SIST EN 3848:2002
(Main)Aerospace series - Semi-finished metallic products - Methods of measuring form deviations
Aerospace series - Semi-finished metallic products - Methods of measuring form deviations
This standard specifies the methods of measuring deviations from the nominal form of semi-finished metallic products for aerospace applications.
This standard does not apply to:
- extruded sections: see EN 2066;
- folded sections: see EN 2065
Luft- und Raumfahrt - Metallisches Halbzeug - Messverfahren für Formabweichungen
Diese Norm legt die Verfahren zum Messen der Abweichungen von der Soll Form von metallischem Halbzeug für Anwendungen in der Luft- und Raumfahrt fest.
Diese Norm gilt nicht für:
Strangpressprofile: siehe EN 2066;
Gebogene Blechprofile: siehe EN 2065.
Série aérospatiale - Demi-produits métalliques - Méthodes de mesure des défauts de forme
Aerospace series - Semi-finished metallic products - Methods of measuring form deviations
General Information
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Aerospace series - Semi-finished metallic products - Methods of measuring form deviationsLuft- und Raumfahrt - Metallisches Halbzeug - Messverfahren für FormabweichungenSérie aérospatiale - Demi-produits métalliques - Méthodes de mesure des défauts de formeAerospace series - Semi-finished metallic products - Methods of measuring form deviations49.035Sestavni deli za letalsko in vesoljsko gradnjoComponents for aerospace constructionICS:Ta slovenski standard je istoveten z:EN 3848:2001SIST EN 3848:2002en01-januar-2002SIST EN 3848:2002SLOVENSKI
STANDARD
SIST EN 3848:2002
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 3848September 2001ICS 49.035English versionAerospace series - Semi-finished metallic products - Methods ofmeasuring form deviationsSérie aérospatiale - Demi-produits métalliques - Méthodesde measure des défauts de formeLuft- und Raumfahrt - Metallisches Halbzeug -Meßverfahren für FormabweichungenThis European Standard was approved by CEN on 2 May 2001.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the 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 translationunder the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2001 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 3848:2001 ESIST EN 3848:2002
EN 3848:2001 (E)2ForewordThis European Standard has been prepared by the European Association of Aerospace Manufacturers(AECMA).After inquiries and votes carried out in accordance with the rules of this Association, this Standard hasreceived the approval of the National Associations and the Official Services of the member countries ofAECMA, prior to its presentation to CEN.This European Standard shall be given the status of a national standard, either by publication of an identicaltext or by endorsement, at the latest by March 2002, and conflicting national standards shall be withdrawn atthe latest by March 2002.According to the CEN/CENELEC Internal Regulations, the national standards organizations of the followingcountries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark,Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal,Spain, Sweden, Switzerland and the United Kingdom.SIST EN 3848:2002
EN 3848:2001 (E)31ScopeThis standard specifies the methods of measuring deviations from the nominal form of semi-finished metallicproducts for aerospace applications.This standard does not apply to:–extruded sections: see EN 2066;–folded sections: see EN 2065.2Normative referencesThis European Standard incorporates by dated or undated reference provisions from other publications.These normative references are cited at the appropriate places in the text and the publications are listedhereafter. For dated references, subsequent amendments to or revisions of any of these publications apply tothis European Standard only when incorporated in it by amendment or revision. For undated references thelatest edition of the publication referred to applies.EN 2065Folded profiles - Aluminium alloys - General tolerances - Aerospace seriesEN 2066Aerospace series - Extruded sections in aluminium alloys - General tolerancesISO 1101Technical drawings, geometrical tolerancing; tolerances of form, orientation, location andrunout; generalities, definitions, symbols of drawings3Measuring conditionThe dimensions shall be measured using measuring instruments which are of the accuracy required by thedimensions and the dimensional tolerances.All dimensions shall be checked at the ambient temperature of the workshop or laboratory, and, in the eventof dispute, at a temperature between 15 °C and 25 °C.Surface plates used for the measurement of form deviations shall be flat to within
1 % of the requisiteproduct form deviation being measured.4Sheet and plate4.1SquarenessThe squareness deviation shall be measured as the difference in length of diagonals AA and BB as shown infigure 1.4.2Lateral curvatureThe la
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