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January 13, 2021

? Type of input energy (electrical motor, internal combustion engine with mechanical or hydraulic drive).
? Type of tools to become driven.
? Amount of horsepower expected to provide suffi cient energy to the driven shaft.
? Full load speed of your fastest running shaft (rpm).
? Desired velocity in the slow operating shaft ( or even the essential velocity ratio). NOTE: If speeds are variable determine the horsepower to be transmitted at each and every pace.
? Diameters with the drive and driven shafts . . . This value may perhaps restrict the minimum amount of teeth for your sprockets.
? Center distance on the shafts.
? Note the place and any space limitations that could exist. Typically these limitations are within the optimum diameter of sprockets (this restricts the use of single strand chains) or the width of the chain (this restricts using multi-strand chains).
? Conditions of the drive which include a determination from the class of load (uniform, reasonable or heavy), serious operating temperatures or chemically aggressive environments ought to be mentioned.
Abbreviations Used in Equations
N Amount of teeth about the huge sprocket.
n Number of teeth about the tiny sprocket.
R Speed in revolutions per minute (rpm) on the substantial sprocket.
r Pace in revolutions per minute (rpm) in the small sprocket.
C Shaft center distance in chain pitches.
HP Horsepower rating of your drive motor or engine.
KW Kilowatt energy rating of drive motor or engine if applying metric units.
SF Service Factor