적용할 필요가 있습니다. SIST EN 12814-7:2024 표준은 열가소성 물질을 사용하는 산업에서의 품질 보증 및 성능 검증에 필수적인 문서로, 용접 조인트의 테스트 과정에서의 신뢰성을 높이는 데 기여합니다. 이러한 기준은 열가소성 재료의 응용 분야에서의 연구 및 개발에 긍정적인 영향을 미치며, 향후 더 높은 수준의 품질 관리와 성능 검증을 위한 토대가 될 것입니다.










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