1. (10 pts) The drive motor assembly in Figure 1 transmits a torque of 500 Nm...
4.- The electric motor exerts a torque of 500 N-m on the ABCD aluminum shaft, while rotating at a constant speed. If e knows that G = 27 GPa and that the torques exerted on pulleys B and C are as shown in Figure 4. Find the angle of rotation between: a) B and C b) B and D. Make the free body diagram and explain step by step. 300 Nm 200N.m 48 mm 0.9 m B 44 mm 1.2m...
3. (30 pts) A shaft is driven at A by a motor that transmits 5 kW to the shaft at 10 112. The gears Band C drive machinery require power equal to 3.5 KW and 1.5 kW respectively. The material of the shall has shear modulus G - 75 GPa Two cross-section contigurations are considered as shown all of them have about same cross-section areas) d-20 mm t=3 mm, a=17.5 mm a) What is the maximum torque on the shaft...
1. (20 pts.) For the figure shown: a. What is the largest torque that can be applied to the shaft if the shearing stress is not to exceed 120 MPa b. What is the corresponding minimum value of the shearing stress in the shaft? c. What torque should be applied to the end of the shaft to produce a twist of 2 degrees? Use value G-71-GPa for the modulus of rigidity of steel 60 mm 40 mm 1.5 m
Q2. Figure Q2 shows a shaft which transmits a power of 48 kW through flat belts. Pulley A is driven by a motor which rotates at 3000 rpm. The diameter of pulley A is 400 mm and that of pulley B is 250 mm. The thickness of the belts is 4 mm and they are made of a material with density of 1100 kg/m3. Assume no sliding between pulleys and belts a) Calculate the speed of the belt and the...
UESTION 24 Four gears are attached to a circular shaft and transmit the torques shown in the figure (12) below. (CLO4) (e points) 900 N-m 2100 Nm 450 N-m 750 N-m Figure (12) If the shaft diameter is 34 mm and the shear modulus is 70 GPa, what will be the angle of twist in radians of D with respect to A (measuresd C.C.W.)? Take distances AB-BC-CD-25cm. O 0.0038 O 0.0572 O 0.09812 ○ 00286 QUESTION 25 Under normal operating...
4.11. A shaft ABC is made of two segments AB and BC (Figure 4. 11). Segment 4B is solid with a diameter of 100 mm and BC is hollowed with an outer diameter of 75 mm and wall thickness of 5 mm. The shear modulus is 80 GPa for segment AB and 60 GPa for BC Extemal torques To=25 Nm in the counter-clockwise direction is applied at Cand 1s=10 Nm in the clockwise direction is applied at B. A counter-clockwise...
The gears attached to the fixed-end steel shaft are subjected to the torques shown in the figure. If the shear modulus of elasticity is 150 GPa a determine the following: nd the shaft has a diameter of 14 mm, a. Sketch the torque diagram along the steel shaft. b. Determine the maximum shear stress at Tmax and specify location. c. Sketch the shear stress distribution along the radial line at location specified in (b). d. Determine the displacement of the...
While L.bc = 2.2 m, L,cd= 1.1 m, D1= 66 mm, Tb= 130 Nxm, Tc = 82.4 Nxm, w= 1250 rpm 4. Figure 5 shows a mechanical power transmission using geared system Electric motor A delivering power to appliance at though gears at B, C, D and E. The dimension notations are given in Table 2 and the values are in FILE-2. Assume torques of the appliances are in clockwise direction (Use GPa G= 78 GPa, v=0.3). You are required...
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...
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...