Simple Band Brakes
Simple Band Brakes
Simple Band Brakes
BRAKE CALCULATIONS
b
T1
T2
1. Drum diameter 2. Width of the lining 3. Angle of the contact 4. Distance of brake pedal c 5. b 6. Drum speed 7. Maximum lining pressure (p1) 8. Coefficient of friction () Maximum tension in the band P1 T1 T1 T1
- 25 cm - 15 cm - 270 0 - 30cm - 7 cm - 60 rpm - 5 Kg/cm 2 - 0.4 -T1 =T1/wr = P1wr = 5*15*25/2 = 937.5 Kg
T1/ T2
= e
T2 T2 T2 T2 Force (p) P P P P
This force can be applied in humans. So than we can to use this type of band brake.