-
Lead Screws
10 Lessons-
StartIntroduction to Lead screws
-
StartSpecifications of Lead screws
-
StartPrinciple of Screw- Inclined plane
-
StartForce Analysis Part 1
-
StartForce Analysis Part 2
-
StartSelf Locking Feature and Efficiency of Lead screws
-
StartACME thread equations
-
StartStress in Power Screws
-
Start3D State of Stress
-
StartBearing Stress, Sharing of Load and Friction co efficient of common materials
-
-
Threaded Fasteners
13 Lessons-
StartIntroduction to Threaded Fasteners
-
StartMechanism of Fastening - How Torque is converted to joint?
-
StartAffect of Axial load - Joint diagram
-
StartFastener Bolt Stiffness - Floating Fasteners
-
StartFastener Bolt Stiffness - Fixed Fasteners
-
StartMember stiffness - Rotcher's cone pressure distribution
-
StartMember stiffness - Rotcher's cone pressure distribution Part 2
-
StartMember stiffness - Design Problem
-
StartStrength limit of Bolts
-
StartDesign equations - Externally Applied Load
-
StartRelating Applied torque to Preload
-
StartFactor of Safety, Load Factors and Separation Load
-
StartCauses of Loosening of joints
-
-
Compression Coil Springs
12 Lessons-
StartIntro to Helical Coil Springs
-
StartStresses in Compression coil spring
-
StartWahls Factor
-
StartStrain Energy and Stiffness Derivation
-
StartSpring Ends and Design Details
-
StartPre-setting of Springs
-
StartBuckling stability of compression coil springs
-
StartAllowable limits of Torsion stresses
-
StartIntroduction to Torsion springs
-
StartBending Stresses in Torsion spring
-
StartRate of Torsion Spring
-
StartReduction in Diameter of torsion spring and allowable stress limits
-
-
Belt Drives
18 Lessons-
StartWorking Principle of Belt drives
-
StartDesign Equations and Notations
-
StartBelting Theory - Derivation - Part 1
-
StartBelting Theory - Derivation - Part 2
-
StartBelting Theory - Derivation - Part 3
-
StartDeriving Equation for Initial Tension
-
StartOperating Tension vs Initial Tension Graph and Allowable limits
-
StartCommon Materials for Belts
-
StartFactors that influence Design selection and Transmitted power equations
-
StartDesign Procedure
-
StartService Factors , Correction factor
-
StartDesign Problem - Polyamide Belt Part 1
-
StartDesign Problem - Polyamide Belt Part 2
-
StartInitial Tension and Idler Pulleys
-
StartV belts Introduction
-
StartDesign Procedure - V belts
-
StartDesign Selection Problem- Part 1
-
StartDesign Selection Problem- Part 2
-
Machine design Basics II - Screws, Fasteners, Springs, Belt
Learn about fundamentals of Designing machine components like Power screws, Fasteners, springs and Belt drives
Course Summary
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 4 courses in 1 which covers multiple aspects of design of Power screws, Threaded fasteners, Coil Springs and Belt drives
Topics covered:
Power or Lead Screws :
- Specifications of Power screws
- Principle of Operation
- Force analysis
- Self locking feature
- Stress in Power screws
- Sharing of Load and efficiency
Threaded Fasteners
- Mechanism of Fastening - How torque applied clamps the two parts
- Joint diagram
- Fastener Bolt stiffness
- Member stiffness
- Design problem
- Strength limit of Bolts
- Relation between torque and Preload
- Factor of Safety and Causes of Loosening
Coil Springs:
- Stress in Compression coil spring
- Wahls factor
- Strain energy and relation of Stiffness
- Spring ends and Design details
- Pre-setting of springs
- Buckling stability
- Torsion springs - Design stresses
- Torsion springs - Torsion rate
Belt drives:
- Working principle of Belt drives
- Theory of Belting
- Initial tension
- Design Procedure from manufacturer catalogue
- Design Problem
- V belts Design procedure from standard tables
- Design Problem solved
- Idler pulleys
The Course is designed for Design engineers who apply design principles in designing machine components as part of mechanical systems.
The Course doesn't only give the formulae but discusses on the why and how? of the derivations
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.
