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Project walkthrough
13 Lessons-
StartVehicle specifications and suspension travel
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StartWheel reference and setting Wheel co ordinates in CAD
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StartLocating points in 3D
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StartLocating the Wheel end
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StartBall pins and Considerations for Steering knuckle design
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StartLocating and design of Pivots of suspension
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StartLocating Steering points
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StartLocating shock absorber points
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StartDesign of Upper control arm
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StartDesign of UCA - CAD workflow
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StartDesign of Lower control arm
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StartDesign of LCA - CAD workflow
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StartDesign of Shock absorber assembly
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Calculations- Analysis
25 Lessons-
StartUntitled lesson
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StartIntroduction to Calculations
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StartRide frequency intro
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StartDefinitions - Ride Rate and Wheel centre rate
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StartArriving at initial Wheel center Rate and Ride rate
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StartCalculating Ride frequency of sprung mass and unsprung mass
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StartMotion Ratio and its equation
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StartCreating a Parametric Sketch for Kinematics of suspension- Part 1
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StartCreating a Parametric Sketch for Kinematics of suspension- Part 2
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StartDeriving motion ratio from articulation study of parametric sketch
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StartCoil spring Design Part 1
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StartCoil Spring Design Part 2
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StartSpecifying the damper and intro to damping co efficient
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StartCritical Damping, Damping ratio and why underdamping ?
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StartDamping curve and Specifying Damper lengths
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StartAffect of unsprung mass in Damping
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StartCalculating Roll stiffness
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StartCalculating Caster King pin inclination and Scrub radius
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StartFinding location of Roll centre in Front view
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StartAnti Dive feature and calculations
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StartBump Steer calculations Part 1
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StartBump Steer calculations Part 2
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StartForce analysis Part 1
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StartForce analysis of Wheel end, Force triangle in CAD
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StartForce analysis of LCA , CAD workout and complete force system
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Concept Design of a Double Wishbone Suspension system
Learn how to design a double wishbone suspension system from scratch with calculations
Course Summary
This is a project based course which revolves around the design of a Double wishbone suspension system which is the most common Front suspension configuration in passenger vehicles.
Suspension design is a critical activity in Vehicle product development and this course covers the design methodlogy and philosophy behind designing the system .
Topics covered:
- Basics of suspensions
- Basics of kinematics of a 4 bar linkage
- Construction of a double wishbone system
- The Design process and major activities
Project walkthrough
- How to decipher Vehicle specifications and start the design
- Setting important points in 3D .
- Locating the Wheel end
- Locating and Designing Ball pins and pivots of suspension arms
- Locating steering points
- Locating Shock absorber points
- Design of Upper control arm and considerations
- Design of Lower control arm and considerations
Design Calculations and Analyses
- Ride frequency intro
- Arriving Wheel centre rate and then Ride rate
- Calculating the Ride frequency
- Arriving at the Spring rate
- Designing the spring and setting specifications
- Setting specifications for the damper
- Creating a parametric sketch to simulate suspension articulation kinematics
- Finding Roll centre location in Front view
- Finding Roll stiffness from springs
- Finding Caster, King pin inclination , scrub
- Force analyses of suspension members
The course will develop a deep understanding of how to design suspension system and do the concept level analysis to set it up
Who is it for ?
- Automotive engineers already in the field and want to learn the suspension design
- Engineering students
- Automotive enthusiasts with automotive engineering knowledge
Course Curriculum
Mufaddal Rasheed
Mufaddal Rasheed is a mechanical design engineer , inventor and online entrepreneur working towards building a comprehensive knowledge resource base for students and mechanical design professionals with focus on building skills and knowledge to design mechanical products
The goal is to build a comprehensive knowledge eco-system for mechanical design engineers and aspirants which would prepare an individual for engineering innovation and advance their careers in terms of knowledge.
Experienced professional with 7+ years experience in Automotive product development designing chassis and suspension systems and being part of multiple projects from concept to production.
He is passionate about mechanical design and innovation and writes regularly on Quora with a Top writer badge.
Core belief is that engineering is a lifelong learning process and for a designer it is "the more you know the better you design"
Working towards developing an alternate solution to the problems of engineering education and upskilling for economic growth.