Find
The number of teeth of the gear, the pitch circle diameter, the pitch circle diameter of the worm, the lead angle, the pitch circumferential speed, and the tangential force component of the worm(= Axial force component of the worm), slip velocity(Coefficient friction=0.026), tangential force component of the gear (= axial force component of the worm), efficiency
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Find
The number of teeth of the gear, the pitch circle diameter, the
pitch circle diameter...
A helical gear has a normal diametral pitch of 24, a normal pressure angle of 14 ½ o, 72 teeth, a...
A helical gear has a normal diametral pitch of 24, a normal pressure angle of 14 ½ o, 72 teeth, a face width of 0.25 in and helix angle of 45° The power comes from an electric motor, and the drive is to winch that will experience moderate shock. (a) If the gear transmits 0.50 HP at a speed of 3450 RPM, what would be the tangential force? (b) If the gear operates with a pinion having 16 teeth, what...
4. A gear is manufactured from SAE1045 hardened steel having pitch diameter D= 9.0 inches, having...
4. A gear is manufactured from SAE1045 hardened steel having pitch diameter D= 9.0 inches, having (13+12] 54 teeth, pressure angle 20°, which will operate 8 hours per day at 600 RPM with moderate shock 1oad. Design HP is 25 hp. a. Calculate the tooth load W (must show all steps with equations first) b. Calculate the minimum face width bw inches. Can use the handout on Spur Gear Design, along with accompanying data sheets.
See Figure P12-1. The shaft rotating at 550 rpm carries a spur gear B having 96 teeth with a diametral pitch of 6. The teeth are of the 20%, full-depth, involute form. The gear receives 30 hp from a...
See Figure P12-1. The shaft rotating at 550 rpm carries a spur gear B having 96 teeth with a diametral pitch of 6. The teeth are of the 20%, full-depth, involute form. The gear receives 30 hp from a pinion directly above it. Compute the torque delivered to the shaft and the tangential and radial forces exerted on the shaft by the gear. Figure P12-1 Shaft carrying a gear and a V-belt drive 0
See Figure P12-1. The shaft rotating...
A double threaded right handed worm gear transmits 15 hp at 1150 rpm. The pitch of...
A double threaded right handed worm gear transmits 15 hp at 1150 rpm. The pitch of the worm is 0.75 inches and pitch diameter of 3 inches. The pressure angle is 14 1/2° and the coefficient of friction is 0.12. Find the worm gear efficiency.
1: Given the power transmission system shown below Input: 30 hp, 2,000 rpm 12 pitch 18...
1: Given the power transmission system shown below Input: 30 hp, 2,000 rpm 12 pitch 18 teeth N C Rotation Hydraulic Pump 5 hp Water Pump, 6 hp 20° pressure angle 8 pitch 20 teeth 20° pressure angle 27 teeth 40 teeth Input Pump Output Bearing (typical) p (NP) Find: A Determine the rotation direction, rotational speed, and pitch diameter of each gear Pitch Diameter (in) Rotational Speed (rpm) Gear 1333 rmp B. Determine the hp and torque in shaft...
A 20° full depth straight tooth bevel gear has a pitch of 3, a face width...
A 20° full depth straight tooth bevel gear has a pitch of 3, a face width of 9.75 in., a pitch diameter of 12.0 in., and a cone pitch angle of 37.5. If the torque on the gear is 6500 in-lb, what is the axial component, or thrust component, of the tooth force? What is the mean diameter of the gear? What is the tangential force at the mean radius? 5. Ans. 297 lb, 4.86 in, 1340 lb.
See Figure P12-1. The shaft rotating at 550 rpm carries a spur gear B having 96 teeth with a diametral pitch of 6. The teeth are of the 20%, full-depth, involute form. The gear receives 30 hp from a...
See Figure P12-1. The shaft rotating at 550 rpm carries a spur gear B having 96 teeth with a diametral pitch of 6. The teeth are of the 20%, full-depth, involute form. The gear receives 30 hp from a pinion directly above it. Compute the torque delivered to the shaft and the tangential and radial forces exerted on the shaft by the gear. Figure P12-1 Shaft carrying a gear and a V-belt drive C D 10.004-10.00 6.00 V-belt sheave Gear...
A speed reducer has 20° full-depth teeth with a diametral pitch of 4 teeth/in, a face...
A speed reducer has 20° full-depth teeth with a diametral pitch of 4 teeth/in, a face width of 3.25 inches, and with the pinion having 22 teeth and the gear having 60 teeth. The pinion is driven by a 40 HP motor rotating with a shaft speed of 1145 rpm. The pinion is designed to last for 5 years operating around the clock. The gears are manufactured using 4340 through-hardened grade 1 steel, both heat treated to 250 HB using...
Please help. Thx Part 2 (50 pts) A single-reduction spur gear system is as shown. The pinion "P" drives gear "G. Pinion"Pis driven at 1800 rpm with 1.5 hp Pinion "P" has a...
Please help.
Thx
Part 2 (50 pts) A single-reduction spur gear system is as shown. The pinion "P" drives gear "G. Pinion"Pis driven at 1800 rpm with 1.5 hp Pinion "P" has a pitch diameter of 2 inches, and has 20 teeth. The gear "Ghas 120 teeth. All teeth have a pressure angle of 20, full-depth, hobbed profile, and a face width of 0.5 inches. All materials are steel. Determine: A) Minimum number of pinion teeth: Np,min This shows that...
designs QIII) A 15-tooth, precision-made spur pinion is to drive a 25-tooth gear. A pitch of...
designs
QIII) A 15-tooth, precision-made spur pinion is to drive a 25-tooth gear. A pitch of 6 teeth/in has been selected with a 2.25 in face width. Also, the teeth are to be 25 full depth, with a ddendum of 1.35/ pa for a pinion speed of 1150 rpm, and 10 hp is to transmitted under steady load conditions. The material selected for both gears is a through-hardened steel of a hardness of 302 Bhn . Determined the actors of...
A helical gear has a normal diametral pitch of 24, a normal pressure angle of 14 ½ o, 72 teeth, a face width of 0.25 in and helix angle of 45° The power comes from an electric motor, and the drive is to winch that will experience moderate shock. (a) If the gear transmits 0.50 HP at a speed of 3450 RPM, what would be the tangential force? (b) If the gear operates with a pinion having 16 teeth, what...
4. A gear is manufactured from SAE1045 hardened steel having pitch diameter D= 9.0 inches, having (13+12] 54 teeth, pressure angle 20°, which will operate 8 hours per day at 600 RPM with moderate shock 1oad. Design HP is 25 hp. a. Calculate the tooth load W (must show all steps with equations first) b. Calculate the minimum face width bw inches. Can use the handout on Spur Gear Design, along with accompanying data sheets.
See Figure P12-1. The shaft rotating at 550 rpm carries a spur gear B having 96 teeth with a diametral pitch of 6. The teeth are of the 20%, full-depth, involute form. The gear receives 30 hp from a pinion directly above it. Compute the torque delivered to the shaft and the tangential and radial forces exerted on the shaft by the gear. Figure P12-1 Shaft carrying a gear and a V-belt drive 0
See Figure P12-1. The shaft rotating...
1: Given the power transmission system shown below Input: 30 hp, 2,000 rpm 12 pitch 18 teeth N C Rotation Hydraulic Pump 5 hp Water Pump, 6 hp 20° pressure angle 8 pitch 20 teeth 20° pressure angle 27 teeth 40 teeth Input Pump Output Bearing (typical) p (NP) Find: A Determine the rotation direction, rotational speed, and pitch diameter of each gear Pitch Diameter (in) Rotational Speed (rpm) Gear 1333 rmp B. Determine the hp and torque in shaft...
A 20° full depth straight tooth bevel gear has a pitch of 3, a face width of 9.75 in., a pitch diameter of 12.0 in., and a cone pitch angle of 37.5. If the torque on the gear is 6500 in-lb, what is the axial component, or thrust component, of the tooth force? What is the mean diameter of the gear? What is the tangential force at the mean radius? 5. Ans. 297 lb, 4.86 in, 1340 lb.
See Figure P12-1. The shaft rotating at 550 rpm carries a spur gear B having 96 teeth with a diametral pitch of 6. The teeth are of the 20%, full-depth, involute form. The gear receives 30 hp from a pinion directly above it. Compute the torque delivered to the shaft and the tangential and radial forces exerted on the shaft by the gear. Figure P12-1 Shaft carrying a gear and a V-belt drive C D 10.004-10.00 6.00 V-belt sheave Gear...
A speed reducer has 20° full-depth teeth with a diametral pitch of 4 teeth/in, a face width of 3.25 inches, and with the pinion having 22 teeth and the gear having 60 teeth. The pinion is driven by a 40 HP motor rotating with a shaft speed of 1145 rpm. The pinion is designed to last for 5 years operating around the clock. The gears are manufactured using 4340 through-hardened grade 1 steel, both heat treated to 250 HB using...
Please help.
Thx
Part 2 (50 pts) A single-reduction spur gear system is as shown. The pinion "P" drives gear "G. Pinion"Pis driven at 1800 rpm with 1.5 hp Pinion "P" has a pitch diameter of 2 inches, and has 20 teeth. The gear "Ghas 120 teeth. All teeth have a pressure angle of 20, full-depth, hobbed profile, and a face width of 0.5 inches. All materials are steel. Determine: A) Minimum number of pinion teeth: Np,min This shows that...
designs
QIII) A 15-tooth, precision-made spur pinion is to drive a 25-tooth gear. A pitch of 6 teeth/in has been selected with a 2.25 in face width. Also, the teeth are to be 25 full depth, with a ddendum of 1.35/ pa for a pinion speed of 1150 rpm, and 10 hp is to transmitted under steady load conditions. The material selected for both gears is a through-hardened steel of a hardness of 302 Bhn . Determined the actors of...
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