1. Two metric spur gears are engaged; the gear ratio is 3/2 and they have a module of 2.5 mm. Find the number of teeth for each gear if the center distance is 125 mm.

In a spur gear arrangement, the driver has 80 teeth of 39 mm pitch. Find the power, if it can transmit a tangential force of 60 N. Take speed of driver as 150 rev/min. Insert your answer for power in watt correct up to at least a third decimal place.

Determine the number of teeth for gear E. Determine the Pitch Diameter PD of gear F. Determine the Diametral Pitch Dp of gear F. Determine the Number of  teeth of gear G. Determine the Diametral Pitch of gear G. Determine the Diametral Pitch of gear H. Determine the Number of Teeth of gear J. Determine the Pitch Diameter of gear K. Determine the Diametral Pitch of gear K. Determine the direction of gear F. Determine the direction of gear G. Determine the direction of gear H. Determine the direction of gear J. Determine the direction of gear K. Determine the Center Distance between gears J and K.

1. The speed ratio of the reverted gear train, as shown in Fig, is to be 12. The module pitch of gears A and B is 3.125 mm and of gears C and D is 2.5 mm. Calculate the suitable numbers of teeth for the gears. No gear is to have less than 24 teeth. Driver 200 mm Driver Driven 2. In a reverted gear train, as shown in Fig., two shafts A and B are in the same straight line and are geared together through an intermediate parallel shaft C. The gears connecting the shafts A and C have a module of 2 mm and those connecting the shafts C and B have a module of 4.5 mm. The speed of shaft A is to be about but greater than 12 times the speed of shaft B, and the ratio at each reduction is same. Find suitable number of teeth for gears. The number of teeth of each gear is to be a minimum but not less than 16. Also find the exact velocity ratio and the distance of shaft C from A and B 200 mm Driven

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A parallel helical gearset uses a 16-tooth pinion driving a 25-tooth gear. The pinion has a right-hand helix angle of 29°, a normal pressure angle of 25°, and a normal diametral pitch of 7 teeth/in. Find the center to center distance in inches. Please provide your answer with 2 decimal places.

Determine the number of teeth for gear E. Determine the Pitch Diameter PD of gear F. Determine the Diametral Pitch Dp of gear F. Determine the Number of  teeth of gear G. Determine the Diametral Pitch of gear G. Determine the Diametral Pitch of gear H. Determine the Number of Teeth of gear J. Determine the Pitch Diameter of gear K. Determine the Diametral Pitch of gear K. Determine the direction of gear F. Determine the direction of gear G. Determine the direction of gear H. Determine the direction of gear J. Determine the direction of gear K. Determine the Center Distance between gears J and K.

The spur gear arrangement shown in Figure has a pinion (driver Gear A) that rotates at 700 rpm, an idler Gear B and a driven gear (Gear C). The gears have a module of 5 mm and a pressure angle of 20 degree. Given the number of teeth as shown, determine: The pitch diameters of the idler gear. 50 teeth A -90⁰- B 80 teeth C 60 teeth

In a spur gear arrangement, the driver has 70 teeth of 26 mm pitch. Find the power, if it can transmit a tangential force of 100 N. Take speed of driver as 160 rev/min. Insert your answer for power in watt correct up to at least a third decimal place.

A recurring gear train composed of four sprockets 2, 3, 4, 5, has a value of the train of 1: 4 ½, being all the teeth of the gears of the same pitch. 2 has 40 teeth, 3 has 60 teeth. Find the number of teeth in 4 and 5. If the diametral pitch is 3, find the distance between the centers of the arrows. Answer N4 = 25; N5 = 75; 16.667 in