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VW_01054_EN.pdf

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Group standard VW 01054 Issue 2016-01 Class. No.: 02245 Descriptors: dimensioning, dimension line, extension line, dimension line limiting, reference line, dimension figure,
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  Group standard VW 01054 Issue 2016-01 Class. No.:02245Descriptors:dimensioning, dimension line, extension line, dimension line limiting, reference line, dimension figure,parenthesized dimension, tube bend, hole spacing, radian measure, cone dimension, taper, inclination,equal spacing tolerance, dimension, envelope requirement, envelope principle, independency principle,tolerancing principle Drawings Dimensioning and Tolerancing; Envelope Requirement and IndependencyPrinciple Preface Effective starting with this issue, the envelope requirement for sizes that previously applied by de‐fault in all cases (the tolerancing principle as per Volkswagen standard VW 01054) is no longer the only option for new drawings (i.e., drawings drafted after this standard's date of publication), asthis issue introduces the independency principle as an alternative. This means that, for every newdrawing, it is necessary to choose either the envelope requirement or the independency principleand enter it into the title block. See section 3 and section 4 for details. Previous issues VW 01054: 1975-07, 1990-03, 1998-10, 2005-09, 2009-02, 2011-03, 2012-02 Changes The following changes have been made to VW 01054: 2012-02: –Standard title expanded –Standard revised; new sections added and new outline defined –Technical responsibility changed –Preface added –Section 1 Scope changed –Section 2 General dimensioning and tolerancing rules added –Section 3 General applicability of envelope requirement and independency principle added –Section 4 Envelope requirement and independency principle tolerancing types for Volks‐wagen Group drawings added Always use the latest version of this standard.This electronically generated standard is authentic and valid without signature.The English translation is believed to be accurate. In case of discrepancies, the German version is alone authoritative and controlling. Page 1 of 71 Technical responsibilityThe Standards departmentEKDV/4Dr.-Ing. Norbert WislaTel.: +49 5361 9 23370EKDV/4 Norbert WislaEKDVTel.: +49 5361 9 48869Maik Gummert All rights reserved. No part of this document may be provided to third parties or reproduced without the prior consent of one of the Volkswagen Group’s Standards departments. © Volkswagen Aktiengesellschaft VWNORM-2015-07c  Page 2VW 01054: 2016-01 –Section 5 Features of dimensioning added (combines the old sections 3, 4, 5, and 6); refer‐ence to DIN 406-12 added –Section 5.1 Dimension lines, extension lines revised, amended, and restructured; old fig‐ures 13, 17, 19 and corresponding texts deleted; old figure 18 deleted –Section 5.2 Dimension line limiting revised, amended, and restructured; Figure 24, Figure 25,Figure 26, and Figure 27 added –Section 5.3 Dimension figures : Regulations with respect to entering deviations added;Figure 28 (old figure 23) changed; –Section 5.3.1 Dimension letters added –Section 5.3.2 Position of graphic and letter symbols with dimension numbers added –Section 5.4 Special dimensions – inside parentheses, brackets, or frames : Old section 7, Dimensions with labels, revised, amended, and restructured; Figure 36 added –Section 5.4.1 Auxiliary dimensions rewritten –Section 5.4.2 Control dimensions : Second sentence amended –Section 5.4.4 Theoretically exact dimensions : Figure 42 updated –Section 5.4.5 Fixture dimensions for tool design : Figure 43 added –Section 5.5 Inspection marking for inspection features : Revised and amended; evaluationcode M and corresponding text deleted; old figures 35 and 36 deleted; Figure 45, Figure 46, Table 1 added –Section 5.5.1 Inspection report added –Section 5.6 Reference lines : Old figure 23 and text concerning datums deleted –Section 6 Entering dimensions added; includes old sections 10 to 22 –Section 6.8 Spacings added; includes selected and revised contents from the old sections 16 and 17 –Section 6.9 Parallel dimensioning, increasing dimensioning added; includes selected and re‐vised contents from the old sections 16 and 17 –Section 6.10 Symmetrical parts : Reference to Figure 104 added –Section 6.11 Arc dimensions, effective lengths : Old figure 123 and corresponding text de‐leted –Section 6.12 Thread dimensions : Reference to standard VW 01179 added –Section 6.13 Equal spacing tolerance amended; text concerning the explanation of the sym‐bols for the equal spacing tolerance, Figure 135, and Table 2 added –Section 6.15 Bent tubes and rods (solid material) revised and changed –Old section 22.1.3, Tube center tangent, deleted –Old section 22.3, Simplified representation with dimensions specified in table, deleted  –Section 7 Collective information added –Section 7.1 Note on undimensioned geometries in the data set added –Section 7.2 General tolerances for linear and angular sizes added –Section 7.3 Profile tolerances with respect to the data set and defined RPS reference system (old section 9, Surface shape tolerance and trim tolerance with respect to the data set ) re‐vised –Section 8 Applicable documents updated –Appendix  A added  Page 3VW 01054: 2016-01 –Appendix B added –Appendix C Definitions added  Page 4VW 01054: 2016-01 Contents Page Scope .........................................................................................................................5General dimensioning and tolerancing rules ..............................................................5General information ....................................................................................................5General rules ..............................................................................................................5General applicability of envelope requirement and independency principle ..............7General applicability of envelope requirement for sizes .............................................7Envelope r equirement ................................................................................................7Independency principle ..............................................................................................8 Envelope requirement and  independency principle tolerancing types for Volkswagen Group drawings .....................................................................................8 Envelope requirement tolerancing for Volkswagen Group drawings .......................8Rule for dr awings older than this issue of the standard ...........................................10 Applicability of the independency principle to Volkswagen Group drawings ............11 Applicability of the envelope requirement or the independency principle toVolkswagen Group drawings with an external restriction on use .............................12Supplier drawings without a note specifying the tolerancing type ............................13Features of dimensioning .........................................................................................13Dimension lines, extension lines ..............................................................................14Dimension line limiting .............................................................................................16Dimension figures ....................................................................................................17Dimension letters .....................................................................................................19Position of  graphic and letter symbols with dimension numbers ..............................19Special dimensions – inside parentheses, brackets, or frames ...............................19 Auxiliary dimensions ................................................................................................19Control dimensions ..................................................................................................20Final dimensions for parts manufactured using non-machining operations .............20Theoretically exact dimensions ................................................................................21Fixture dimensions for tool design ...........................................................................22Inspection marking for inspection features ...............................................................22Inspection report ......................................................................................................24Reference lines ........................................................................................................24Entering dimensions .................................................................................................25Repeat dimensions ..................................................................................................25Radii .........................................................................................................................25Diameter symbol ......................................................................................................28Sphere ......................................................................................................................29Square symbol, diagonal cross, widths acr oss flats .................................................30Cone, taper, incline ..................................................................................................31Grooves ....................................................................................................................33Spacings ..................................................................................................................36Parallel dimensioning, increasing dimensioning ......................................................36Symmetrical parts ....................................................................................................37 Arc dimensions, effective lengths .............................................................................38Thread dimensions ...................................................................................................39Equal spacing tolerance ...........................................................................................42Workpiece edges .....................................................................................................43Bent tubes and rods (solid material) ........................................................................43Dimensioning in coordinate system and tolerancing ................................................44Total length and perpendicularity of the tubes' end faces ........................................44Collective information ...............................................................................................46122.12.233.13.1.13.244.14.1.14.24.34.3.155.15.25.35.3.15.3.25.45.4.15.4.25.4.35.4.45.4.55.55.5.15.666.16.26.36.46.56.66.76.86.96.106.116.126.136.146.156.15.16.15.27

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