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? Type of input energy (electrical motor, internal combustion engine with mechanical or hydraulic drive).
? Type of tools to become driven.
? Amount of horsepower needed to supply suffi cient power to the driven shaft.
? Full load velocity of the quickest operating shaft (rpm).
? Desired velocity in the slow operating shaft ( or even the demanded velocity ratio). NOTE: If speeds are variable determine the horsepower to get transmitted at every pace.
? Diameters on the drive and driven shafts . . . This value may perhaps restrict the minimal quantity of teeth for that sprockets.
? Center distance of your shafts.
? Note the position and any area limitations that could exist. Usually these limitations are to the highest diameter of sprockets (this restricts the use of single strand chains) or even the width in the chain (this restricts the use of multi-strand chains).
? Conditions with the drive including a determination with the class of load (uniform, reasonable or heavy), significant operating temperatures or chemically aggressive environments need to be noted.
Abbreviations Used in Equations
N Variety of teeth on the massive sprocket.
n Quantity of teeth around the modest sprocket.
R Velocity in revolutions per minute (rpm) of the massive sprocket.
r Speed in revolutions per minute (rpm) on the compact 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 making use of metric units.
SF Service Factor