Machine Design II


About the course

This course is the second installment of the journey of Machine Design offered to 8th Semester students of Mechanical engineering.
The syllabus comprises of three major topics: design of Gears, Internal Combustion Engine Parts and Material Handling Equipment.




Teaching Scheme


Teaching Scheme
Evaluation Scheme
Theory
Tutorial
Practical
Total
Credits
Final Exam
(External)
[E]
Midterm Exam
(Internal)
[M]
Practical Exam
(External)
[I]
3 (+ 1)
1
0
4
70
30

(+1) shows an additional lecture per week to deliver the content in desired depth and within the available time frame.

Grades/Marks for Practical Exam include submission of term work and assignments.

Syllabus



Unit

UnitContents
TotalHours
1
external image 194_Moving_gears.gif
SPUR GEARS AND PARALLEL AXIS HELICAL GEARS:
[A] Spur Gear:
1. Gear Terminology, Speed ratios and number of teeth,
2. Force analysis, Tooth stresses, Dynamic effects,
3. Fatigue strength, Factor of safety, Gear materials,
4. Module and Face width-power rating calculations based on strength and wear considerations
[B] Parallel axis Helical Gear:
5. Pressure angle in the normal and transverse plane,
6. Equivalent number of teeth-forces and stresses.
7. Estimating the size of the helical gears.

- Lecture Notes
- Lecture Videos
- Tutorials
07
2
external image worm%20gear.gif
BEVEL AND WORM GEARS:[A] Straight and Spiral Bevel Gear:
1. Tooth terminology,
2. Tooth forces and stresses, equivalent number of teeth.
3. Estimating the dimensions of a pair of straight gears
4. Estimating the dimensions of a pair of spiral bevel gears.
[B] Worm Gear:
5. Merits and demerit, terminology,
6. Thermal capacity, materials, Forces and stresses, efficiency,
7. Estimating the size of the worm gear pair.
07
3
external image transmission-5speed-gears.gif
DESIGN OF GEAR BOXES:
1. Geometric progression
2. Standard step ratio, Ray diagram, kinematics layout
3. Design of sliding mesh gear box
4. Constant mesh gear box
5. Design of multi speed gear box.
05
4
external image engineclr.gif
DESIGN OF I .C. ENGINE COMPONENTS:
1. Selection of type
2. General design consideration
Design of...
3. cylinder,
4. cylinder liner,
5. cylinder head,
6. pistons,
7. connecting rod,
8. crank shaft,
9. valves
10. gears mechanism,
11. flywheel.
14
5
external image Crane_double-lever-jib-type_3D_animated.gif
DESIGN OF MATERIAL HANDLING EQUIPMENT:
[A] Introduction:
1. material handling equipment,
2. classification and their selection.
3. Concept of material handling system design.
[B] Lifting Equipments:
Classification and selection and design of ...
4. Hooks,
5. Sheaves,
6. Drums and Grab buckets.
7. Classification of cranes,
8. Construction working of different types of cranes
[C] Conveying equipments:
9. Classification construction and working of different types of conveyors, feeders and elevators.
10. Design of belt conveyors,
11. Screw conveyors
12. Vibratory conveyors.
12
Units 1/2/3/4 will be taught by Mr. Sachin Daxini
Units 5/6 will be taught by Dr. Keyur Thakkar

Course Calendar