? Type of input energy (electrical motor, inner combustion engine with mechanical or hydraulic drive).
? Type of equipment to become driven.
? Amount of horsepower essential to supply suffi cient electrical power on the driven shaft.
? Full load pace on the fastest operating shaft (rpm).
? Desired velocity on the slow operating shaft ( or the needed speed ratio). NOTE: If speeds are variable figure out the horsepower to become transmitted at each velocity.
? Diameters of the drive and driven shafts . . . This worth may perhaps restrict the minimal number of teeth for the sprockets.
? Center distance from the shafts.
? Note the position and any area limitations that could exist. Commonly these limitations are within the maximum diameter of sprockets (this restricts the use of single strand chains) or even the width of the chain (this restricts the use of multi-strand chains).
? Conditions in the drive like a determination of the class of load (uniform, moderate or heavy), significant operating temperatures or chemically aggressive environments really should be mentioned.
Abbreviations Used in Equations
N Amount 
of teeth around the significant sprocket.
n Number of teeth about the small sprocket.
R Speed in revolutions per minute (rpm) of the massive sprocket.
r Pace in revolutions per minute (rpm) of your little sprocket.
C Shaft center distance in chain pitches.
HP Horsepower rating with the drive motor or engine.
KW Kilowatt energy rating of drive motor or engine if employing metric units.
SF Support Factor
Essential Details For Drive Chain Assortment
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