Gear Ratio Nasıl Hesaplanır?
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Gear ratio is the speed reduction/increase between input and output shafts. It determines torque multiplication and shaft speeds.
Formül
Ratio = N_input / N_output = N_driven / N_driver = T_output / T_input
Adım Adım Kılavuz
- 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
Çözümlü Örnekler
Giriş
Input 1800 rpm, output 600 rpm
Sonuç
Gear ratio = 3:1 (3× speed reduction, 3× torque increase)
Power unchanged
Kaçınılması Gereken Yaygın Hatalar
- ✕Confusing speed ratio with force multiplication
- ✕Neglecting friction losses in extended calculations
Sık sorulan sorular
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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