Easy Explained Shafts & Its Types by Hashim Hasnain
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This document discusses different types of shafts used in machines to transmit power. It describes common materials used for shafts, including various carbon steels. The document outlines the different stresses that can act on shafts, such as shear from torque transmission and bending from forces. It also discusses how shafts are designed based on withstanding strength, rigidity, and various loading conditions like twisting, bending and combined moments. Finally, the document introduces different types of shaft couplings used to connect shafts, including rigid, flexible, and universal couplings.
Easy Explained Shafts & Its Types by Hashim Hasnain
- 2. Shafts
- 4. Materials used Types of shafts Stresses in shafts Design of shafts Shafts subjected to bending moment only Types of shaft coupling Introduction of Shaft We Shall Focus on:
- 5. Shaft Rotating machine element. used to transmit power from one part to another part of a machine. pulleys and gears are mounted on it. Transmit torque and bending moment
- 7. Materials used for shafts Properties of materials used in shafts: High Strength Good machinability Low notch sensitivity factor Good heat treatment properties High wear resistance Carbon steels of grades: 40c8, 45c8, 50c4 and 50c12.
- 8. Stresses in Shafts Shear stress due to transmission of torque. Bending Stress due to forces upon machine elements: Pulley Gear Weight of shaft itself Stresses due to combined torsional and bending loads.
- 9. Design of shafts Design Basis on: Strength Rigidity & Stiffness
- 10. CONTINUE…. On the basis of strength: Twisting moment Bending moment Twisting and bending moments Axial load in addition to combined Twisting and bending moments Bending twisting
- 11. What is Bending of Shaft?
- 12. Shaft subjected to Bending Moment only
- 13. Types of Shaft Couplings coupling Rigid coupling Sleeve coupling Flange coupling Compression coupling Flexible coupling Bushed Pin Type Coupling Universal Coupling Oldham Coupling
- 14. Rigid Coupling Sleeve coupling Connect two perfectly aligned shafts Type of rigid coupling Made of cast iron Fitted over the ends of two shafts by means of gib head key
- 15. Clamp or Compression Coupling Flange coupling Muff is divided into two parts which are bolted together Cast iron Type of rigid coupling Made of cast iron Fitted over the ends of two shafts by means of gib head key
- 16. Flexible Coupling Bushed pin type flexible coupling Connect two misaligned shafts Modification of rigid type flange coupling Use pins Rubber or leather bushes are used
- 17. Oldham Coupling Universal coupling Connect two lateral misaligned shafts Also called hooke’s coupling Connect two shafts whose axes intersect at a small angle
- 18. THANK YOU