SPROCKET ESSENTIALS BASIC TERMINOLOGY
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Small and Large Roller Double Pitch Sprockets: Used with double pitch conveyor series roller chains. These chains are available with either the standard small roller diameter (i.e.: 2040, 2050, 2060, 2080, 2100) or a larger diameter chain roller style (i.e.: 2042, 2052, 2062, 2082, 2102). Sprockets are available from stock to accommodate either style. This type of sprocket is primarily used in conveying applications where torque requirements are lower, and long service life is critical. Please refer to Figure 7 for an illustration of a standard and double pitch sprocket for comparison purposes.
Figure 7 - Small and large roller double pitch sprockets
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Multiple-Strand Sprockets: This type of sprocket is commonly used in applications where higher torque and power requirements are needed. The spacing between the rows of teeth corresponds with the center-line of chain strands. Due to the added width of chain, the “LTB” of multiple strand sprockets is correspondingly longer. This style of sprocket is available in 40 through 160 chain pitch with plain, finished or TAPER-LOCK /QD style hubs. Please refer to Figure 8 for an illustration of a Multiple-Strand sprocket.
Figure 8 - Multiple-Strand sprockets
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Double Plus ® Sprockets: This type of sprocket is specifically designed to work with DOUBLE PLUS ® chain. This style of sprocket is used in conveyor applications where product on the conveyor is propelled at twice speed of the drive system powering the conveyor. The main benefit of incorporating DOUBLE PLUS ® chain and sprockets is less noise and longer chain life. Please refer to Figure 9 for an illustration of a DOUBLE PLUS ® sprocket.
Figure 9 - DOUBLE PLUS ® sprockets
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