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    FORD D-3-2000 WELDING SYMBOLS AND SPECIFICATIONS (Version 28).pdf

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    FORD D-3-2000 WELDING SYMBOLS AND SPECIFICATIONS (Version 28).pdf

    1、 FECDS D-3 Engineering CAD & Drafting Standards Ford Proprietary and/or Confidential Information - Do not distribute to others w/o prior written authorization. Version 28 TOC Original Issue: 19960419 Copyright, Ford Motor Company. Latest Re-issue: 20001231D31 Printed copies are uncontrolled.WELDING

    2、SYMBOLS AND SPECIFICATIONS 1 INTRODUCTION 1.1 An amended version of ISO 2553:1992 (Welded, brazed and soldered joints - Symbolic representation on drawings) has been adopted for representing welding on Engineering Drawings. The amendments are detailed under 3. REQUIREMENTS below. 1.2 ISO 4063:1998 (

    3、Welding, brazing, soldering and braze welding of metals - Nomenclature of processes and reference numbers for symbolic representation on drawings) has been adopted for representing the process on Engineering Drawings in conjunction with ISO 2553:1992. 1.3 Other Standards referenced in ISO 2553:1992

    4、and ISO 4063:1998 have not been adopted by FAO unless specifically referenced in the Ford Motor Company Engineering CAD & Drafting Standards. 1.4 On a complex joint involving multiple welds it may be simpler to show a separate detailed view of the joint and welds required. 1.5 The fork and process n

    5、umber, shown in Figure D3.1, need only be added to the reference line if a specific process is required. 2 DEFINITIONS (Reserved) 3 REQUIREMENTS 3.1 This addendum has been developed to address the following areas: 3.1.1 Select an option from ISO 2553:1992. 3.1.2 Add a symbol or usage not covered by

    6、ISO 2553:1992. 3.2 APPLICATION OF WELDING SYMBOLS (APPROVED OPTIONS) 3.2.1 N.B.: Specific Weld Symbols are shown for illustration purposes only. See ISO 2553:1992 for all Elementary and Supplementary Weld Symbols and Complementary Indications. 3.3 FUSION WELDs METAL ARC AND GAS ENGINEERING CAD & DRA

    7、FTING STANDARDS Return to TOC Figure D3.1 Figure D3.2 3.4 POSITION OF THE SYMBOL AND DUAL REFERENCE LINE 3.4.1 The symbol is placed on the continuous line side of the reference line if the weld (weld face) is on the arrow side of the joint. 3.4.2 The symbol is placed on the dashed line side of the r

    8、eference line if the weld (weld face) is on the other side of the joint. 3.4.3 The dashed line can be drawn either above or below the continuous line. 3.4.4 The options shown in Figure D3.3 will be used. Original Issue: 19960419 Copyright, Ford Motor Company. Latest Re-issue: 20001231D32 Printed cop

    9、ies are uncontrolled.ENGINEERING CAD & DRAFTING STANDARDS Return to TOC Figure D3.3 3.5 RELATIONSHIP BETWEEN THE ARROW LINE AND THE JOINT 3.5.1 It is preferred, but not mandatory, that the arrow line point to the “Arrow side” of the joint. 3.5.2 The nonpreferred method of pointing to the “Other side

    10、” of the joint is acceptable only if the preferred method necessitates creating extra views to show it. 3.6 SPOT, PROJECTION AND SEAM WELDING 3.6.1 Weld Finish 3.6.1.1 The finish for spot welds, seam welds, stitch welds and rollerspot welds can be designated as class 1, 2 or 3. 3.6.1.2 If finish cla

    11、ss is required, the appropriate number will be placed after the process number and separated by a solidus (/) as shown in Figure D3.4. Where no class of finish is specified, class 3 finish applies. 3.6.1.3 If finish class is required without showing a process number then the process number will be r

    12、eplaced with a dash (-), e.g., -/2. 3.6.1.4 Definition of the weld finish classes is contained in the relevant engineering specification. If no engineering specification is designated then a definition for the classes of finish may be found in the Production Equipment Engineering Assembly, Vehicle O

    13、perations Welding Standards. 3.6.1.5 If required, further information may be shown following the surface finish and separated from it by a solidus (/), e.g., 21/2/RH ONLY. Original Issue: 19960419 Copyright, Ford Motor Company. Latest Re-issue: 20001231D33 Printed copies are uncontrolled.ENGINEERING

    14、 CAD & DRAFTING STANDARDS Return to TOC Figure D3.4 3.7 ADDITIONAL SYMBOLS 3.7.1 The following symbols in Figure D3.5 are approved for use on engineering drawings in addition to those shown in ISO 2553:1992 or ISO 4063:1998 3.7.1.1 RESISTANCE SPOT AND PROJECTION WELD LOCATION SYMBOLS 3.7.1.1.1 The s

    15、ymbols used to locate the welds on the drawing, when required, are shown in Figure D3.5 Original Issue: 19960419 Copyright, Ford Motor Company. Latest Re-issue: 20001231D34 Printed copies are uncontrolled.ENGINEERING CAD & DRAFTING STANDARDS Return to TOC Figure D3.5 3.7.1.2 RESISTANCE SPOT AND PROJ

    16、ECTION WELD LOCATION IDENTIFICATION 3.7.1.2.1 The individual welds may be assigned alpha-numeric identification to provide a means of locating the welds on the drawings. 4 SPECIFICATIONS 4.1 WELDING SPECIFICATION 4.1.1 When welding is designated on an Engineering Drawing, the cross-functional engine

    17、ering team will determine the specific Engineering Specification which applies. The releasing engineering activity will then add the Engineering Specification note as shown in Standard E1. 5 ADDENDUM (Reserved) Original Issue: 19960419 Copyright, Ford Motor Company. Latest Re-issue: 20001231D35 Printed copies are uncontrolled.


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