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Pressure angle of involute gears does not exceed 25^0, since

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+1 vote
in Machine Kinematics by (38.0k points)
Pressure angle of involute gears does not exceed 25^0, since

(a) this will lead to unwanted radial force

(b) the number of teeth to avoid undercutting will be very high

(c) no cutters are available

(d) gear will become too small

The question was posed to me during an internship interview.

My question is from Length Of Arc of Contact topic in division Toothed Gearing & Gear Trains of Machine Kinematics

1 Answer

0 votes
by (106k points)
Right choice is (a) this will lead to unwanted radial force

Explanation: Pressure angle of involute gears does not exceed 25^0, since Gear is curved.

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