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Inclined Wedge Force and Friction 2 Equation and Calculator

Machine Design and Application

Inclined Wedge Force and Friction Equation and Calculator

Force is applied Horizontal to Wedge/Angled and Perpendicular to Horizontal Surface

Neglecting Friction:

P = 2 · Q · tan α
P = 2 · Q · b / h

Q = 0.5 · P · cotα
Q = P · h / (2b)

With Friction:

P = 2 · Q · tan (α + φ )
µ = Coefficient of Friction = tan φ

Where:

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

Reference: Machinery's Handbook