How It Works - Brake Theory
+Friction Brake Calculator
Calculate braking torque, actuating force, and thermal capacity for band, disc, and drum brakes.
Operating Conditions
Radius of gyration of rotating mass
✓
Design OK
Pressure within allowable limits
Brake Performance Results
Braking Torque
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Actuating Force
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Contact Pressure
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Energy to Absorb
--
Power (continuous)
--
Stopping Time
--
Select brake type and enter dimensions.
Allowable Pressure
| Material | p_max (MPa) |
|---|---|
| Woven asbestos-free | 0.7-1.0 |
| Molded organic | 1.0-1.7 |
| Sintered metal | 1.4-2.1 |
| Ceramic | 2.0-3.5 |
Friction Coefficients
| Material | mu (dry) |
|---|---|
| Organic lining | 0.30-0.40 |
| Semi-metallic | 0.35-0.45 |
| Sintered bronze | 0.25-0.35 |
| Cast iron on steel | 0.15-0.25 |