Machine element Design II – Screws, Fasteners, Springs, Belt

سرفصل های دوره

Learn about fundamentals of Designing machine components like Power screws, Fasteners, springs and Belt drives

1. Introduction

1. Introduction

2. Lead Scews

1. Introduction to Lead screws

2. Specifications of Lead screws

3. Principle of Screw- Inclined plane

4. Force Analysis Part 1

5. Force Analysis Part 2

6. Self Locking Feature and Efficiency of Lead screws

7. ACME thread equations

8. Stress in Power Screws

9. 3D State of Stress

10. Bearing Stress, Sharing of Load and Friction co efficient of common materials

3. Threaded Fasteners

1. Introduction to Threaded Fasteners

2. Mechanism of Fastening - How Torque is converted to joint

3. Affect of Axial load - Joint diagram

4. Fastener Bolt Stiffness - Floating Fasteners

5. Fastener Bolt Stiffness - Fixed Fasteners

6. Member stiffness - Rotchers cone pressure distribution

7. Member stiffness - Rotchers cone pressure distribution Part 2

8. Member stiffness - Design Problem

9. Strength limit of Bolts

10. Design equations - Externally Applied Load

11. Relating Applied torque to Preload

12. Factor of Safety, Load Factors and Separation Load

13. Causes of Loosening of joints

4. Compression Coil Springs

1. Intro to Helical Coil Springs

2. Stresses in Compression coil spring

3. Wahls Factor

4. Strain Energy and Stiffness Derivation

5. Spring Ends and Design Details

6. Pre-setting of Springs

7. Buckling stability of compression coil springs

8. Allowable limits of Torsion stresses

9. Introduction to Torsion springs

10. Bending Stresses in Torsion spring

11. Rate of Torsion Spring

12. Reduction in Diameter of torsion spring and allowable stress limits

5. Belt Drives

1. Working Principle of Belt drives

2. Design Equations and Notations

3. Belting Theory - Derivation - Part 1

4. Belting Theory - Derivation - Part 2

5. Belting Theory - Derivation - Part 3

6. Deriving Equation for Initial Tension

7. Operating Tension vs Initial Tension Graph and Allowable limits

8. Common Materials for Belts

9. Factors that influence Design selection and Transmitted power equations

10. Design Procedure

11. Service Factors , Correction factor

12. Design Problem - Polyamide Belt Part 1

13. Design Problem - Polyamide Belt Part 2

14. Initial Tension and Idler Pulleys

15. V belts Introduction

16. Design Procedure - V belts

17. Design Selection Problem- Part 1

18. Design Selection Problem- Part 2

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تولید کننده: Udemy