Question

Tooth interference in an external involute spur gear pair can be reduced by (a) decreasing center distance between gear pair (b) decreasing module (c) decreasing pressure angle (d) increasing number of gear teeth

Answer 1

answer is option d)increasing number of gear teeth as Tooth interference in an external involute spur gear pair gets reduced

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Answer 2

Answer:

Correct option: D

Explanation:

• The Increasing number of gear teeth is always helps the doctor to reduce the number of spur pair.
• The spur pair are mostly used precision cylindrical gears in the tooth implant industry
• These gears provide the solution of the straight teeth.
• The interference decreases as the pressure angle increases. It also Increasing the number of teeth reduces interference.
• In principle, the minimum number of teeth of a standard in volute spur gear is not less than 7, and with a coincidence of 2 the minimum number of teeth is not less than 33.

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