Clutch Brake Design: overrunning_clutch
Clutch and brake design parameters — friction coefficients (dynamic and static), maximum pressure, temperature limits, sliding velocity, PV limits, and energy density for 9 device types (disc clutch, cone clutch, band brake, disc brake, drum brake, centrifugal clutch, electromagnetic clutch, hydraulic clutch, overrunning clutch) across 5 friction materials (organic, sintered metallic, cerametallic, carbon-carbon, paper wet). Includes design equation references.
| device type | record id | PV limit psi ft per s (psi*ft/s) | energy density BTU per in2 (BTU/in2) | friction coefficient dynamic (dimensionless) | friction coefficient static (dimensionless) | friction material | max pressure psi (psi) | max sliding velocity ft per s (ft/s) | max temperature F (degF) | typical applications | wear rate relative |
|---|---|---|---|---|---|---|---|---|---|---|---|
| overrunning_clutch | overrunning_clutch_organic_026 | 30,000 | 0.5 | 0.3 | 0.35 | organic | 100 | 100 | 300 | Light-duty backstops; bicycle ratchets; fishing reel pawl mechanisms | medium |
| overrunning_clutch | overrunning_clutch_sintered_metallic_025 | 50,000 | 1 | 0.1 | 0.12 | sintered_metallic | 200 | 200 | 400 | Bicycle freewheels; starter drives; backstops; one-way indexing mechanisms; conveyor drives | low |
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