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ャ (Machine Design) A pair of roller bearing 30312 is used of the shaft is n-980r/min....
Q-1 The shaft shown in figure below, supported by and turns in the bearings A and B. The dimensions of the shaft are a = 120 mm and b = 30 mm. The forces on the bevel (conical) gear attached to the sh...
Q-1 The shaft shown in figure below,
supported by and turns in the bearings A and B.
The dimensions of the shaft are a = 120 mm and b =
30 mm. The forces on the bevel (conical) gear attached to the
shaft are Wt = 4500 N, Wr =
2500 N, and Wa = 1000 N. The gear forces act at
a radius R = 100 mm from the shaft axis.
Determine the loads applied to the bearings (FrA...
7-25 A shaft is to be designed to support the spur pinion and helical gear shown in the figure on two bearings spaced 700 mm center-to-center. Bearing A is a cylindrical roller and is to take onl...
7-25 A shaft is to be designed to support the spur pinion and helical gear shown in the figure on two bearings spaced 700 mm center-to-center. Bearing A is a cylindrical roller and is to take only radial load; bearingB is to take the thrust load of 900 N produced by the helical gear and its share of the radial load. The bearing at B can be a bal bearing. The radial loads of both gears are in the same...
Machine design problem. Problem 3 a). For the rotating shaft with a conical roller loaded with...
Machine design problem.
Problem 3 a). For the rotating shaft with a conical roller loaded with the normal to the conical surface force R as shown in figure below), determine the support reactions, b). Determine the rating life for the bearing No. 6306 used as a left hand side support. Note that this is not a shaft of a bevel gear! c). What is a rating life of this bearing if used at the right hand side support of the...
4. Fig. 7 shows a shaft assembly used in gear reducer, where a pair of bearings...
4. Fig. 7 shows a shaft assembly used in gear reducer, where a pair of bearings radial forces on gears 1 and 2 are Fri=12600N, FR2-14400N; the axial forces on gears FATSOON; the pitch circle diameters of gear 1 and 2 are di-200mm and droom The revolution of shaft is n-600 r/min, the application factor ar=1.5. (The basic dyna C = 71kN, e0.4, the induced axial force Fi - F/3.0. If F/F>e, X -0.4, Y-1.5, and 1, Y 0; Note:...
11-32 The figure shown is a geared countershaft with an overhanging pinion at C. Select an...
11-32 The figure shown is a geared countershaft with an overhanging pinion at C. Select an angular- contact ball bearing from Table 11-2 for mounting at O and an 02-series cylindrical roller bearing from Table 11-3 for mounting at B. The force on gear A is FA-600 lbf, and the shaft is to run at a speed of 420 rev/min. Solution of the statics problem gives force of bear- ings against the shaft at O as Ro--387] 467k lbf, and...
PROBLEM 2 and 3 (journal bearing) A gear-reduction unit uses the countershaft depicted in the figurel....
PROBLEM 2 and 3 (journal bearing) A gear-reduction unit uses the countershaft depicted in the figurel. The reactions at bearing positions and C, are shown in figure 2. Note that only bearing position take the axial load. The bearing at position is to be angular-contact ball bearings, having a desired life of 50 kh when used at 300 rev/min. Use 1.2 for the application factor and a reliability goal for the bearing pair of 0.96, assuming distribution data from manufacturer...
You are the designer and you have been asked to design a speed reducer (gearbox) that will take p...
power = 3 kW
if need any more information please ask !!!
You are the designer and you have been asked to design a speed reducer (gearbox) that will take power from the shaft of an electric motor rotating at 1500 rpm and deliver it to a machine that is to operate at approximately at 200 rpm Assume that you have decided to use spur gears to transmit the power [A power equal to the last one digits of your...
Q-1 The shaft shown in figure below,
supported by and turns in the bearings A and B.
The dimensions of the shaft are a = 120 mm and b =
30 mm. The forces on the bevel (conical) gear attached to the
shaft are Wt = 4500 N, Wr =
2500 N, and Wa = 1000 N. The gear forces act at
a radius R = 100 mm from the shaft axis.
Determine the loads applied to the bearings (FrA...
7-25 A shaft is to be designed to support the spur pinion and helical gear shown in the figure on two bearings spaced 700 mm center-to-center. Bearing A is a cylindrical roller and is to take only radial load; bearingB is to take the thrust load of 900 N produced by the helical gear and its share of the radial load. The bearing at B can be a bal bearing. The radial loads of both gears are in the same...
Machine design problem.
Problem 3 a). For the rotating shaft with a conical roller loaded with the normal to the conical surface force R as shown in figure below), determine the support reactions, b). Determine the rating life for the bearing No. 6306 used as a left hand side support. Note that this is not a shaft of a bevel gear! c). What is a rating life of this bearing if used at the right hand side support of the...
4. Fig. 7 shows a shaft assembly used in gear reducer, where a pair of bearings radial forces on gears 1 and 2 are Fri=12600N, FR2-14400N; the axial forces on gears FATSOON; the pitch circle diameters of gear 1 and 2 are di-200mm and droom The revolution of shaft is n-600 r/min, the application factor ar=1.5. (The basic dyna C = 71kN, e0.4, the induced axial force Fi - F/3.0. If F/F>e, X -0.4, Y-1.5, and 1, Y 0; Note:...
11-32 The figure shown is a geared countershaft with an overhanging pinion at C. Select an angular- contact ball bearing from Table 11-2 for mounting at O and an 02-series cylindrical roller bearing from Table 11-3 for mounting at B. The force on gear A is FA-600 lbf, and the shaft is to run at a speed of 420 rev/min. Solution of the statics problem gives force of bear- ings against the shaft at O as Ro--387] 467k lbf, and...
PROBLEM 2 and 3 (journal bearing) A gear-reduction unit uses the countershaft depicted in the figurel. The reactions at bearing positions and C, are shown in figure 2. Note that only bearing position take the axial load. The bearing at position is to be angular-contact ball bearings, having a desired life of 50 kh when used at 300 rev/min. Use 1.2 for the application factor and a reliability goal for the bearing pair of 0.96, assuming distribution data from manufacturer...
power = 3 kW
if need any more information please ask !!!
You are the designer and you have been asked to design a speed reducer (gearbox) that will take power from the shaft of an electric motor rotating at 1500 rpm and deliver it to a machine that is to operate at approximately at 200 rpm Assume that you have decided to use spur gears to transmit the power [A power equal to the last one digits of your...
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