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Mechanical design with Fusion 360 : Design of Jack
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Introduction
What is a Car jack?
Basics of Lead screws
Problem statement and Requirements
Concept Parametric Sketch
Special Feature- Interlocking teeth
Base Bracket
Bottom Link 1 Design - Sketch
Bottom Link 1 Modelling
Bottom Link 2 Sketch
Transferring Body from Top component to sub component
Bottom Link 2 Modelling
Top Link 1 Modelling
Top Link 2 Design
Making Holes on links
Top Bracket design
Pin Blocks Modelling
Lead screw Modelling
Hook Modelling ( for rotating the lead screw)
Need for Bearing
Modelling Bearing housing
Top and Bottom Pin Rivet modelling
Modelling the Mid Threaded Pins
Aligning the Mid Pins to Holes
Importance of Section of Links
Static Force Analysis Of Top links
Finding the tension in Lead screw Rod
Simplified Formula relating Tension to Load
Specifications of the Lead screw Threads
Working Principle - Inclined Plane
Free Body Diagram of Lead Screw
Force Analysis of Lead Screw
Equations for torque and Self Locking conditions
Specifying the Threads in SI units
Calculating Raising Torque and Check Self Locking
Tensile Stress in Lead Screw calculations
Evaluating the Pins for Shear
Evaluating the Lead screw in Torsion
Calculating Number of Revolutions required to lift
Possible Failure Modes and Design Remedies
Introduction
Introduction
What is a Car jack?
Preview
Basics of Lead screws
Problem statement and Requirements
Concept Design
Concept Parametric Sketch
Special Feature- Interlocking teeth
CAD Modelling
Base Bracket
Bottom Link 1 Design - Sketch
Bottom Link 1 Modelling
Preview
Bottom Link 2 Sketch
Transferring Body from Top component to sub component
Bottom Link 2 Modelling
Top Link 1 Modelling
Top Link 2 Design
Making Holes on links
Top Bracket design
Pin Blocks Modelling
Lead screw Modelling
Hook Modelling ( for rotating the lead screw)
Need for Bearing
Modelling Bearing housing
Top and Bottom Pin Rivet modelling
Modelling the Mid Threaded Pins
Aligning the Mid Pins to Holes
Importance of Section of Links
Force Analysis of Links
Static Force Analysis Of Top links
Finding the tension in Lead screw Rod
Simplified Formula relating Tension to Load
Design of Lead Screw - Principles and calculations
Specifications of the Lead screw Threads
Working Principle - Inclined Plane
Free Body Diagram of Lead Screw
Preview
Force Analysis of Lead Screw
Equations for torque and Self Locking conditions
Specifying the Threads in SI units
Calculating Raising Torque and Check Self Locking
Tensile Stress in Lead Screw calculations
Design Calculations and Failure Modes
Evaluating the Pins for Shear
Evaluating the Lead screw in Torsion
Calculating Number of Revolutions required to lift
Possible Failure Modes and Design Remedies
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