What_is_the_formula_for_rolling_velocity?$

1.	What_is_the_formula_for_rolling_velocity?$
A.	‚âà√¨‚àö¬¢<sub>p</sub> x r
B.	‚âà√¨‚àö¬¢<sub>g</sub> x R
C.	0
D.	‚âà√¨‚àö¬¢<sub>g</sub> x r
Answer» B. ‚âà√¨‚àö¬¢<sub>g</sub> x R

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Two involute gears in a mesh have path of approach = 29.83 mm and path of recess = 21.09 mm. The larger gear has 40 teeth and the pinion has 12 teeth. Find the ratio of the sliding to rolling velocity at the:i) beginning of contactii) end of contactiii) pitch pointr = 72 mm
What is the formula for rolling velocity?
The angular velocity of the pinion is 150 rpm and that of the gear is 75 rpm. The number of teeth on the pinion is equal to 20 and the module = 6 mm. The value of addendum is equal to 1 module. The pressure angle between the two gears is 20°. Find the velocity of sliding at the end of the contact.
The angular velocity of the pinion is 75 rpm and that of the gear is 25 rpm. The addendum radius is 45 mm for the pinion and the radius of the pinion is 40 mm. The pressure angle between the gears is 25°. Find the velocity of sliding at the end of the contact.
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Velocity of sliding at the pitch point = (ωp + ωg) x _____________
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THE_ANGULAR_VELOCITY_OF_THE_PINION_IS_150_RPM_AND_THAT_OF_THE_GEAR_IS_75_RPM._THE_NUMBER_OF_TEETH_ON_THE_PINION_IS_EQUAL_TO_20_AND_THE_MODULE_=_6_MM._THE_VALUE_OF_ADDENDUM_IS_EQUAL_TO_1_MODULE._THE_PRESSURE_ANGLE_BETWEEN_THE_TWO_GEARS_IS_20¬¨¬®‚ÄÖ√†√ª._FIND_THE_VELOCITY_OF_SLIDING_AT_THE_END_OF_THE_CONTACT.?$#
Two involute gears in a mesh have path of approach = 29.83 mm and path of recess = 21.09 mm. The larger gear has 40 teeth and the pinion has 12 teeth. Find the ratio of the sliding to rolling velocity at the:$

What_is_the_formula_for_rolling_velocity?$

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