MACHINE DRAWING AND GD & T (21MEL35)

MACHINE DRAWING AND GD & T

Course Code 21MEL35
CIE Marks 50
Teaching Hours/Week (L:T:P: S) 0:0:2*:0 
SEE Marks 50
Credits 01 
Exam Hours 03

Module 1 

Review of basic concepts of Engineering Visualization Geometrical Dimensioning and Tolerances (GD&T): Introduction, Fundamental tolerances, Deviations, Methods of placing limit dimensions, machining symbols, types of fits with symbols and applications, geometrical tolerances on drawings. Standards followed in industry.

Module 2 

Sections of Simple and hollow solids: True shape of sections.

Module 3 

Thread Forms: Thread terminology, sectional views of threads. ISO Metric (Internal & External), BSW (Internal & External) square and Acme. Sellers thread, American Standard thread, Helicoil thread inserts 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, countersunk head screw, grub screw, Allen screw Rivets Keys: Parallel key, Taper key, Feather key, Gib-head key and Woodruff key.

Module 4 

Assembly of Joints, couplings and clutches (with GD&T)using 2D environment Joints: Like Cotter joint (socket and spigot), knuckle joint (pin joint). Couplings: Like flanged coupling, universal coupling Clutches: Like Single Plate clutch, cone clutch

Module 5

Assembly of Machine Components (with GD&T) using 3D environment

(Part drawings shall be given)

1. Bearings

2. Valves

3. Safety Valves

4. I.C. Engine components

5. Lifting devices

6. Machine tool components

7. Pumps

Suggested Learning Resources:
Books:

● K L Narayana, P Kannaiah, K Venkata Reddy, “Machine Drawing”, New Age International, 3rd Edition. ISBN-13: 978-81-224-2518-5, 2006

● N D Bhatt , “Machine Drawing”, Charotar Publishing House Pvt. Ltd.,50th Edition, ISBN-13: 978-9385039232, 2014

Reference Books:

● Sadhu Singh, P. L. Sah, “Fundamentals of Machine Drawing”, PHI Learning Pvt. Ltd, 2nd Edition, ISBN: 9788120346796, 2012

● Ajeet Singh, “MACHINE DRAWING”, Tata McGraw-Hill Education, , ISBN: 9781259084607, 2012