MEP201 Mechanical Engineering Drawing 1st semester 20052006

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MEP201 Mechanical Engineering Drawing1st
semester 2005-2006

• S R Kale. --- Lecture 1
• Types of Drawings
• and their uses in
• Engineering Projects

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Until now Machine Drawings

• Prepared and used by
• Mechanical engineer
• ME diploma holder
• Machinists, fabricators, welders, assemblers
• End result
• Component, (sub)assembly drawing(s)
• After manufacturing component, sub(assembly) or
  machine

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Next step

• Someone uses the machine
• Not interested in component level details
• Needs overall information about the machine
• Needs different types of information

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Types of drawings

• General Arrangement / Layout drawing
• Schematic / Process flow diagram / Flow diagram
• Process and Instrumentation (P I) Drawing
• Control system diagrams
• Piping drawing
• Wiring diagrams
• Process engineering drawings
• Project management drawings

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Example from engineering 1 MINI BAJA

• Bought out engine, variable drive, brakes,
• tyres, steering column, shockers,
• Manufactured frame, drive, suspension,
• Put them together AND make them work for the race
  (just like F1)

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Example from engineering 2 CSC AIR CONDITIONING
PLANT

• Bought out compressor, motor, heat exchanger,
  pumps, cooling tower, valves, switchgear,
  instruments, blowers, belts, controls,
• At site by others foundation, building,
• Fabricated by vendor frame, pipes,
• Pictures of CSC A.C. plant room slide show
• Assemble AND make them work 365 x 24 x 7

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Example from engineering 3 BADAGRAH NALLAMINI
HYDRO-ELECTRIC PLANT

• Visit on 28 June 2004

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Users of these drawings

• Civil engineers
• Architects
• Electrical engineers
• Chemical engineers
• Machine builders
• Plant designers
• Fitters, welders, masons, machinists,
• Plus

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Lecture Summary

• Besides machine drawings, there are several types
  of drawings
• Information about machines - to be communicated
  with non-ME engineers as well as non-engineers
• Integrating role
• Inter-disciplinary nature of technology