Parameters
Lead Angle λ
10.0 °
Friction Coefficient μ
0.050
Gear Ratio i
20
Input Power P
1.0 kW
Input Speed n
1450 rpm
Worm Pitch Diameter d_w
50 mm
Efficiency Formulas
$$\eta_{fwd} = \frac{\tan\lambda}{\tan(\lambda+\varphi)}$$ $$\varphi = \arctan(\mu)$$Self-locking: $\lambda < \varphi$
$$\eta_{rev} = \frac{\tan(\lambda-\varphi)}{\tan\lambda} \; (\lambda > \varphi)$$—
Forward Efficiency η (%)
—
Reverse Eff. / Lock
—
Output Torque (N·m)
—
Output Speed (rpm)
—
Heat Generated (W)
—
Tangential Force Wt (N)
Back-driving allowed