CAD standards
مجموعة من المعايير التى تخرج لوحة الكاد بشكل يستطيع كل من يعمل في المجال ان يفهمه بسهولة و كأنها لغة مشتركة
ملف فارغ يستخدم لإنتاج نماذج CAD التي ستتضمن نقطة الاصل والوحدات القياس واصطلاحات الطبقات ومواصفات الخطوط واتفاقيات تسمية الملفات وترقيم الرسم ، إلخ.
اشهر المعايير للطبقات
- BS-1192, which relies heavily on the Code of Procedure for the Construction Industry
- AIA Cad Layer Guidelines, 2nd edition (1997), has a great usage in the USA;
- ISO 13567-1/3, International standard, common in Northern Europe;
- AEC (UK), an adaptation of BS-1192 based on Uniclass.
- A/E/C CAD Standard, Tri-service (USACE/Air Force/NAVFAC) CAD standard created/maintained by the CAD/BIM Technology Center for Facilities, Infrastructure, and Environment..][1]
- SIA 2014 (1996), Swiss standard for engineers and architects, based on ISO 13567.
- ÖNORM A 6240-4 (2012), Austrian standard for digital documentation in technical drawings, based on ISO 13567.
| Description | Line thickness in mm | Color Codes |
|---|---|---|
| Out Line | 0.20 or 0.25 | White, Cyan, Yellow,Blue |
| Hidden Line | 0.00 or 0.05 | Blue, Gray, 241 |
| Center Line | 0.10 or 0.15 | Green, Red |
| Note | 0.18 or 0.20 | Cyan, Green, 41 |
| Thin Line | 0.00 or 0.05 | Gray, 08, 111 |
| Reference Line | 0.000 | Magenta, Gray |
| Hatch Line | 0.000 | Magenta, Green, Gray,red |
| Color-9 to 256 | 0.000 | |
| Dimension line | ||
| Leader Line with Arrows | 0.000 | Gray Color-9,or 8, Red |
| Text | 0.18 or 0.20 | Cyan, Green, |
الكتابات و الابعاد
Heights: 1,8 mm, 2,5 mm, 3,5 mm, 5,0 mm, 7,0 mm (relative thickness are 1/10 of the heights).
الخط المستخدم : “Romans”,
“ISO CP”. Exceptional use of true type fonts (arial, Times New Roman etc.).
مقياس الرسم
1:1, 1:10, 1:100 …. 1:2, 1:20, 1:200 …. 1:5, 1:50, 1:500 ….
اسماء الملفات المعيارية
BS 1192:
Discipline (1 char), Element (2 char, using SfB Table 1 or Uniclass), Drawing type (1 char, P=preliminary, X=special/xref, L=layout, C=component, S=schedules, A=assembly drawings, K=co-ordination drawing), Unique number (3 char), Revision (1 char, A=emission, B,C,D…= revisions). Samples: A22P012G.dwg (architect, internal walls in SfB, preliminary design, sheet 012, revision G).
Samples: ZE1G-124.dwg, XE1G-100.dwg
- AEC (UK)
Project (unlimited char), Discipline (2 char max, recommended mandatory), Zone (optional), View (1 char, rec.mand.), Level (2 char, rec.mand.), Content (rec.mand.), Sequential number (up to 3 char); Samples: 1234-A-Off-P-M1-Furn-11c.dwg (project #1234, architect, office zone, plan, mezzanine 1, furnitures, version 1.1 revision c) , A-P-01-Part (architect, plan, 1st floor, partitions), 1234-A-S-055.dgn (project #1234, architect, section, sheet 055), A-S-xx-AA.dwg (architect, section, full building, section AA), A-P-x-Grid.dgn (architect, plan, all floor, grid), 1838-S-C-P-03 (project 1838, structures, building C, plan, 3rd floor).
- Other local:
Job number (4 char), Agent (1 char), Section (4 char), phase (1 char), sheet number (2 char), revision (2 char) Samples: 0512-A-00A_-1-01-02.dwg Job number (3 char), View (2 char), section (2char), phase (1 char), revision (1 char) Samples: 123p0s2d0.dwg (job 1239, plan, 2nd floor, definitive drawing, emission), 459s0BBD0.dgn (job 123, section B, definitive drawing, emission).
المعايير الميكانيكيه
Geometric Dimensioning and Tolerancing
Industry standards for defining Product Manufacturing Information (PMI), a 3D extension of Geometric Dimensioning and Tolerancing (GD&T), include ASME Y14.41-2003 Product Data Definition and ISO 1101 Representation of specifications in the form of a 3D model.
وصلات مفيدة
- AutoCAD Layer Names for Architecture / Interiors (PDF available)
- aec-uk.org Home of the AEC(UK) standards.
- EatyourCAD CAD Manager site containing guides on implementation of AEC(UK)CAD Standard plus downloads of ready to use standards – search for tag AEC.