Machine design Basics - I - Shaft, Bearings & Gears
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
Requirements
- Pre-requisites are understanding of Strength of materials, Engineering mechanics
- Basic exposure to mechanical engineering design
- Autodesk Fusion 360 will be used to design
Description
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
Instructor
- 4.4 Instructor Rating
- 11,312 Reviews
- 36,345 Students
- 24 Courses
Mufaddal Rasheed is a mechanical design engineer and an inventor experienced in a role in Automotive R&D designing complete Chassis systems from Concept to production for SUV projects in Mahindra & Mahindra Ltd for 7 years . Part of a team which delivered a innovative modular chassis platform for 5 vehicles.
With knowledge of the complete product development process and the details of engineering systems, he brings to the table a combination of analytical and creative skills.
Currently working on multiple projects of his own towards becoming a serial inventor and educator in the area of Design engineering.
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".
Building a comprehensive knowledge system for mechanical design engineers and aspirants which would prepare an individual for engineering innovation at Mechademic
The Courses are focused on Practical aspects of Automotive and General Mechanical design engineering Targeted purely towards product development grounded in theory.
What students say about the courses according to 600+ sample surveys
97 % say they are learning valuable information
96 % say the explanation of concepts is clear
99 % say the instructor is knowledgeable in the subject