STRENGTH
ANALYSIS of
FLEXIBLE JAW
COUPLING
Under Guidance of:
KI Technologies
Done by:
RAVI CHAITANYA,NARISETTI
OUTLINE:
OBJECTIVE:
To evaluate the strength of Flexible Jaw Coupling under the Torque condition.
TYPE OF ANALYSIS:
Linear Static Analysis
INPUTS:
Geometric Model: Step file (.stp)
Materials: Aluminium Alloy ,Polyethylene, Structural steel
Load: Torque 6462000 N-mm is applied at Drive Flange side
GEOMETRY:
DRIVEN Side
DRIVE Side
Flange Driven
Side
Flange Drive Side
BOLTS
HUB
MATERIAL DATA:
S.no
Component
Material
Young’s Poisson’s
Modulus
Ratio
(Mpa)
Density
(Kg/m3)
Yield
Strength
(Mpa)
1.
Flange Drive
Side
Aluminium
Alloy
71000
0.33
2770
280
2.
Cam Ring
Polyethylene
1100
0.42
950
25
3.
Hub
Aluminium
Alloy
71000
0.33
2770
280
4.
Bolt
Structural
Steel
200000
0.30
7850
250
5.
Flange
Driven Side
Aluminium
Alloy
71000
0.33
2770
280
MESH GEOMETRY:
Load’s and Boundary Conditions:
Torque 6462000 N-mm
Deformation Plot (Total):
Maximum Deformation of 0.10063 mm is observed at Drive Flange side
Stress Plot (Total):
Maximum Equivalent Stress of 70.439 Mpa is observed
Deformation Plot - Flange Drive Side:
Maximimum Deformation at Drive Flange side is 0.10063 mm
Stress Plot - Flange Drive Side:
Maximimum Stress at Drive Flange side is 17.201 Mpa
Deformation Plot - Flange Driven Side:
Maximimum Deformation at Driven Flange side is 0.068766 mm
Stress Plot - Flange Driven Side:
Maximimum Stress at Driven Flange side is 70.439 Mpa
Deformation Plot - Hub:
Maximimum Deformation at Driven Flange side is 0.10026 mm
Stress Plot - Hub:
Maximimum Stress at Hub is 52.826 Mpa
SAFTEY FACTOR:
Safety Factor of Flexible-Jaw-Coupling is in range of 3.975 – 15.
RESULTS:
S.no
Component
Material
Total
Deformation
(mm)
Maximum
Stress
(Mpa)
Material
Yield
Strength
(Mpa)
Factor of
Safety
1.
Flange Drive
Side
Aluminium
Alloy
0.10063
17.201
280
16.28
2.
Hub
Aluminium
Alloy
0.10026
52.826
280
5.30
3.
Flange Driven
Side
Aluminium
Alloy
0.068766
70.439
280
3.97
CONCLUSION:
o The Total Deformation of the Flexible-Jaw-Coupling is 0.10063 mm
o The Maximum Equivalent Stress of Flexible-Jaw-Coupling is 70.439 Mpa
o The Flexible-Jaw-Coupling design is Safe because the Factor of Safety in range of 3.975 – 15