Inclined Wedge Force and Friction Equation and Calculator

Machine Design and Application

Inclined Wedge Force and Friction Equation and Calculator

Force is applied perpendicular to Wedge/Angled and Horizontal Surface

Inclined Wedge Force and Friction Equation and Calculator

Neglecting Friction:

P = 2 · Q · sin α
P = 2 · Q · b / l

Q = 0.5 · P · cosec α
Q = P · l / (2b)

With Friction:

P = 2 · Q · ( µ cos α + sin α )

Where:

P = Load (lbs, N)
Q = Load (lbs, N)
α = Angle (deg.)
µ = Coefficient of Friction
b = Length (in,mm)
l = Length (in,mm)

Reference: Machinery's Handbook

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