Machine design Basics – I – Shaft, Bearings & Gears
Learn the basics of shaft design, bearing selection, and gear design in this comprehensive course. Perfect for students and professionals in mechanical engineering, this course covers everything from stress analysis to CAD workflows. Whether you’re looking to refresh your knowledge or design components for mechanical assemblies, this course is a valuable reference guide. Expand your understanding with practical examples and case studies. Start designing with confidence today.
What you’ll learn
- Basics of Shaft design
- Basics of Lay outing for power transmission systems
- Shaft design for strength considering stress concentration and fatigue
- Bearing Selection process and Bearing life calculations
- How to calculate factors for modified L10 life of bearing
- Gear design from scratch – specifications , CAD workflow, Force analysis and Stress analysis
- Design methodology for Helical , Bevel and Worm gear design in Fusion 360
Machine design is a large subset of study under mechanical engineering design which includes design of common components used in machines.
This is a mega-course of 3 courses in 1 which covers multiple aspects of design of Shafts and elements which are generally mounted it – Bearings and Gears.
It is a deep dive into the Shaft design process and selection also deals with the Bearing selection in detail . Then moving to a deep dive in Gear design with practical CAD design of gears based on input specifications.
Topics covered:
Shaft and layout design
Basics of simple power transmission system design
Loads and Load cases
Materials and manufacturing of shafts
Basics of Shaft design
Layout scheme and General lay outing
Keys and key ways
Set screws and collars
Splines and Serrations design selection based on standards
Interference and press fits
Stress analysis – method of analysis
Incorporation of stress concentration factors
Notch sensitivity in fatigue
Endurance limit and modifying factors
Deflection and Slope
Stress due to interference fits
Torque capacity of press fits
Solid vs Hollow shafts and Couplings
Bearing Selection
Factors which drive Bearing selection
Contact stresses study
Bearing life equation derivation and L10 life
Modified Life – Factors
Contamination factor, viscosity ratio
Determining equivalent bearing load
Mounting scheme
Example to go through the selection process
Gear design
Conjugate action in Gears
Involute profile construction
Spur gear design basics and CAD workflow (fusion 360)
Contact Ratio and Interference
Basics of Helical gear design and CAD workflow (fusion 360)
Basics of Bevel gear design and CAD workflow (fusion 360)
Basics of Worm gear design and CAD workflow (fusion 360)
Force analysis of spur gear
Force analysis of Bevel gear
Force analysis of Helical gear
Force analysis of Worm gear
Stress calculations for standard tooth profile
Pitting equations
The course is intended to be a library of knowledge regarding machine components and will be expanded further in the future with more examples and case studies.
Who this course is for:
- Students who want to learn from the application point of view on how to design components
- Professionals who want to refresh their basics relating to component design
- Enthusiasts looking for a reference guide to designing components for simple mechanical assemblies
