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The figure above shows two spur gears mounted on a shaft at A and C. This...
The figure shows a pair of shaft-mounted spur gears having a diametral pitch of 5 teeth/in with a...
The figure shows a pair of shaft-mounted spur gears having a diametral pitch of 5 teeth/in with an 18-tooth 20° pinion driving a 50-tooth gear. The horsepower input is 31 maximum at 1.600 rev/min. Find the magnitude of the maximum forces acting on bearings A,B, C, and D 3 in 3 in RA RB = lbf lbf lbf lbf RD =
The figure shows a pair of shaft-mounted spur gears having a diametral pitch of 5 teeth/in with an 18-tooth...
Q1. Load and Stress Analysis The countershaft with the reverse gears attached to is shown in figu...
machine design question
Q1. Load and Stress Analysis The countershaft with the reverse gears attached to is shown in figure 2 with the dimension given in table 1. Gear A receives power from another gear with the transmitted force Fa applied at the pressure angle au as shown. The power is transmitted through the shaft and delivered through gear B through a transmitted force Fs at the pressure angle shown. You can find the values of the parameters in table...
Figure Q1 shows a gear train consists of four spur gears A, B, C and D to be designed for a specific mechanism. The power transmitted by gear A is 5 kW at rotational speed of 720 rpm counterclockwise direction. Number of teeth (N) for gears A,B,C and D ar
Figure Q1 shows a gear train consists of four spur gears A, B, C and D to be designed for a specific
mechanism. The power transmitted by gear A is 5 kW at rotational speed of 720 rpm
counterclockwise direction. Number of teeth (N) for gears A,B,C and D are respectively 20, 50,
30 and 60. The module and pressure angle of the gears are respectively 4 mm and 20o
. Determine
followings:
(a) Tangential and radial forces between gears...
I. The countershaft shown in the Fig Q1 has two spur gears mounted on it with teeth cut wi a 20 pressure angle....
I. The countershaft shown in the Fig Q1 has two spur gears mounted on it with teeth cut wi a 20 pressure angle. The shaft (grooved) is to be made of cold-drawn AISI 1040 steel havin Sut 779 MPa and S,-593 MPa, an elongation of 19% and HB-262. You are asked to size the shaft for safe operation according to DE-Elliptic criterion by using a factor of safety of 2.5 and a reliability of 99 percent. The stress-concentration factors for...
0.2) Figure Q.2 shows a drive system in which a 20-hp electric motor drives separate output shaft...
Desgin
0.2) Figure Q.2 shows a drive system in which a 20-hp electric motor drives separate output shafts. Gear A is mounted on the motor shafit that has a rotational spoed or 1750 rpm clockwise. Gear A drives gear train consisting of…B,C,and D thr deliver power through the shafts on which they are mounted. All gears have a diametral pitch of Pa-8.The following data are given Power delivered by gears B, C, and D: Pa Numbers of teeth for all...
1. The countershaft shown in the Fig QI has two spur gears mounted on it with teeth cut with a 20 pressure angle...
1. The countershaft shown in the Fig QI has two spur gears mounted on it with teeth cut with a 20 pressure angle. The shaft (grooved) is to be made of cold-drawn AISI 1040 steel having Sut= 779 MPa and S,-593 MPa, an elongation of 19% and HB-262. You are asked to size the shaft for safe operation according to DE-Eilliptic criterion by using a factor of safety of 2.5 and a reliability of 99 percent. The stress-concentration factors for...
A transfer shaft with two spur gears shown below: Input Gear 1 Output Gear Torque Bearing...
A transfer shaft with two spur gears shown below: Input Gear 1 Output Gear Torque Bearing 1 Gear 1 Gear 2 Bearing 2 B OTO 4" 4" 4" 4 . . Weight Ibf Teeth number Pressure angle Po (diametric pitch) teeth/in Gear A 50 20° 6 Gear C 2 25 20° 6 Deep groove ball bearings at B and D. Pitch diameter of the gear is equal to the teeth number divided by diametric pitch. Shaft speed = 3000 rpm....
Q.17. How much power is supplied to two meshed spur gears if the driving gear rotates...
Q.17. How much power is supplied to two meshed spur gears if the driving gear rotates at 2000 rpm, the torque 2.00 and its efficiency is 96%? driven gear is 1.00 kNm, the speed ratio of the drive is on a A. 204 kW B. 210 kW C. 109 kW D. 105 kW E. none of above (3 Marks) Q.18. Two meshed spur gears with a 210 mm centre distance and a module of 3.00 have arc of contact of...
Solve in SI units. A gear reduction unit uses the countershaft shown in the figure. Gear...
Solve in SI units.
A gear reduction unit uses the countershaft shown in the figure.
Gear A receives power from another gear with the transmitted force
FA applied at the 20ᵒ pressure angle as shown. The power is
transmitted through the shaft and delivered through gear B through
a transmitted force FB at the pressure angle shown. a) Determine
the force FB, assuming the shaft is running at a constant speed. b)
Find the magnitudes of the bearing reaction forces,...
CivenThe figure shows a 1.25 in. diameter shaft with two mounted gears. If the shaft bends...
CivenThe figure shows a 1.25 in. diameter shaft with two mounted gears. If the shaft bends excessively, the gears will mesh improperly and early failure can be expected. The gear forces are assumed to be in the same plane and of magnitude Fi 120 lb. and F2 -90 lb., respectively. Draw the complete shear and moment diagrams for the shaft. Calculate the moment at the point exactly half way between Fi and F2. Find: i D. F. F.
The figure shows a pair of shaft-mounted spur gears having a diametral pitch of 5 teeth/in with an 18-tooth 20° pinion driving a 50-tooth gear. The horsepower input is 31 maximum at 1.600 rev/min. Find the magnitude of the maximum forces acting on bearings A,B, C, and D 3 in 3 in RA RB = lbf lbf lbf lbf RD =
The figure shows a pair of shaft-mounted spur gears having a diametral pitch of 5 teeth/in with an 18-tooth...
machine design question
Q1. Load and Stress Analysis The countershaft with the reverse gears attached to is shown in figure 2 with the dimension given in table 1. Gear A receives power from another gear with the transmitted force Fa applied at the pressure angle au as shown. The power is transmitted through the shaft and delivered through gear B through a transmitted force Fs at the pressure angle shown. You can find the values of the parameters in table...
I. The countershaft shown in the Fig Q1 has two spur gears mounted on it with teeth cut wi a 20 pressure angle. The shaft (grooved) is to be made of cold-drawn AISI 1040 steel havin Sut 779 MPa and S,-593 MPa, an elongation of 19% and HB-262. You are asked to size the shaft for safe operation according to DE-Elliptic criterion by using a factor of safety of 2.5 and a reliability of 99 percent. The stress-concentration factors for...
Desgin
0.2) Figure Q.2 shows a drive system in which a 20-hp electric motor drives separate output shafts. Gear A is mounted on the motor shafit that has a rotational spoed or 1750 rpm clockwise. Gear A drives gear train consisting of…B,C,and D thr deliver power through the shafts on which they are mounted. All gears have a diametral pitch of Pa-8.The following data are given Power delivered by gears B, C, and D: Pa Numbers of teeth for all...
1. The countershaft shown in the Fig QI has two spur gears mounted on it with teeth cut with a 20 pressure angle. The shaft (grooved) is to be made of cold-drawn AISI 1040 steel having Sut= 779 MPa and S,-593 MPa, an elongation of 19% and HB-262. You are asked to size the shaft for safe operation according to DE-Eilliptic criterion by using a factor of safety of 2.5 and a reliability of 99 percent. The stress-concentration factors for...
A transfer shaft with two spur gears shown below: Input Gear 1 Output Gear Torque Bearing 1 Gear 1 Gear 2 Bearing 2 B OTO 4" 4" 4" 4 . . Weight Ibf Teeth number Pressure angle Po (diametric pitch) teeth/in Gear A 50 20° 6 Gear C 2 25 20° 6 Deep groove ball bearings at B and D. Pitch diameter of the gear is equal to the teeth number divided by diametric pitch. Shaft speed = 3000 rpm....
Q.17. How much power is supplied to two meshed spur gears if the driving gear rotates at 2000 rpm, the torque 2.00 and its efficiency is 96%? driven gear is 1.00 kNm, the speed ratio of the drive is on a A. 204 kW B. 210 kW C. 109 kW D. 105 kW E. none of above (3 Marks) Q.18. Two meshed spur gears with a 210 mm centre distance and a module of 3.00 have arc of contact of...
Solve in SI units.
A gear reduction unit uses the countershaft shown in the figure.
Gear A receives power from another gear with the transmitted force
FA applied at the 20ᵒ pressure angle as shown. The power is
transmitted through the shaft and delivered through gear B through
a transmitted force FB at the pressure angle shown. a) Determine
the force FB, assuming the shaft is running at a constant speed. b)
Find the magnitudes of the bearing reaction forces,...
CivenThe figure shows a 1.25 in. diameter shaft with two mounted gears. If the shaft bends excessively, the gears will mesh improperly and early failure can be expected. The gear forces are assumed to be in the same plane and of magnitude Fi 120 lb. and F2 -90 lb., respectively. Draw the complete shear and moment diagrams for the shaft. Calculate the moment at the point exactly half way between Fi and F2. Find: i D. F. F.
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