SIST EN 4408-006:2005
(Main)Aerospace series - Technical drawings - Representation of parts made of composite materials - Part 6: Preforms
Aerospace series - Technical drawings - Representation of parts made of composite materials - Part 6: Preforms
This standard specifies the rules for the representation of preforms of composite materials as well as the information to be indicated in the technical drawings.
It is applicable to aerospace structures using preforms.
It shall be used together with EN 4408-1.
Luft- und Raumfahrt - Technische Zeichnungen - Darstellung von Teilen aus Verbundwerkstoffen - Teil 6: Vorformen
Diese Norm legt die Regeln für die Darstellung von Vorformen von Verbundwerkstoffen, sowie die Informationen, die auf den technischen Zeichnungen angegeben werden müssen, fest.
Sie kommt auf in der Luft- und Raumfahrtstrukturen, in denen Vorformen eingesetzt werden, zur Anwendung.
Sie muss zusammen mit EN 4408 001 verwendet werden.
Série aérospatiale - Dessins techniques - Représentation des articles en matériaux composites - Partie 6 : Préformes
Aeronavtika – Tehniške risbe – Prikaz delov, izdelanih iz kompozitov – 6. del: Predhodne oblike
General Information
- Status
- Published
- Publication Date
- 31-Aug-2005
- Technical Committee
- SS SPL - Technical Board for the general field
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 01-Sep-2005
- Due Date
- 01-Sep-2005
- Completion Date
- 01-Sep-2005
Relations
- Effective Date
- 28-Jan-2026
Overview
SIST EN 4408-006:2005 is a European standard from the Aerospace series that specifies the rules for technical drawings representing preforms of composite materials. Preforms, as addressed by this standard, refer to the shapes or configurations created from composite materials before the final composite part is manufactured. This document guides aerospace engineers, designers, and technical drafters in accurately depicting preforms in engineering drawings to ensure consistency and clarity throughout the aerospace industry.
The standard applies to aerospace structures where composite material preforms are used and must be utilized together with EN 4408-001 which covers general rules for representing composite parts in technical drawings.
Key Topics
- Representation of Composite Preforms: Defines how to visually and technically represent different types of preforms (e.g., multilayers, rosettes, braids, woven and cowoven parts) in technical drawings.
- Drawing Requirements: Specifies the critical information to include in engineering drawings, such as dimensional parameters, cross-sections, and material notes.
- Types of Preforms:
- 2.5D Multilayers: Includes number of layers, thread orientation, and motif repetition.
- Rosettes: Captures features such as outside/inside diameter, thickness, and spiral angle.
- nDs: Focuses on multi-directional reinforcement and appropriate cross-sectional views.
- Braids and Cowoven Fabrics: Details for manufacturing, including braiding angles and area identification.
- Standardization of Symbols: Ensures uniform use of symbols and notations for processes such as weaving, coweaving, and braiding.
Applications
SIST EN 4408-006:2005 is essential in the following contexts:
- Aerospace Engineering and Manufacturing: Streamlines communication between engineers, designers, and manufacturers when dealing with complex composite components.
- Technical Drawing Preparation: Provides aerospace drafters and CAD specialists with standardized graphics and annotations, reducing errors and ambiguity for composite material preforms.
- Design Review and Verification: Facilitates the review process by ensuring all necessary details about composite preforms are accurately and consistently depicted.
- Documentation Compliance: Helps organizations meet ISO and EN requirements for product drawings, which is critical for certification, production, and international collaboration.
By following this standard, aerospace companies can achieve better quality assurance, reduce misinterpretation risks, and foster interoperability among supply chain partners.
Related Standards
To ensure comprehensive and consistent technical documentation for composite aerospace parts, SIST EN 4408-006:2005 should be used alongside the following related standards:
- EN 4408-001: Aerospace series - Technical drawings - Representation of parts made of composite materials - Part 1: General rules
- EN 4408-002: Part 2: Laminated parts
- EN 4408-003: Part 3: Parts including core materials
- EN 4408-004: Part 4: Items obtained by winding
- EN 4408-005: Part 5: Seams
Utilizing this set of standards supports best practices for composite material documentation in aerospace, ensuring all aspects of design and manufacturing are clearly communicated and internationally recognized.
Summary
SIST EN 4408-006:2005 provides a standardized approach to representing preforms made of composite materials in aerospace technical drawings. By detailing drawing conventions, specifying essential information, and referencing complementary standards, it ensures clear, precise communication crucial for aerospace engineering, manufacturing, and compliance within the global industry.
Get Certified
Connect with accredited certification bodies for this standard
BSI Group
BSI (British Standards Institution) is the business standards company that helps organizations make excellence a habit.
Bureau Veritas
Bureau Veritas is a world leader in laboratory testing, inspection and certification services.
DNV
DNV is an independent assurance and risk management provider.
Sponsored listings
Frequently Asked Questions
SIST EN 4408-006:2005 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Aerospace series - Technical drawings - Representation of parts made of composite materials - Part 6: Preforms". This standard covers: This standard specifies the rules for the representation of preforms of composite materials as well as the information to be indicated in the technical drawings. It is applicable to aerospace structures using preforms. It shall be used together with EN 4408-1.
This standard specifies the rules for the representation of preforms of composite materials as well as the information to be indicated in the technical drawings. It is applicable to aerospace structures using preforms. It shall be used together with EN 4408-1.
SIST EN 4408-006:2005 is classified under the following ICS (International Classification for Standards) categories: 01.100.99 - Other standards related to technical drawings; 49.020 - Aircraft and space vehicles in general. The ICS classification helps identify the subject area and facilitates finding related standards.
SIST EN 4408-006:2005 has the following relationships with other standards: It is inter standard links to SIST EN 4408-001:2005. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
SIST EN 4408-006:2005 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
SLOVENSKI STANDARD
01-september-2005
Aeronavtika – Tehniške risbe – Prikaz delov, izdelanih iz kompozitov – 6. del:
Predhodne oblike
Aerospace series - Technical drawings - Representation of parts made of composite
materials - Part 6: Preforms
Luft- und Raumfahrt - Technische Zeichnungen - Darstellung von Teilen aus
Verbundwerkstoffen - Teil 6: Vorformen
Série aérospatiale - Dessins techniques - Représentation des articles en matériaux
composites - Partie 6 : Préformes
Ta slovenski standard je istoveten z: EN 4408-006:2005
ICS:
01.100.99 'UXJLVWDQGDUGLY]YH]LV Other standards related to
WHKQLþQLPULVDQMHP technical drawings
49.020 Letala in vesoljska vozila na Aircraft and space vehicles in
splošno general
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD
EN 4408-006
NORME EUROPÉENNE
EUROPÄISCHE NORM
May 2005
ICS 01.100.99; 49.020
English version
Aerospace series - Technical drawings - Representation of parts
made of composite materials - Part 6: Preforms
Série aérospatiale - Dessins techniques - Représentation Luft- und Raumfahrt - Technische Zeichnungen -
des articles en matériaux composites - Partie 6 : Préformes Darstellung von Teilen aus Verbundwerkstoffen - Teil 6:
Vorformen
This European Standard was approved by CEN on 15 July 2004.
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 Central Secretariat 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 Central Secretariat has the same status as the official
versions.
CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,
Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia,
Slovenia, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36 B-1050 Brussels
© 2005 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 4408-006:2005: E
worldwide for CEN national Members.
Contents Page
Foreword .3
1 Scope.4
2 Normative references.4
3 Terms and definitions.4
4 Representation of preforms on drawings .5
4.1 Representation of 2,5 D multilayers .5
4.2 Representation of rosettes.6
4.3 Representation of nDs.7
4.4 Representation of braids.7
4.5 Representation of woven and cowoven parts .9
Annex A (informative) Example of the representation of 2,5 D weaving.10
Bibliography.12
Foreword
This document (EN 4408-006:2005) has been prepared by the European Association of Aerospace
Manufacturers - Standardization (AECMA-STAN).
After enquiries and votes carried out in accordance with the rules of this Association, this Standard has
received the approval of the National Associations and the Official Services of the member countries of
AECMA, prior to its presentation to CEN.
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 November 2005, and conflicting national standards shall be withdrawn
at the latest by November 2005.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. CEN [and/or CENELEC] 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, Cyprus, Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland
and the United Kingdom.
1 Scope
This standard specifies the rules for the representation of preforms of composite materials as well as the
information to be indicated in the technical drawings.
It is applicable to aerospace structures using preforms.
It shall be used together with EN 4408-001.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated
references, only the edition cited applies. For undated references, the latest edition of the referenced
document (including any amendments) applies.
EN 4408-001, Aerospace series – Technical drawings – Representation of parts made of composite materials
– Part 1: General rules.
3 Terms and definitions
For the purposes of this document, the terms and definitions given in EN 4408-001 and the following apply.
3.1
braided
tubular or plane shape obtained by a balance intertwining of continuous threads
3.2
braided into shape
braided with a mandrel
3.3
cowoven (hybrid fabric)
fabric made of different types of threads (e.g. carbon/aramid hybrid fabric)
3.4
cowoven into shape
woven into shape and made of different types of threads
3.5
level
elementary structure of one layer in the weft or warp direction
3.6
multilayer (2,5 D)
fabric the weft threads of which cross several levels of warp but not all of them
3.7
nD
oriented multidirectional reinforcement (industrial copyright)
3.8
preform
name given to different stage of all part of the item prior to obtaining the required composite material
SIST EN 4408
...