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Roller Detent Mechanism Design Equations and Calculator

Machine Design and Mechanics

Roller Detent Mechanism Design Equations and Calculator

This is an example of a roller detent mechanism for linear rack and pinion functions.

Roller Detent Mechanism Design Equations and Calculator

Preview: Roller Detent Mechanism Design Calculator

Roller Detent Mechanism Design Equations

Displacement in the S (vertical) Equation
S = ( ( N · tan α ) / 2 ) - R ( ( 1 - cos α ) / ( cos α ) )

Roller Radius Equation
R = ( ( ( N · tan α ) / 2 ) - S ) · ( ( cos α / ( 1 - cos α ) )

Where:

R = radius (in, mm)
N = length (in, mm)
α = angle (degrees)

Reference:
Handbook of Machining and Metal Working Calculations, Ron A. Walsh 2001
Forming and Forging Manual, ASM
Air Engines Theodor Finkelstein

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