So berechnen Sie Gear Ratio
learn.whatIsHeading
Gear ratio is the speed reduction/increase between input and output shafts. It determines torque multiplication and shaft speeds.
Formel
Ratio = N_input / N_output = N_driven / N_driver = T_output / T_input
Schritt-für-Schritt-Anleitung
- 1Ratio = N_input / N_output = N_driven / N_driver = T_output / T_input
- 2Spur gears: ratio = number of teeth on driven / number on driver
- 3Power is conserved: P = T × ω
Gelöste Beispiele
Eingabe
Input 1800 rpm, output 600 rpm
Ergebnis
Gear ratio = 3:1 (3× speed reduction, 3× torque increase)
Power unchanged
Häufige Fehler vermeiden
- ✕Confusing speed ratio with force multiplication
- ✕Neglecting friction losses in extended calculations
Häufig gestellte Fragen
Can any two gears mesh together?
No, they must have same pressure angle and pitch. Teeth must fit smoothly without interference.
How is efficiency handled?
Mechanical power loss (5-10%) converts to heat; P_out = P_in × η.
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