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What is crowing of gear tooth?
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Design of Machine Elements - 2
Q. In which of the following processes, tooth ends are made thinner?
- Published on 23 Sep 15
a.
Backlash effect
b.
Crowing of gear tooth
c.
Hunting of gear tooth
d.
None of the above
ANSWER: Crowing of gear tooth
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Discussion
Sravanthi
-Posted on 25 Sep 15
Non-uniform load distribution on gear teeth occurs due to misalignment of gear and pinion shafts or due to inaccuracies in tooth profile during meshing. The ends of tooth are made thinner to obtain a barrel shape along the flank in order to minimize excessive load on tooth ends. This process is usually called as crowning of gear tooth.
Excessive backlash effect causes nonuniform transmission of motion. To avoid integer number as gear ratio an extra tooth is added called as hunting tooth.
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