DESIGN OF MACHINE MEMBERS - II (A60329)
NOTE : Design Data Book Permitted.
Design of
all components should include design for strength and rigidity apart from
engineering performance requirements.
UNIT-I
Bearings :
Bearing
Modulus
Full and
partial bearings
Clearance
ratio
Heat
dissipation of bearings
Bearing
materials
Journal
bearing design.
Ball and
roller bearings
Static load
-dynamic load
Equivalent radial
load
Design and
selection of ball & roller bearings.
UNIT-II
Design of IC
Engine Parts :
Connecting
Rod :
Thrust in
connecting rod
Stress due
to whipping action on connecting rod ends
Cranks and
Crank shafts
Strength and
proportions of over hung and center cranks
Crank pins
Crank
shafts.
Pistons
Forces
acting on piston
Construction,
Design and proportions of piston.
UNIT-Ill
Power
Transmission Systems and Pulleys:
Transmission
of power by Belt and Rope ways
Transmission
efficiencies
Belts -Flat
and V types –
Ropes
Pulleys for
belt and rope drives-materials
Chain
drives.
UNIT-IV
Gears :
Spur gears-Load
concentration factor
Dynamic load
factor
Analysis of
spur gears
Check for
plastic deformation
Check for
dynamic and wear consideration.
Helical and
bevel gear drives:
Helical and
bevel gears
Load
concentration factor
Dynamic load
factor
Analysis of
helical and bevel gears
Check for
plastic deformation
Check for
dynamic and wear consideration
Design of
worm gears:
Properties
of worm gears
Selection of
materials
Strength and
wear rating of worm gears
Force
analysis
Friction in
worm gears.
UNIT-V
Design of
Power Screws:
Design of
Screw
Design of
nut
Compound
screw
Differential
screw -ball screw-possible failures.