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? Type of input power (electric motor, inner combustion engine with mechanical or hydraulic drive).
? Type of equipment to be driven.
? Amount of horsepower demanded to provide suffi cient electrical power on the driven shaft.
? Full load pace with the fastest running shaft (rpm).
? Desired pace of the slow running shaft ( or the essential pace ratio). NOTE: If speeds are variable ascertain the horsepower for being transmitted at each speed.
? Diameters from the drive and driven shafts . . . This worth may possibly restrict the minimal amount of teeth to the sprockets.
? Center distance on the shafts.
? Note the place and any space limitations that may exist. Commonly these limitations are within the maximum diameter of sprockets (this restricts using single strand chains) or the width of the chain (this restricts using multi-strand chains).
? Conditions in the drive which include a determination in the class of load (uniform, moderate or hefty), serious working temperatures or chemically aggressive environments must be mentioned.
Abbreviations Utilized in Equations
N Quantity of teeth to the big sprocket.
n Number of teeth over the little sprocket.
R Pace in revolutions per minute (rpm) with the big sprocket.
r Velocity in revolutions per minute (rpm) from the modest sprocket.
C Shaft center distance in chain pitches.
HP Horsepower rating on the drive motor or engine.
KW Kilowatt power rating of drive motor or engine if using metric units.
SF Support Factor