ME3381 COMPUTER AIDED MACHINE DRAWING SYLLABUS

Sub Code : ME3381

Sub Name : COMPUTER AIDED MACHINE DRAWING

COURSE OBJECTIVES

• To acquaint the skills and practical experience in handling 2D drafting and 3D modelling software systems, standard drawing practices using fits and tolerances. 
• To prepare assembly drawings both manually and using standard CAD packages. 
• To Preparing standard drawing layout for modeled parts, assemblies with BoM. 

PART I 

DRAWING STANDARDS & FITS AND TOLERANCES 

            Code of practice for Engineering Drawing, BIS specifications – Welding symbols, riveted joints, keys, fasteners – Reference to hand book for the selection of standard components like bolts, nuts, screws, keys etc. - Limits, Fits – Tolerancing of individual dimensions IS919- Specification of Fits – Preparation of production drawings and reading of part and assembly drawings, basic principles of Geometric Dimensioning &Tolerancing. 

PART II 

2D DRAFTING 

Drawing, Editing, Dimensioning, Layering, Hatching, Block, Array, Detailing, Detailed Drawing. 

1. Bearings – Bush Bearing, 
2. Valves – Safety and Non-return Valves. 
3. Couplings – Flange, Oldham’s, Muff, Gear couplings. 
4. Joints – Universal, Knuckle, Gib& Cotter, Strap, Sleeve &Cotter joints. 
5. Engine parts – Piston, Connecting Rod, Crosshead (vertical and horizontal), Stuffing box, multi-plate clutch. 
6. Machine Components – Screw Jack, Machine Vice, LatheTail Stock, Lathe Chuck, Plummer Block, Vane and Gear pumps. 

Total: 20% of classes for theory classes and 80% of classes for practice 

Note: 25% of assembly drawings must be done manually and remaining 75% of assembly drawings must be done by using any CAD software. The above tasks can be performed manually and using standard commercial 2D CAD software. 

TOTAL:60 PERIODS 

OUTCOMES

At the end of the course the students would be able to 

1. Prepare standard drawing layout for modelled assemblies with BoM. 
2. Model orthogonal views of machine components. 
3. Prepare standard drawing layout for modelled parts 

TEXT BOOKS

1. Gopalakrishna K.R., “Machine Drawing”, 17th Edition, Subhas Stores Books Corner, Bangalore,2003. 
2. N. D. Bhatt and V.M. Panchal, “Machine Drawing”, 51st Edition, Charator Publishers,2022. 

REFERENCES

1. K. L Narayana, P.Kannaiah, K.Venkata Reddy, Machine Drawing , 15 Edition , New Age International Publication 
2. Goutam Pohit and Goutam Ghosh, “Machine Drawing with AutoCAD”, 1st Edition,Pearson Education, 2004 
3. Junnarkar, N.D., “Machine Drawing”, 1st Edition, Pearson Education, 2004 
4. N. Siddeshwar, P. Kanniah, V.V.S. Sastri,” Machine Drawing” , published by Tata McGrawHill,2006 
5. S. Trymbaka Murthy, “A Text Book of Computer Aided Machine Drawing”, CBS Publishers, New Delhi, 2007  

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