January 13, 2021

? Type of input energy (electric motor, internal combustion engine with mechanical or hydraulic drive).
? Type of equipment to become driven.
? Amount of horsepower required to supply suffi cient power for the driven shaft.
? Full load pace on the quickest running shaft (rpm).
? Desired pace on the slow operating shaft ( or even the needed speed ratio). NOTE: If speeds are variable establish the horsepower for being transmitted at every pace.
? Diameters with the drive and driven shafts . . . This worth may well restrict the minimum quantity of teeth for your sprockets.
? Center distance from the shafts.
? Note the position and any space limitations that may exist. Generally these limitations are about the maximum diameter of sprockets (this restricts the use of single strand chains) or the width from the chain (this restricts the use of multi-strand chains).
? Conditions of the drive like a determination from the class of load (uniform, reasonable or hefty), serious operating temperatures or chemically aggressive environments must be noted.
Abbreviations Used in Equations
N Quantity of teeth to the huge sprocket.
n Quantity of teeth on the small sprocket.
R Pace in revolutions per minute (rpm) with the large sprocket.
r Pace in revolutions per minute (rpm) of your modest sprocket.
C Shaft center distance in chain pitches.
HP Horsepower rating of the drive motor or engine.
KW Kilowatt energy rating of drive motor or engine if employing metric units.
SF Services Factor

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