ENGINEERING DRAWING STANDARDS MANUAL
GSFC X-673-64-1FENGINEERING DRAWINGSTANDARDS MANUALS AND SPACICUTENALOTINU. S. A.INISTRATIOAERONMADAAugust 1994NA
X-673-64-1FSupersedes GSFC X-673-64-1E/July 1991ENGINEERING DRAWINGSTANDARDS MANUALMechanical Engineering BranchGoddard Space Flight CenterGreenbelt, MarylandAND SPAICSCTUEONTIINISTRATIOAL AERONMADAAugust 1994NU. S. A.NANational Aeronautics andSpace AdministrationGoddard Space Flight CenterGreenbelt, Maryland 207711994
DESCRIPTION OF REVISIONT h i s r e v i s i o n , w h i c h s u p e r s e d e s t h e G o d d ar d S p a c e F l i g h t C e n t e r ( G S F C ) S t a n d a r dX - 6 7 3 - 6 4 - 1 E , E n g in e e r in g D r a win g S ta n d a r d s M a n u a l, is in te n d e d to u p d a te a n d r e f le c tth e la te s t f o r ma ts a n d s ta n d a r d s a d o p te d b y G S F C.T h e f o llo w in g is a s u mma r y o f th e p r in c ip a l c h a n g e s a n d imp r o v e me n ts in c o r p o r a te d inthis issue:a.A d d itio n o f Co mp o s ite Ma te r ia l D r a w in g d e f in itio n .b . C h a n g in g o f t h e s i g n a t u r e t o a p r i n t e d n a me i n T i t l e b lo c k s .c.N e w e x a mp l e o f t h e M e t r i c D r a w i n g s f o r ma t a n d t o l e r a n c e p r e s e n t a t i o n .d . I mp r o v e d p l a c e me n t o f v i e w s o n T y p e s o f D r a w i n g s s a mp l e s t o p r e v e n t u n n e c e s s a r yr e w o r k o f d r a w in g s a t a la te r d a te .e.N e w E n g in e e r i n g O r d e r ( E O ) f o r ms a d d e d ; o ld E O f o r ms w i l l b e p h a s e d o u t.f.A d d itio n a l n o te s o n v a r io u s to p ic s a d d e d to N o te E x a mp le s s e c tio n .g . D e le tio n o f mic r o f ilmin g r e q u ir e me n ts f o r d r a w in g f o r ma t.h . F lo w c h a r t f o r f lig h t p r o j e c ts r e d e f in e d .iii
iv
PREFACET h e G S F C E n g in e e r in g D r a win g S ta n d a r d s M a n u a l i s t h e o f f i c i a l s o u r c e f o r t h er e q u ir e me n ts a n d in te r p r e ta tio n s to b e u s e d in th e d e v e lo p me n t a n d p r e s e n ta tio n o fe n g in e e r in g d r a w in g s a n d r e la te d d o c u me n ta tio n f o r th e G S F C.T h e M e c h a n i c a l E n g i n e e r i n g B r a n c h , M e c h a n i c a l S y s t e ms D iv is io n , h a s b e e n d e le g a te dt h e r e s p o n s i b i l i t y f o r i n t e r p r e t a t i o n , p e r i o d ic u p d a t e s , a n d d i s t r ib u t i o n o f t h e G S F CE n g in e e r in g D r a win g S ta n d a r d s M a n u a l.A ll E n g in e e r in g D ir e c to r a te d e s ig n o r g a n iz a tio n s a n d th e ir c o n tr a c to r s s h a ll a d h e r e to th er e q u ir e me n ts o f th is ma n u a l w h e n p r e p a r in g G S F C e n g in e e r in g d o c u me n ta tio n f o r f lig h th a r d w a r e a n d g r o u n d s u p p o r t s ys te ms .Co mme n ts o r in q u ir ie s c o n c e r n in g th is ma n u a l s h o u ld b e d ir e c te d to th e Me c h a n ic a lE n g in e e r in g Br a n c h , Co d e 7 2 2 .D r . A lla n S h e r ma nD ir e c to r o f E n g in e e r in gv
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ENGINEERING DRAWING STANDARDS MANUALviiTABLE OF CONTENTSINTRODUCTION . 11. DRAWING ELEMENTS . 31.1. Drawing Sizes . 31.2. Multisheet Drawings . 31.3. Zoning . 41 . 4 . T i t l e B l o c k an d R e v i s i o n B l o c k . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 . 5 . D r a w i n g F o r ma t . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 02. NOMENCLATURE . 112.1. Drawing Title . 112.2. Abbreviations . 122.3. List of Material . 142 . 3 . 1 . R e q u i r e me n t s o n t h e B o d y o f t h e D r a w i n g . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 42 . 3 . 2 . R e q u i r e me n t s i n t h e L i s t o f M a t e r i a l . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 42.4. Notes on Drawings . 152 . 4 . 1 . S e c u r i t y C l a s s i f i c at i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 52.4.2. Note Location. 152 . 4 . 3 . N u mb e r i n g o f N o t e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 62 . 4 . 4 . N o t e E x a mp l e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 62 . 4 . 4 . 1 . D i me n s i o n N o t e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 62.4.4.2. Heat Treating Notes. 172 . 4 . 4 . 3 . J o i n i n g Me t h o d N o t e s ( w e l d i n g , b r a z i n g , e t c . ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 82.4.4.4. Plating and Coating Notes . 182.4.4.5. Surface Preparation Notes . 192.4.4.6. Testing and Inspection Notes . 202.4.4.7. Threaded Inserts — Cleaning and Installation Notes . 202.4.4.8. Miscellaneous Notes . 212 . 4 . 4 . 9 . I n f o r ma t i o n a l N o t e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 32.4.5. Local Character Notes . 232 . 4 . 6 . G e n e r a l D i me n s i o n a l T o l e r a n c e N o t e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 32 . 5 . S p e c i f i c a t io n C a l l o u t s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 33. DRAFTING PRACTICES . 253.1. General . 253.2. Lines . 253.2.1. Ink Lines and Plotted Lines . 253.2.2. Pencil Lines . 273.2.3. Types of Lines. 273.2.3.1. Center Lines . 273 . 2 . 3 . 2 . D i me n s i o n L i n e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 83.2.3.3. Leaders . 283.2.3.4. Break Lines . 283.2.3.5. Phantom Lines . 293.2.3.6. Sectioning Lines . 293.2.3.7. Extension Lines . 303.2.3.8. Hidden Lines . 303.2.3.9. Stitch Lines . 303.2.3.10. Outlines or Visible Lines. 303.2.3.11. Datum Lines . 303 . 2 . 3 . 1 2 . C u t t i n g - P l a n e / V ie w i n g - P l a n e L i n e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 03 . 3 . L e t t e r i n g a n d N u me r a l s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 13.3.1. Style . 313.3.2. Heights . 323.4. Scale . 323.5. Positioning the Part on the Drawing . 33X-673-64-1FG O D D AR D S P AC E F L I G H T C E N T E R , G r e e n b e l t , M a r y l a n d
viii4.5.6.7.8.ENGINEERING DRAWING STANDARDS MANUAL3.5.1. Picturization . 333.5.2. Sections . 343.5.3. Views . 363.5.4. Details. 373 . 5 . 5 . I d e n t i f i c a t i o n o f S e ct i o n s , V i e w s , a n d D e t a i l s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 73 . 5 . 6 . L o c a t i n g S e c t i o n s, V i e w s , a n d D e t a i l s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 8TYPES OF DRAWINGS . 394.1. Altered or Selected Vendor Part Drawing . 394 . 2 . A s s e mb l y D r a w i n g . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 04.3. Detail Drawing . 414.4. Drawing Tree . 424 . 5 . E l e c t r i c a l / E l e c tr o n i c D r a w i n g s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 34 . 5 . 1 . E l e c t r i c a l a n d E l e c t r o n i c S y mb o l s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 34 . 5 . 2 . E l e c t r i c a l a n d E l e c t r o n i c D i a g r a ms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 34 . 6 . I n s e p a r a b l e A s s e mb l y D r a w i n g . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 44 . 7 . I n s t a l l a t i o n A s s e mb l y D r a w i n g . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 54.8. Interface Control Drawing . 464.9. Matched-Set Drawing . 484 . 1 0 . M e c h a n i c a l S c h e ma t i c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 94.11. Modification Drawing . 514.12. Outline Drawing . 514.13. Source Control Drawing . 534 . 1 4 . S p e c i f i c a t i o n Co n t r o l D r a w i n g . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 44.15. Standard Part Drawing . 564.16. Tabulated Drawing . 564.17. Tooling Drawing . 574 . 1 8 . C o mp o s i t e M a t e r i a l D r a w i n g . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 8NUMBERING SYSTEM FOR DRAWINGS AND SUPPORTING DOCUMENTATION . 605 . 1 . P a r t N u mb e r i n g . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 15 . 2 . F i n d o r I t e m N u mb e r i n g . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 25.3. Order of Precedence of Specifications and Standards . 625.3.1. Group I . 625.3.2. Group II . 625.3.3. Group III . 635.3.4. Group IV . 635.3.5. Group V. 63ENGINEERING ORDER . 646 . 1 . G e n e r a l R e q u i r e me n t s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 46 . 2 . F o r ma t S a mp l e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 4DRAWING REVISIONS . 687 . 1 . R e v i s i o n Me t h o d s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 87.2. Revision Identification . 687.3. Revision of Multisheet Drawings . 687.4. Revision Recording . 687.5. Redrawn or Replaced Drawings . 70PARTS LIST AND INDEX LIST . 718.1. Definitions . 718 . 2 . R e q u i r e me n t s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 18.2.1. List Preparation . 718 . 2 . 2 . L i s t F o r ma t s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 28.2.3. Revision Identification . 728 . 2 . 4 . D e l e t i n g I t e ms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 28 . 2 . 5 . A d d i n g I t e ms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 28.3. Cover Sheet. 728 . 3 . 1 . F o r ma t . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2X-673-64-1FG O D D AR D S P AC E F L I G H T C E N T E R , G r e e n b e l t , M a r y l a n d
ENGINEERING DRAWING STANDARDS MANUALix8.3.2. Entries. 728 . 4 . P a r t s L i s t Co n t i n u a t i o n S h e e t . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 58 . 4 . 1 . F o r ma t . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 58.4.2. Entries. 758 . 5 . I n d e x L i s t Co n t i n u a t i o n S h e e t . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 78 . 5 . 1 . F o r ma t . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 78.5.2. Entries. 778 . 6 . F i n d o r I
The GSFC Engineering Drawing Standards Manual is the official source for the requirements and interpretations to be used in the development and presentation of engineering drawings and related documentation for the GSFC. The Mechanical Engineering Branch, Mechanical Systems Division, has been delegated
Drawing Template and Sheet Format Drawing and Detailing with SolidWorks 2001/2001Plus PAGE 1-8 Drawing Template The foundation of a SolidWorks drawing is the Drawing Template. Drawing size, drawing standards, company information, manufacturing and or assembly requirements, units and other properties are defined in the Drawing Template.
2: Building Drawing and Unit 3: Mechanical Engineering Drawing. Three questions will be set on Building Drawing and three on Mechanical Engineering Drawing. Candidates must attempt two questions: one 2D working/assembly drawing and one 3D solid model design drawing (from area of choice). The working/assembly drawing
Drawing Block Title - 03 Grids 1:12 014200-003 Drawing Block Title - 04 Grids 1:16 014200-004 Drawing Block Title - 05 Grids 1:20 014200-005 Drawing Block Title - 06 Grids 1:24 014200-006 Drawing Block Title - 07 Grids 1:28 014200-007 Drawing Block Title - 08 Grids 1:32 014200-008 Drawing Block Title - 09 Grids 1:36 014200-009 Drawing Block .
drawing. 1.2 STATE how the grid system on an engineering drawing is used to locate a piece of equipment. 1.3 STATE the three types of information provided in the revision block of an engineering drawing. 1.4 STATE the purpose of the notes and legend section of an engineering drawing. 1.5 LIST the five drawing categories used on engineering .
A drawing that displays technical information to the reader through specific visuals, directions, notes, etc A good technical drawing should be informative, clear, NEAT, unambiguous and not cluttered. Drawing Basics Profile View . Drawing Basics Plan View Viewed from above . Drawing Basics FWD View (Bow view) FWD looking aft. Drawing Basics Section View Looking in direction .
Civil 3D Points or Drawing Points exist only in a single drawing; if the same point is needed in another drawing, it must be created in that drawing, as there is no way to expose Civil 3D Points or Drawing Points from drawing to drawing. Throughout this manual, we'll use the terms Civil 3D Points or
A catalog record for this book is available from the Library of Congress . The text which follows covers the basic aspects of engineering drawing practice required by college and university students, and also professional drawing office . Drawing Technical. Manual of Engineering Drawing Engineering drawing. CAD
Assembly Drawing Exercises . 2/57 Working Drawing/Production Drawing The drawings that are used to give information for . normally an isometric view and is used in installation and maintenance manuals. T.Akyürek ME 114 Computer Aided Engineering Drawing II– Assembly Drawing Exercises .
