1、 Ford Proprietary and/or Confidential Information - Do not distribute to others w/o prior written authorization. FECDS C-5 Engineering CAD otherwise, principles of orthographic projection apply. Figure C5.10 3.9 BODY POSITION 3.9.1 For method of viewing body parts see Standard C-5.10. Original Issue
2、: 19960419 Copyright, Ford Motor Company. Latest Re-issue: 20101231C54 Printed copies are uncontrolled.ENGINEERING CAD & DRAFTING STANDARDS Return to TOC 3.9.2 Component detail drawings may be drawn out of vehicle position so that the optimum views are chosen for clarity of dimensioning and minimum
3、drawing sheet size. 3.10 LETTERING AND SEQUENCE OF DRAWING ITEMS 3.10.1 Previously used Letters that have been removed from the released drawing shall not be reused and alphabetical sequencing shall omit the letters I, O and Q. LINES: Letter sequence starts at Z. When A is reached, sequence is ZZZAY
4、ZYA, etc. POINTS: Letter sequence starts at A. When Z is reached, sequence is AAAZBABZ, etc. NOTE: It is permissible to codify point callouts using alpha-numeric designations for drawing clarity, e.g. PT A1, PT A2. or PT TUB1_1, PT TUB1_2. etc. VIEWS: Letter sequence starts at Z. When A is reached,
5、sequence is ZZZAYZYA, etc. SECTIONS: Letter sequence starts at A. When Z is reached, sequence is AAAZBABZ, etc. DATUMS: Letter sequence starts at A. Reference ASME Y14.5-2009, paragraph 3.3.2. 3.11 RECORD OF LAST LETTERS USED 3.11.1 On large or complicated drawings it is necessary to provide a quick
6、 reference of the latest letters used to identify lines, points, views, sections, etc. This is achieved by placing the boxes shown in Figure C-5.11 immediately inside the border of a drawing near the general note space. Figure C-5.11 Original Issue: 19960419 Copyright, Ford Motor Company. Latest Re-issue: 20101231C55 Printed copies are uncontrolled.ENGINEERING CAD & DRAFTING STANDARDS Return to TOC Original Issue: 19960419 Copyright, Ford Motor Company. Latest Re-issue: 20101231C56 Printed copies are uncontrolled.4 SPECIFICATIONS (Reserved) 5 ADDENDUM (Reserved)
