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Automotive braking system
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Automotive braking system

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mechanical braking system-hydraulic braking system-disc brakes-pneumatic brakes-vaccum brakes-brake efficiency-trouble shooting

mechanical braking system-hydraulic braking system-disc brakes-pneumatic brakes-vaccum brakes-brake efficiency-trouble shooting

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  • 1. BRAKING SYSTEM By R.Vara Prasad Asst. professor
  • 2. CONTEXT:  Principle  Braking Requirements  Purpose & Location Of Brakes  Construction  Method Of Actuation  Anti-Braking System  RequirementOf Brake fluid  Brake Maintenance  Trouble Shooting
  • 3. PRINCIPLE:  Brakes are required to stop the vehicle within the smallest possible distance by converting the kinetic energy into the heat energy which is dissipated into atmosphere.
  • 4. BRAKING REQUIREMENTS:  Strong  Consistent  Control  Anti fade  Effectiveness & Cooling
  • 5. Purpose & Location Of Brakes:  Service Brakes  Parking Brakes.  Transmission  Wheels
  • 6. CONSTRUCTION: DRUM BKAKES:  Attached concentric to axle hub  Casing is mounted on back plate  Protects the drum and shoe assembly from mud and dust  It absorb complete torque so called as torque plate  Anchored at one end and force is applied on other end by actuating mechanism which forces the brake shoe against revolving drum thereby applying the brakes.
  • 7. DISC BRAKES:  Consists of cast iron disc bolted to wheel hub & stationary housing called caliper  Connected to stationary part and cast into two parts each containing piston  Friction pads are held b/w piston and disc  Hydraulically actuated pistons moves the friction pads into contact with the disc  Rubber sealing rings act as return springs
  • 8. METHOD OF ACTUATION:  Mechanical brakes  Hydraulic brakes  Electric brakes  Vacuum brakes  Air brakes
  • 9. VACUUM BRAKES:
  • 10. PNEUMATIC BRAKES:
  • 11. Anti-Braking System:
  • 12. Requirement Of Brake fluid: • Boiling point • Viscosity • Lubrication properties • Effect on rubber • Corrosive action • Storage stability
  • 13. Brake Maintenance:  Periodic checking  Topping the level of brake fluid  Adjustment of brakes to compensate wear of brake lining  Lubrication  Changing of rubber cups and seals
  • 14. Trouble Shooting: • Loss of braking efficiency • Brake fade • Brakes binding • Brakes overheating • Brake judder • Vehicle pulling to one side when brakes applied • Grabbing brakes • Hand brakes ineffective • Excessive loss of brake fluid • Presence of air in the braking system
  • 15. Presented by 1)M. GIRISH 2)V.RAVITEJA