DEUTSCHE NORM December 2000 - Model-r.ru
DEUTSCHE NORMICs 01.040.01 ; 01.1 00.20December 2000Supersedes DIN 6784,February 1982 edition.Technische Zeichnungen - Werkstückkanten mit unbestimmter Form Begriffe und Zeichnungsangaben (IS0 13715 : 2000)This standard incorporates International StandardIS0 13715 Technical drawings - Edges of undefined shape -Vocabulary and indications.A comma is used as the decimal marker.National forewordThis standard has been prepared by ISO/TC 1O ‘Technical drawings, product definition and relateddocumentation’, SC 6 ‘Mechanical engineering documentation’.The responsible German body involved in its preparation was the Normenausschuss Technische Grundlagen(Fundamentals in Technology Standards Committee), Technical Committee Technisches Zeichnen.The DIN Standards corresponding to the International Standards referred to in clause 2 of the IS0 Standardare as follows:IS0 StandardIS0 128-20IS0 128-22IS0 129-1IS0 3098-0IS0 81714-1DIN Standard(s)DIN IS0 128-20DIN IS0 128-22DIN 406-1 O, DIN 406-1 1, and DIN IS0 129-1*)DIN EN IS0 3098-0DIN EN IS0 81 714-1AmendmentsDIN 6784, February 1982 edition, has been superseded by the specifications of DIN IS0 13715.Previous editionsDIN 6784: 1975-09, 1982-02.National Annex NAStandards referred to(and not included in Normative references)DIN 406-1 OEngineering drawing practice - Dimensioning - Concepts and general principlesDIN 406-1 1Engineering drawing practice - Dimensioning - Principles of applicationDIN EN IS0 3098-0 Technical product documentation - Lettering - Part O: General requirements(IS0 3098-0 : 1997)DIN EN IS0 81 714-1 Design of graphical symbols for use in the technical documentation of products Part 1: Basic rules (IS0 81714-1 : 1999)Technical drawings - General principles of presentation - Part 20: Basic conventionsDIN IS0 128-20for lines (IS0 128-20 : 1996)Technical drawings - General principles of presentation - Part 22: Basic conventionsDIN IS0 128-22and applications for leader lines and reference lines (IS0 128-22 : 1999)*) Currently at draft stage.IS0 Standard comprises 15 pages.No pari of this standard may be reproduced without the prior permission ofY Deutsches Institut für Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,s the exclusive right of sale for German Standards (DIN-Normen).COPYRIGHT DIN DEUTSCHES Institut Fur Normung E.V.- Englishwww.bzxzw.comLicensed by Information Handling ServicesRef. No. DIN IS0 13715 : 2000-1English price group O9Sales No. 040905.01
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Page 1IS0 13715 : 2000Technical drawingsEdges of undefined shape -Vocabulary and indicationsContentsPageForeword.2Introduction .2Scope .3Normative references .3Terms and definitions . 3Indications on drawings. 6Examples . 11Annex A (normative) Proportions and dimensions of graphical symbols .13Annex B (informative) Recommended edge sizes .14Annex C (informative) Relations between part edges and corners .15COPYRIGHT DIN DEUTSCHES Institut Fur Normung E.V.- Englishwww.bzxzw.comLicensed by Information Handling Services
Page 2IS0 13715 : 2000I S 0 (the International Organization for Standardization) is a worldwide federation of national standards bodies (IS0member bodies). The work of preparing International Standards is normally carried out through IS0 technicalcommittees. Each member body interested in a subject for which a technical committee has been established hasthe right to be represented on that committee. International organizations, governmental and non-governmental, inliaison with ISO, also take part in the work. IS0 collaborates closely with the International ElectrotechnicalCommission (IEC) on all matters of electrotechnical standardization.International Standards are drafted in accordance with the rules given in the ISOAEC Directives, Part 3Draft International Standards adopted by the technical committees are circulated to the member bodies for voting.Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote.Attention is drawn to the possibility that some of the elements of this International Standard may be the subject ofpatent rights. I S 0 shall not be held responsible for identifying any or all such patent rights.International Standard I S 0 13715 was prepared by Technical Committee ISO/TC 1O, Technical drawings, productdefinition and related documentation, Subcommittee SC 6, Mechanical engineering documentation.This second edition cancels and replaces the first edition (IS0 13715:1994), which has been technically revised.Annex A forms a normative part of this International Standard. Annexes B and C are for information only.IntroductionIn technical drawings, the ideal geometric shape is represented without any deviation and, in general, withoutconsideration of the states of the edges. Nevertheless, for many purposes (the functioning of a part, or out of safetyconsiderations, for example) particular states of edges need to be indicated. Such states include those of externaledges free from burr, sharp edges or those with a burr of limited size, and internal edges with a passing. Inprinciple, all the edges of a part should be produced in their requisite states. In practice, unless those states arespecified in the technical drawing or related documentation, the part will be delivered direct from the machinewithout the required treatment.This International Standard is aimed at enabling this situation to be avoided, through specification of guidelines forthe indication and graphic representation of the states of edges in technical drawings.COPYRIGHT DIN DEUTSCHES Institut Fur Normung E.V.- Englishwww.bzxzw.comLicensed by Information Handling Services-- , ,,,,, ,,,, ,, ,, ,- - ,, ,, , ,, ---Foreword
Page 3IS0 13715 : 20001ScopeThis International Standard defines the terms defining the states of edges and specifies rules for representingstates of edges of undefined shape in technical drawings.The proportions and dimensions of the graphical symbols to be used are also specified.In cases where the geometrically defined shape of an edge (1 x 45", for example) is required, the generaldimensioning principles given in I S 0 129-1 apply.2Normative referencesThe following normative documents contain provisions which, through reference in this text, constitute provisions ofthis International Standard. For dated references, subsequent amendments to, or revisions of, any of thesepublications do not apply. However, parties to agreements based on this International Standard are encouraged toinvestigate the possibility of applying the most recent editions of the normative documents indicated below. Forundated references, the latest edition of the normative document referred to applies. Members of IS0 and IECmaintain registers of currently valid International Standards.IS0 128-20, Technical drawings - General principles of presentation - Part 20: Basic conventions for lines.IS0 128-22, Technical drawings - General principles of presentationapplications for leader lines and reference lines.-' 1, Technical drawingsIS0 129-1- Part 22: Basic conventions and- Indication of dimensions and tolerances - Part 1: General principles.I S 0 3098-0:1997, Technicalproduct documentation - Lettering - Part O: General requirements.IS0 81 714-1 :1999, Design of graphical symbols for use in the technical documentation of products - Part I: Basicrules.3Terms and definitionsFor the purposes of this International Standard, the following terms and definitions apply3.1edgeintersection of two surfacesNOTESee annex C for further information.1) To be published. (Partial revision of I S 0 129:1985)COPYRIGHT DIN DEUTSCHES Institut Fur Normung E.V.- Englishwww.bzxzw.comLicensed by Information Handling Services
Page 4IS0 13715 : 20003.2state of an edgegeometrical shape and size of an edge3.3edge of undefined shapeedge with a shape that is not specified precisely3.4sharp edgeexternal or internal edge of a part with almost zero deviation from the ideal geometrical shapeNOTEExamples are presented in Figures 1 and 23.5burrrough remainder of material outside the ideal geometrical shape of an external edge, residue of machining or of aforming processNOTEExamples are presented in Figures 1 and 3.3.6undercutdeviation inside the ideal geometrical shape of an internal edgeNOTEExamples are presented in Figures 1 , 2, 4 and 5.3.7passingdeviation outside the ideal geometrical shape of an internal edgeNOTEExampies are presented in Figures 2 and 6.12Keyi23Size of undercutSize of sharp edgeSize of burrFigure 1 - States of an external edge-- , ,,,,, ,,,, ,, ,, ,- - ,, ,, , ,, ---COPYRIGHT DIN DEUTSCHES Institut Fur Normung E.V.- EnglishLicensed by Information Handling Services
Page 5IS0 13715 : 20002Key123Size of undercutSize of sharp edgeSize of passingFigure 2 - States of an internal edgeOis the size of the burrFigure 3 - Examples of burrnis the size of the undercutFigure 4 - Examples of undercut at an external edgeCIis the size of the undercutFigure 5 - Examples of undercut at an internal edgeCOPYRIGHT DIN DEUTSCHES Institut Fur Normung E.V.- EnglishLicensed by Information Handling Services
Page 6IS0 13715 : 2000CIis the size of the passingFigure 6 - Examples of passing4indications on drawings4.1Basic symbolThe state of the edges of a part shall be indicated by the basic graphical symbol shown in Figure7.Complementary indications shall be placed in the areas al, a2 or a3 defined in Figure A.l. The length and directionof the leader line may be adapted to suit the characteristics of the drawing (see, for example, Figure 14).Rules for drafting the basic symbol are given in annex A.Figure 7 - Basic symbol4.2Location of the basic symbolThe indications concerning edges of undefined shape shall be given as:- an individual indication for a single edge;- individual indications for all edges around the represented profile of a part;-collective indications common to all or the majority of a part's edges.Individual indications are immediately assigned to a line (e.g. visible outlines, areas with specific treatment orextension lines), or to a point representing an edge parallel with, or vertical to, the projection plane (see Figures 14to 16).Collective indications are indicated only once for all the common edges and are located near the representation ofthe pari or near the title block (see Figures 17 to 21).4.3Shape of edgesThe shape of an edge shall be indicated in the area al (defined in Figure A . I ) , beside the basic symbol, by theelement (plus), - (minus) or k (plus or minus), in accordance with Table 1 (see Figures 8 to 10).COPYRIGHT DIN DEUTSCHES Institut Fur Normung E.V.- EnglishLicensed by Information Handling Services-- , ,,,,, ,,,, ,, ,, ,- - ,, ,, , ,, ---NOTE
Page 7IS0 13715 : 2000The symbol element (plus) indicates permitted excess material in relation to the ideal shape of the edge: ¡.e. burron external and passing on internal edges. The element - (minus) indicates required material removal in relation tothe ideal shape of the edge: ¡.e. undercut of external and internal edges. Neither a burr's or undercut's direction norits size is specified by a single symbol element.The deviation from ideal shape can be controlled by indicating the direction of burr and undercut (see 4.4) and thesize (see 4.5).k0,3rFigure 8 - Symbol element IPFigure 9 - Symbol element tIi/Figure I O - Symbol element -Symbol element4.4External edgeInternal edge Burr permitted;undercut not permittedPassing permitted;undercut not permitted-Undercut required;burr not permittedUndercut required;passing not permittedIaBurr or undercut permittedUndercut or passing permittedDirection of burr or undercutWherever indication of the permitted direction of burr on an external edge or undercut an an internal edge isneeded, the indication of size shall be given in the area a2 or a3 (as defined in FigureA.l), accordingly (seeFigures 1 1 and 12). Indication of the direction of the undercut on an external, or passing on an internal, edge is notpermitted.Figure 11 - Direction of the burr on an external edgeCOPYRIGHT DIN DEUTSCHES Institut Fur Normung E.V.- EnglishLicensed by Information Handling Services
Page 8IS0 13715 : 2000Figure 12 - Direction of the undercut on an internal edgeSizes of edges4.5Recommended edge sizes are presented in annex B.Whenever the specification of an upper and lower limit deviation for the size of an edge is necessary, both valuesshall be indicated, with the upper limit deviation placed above the lower limit deviation, following the symbolelements or - [see Figure 13 a) to d)]. When a particular direction of burr or undercut is required, the indicationshall be positioned accordingly (4.4). The indicated limit deviations correspond to the maximum and minimumdimensions, respectively.When a single limit for the size of an edge is specified (for examples, see Figures 11, 12 and 15), the second limitdeviation is the value O (zero).Figure 13 - Examples of edge sizesMeaning of indications on the drawing4.64.6.1The following may be indicated:- an edge vertical to the projection plane (see Figure 14, front view);-an edge of a feature, such as a hole (see Figure 14, section);-the edges of the front and the back, if only one view is represented and the outlines of both front and back arethe same (see Figures 15 and 16);-all edges around the profile of a part represented on the drawing, if the symbol element “circle” is added to thebasic symbol (see Figure 15). In the case of ambiguity, this indication may be used at corners.-- , ,,,,, ,,,, ,, ,, ,- - ,, ,, , ,, ---COPYRIGHT DIN DEUTSCHES Institut Fur Normung E.V.- EnglishLicensed by Information Handling Services
Page 9IS0 13715 : 2000The “circle” element shall not be used in sectional representations. For further information concerning theapplication of this symbol element, see IS0 128-22.Figure 15- States of all edges around the profile of a part4.6.2 The graphical symbol indication and the specification shall be represented in such a way that they can beread from the bottom of the drawing.4.6.3 A state of edge valid only for the prescribed length of an edge shall be indicated with the correspondingdimension and be represented by a long-dashed and dotted line (see I S 0 128-20:1996, line type 04) (seeFigure 16).Figure 16 - States of edges valid only for a prescribed edge length4.6.4When the requirement for the state of an edge is common to all the edges of a part, one collectiveindication at the appropriate position on the drawing (near the representation or the title block, as in Figure 17) willCOPYRIGHT DIN DEUTSCHES Institut Fur Normung E.V.- EnglishLicensed by Information Handling Services-- , ,,,,, ,,,, ,, ,, ,- - ,, ,, , ,, ---Figure 14 - States of edge vertical to the projection plane and of a feature
Page 10IS0 13715 : 2000suffice. Collective indications of states common to only external or internal edges shall be indicated in accordancewith Figure 18 and Figure 19, respectively.Figure 17 - State of edge common to all the edges of a partp , 5Figure 18 - State of edge common to external edges onlyPFigure 19 - State of edge common to internal edges only4.6.5If it is necessary to emphasize in a collective indication that another state of edge is present elsewhere onthe drawing, an additional indication in parentheses is given at right of the collective indication [see Figure 20 a)and b)].Figure 20 - Additional states of edges in the context of a collective indicationFor purposes of simplification, if more than one other state of edge is present, only the basic symbol shall appear inparentheses at right of the collective indication (see Figure 21).Figure 21 - Simplified representation of an additional state of edge in the context of a collective indication-- , ,,,,, ,,,, ,, ,, ,- - ,, ,, , ,, ---COPYRIGHT DIN DEUTSCHES Institut Fur Normung E.V.- EnglishLicensed by Information Handling Services
Page 11IS0 13715 : 20004.7Reference to this International StandardIt is recommended that reference be made to this International Standard - either within or near the title block, andin the manner shown by Figure 22.Figure 22 - Reference to this International Standard5ExamplesSee Table 2.Table 2 - Examples of indications of edgesNo.-IndicationMeanina 5.1-5.2-External edge with burr acceptableup to 0,3 rnrn; burr directionundefined& 0,35.35.45.7External edge with acceptable burr;size and direction of burr undefinedExternal edge with burr acceptableup to 0,3mm; burr direction definedL 0,375.55.6ExplanationExternal edge without burr; undercutup to 0,3 mm-0.1b,5E External edge without burr; undercutin the zone from 0,l mm to 0.5 mm#t External edge without burr; undercutacceptable, size undefined-- , ,,,,, ,,,, ,, ,, ,- - ,, ,, , ,, ---COPYRIGHT DIN DEUTSCHES Institut Fur Normung E.V.- EnglishLicensed by Information Handling Services
Page 12IS0 13715 : 2000Table 2 (continued)indicationExplanation/E? 0,3@,IExternal edge with burr acceptableup to 0,05 rnm or undercut down to0,05 rnm (sharp edge); burr directioiundefinedExternaledge with burr acceptableup to 0,3 mm or with undercut downto 0,l mrn; burr direction undefinedInternal edge with undercutacceptable down to 0,3 rnm;undercut direction undefinedInternal edge with undercutacceptable in the zone from0,l mrn to 0,5 mrn; undercutdirection undefined-0,lp.5Internal edge with undercutacceptable down to 0,3 mrn;undercut direction definedInternal edge with passingacceptable up to 0,3 rnrnInternal edge with passingacceptable in the zone of from0,3 mm to 1 mrnInternal edge with undercutacceptable down to 0,05 mm orpassing acceptable up to 0,05 mm(sharp edge); undercut directionundefinede 0,1b , 3-- , ,,,,, ,,,, ,, ,, ,- - ,, ,, , ,, ---COPYRIGHT DIN DEUTSCHES Institut Fur Normung E.V.- EnglishLicensed by Information Handling ServicesInternal edge with passingacceptable up to 0,l mrn or undercuacceptable down to 0,3 rnrn;undercut direction undefined
Page 13IS0 13715 : 2000Annex A(normative)Proportions and dimensions of graphical symbolsA.l General requirementsIn order to harmonize the size of the graphical symbols specified in this International Standard with that of the otherindications on the drawing (dimensions, tolerances, etc.) observe the rules prescribed in IS0 81714-1.Lettering shall be of the same height and line width as that used for dimensioning. The distance between linesshould be twice the line width.A.2 ProportionsThe graphical symbols and the additional indications in the areas al to a3 shall be draughted in accordance
DIN EN IS0 3098-0 DIN EN IS0 81 71 4-1 Amendments DIN 6784, February 1982 edition, has been superseded by the specifications of DIN IS0 13715. Previous editions DIN 6784: 1975-09, 1982-02. National Annex NA Standards referred to (and not included in Normative references) DIN 406-1 O DIN 406-1 1
Figure 5-6 Deutsche Post: Revenues (group and company data) 59 Figure 5-7 Deutsche Post: Expenses (group and company data) 60 Figure 5-8 Deutsche Post DHL: Profitability 61 Figure 5-9 Deutsche Post DHL and Deutsche Post
458 T. T. CAI, W. LIU AND H. H. ZHOU k n1/2(logp) 3/2 under the matrix w norm for all 1 w .The commonly used spectral norm coincides with the matrix 2 norm. For a symmetric matrix A, it is known that the spectral norm A 2 is equal to the largest magnitude of eigen- values of A.Whenw 1, the matrix 1 norm is simply the ma
appropriately for m-vectors and n-vectors, the function kk: Rm n!R de ned by kAk sup x6 0 kAxk kxk max kxk 1 kAxk is a matrix norm. It is called the natural, or induced, matrix norm. Furthermore, if the vector norm is a ‘ p-norm, then the induced matrix norm satis es the submultiplicative property. The following matrix norms are of .File Size: 239KB
The International Norm Context 9 2.1. Definition of a Norm 9 2.2. The Norm of Sustainability 12 2.3. International Relations Theories and Norms 13 2.4. The Life Cycle of a Norm and the Ecological Footprint 14 . , Inter
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Deutsche Bank List of Prices and Services of Deutsche Bank AG Deutsche Bank AG Valid as of 1 October 2021 This document is a convenience translation of the German original. In case of discrepancy between the English and the German versions, the German version shall prevail. 2
