This informationsheetdescribes many ofthe ways inwhichgear teethcanfailandrecommends methodsfor
reducing gear failures. It provides basic guidance for those attempting to analyze gear failures. It should be
used in conjunction with ANSI/AGMA 1010–E95 in which the gear tooth failure modes are defined. They are
describedindetailtohelpinvestigators understandfailures andinvestigate remedies. This informationsheet
does not discuss the details of disciplines such as dynamics, material science, corrosion or tribology. It is
hopedthatthe materialpresentedwillfacilitate communicationinthe investigationofgearoperatingproblems.
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