Research Article

A New Design of the Universal Test Rig to Measure the Wear Characterizations of Polymer Acetal Gears (Spur, Helical, Bevel, and Worm)

Figure 7

Wear of the (a) acetal spur gears, (b) acetal helical gears, (c) acetal bevel gears, (d) acetal worm gears, and (e) total weight loss for each gear with standard division errors after three-time repeat.
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(b)
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(e)