06ME36A/06ME46A -Computer Aided Machine Drawing |
PART – A |
UNIT I |
Sections of Solids: Sections of Pyramids, Prisms, Cubes, Tetrahedrons,
Cones and Cylinders resting only on their bases (No problems on, axis
inclinations, spheres and hollow solids). True shape of sections.
Orthographic views: Conversion of pictorial views into orthographic
projections of simple machine parts with or without section. (Bureau of
Indian Standards conventions are to be followed for the drawings) Hidden
line conventions. Precedence of lines. |
UNIT II |
Thread forms: Thread terminology, sectional views of threads. ISO Metric
(Internal & External) BSW (Internal & External) square and Acme. Sellers
thread, American Standard thread.
Fasteners: Hexagonal headed bolt and nut with washer (assembly), square
headed bolt and nut with washer (assembly) simple assembly using stud bolts
with nut and lock nut. Flanged nut, slotted nut, taper and split pin for locking,
counter sunk head screw, grub screw, Allen screw.
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PART – B |
UNIT III |
Keys & Joints Parallel key, Taper key, Feather key, Gibhead key and Woodruff key
Riveted Joints: single and double riveted lap joints, butt joints with
single/double cover straps (Chain and Zigzag, using snap head rivets).
cotter joint (socket and spigot), knuckle joint (pin joint) for two rods.
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UNIT IV |
Couplings Split Muff coupling, Protected type flanged coupling, pin (bush) type flexible
coupling, Oldham’s coupling and universal coupling (Hooks’ Joint)
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PART – C |
Assembly Drawings
(Part drawings should be given)
1. Plummer block (Pedestal Bearing)
2. Petrol Engine piston
3. I.C. Engine connecting rod
4. Screw jack (Bottle type)
5. Tailstock of lathe
6. Machine vice
7. Tool Head of a shaper.
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TEXT BOOKS: |
1. ‘A Primer on Computer Aided Machine Drawing-2007’, Published
by VTU, Belgaum.
2. ‘Machine Drawing’, N.D.Bhat & V.M.Panchal
3. ‘Machine Drawing’ , N. Siddeshwar, P. Kanniah, V.V.S.
Sastri,published by Tata Mc GrawHill,2006
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Reference Books |
4. ‘A Text Book of Computer Aided Machine Drawing’, S. Trymbaka
Murthy, CBS Publishers, New Delhi, 2007
5. ‘Machine Drawing’ , K.R. Gopala Krishna, Subhash Publication.
6. ‘Machine Drawing with Auto CAD’. Goutam Pohit & Goutham
Ghosh, 1st Indian print Pearson Education, 2005
7. ‘Auto CAD 2006, for engineers and designers'. Sham Tickoo. Dream
tech 2005.
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