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Design of Clutches and Brakes in Design of Machine Elements.pptx
- 1. Maharaja Institute of Technology Mysore Department of Mechanical Engineering Design of Machine Elements - II Module – 04 Design of Clutches & Brakes 3/19/2024
- 2. Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 4. 3/19/2024 Brakes & Clutches Department of Mechanical Engineering, MIT Mysore
- 5. 3/19/2024 Brakes & Clutches Department of Mechanical Engineering, MIT Mysore
- 6. 3/19/2024 Department of Mechanical Engineering, MIT Mysore
- 7. 3/19/2024 Brakes & Clutches Department of Mechanical Engineering, MIT Mysore
- 8. 3/19/2024 Brakes & Clutches Department of Mechanical Engineering, MIT Mysore
- 9. 3/19/2024 Brakes & Clutches Department of Mechanical Engineering, MIT Mysore
- 10. 3/19/2024 Brakes & Clutches Department of Mechanical Engineering, MIT Mysore
- 11. 3/19/2024 Brakes & Clutches Department of Mechanical Engineering, MIT Mysore
- 12. Page 267 in DDHB 3/19/2024 Brakes & Clutches Department of Mechanical Engineering, MIT Mysore
- 13. 3/19/2024 Brakes & Clutches Department of Mechanical Engineering, MIT Mysore
- 14. 3/19/2024 Brakes & Clutches Department of Mechanical Engineering, MIT Mysore
- 15. 3/19/2024 Brakes & Clutches Department of Mechanical Engineering, MIT Mysore Select Higher value of Torque
- 16. 3/19/2024 Brakes & Clutches Department of Mechanical Engineering, MIT Mysore
- 17. 3/19/2024 Brakes & Clutches Department of Mechanical Engineering, MIT Mysore
- 18. 3/19/2024 Brakes & Clutches Department of Mechanical Engineering, MIT Mysore
- 19. 3/19/2024 Brakes & Clutches Department of Mechanical Engineering, MIT Mysore
- 20. 3/19/2024 Brakes & Clutches Department of Mechanical Engineering, MIT Mysore
- 21. 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 22. 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 23. 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 24. 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 25. 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 26. 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 27. 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 28. 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 29. 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 30. 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 31. 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 32. 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 33. 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 34. 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 35. 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 36. 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 37. 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 38. 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 39. 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 40. 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 41. 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 42. BAND BRAKE • A band brake consists of a flexible band generally Made of steel strip lined with friction material is wrapped partly round the drum. • The band is fixed and the drum rotates. • The frictional force between the drum and the band will introduce brake torque on the drum. • It is classified into two types (i) simple band brake (ii) Differential band brake. SIMPLE BAND BRAKE • A simple band brake is shown in Fig. • If one end of the band is connected to the fixed fulcrum and the other end on the lever, then the band brake is called simple band brake. • There is no self locking in simple band brake. 3/19/2024 Brakes & Clutches
- 43. 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 44. 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 45. Formulas to remember 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 46. 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 47. 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 48. 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 49. 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 50. 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 51. 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 52. 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 53. 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 54. 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 55. 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 56. 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 57. 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 58. 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 59. 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 60. 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 61. 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 62. 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 63. DIFFERENTIAL BAND BRAKE • In differential band brake no end of the band is connected to the fulcrum • The two ends of the band is connected to the pins on the lever at a distance of b1 and b2 from the fulcrum • The force F will act in the upward direction when b2 > b1 • The force F will act in the downward direction when b2 < b1 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 64. Differential Band Brake 1. A differential band brake has an operating lever 225 mm iong. The ends of the brake band are attached so that their operating arms are 38 mm and 127 mm long. Brake drum diameter = 600 mm, arc of contact is 300° and μ = 0.22. The band is 3.2 mmx 100 mm i) Find the least force required at the end of operating lever when the band is subjected to a stress of 55 N/mm. ii) What is the torque applied to the brake drum shaft. iii) Is this brake self locking? Prove your answer Data D 600 mm; R = 300 mm; μ= 0.22; θ = 300°; h= 3.2 mm; w = 100 mm; σd = 55 N/mm2 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 65. Solution: 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 66. 3/19/2024 Brakes & Clutches Department of Mechanical Engineering, MIT Mysore
- 67. 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 68. 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 69. 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 70. 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 71. 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 72. 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 73. 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 74. 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 75. 3/19/2024 Department of Mechanical Engineering, MIT Mysore Brakes & Clutches
- 76. Thank You 3/19/2024 * Reminder for submission of DME-II Assignment & respective lab records