Your SlideShare is downloading. ×
Ortographic projection
Upcoming SlideShare
Loading in...5
×

Thanks for flagging this SlideShare!

Oops! An error has occurred.

×
Saving this for later? Get the SlideShare app to save on your phone or tablet. Read anywhere, anytime – even offline.
Text the download link to your phone
Standard text messaging rates apply

Ortographic projection

518
views

Published on

Published in: Technology, Business

0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total Views
518
On Slideshare
0
From Embeds
0
Number of Embeds
0
Actions
Shares
0
Downloads
28
Comments
0
Likes
0
Embeds 0
No embeds

Report content
Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
No notes for slide

Transcript

  • 1. DRAWINGS: ( A Graphical Representation) The Fact about: If compared with Verbal or Written Description, Drawings offer far better idea about the Shape, Size & Appearance of any object or situation or location, that too in quite a less time. Hence it has become the Best Media of Communication not only in Engineering but in almost all Fields.
  • 2. Drawings (Some Types) Botanical Drawings ( plants, flowers etc.) Nature Drawings ( landscape, Geographical scenery etc.) Drawings ( maps etc.) Building Related Drawings. Orthographic Projections (Fv,Tv & Sv.-Mech.Engg terms) (Plan, Elevation- Civil Engg.terms) (Working Drawings 2-D type) Portraits ( human faces, expressions etc.) Zoological Drawings (creatures, animals etc.) Engineering Drawings, (projections.) Machine component Drawings Isometric ( Mech.Engg.Term.) or Perspective(Civil Engg.Term) (Actual Object Drawing 3-D)
  • 3. ORTHOGRAPHIC PROJECTIONS : IT IS A TECHNICAL DRAWING IN WHICH DIFFERENT VIEWS OF AN OBJECT ARE PROJECTED ON DIFFERENT REFERENCE PLANES OBSERVING PERPENDICULAR TO RESPECTIVE REFERENCE PLANE Different Reference planes are Horizontal Plane (HP), Vertical Frontal Plane ( VP ) Side Or Profile Plane ( PP) And Different Views are Front View (FV), Top View (TV) and Side View (SV) FV is a view projected on VP. TV is a view projected on HP. SV is a view projected on PP. IMPORTANT TERMS OF ORTHOGRAPHIC PROJECTIONS: 1 Planes. 2 Pattern of planes & Pattern of views 3 Methods of drawing Orthographic Projections
  • 4. PLANES 1 PRINCIPAL PLANES HP AND VP AUXILIARY PLANES Auxiliary Vertical Plane (A.V.P.) غ A.V.P. ⊥ to Hp & ∠ to Vp Auxiliary Inclined Plane (A.I.P.) A.I .P. ⊥t o V p ∠ & to Hp θº Profile Plane ( P.P.)
  • 5. PATTERN OF PLANES & VIEWS (First Angle Method) 2 THIS IS A PICTORIAL SET-UP OF ALL THREE PLANES. ARROW DIRECTION IS A NORMAL WAY OF OBSERVING THE OBJECT. BUT IN THIS DIRECTION ONLY VP AND A VIEW ON IT (FV) CAN BE SEEN. THE OTHER PLANES AND VIEWS ON THOSE CAN NOT BE SEEN. Y PROCEDURE TO SOLVE ABOVE PROBLEM:TO MAKE THOSE PLANES ALSO VISIBLE FROM THE ARROW DIRECTION, A) HP IS ROTATED 900 DOUNWARD B) PP, 900 IN RIGHT SIDE DIRECTION. THIS WAY BOTH PLANES ARE BROUGHT IN THE SAME PLANE CONTAINING VP. X Click to view Animation On clicking the button if a warning comes please click YES to continue, this program is safe for your pc. PP VP Y FV LSV Y X X TV HP HP IS ROTATED DOWNWARD 900 AND BROUGHT IN THE PLANE OF VP. PP IS ROTATED IN RIGHT SIDE 90 AND BROUGHT IN THE PLANE OF VP. 0 ACTUAL PATTERN OF PLANES & VIEWS OF ORTHOGRAPHIC PROJECTIONS DRAWN IN FIRST ANGLE METHOD OF PROJECTIONS
  • 6. 3 Methods of Drawing Orthographic Projections Third Angle Projections Method Here views are drawn by placing object First Angle Projections Method Here views are drawn by placing object in 3rd Quadrant. in 1st Quadrant ( Fv above X-y, Tv below X-y ) ( SYMBOLIC PRESENTATION OF BOTH METHODS WITH AN OBJECT STANDING ON HP ( GROUND) ON IT’S BASE. FV X Y Tv above X-y, Fv below X-y ) TV NOTE:HP term is used in 1 Angle method & For the same Ground term is used in 3rd Angle method of projections X st TV Y FV G L
  • 7. FIRST ANGLE PROJECTION FOR T.V. IN THIS METHOD, HE OBJECT IS ASSUMED TO BE SITUATED IN FIRST QUADRANT MEANS ABOVE HP & INFRONT OF VP. OBJECT IS INBETWEEN OBSERVER & PLANE. PP VP FV LSV Y X TV HP ACTUAL PATTERN OF PLANES & VIEWS IN FIRST ANGLE METHOD OF PROJECTIONS R FO . .V S FO R F. V.
  • 8. THIRD ANGLE PROJECTION FOR T.V. IN THIS METHOD, THE OBJECT IS ASSUMED TO BE SITUATED IN THIRD QUADRANT ( BELOW HP & BEHIND OF VP. ) PLANES BEING TRANSPERENT AND INBETWEEN OBSERVER & OBJECT. TV X Y LSV FV ACTUAL PATTERN OF PLANES & VIEWS OF THIRD ANGLE PROJECTIONS OR F . S.V FO R F. V.
  • 9. ORTHOGRAPHIC PROJECTIONS { MACHINE ELEMENTS } OBJECT IS OBSERVED IN THREE DIRECTIONS. THE DIRECTIONS SHOULD BE NORMAL TO THE RESPECTIVE PLANES. AND NOW PROJECT THREE DIFFERENT VIEWS ON THOSE PLANES. THESE VEWS ARE FRONT VIEW , TOP VIEW AND SIDE VIEW. FRONT VIEW IS A VIEW PROJECTED ON VERTICAL PLANE ( VP ) TOP VIEW IS A VIEW PROJECTED ON HORIZONTAL PLANE ( HP ) SIDE VIEW IS A VIEW PROJECTED ON PROFILE PLANE ( PP ) FIRST STUDY THE CONCEPT OF 1 ST AND 3 RD ANGLE PROJECTION METHODS ND THEN STUDY NEXT 26 ILLUSTRATED CASES CAREFULL RY TO RECOGNIZE SURFACES ERPENDICULAR TO THE ARROW DIRECTIONS
  • 10. FOR T.V. 1 ORTHOGRAPHIC PROJECTIONS R FO . S.V FO R FRONT VIEW L.H.SIDE VIEW F. V. x PICTORIAL PRESENTATION IS GIVEN DRAW THREE VIEWS OF THIS OBJECT BY FIRST ANGLE PROJECTION METHOD y TOP VIEW
  • 11. FOR T.V. 2 ORTHOGRAPHIC PROJECTIONS FRONT VIEW R FO . .V S FO R X Y F. V. TOP VIEW PICTORIAL PRESENTATION IS GIVEN DRAW THREE VIEWS OF THIS OBJECT BY FIRST ANGLE PROJECTION METHOD L.H.SIDE VIEW
  • 12. FOR T.V. 3 ORTHOGRAPHIC PROJECTIONS FRONT VIEW L.H.SIDE VIEW R FO . S.V FO R F. V. X Y TOP VIEW PICTORIAL PRESENTATION IS GIVEN DRAW THREE VIEWS OF THIS OBJECT BY FIRST ANGLE PROJECTION METHOD
  • 13. 4 FOR T.V. ORTHOGRAPHIC PROJECTIONS FRONT VIEW R FO . S. V FO R X Y F. V. TOP VIEW PICTORIAL PRESENTATION IS GIVEN DRAW THREE VIEWS OF THIS OBJECT BY FIRST ANGLE PROJECTION METHOD L.H.SIDE VIEW
  • 14. FOR T.V. 5 ORTHOGRAPHIC PROJECTIONS R FO FRONT VIEW . .V S FO R PICTORIAL PRESENTATION IS GIVEN DRAW THREE VIEWS OF THIS OBJECT BY FIRST ANGLE PROJECTION METHOD F. V. X L.H.SIDE VIEW Y TOP VIEW
  • 15. 6 FOR T.V. ORTHOGRAPHIC PROJECTIONS FRONT VIEW R FO . .V S FO R X L.H.SIDE VIEW Y F. V. TOP VIEW PICTORIAL PRESENTATION IS GIVEN DRAW THREE VIEWS OF THIS OBJECT BY FIRST ANGLE PROJECTION METHOD
  • 16. 7 FOR T.V. ORTHOGRAPHIC PROJECTIONS FRONT VIEW FO R R FO . .V S L.H.SIDE VIEW F. V. X PICTORIAL PRESENTATION IS GIVEN DRAW THREE VIEWS OF THIS OBJECT BY FIRST ANGLE PROJECTION METHOD Y TOP VIEW
  • 17. STUDY Z ILLUSTRATIONS 8 FOR T.V. ORTHOGRAPHIC PROJECTIONS FRONT VIEW 50 X Y 20 FO R 25 F. V. 25 20 TOP VIEW PICTORIAL PRESENTATION IS GIVEN DRAW THREE VIEWS OF THIS OBJECT BY FIRST ANGLE PROJECTION METHOD
  • 18. 9 FOR T.V. ORTHOGRAPHIC PROJECTIONS FRONT VIEW X R FO . S. V FO R Y F. V. PICTORIAL PRESENTATION IS GIVEN DRAW THREE VIEWS OF THIS OBJECT BY FIRST ANGLE PROJECTION METHOD L.H.SIDE VIEW TOP VIEW
  • 19. ORTHOGRAPHIC PROJECTIONS FOR T.V. FRONT VIEW X L.H.SIDE VIEW Y . S.V R FO R FO V. F. PICTORIAL PRESENTATION IS GIVEN DRAW THREE VIEWS OF THIS OBJECT BY FIRST ANGLE PROJECTION METHOD 10 TOP VIEW
  • 20. FOR T.V. ORTHOGRAPHIC PROJECTIONS FRONT VIEW FO R R FO X F. V. L.H.SIDE VIEW Y . .V S TOP VIEW PICTORIAL PRESENTATION IS GIVEN DRAW THREE VIEWS OF THIS OBJECT BY FIRST ANGLE PROJECTION METHOD 11
  • 21. 12 FOR T.V. ORTHOGRAPHIC PROJECTIONS FRONT VIEW X R FO . S.V FO R Y F. V. PICTORIAL PRESENTATION IS GIVEN DRAW THREE VIEWS OF THIS OBJECT BY FIRST ANGLE PROJECTION METHOD L.H.SIDE VIEW TOP VIEW
  • 22. 13 STUDY Z ILLUSTRATIONS FOR T.V. ORTHOGRAPHIC PROJECTIONS 35 FV 35 10 x 20 10 FO R O F. V. PICTORIAL PRESENTATION IS GIVEN DRAW FV AND TV OF THIS OBJECT BY FIRST ANGLE PROJECTION METHOD 40 70 TV 30 y
  • 23. STUDY Z ILLUSTRATIONS R FO 14 FOR T.V. ORTHOGRAPHIC PROJECTIONS FV 30 10 30 SV 30 10 30 x . S. V FO R y F. V. PICTORIAL PRESENTATION IS GIVEN DRAW THREE VIEWS OF THIS OBJECT BY FIRST ANGLE PROJECTION METHOD TV ALL VIEWS IDENTICAL
  • 24. OR 15 STUDY Z ILLUSTRATIONS ORTHOGRAPHIC PROJECTIONS FOR T.V. ALL VIEWS IDENTICAL FV SV y x 10 . S.V FO R F. V. PICTORIAL PRESENTATION IS GIVEN DRAW THREE VIEWS OF THIS OBJECT BY FIRST ANGLE PROJECTION METHOD 40 40 60 60 TV
  • 25. FOR T.V. ORTHOGRAPHIC PROJECTIONS 16 ALL VIEWS IDENTICAL FV SV y x 10 R FO . .V S FO R F. V. PICTORIAL PRESENTATION IS GIVEN DRAW THREE VIEWS OF THIS OBJECT BY FIRST ANGLE PROJECTION METHOD 40 40 60 60 TOP VIEW
  • 26. 17 ORTHOGRAPHIC PROJECTIONS FRONT VIEW 40 L.H.SIDE VIEW 30 SQUARE 20 50 R FO FO R . S. V F. X V. 20 10 O PICTORIAL PRESENTATION IS GIVEN DRAW FV AND SV OF THIS OBJECT BY FIRST ANGLE PROJECTION METHOD Y 30 F.V. 60 S.V.
  • 27. FOR T.V. ORTHOGRAPHIC PROJECTIONS 18 FV 40 X O 10 Y 45 30 D FO R O 10 50 80 TV F. V. PICTORIAL PRESENTATION IS GIVEN DRAW FV AND TV OF THIS OBJECT BY FIRST ANGLE PROJECTION METHOD
  • 28. 19 FOR T.V. ORTHOGRAPHIC PROJECTIONS 40 FV O X 10 Y 100 10 FO R 25 TV 10 30 R 20 D 30 10 25 O F. V. PICTORIAL PRESENTATION IS GIVEN DRAW FV AND TV OF THIS OBJECT BY FIRST ANGLE PROJECTION METHOD
  • 29. PICTORIAL PRESENTATION IS GIVEN DRAW FV AND TV OF THIS OBJECT BY FIRST ANGLE PROJECTION METHOD ORTHOGRAPHIC PROJECTIONS 30 FOR T.V. FV RECT. SLOT 10 50 35 10 X 20 D FO R F. V. TV 60 D 30 D TOP VIEW O Y 20
  • 30. 21 ORTHOGRAPHIC PROJECTIONS 10 25 15 25 40 10 25 R FO FO R . S.V O F. V. O 25 80 F.V. PICTORIAL PRESENTATION IS GIVEN DRAW FV AND SV OF THIS OBJECT BY FIRST ANGLE PROJECTION METHOD 25 S.V.
  • 31. FOR T.V. ORTHOGRAPHIC PROJECTIONS 450 30 FV 40 X FO R Y 30 D F. V. TV 40 O PICTORIAL PRESENTATION IS GIVEN DRAW FV AND TV OF THIS OBJECT BY FIRST ANGLE PROJECTION METHOD 40 15 22
  • 32. 23 ORTHOGRAPHIC PROJECTIONS FO R R FO HEX PART F. V. 30 20 20 . S.V 40 O 20 50 20 15 O 30 60 100 PICTORIAL PRESENTATION IS GIVEN DRAW FV ABD SV OF THIS OBJECT BY FIRST ANGLE PROJECTION METHOD FRONT VIEW L.H.SIDE VIEW
  • 33. FOR T.V. ORTHOGRAPHIC PROJECTIONS 24 40 20 FRONT VIEW F.V. 30 10 X Y O 10 FO R 30 F. V. 10 30 O PICTORIAL PRESENTATION IS GIVEN DRAW FV AND TV OF THIS OBJECT BY FIRST ANGLE PROJECTION METHOD 80 T.V. TOP VIEW
  • 34. 25 ORTHOGRAPHIC PROJECTIONS 10 10 15 25 25 X Y O 50 FV LSV 10 R FO . .V S FO R PICTORIAL PRESENTATION IS GIVEN DRAW FV AND LSV OF THIS OBJECT BY FIRST ANGLE PROJECTION METHOD F. V.
  • 35. PICTORIAL PRESENTATION IS GIVEN DRAW FV AND SV OF THIS OBJECT BY FIRST ANGLE PROJECTION METHOD 26 FO R ORTHOGRAPHIC PROJECTIONS F. V. 30 10 20 20 15 10 R FO . .V S 15 O 30 15 X 15 Y 50 F.V. LEFT S.V.