The purpose of detecting the tooth thickness is to ensure that the gear pair drive has a certain flank clearance so that the gear pair can be operated normally. To this end, GB6443—86 “Dimensional data to be indicated on the involute spur gear pattern†stipulates that the involute cylindrical gears must give the necessary parameters according to the standard to facilitate manufacturing and maintenance. At the same time, combined with the promotion of GB10095-88 "Involute Cylindrical Gear Accuracy" standard, the three test methods are compared as follows.
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