KNUCKLE JOINT SIMULATION
Simulation of R`
Date: 13 October 2019
Designer: MAYANK
Study name: knuckle joint simulation
Analysis type: Static
Table of Contents
Description...........................................1
Assumptions..........................................2
Model Information..................................2
Study Properties.....................................4
Units..................................................4
Material Properties.................................5
Loads and Fixtures..................................5
Connector Definitions..............................6
Contact Information................................6
Mesh information....................................7
Sensor Details........................................8
Description Resultant Forces....................................8
Beams.................................................8
A knuckle joint is a mechanical joint used to connect two rods Study Results........................................9
which are under a tensile load, when there is a requirement of Conclusion..........................................11
small amount of flexibility, or angular moment is necessary.
There is always axial or linear line of action of load
The knuckle joint assembly consists of the following major
components:
1. Single eye.
2. Double eye or fork
3. Knuckle pin.
At one end of the rod the a single eye is formed and a double
eye is formed at the other end of the rod. Both, single and double
eye are connected by a pin inserted through the eye. The pin has
a head at one end and at other end there is a taper pin or split
pin. For gripping purpose, the ends of the rod are of octagonal
forms. Now, when the two eyes are pulled apart, the pin holds
them together. The solid rod portion of the joint in this case is
much stronger than the portion through which the pin passes
Analyzed with SOLIDWORKS Simulation Simulation of R4W354 1
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Assumptions
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Study Properties
Study name knuckle joint simulation
Analysis type Static
Mesh type Solid Mesh
Thermal Effect: On
Thermal option Include temperature loads
Zero strain temperature 298 Kelvin
Include fluid pressure effects from SOLIDWORKS Off
Flow Simulation
Solver type FFEPlus
Inplane Effect: Off
Soft Spring: Off
Inertial Relief: Off
Incompatible bonding options Automatic
Large displacement Off
Compute free body forces On
Friction Off
Use Adaptive Method: Off
Result folder SOLIDWORKS document (C:\Users\User\Desktop)
Units
Unit system: SI (MKS)
Length/Displacement mm
Temperature Kelvin
Angular velocity Rad/sec
Pressure/Stress N/m^2
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Material Properties
Model Reference Properties Components
Name: Alloy Steel SolidBody 1(Cut-Extrude1)
Model type: Linear Elastic Isotropic (barrel-1),
Default failure Max von Mises Stress SolidBody 1(Fillet4)(eye
criterion: knucle-1),
Yield strength: 6.20422e+008 N/m^2 SolidBody 1(Cut-Extrude3)
Tensile strength: 7.23826e+008 N/m^2 (eyepin-1),
Elastic modulus: 2.1e+011 N/m^2 SolidBody 1(Fillet12)(fork-1),
Poisson's ratio: 0.28 SolidBody 1(Boss-Extrude1)
Mass density: 7700 kg/m^3 (pin-1)
Shear modulus: 7.9e+010 N/m^2
Thermal expansion 1.3e-005 /Kelvin
coefficient:
Curve Data:N/A
Loads and Fixtures
Fixture name Fixture Image Fixture Details
Entities: 1 face(s)
Type: Fixed Geometry
Fixed-1
Resultant Forces
Components X Y Z Resultant
Reaction force(N) -499.989 0.0132747 0.00538588 499.989
Reaction Moment(N.m) 0 0 0 0
Load name Load Image Load Details
Entities: 1 face(s)
Type: Apply normal force
Value: -500 N
Force-1
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Connector Definitions
No Data
Contact Information
Contact Contact Image Contact Properties
Type: Bonded
Components: 1 component(s)
Options: Compatible
mesh
Global Contact
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Mesh information
Mesh type Solid Mesh
Mesher Used: Standard mesh
Automatic Transition: Off
Include Mesh Auto Loops: Off
Jacobian points 4 Points
Element Size 7.3692 mm
Tolerance 0.36846 mm
Mesh Quality High
Remesh failed parts with incompatible mesh Off
Mesh information - Details
Total Nodes 16210
Total Elements 10241
Maximum Aspect Ratio 10.117
% of elements with Aspect Ratio < 3 96.8
% of elements with Aspect Ratio > 10 0.00976
% of distorted elements(Jacobian) 0
Time to complete mesh(hh;mm;ss): 00:00:05
Computer name:
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Sensor Details
No Data
Resultant Forces
Reaction forces
Selection set Units Sum X Sum Y Sum Z Resultant
Entire Model N -499.989 0.0132747 0.00538588 499.989
Reaction Moments
Selection set Units Sum X Sum Y Sum Z Resultant
Entire Model N.m 0 0 0 0
Beams
No Data
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Study Results
Name Type Min Max
Stress1 VON: von Mises Stress 1092.89 N/m^2 1.65048e+006 N/m^2
Node: 16075 Node: 15317
R4W354-knuckle joint simulation-Stress-Stress1
Name Type Min Max
Displacement1 URES: Resultant Displacement 0 mm 0.00131304 mm
Node: 8318 Node: 5088
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Name Type Min Max
R4W354-knuckle joint simulation-Displacement-Displacement1
Name Type Min Max
Strain1 ESTRN: Equivalent Strain 2.2424e-009 6.02893e-006
Element: 10079 Element: 7842
R4W354-knuckle joint simulation-Strain-Strain1
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Conclusion
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