Development of lateral surfaces of solids
when cutting plane is perpendicular to H.P. or V.P. including curved cuts.
Intersection of surfaces of solids- prism,
pyramid, cone or cylinder penetrated by any prism or cylinder.
Isometric & Oblique parallel
projections, simple block and cylindrical type objects & spheres.
Primary auxiliary views of machine parts involving
Reading of orthographic projections, drawing of missing
views & converting into sectional views.
Free hand sketches of the following machine
1. Rivet heads and riveted joints.
2. Thread profiles of IS V & square threads,
metric, buttress, acme, knuckle, I.S. convention of representing external and
internal V and square threads.
3. Bolts- hexagonal, square-prevention of rotation
4. Nuts-hexagonal, square, wingnut locking by lock
nuts, castle nut, split pin lock plate.
5. Studs- plain- collar.
6. Washer-plain, chamfered & spring washer.
7. Set screws.
8. Foundation bolts-rag, eye.
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