Sprocket and chaindue to wearfailure modeis mainlychain pitchbecomes longer,so that the machineproduces an additionaldynamic loadconsecutivechain andsprocketimpact,vibrationand noiseanddamage toparts of theacceleration,so thatthe manufacturersshould beproducedreasonable proportionof thetransmissioninstallation.Forging chainpurchasequalifyingpartsto ensure qualityparts.Timely replacement ofqualifiedsprocketsreducechainwear.Timely replacement ofthebearingssupportingthe chainto preventthe gap is toolarge, resulting inthe centerof the chainskew.