Q-1 A mechanism, as shown in Fufire Q-1, has the dimensions:
Q-1 A mechanism, as shown in Fufire Q-1, has the dimensions:
OA=a₂=200 mm ; AB=a=1500 mm ; BC=a₄=600 mm ; CD-a=500 mm : OE=1350 mm ; and BE=b₄=400 mm
a) Determine the number of total and obvious instant centers and locate (show on the given figure with the necessary construction lines) the instant centers I₃, and I15.
b) If the crank OA=a₂ rotates uniformly at n₂=120 mm (c.w.) determine;
i) The velocities of points A, B, C, and D (i.e., VA, VB, VC, and VD in m / s.)
ii) The angular velocitics of links AB, BC, and CD
Homework Answers
The mechanism of a wrapping machine, as shown in Fig. Q-2, has the following dimensions
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ME 301 MECHANISMS Final Examination. Exam duration is 120 minutes and questions are equally weighted 1) In the figu...
ME 301 MECHANISMS Final Examination. Exam duration is 120 minutes and questions are equally weighted 1) In the figure a 6-bar mechanism is shown with dimensions. Find all its instant centers and determine the ǐ velocity of the sliding link 6 if crank AB is rotating CCW with a speed of 2 rad/sec. Also find the angular velocities of links 3,4 and 5 by using the instant centers 2) Find the acceleration of the sliding link of the mechanism given...
The mechanism shown in the figure below has rigid links pivoted at A, B, C and D. The link BCE is a rigid plate. The d...
The mechanism shown in the figure below has rigid links pivoted at A, B, C and D. The link BCE is a rigid plate. The dimensions of the links are BC = 110 mm BE 70 mm CE 60 mm CD 30 mm AB = 50 mm At the instant when both angles ABC and BCD are 90°, the link AB has a clockwise angular velocity of 40 rad/s. Determine the angular velocity of link BCE A Determine the angular...
Need help ... Need to solve it in vector form OA-100 OB-200 Dimensions in mm The...
Need help ... Need to solve it in vector form
OA-100 OB-200 Dimensions in mm The collar A slides on the pivoted arm BC and is pinned to the crank OA as shown in Figure. At the instant shown, crank OA rotates at a constant angular velocity of 2 rad/s clockwise Determine the angular velocity and angular acceleration of arm BC when θ-45"
Figure 2 below shows a mechanism in which OA QC = 100 mm, AB OB = 300 mm and CD = 250 mm
Figure 2 below shows a mechanism in which OA QC = 100 mm, AB OB = 300 mm and CD = 250 mm. The crank OA rotates at 150 r.p.m in the clockwise direction. 2.1 the velocity of the slider at D 2.2 the least absolute velocity of a point on link AB 2.3 the angular velocities of links AB and QB 2.4 the rubbing velocity at the pin B which is 40 mm in diameter 2.5 the force exerted by the piston if the...
Consider the fourbar linkage below with link dimensions: 494 = 3.503 in., AB = 2.695 in.,...
Consider the fourbar linkage below with link dimensions: 494 = 3.503 in., AB = 2.695 in., 4C = 2 in., BC = 3.064 in., BB = 3.368 in...Bo = 8.757 in. Assume the input crank (i.e., link 2) of the linkage rotates at 0,= -4 rad's i.e., 4 rad's clockwise). Use the method of instant centers (draw and label it) to determine the following: (a) [rad/s) (b) [rad/s] (c) Ve[in./s] Use symbolic variables for ALL distances from the instant center...
Part A Q1: The crank OP of a mechanism as shown in figure below rotates uniformly...
Part A
Q1: The crank OP of a mechanism as shown in figure below rotates uniformly at 60 rpm counter-clockwise. Various links have following dimensions: OP = 50 mm; RQ= 200 mm; RS = 200 mm; PR = 300 mm a) Make appropriate scale to draw position diagram using graphical method. b) Find the linear velocities (mm/sec) and angular velocities (rad/sec) for all links and draw velocity diagram. c) Find the tangential accelerations (mm/sec) and radial acceleration (mm/sec) and angular...
Question 1 75 In the mechanism of figure Q1 crank O2A rotates at 120 rev/min clockwise about O2 at a constant rotational speed. Slider B slides on sliding link AC. The dimensions of the links of the...
Question 1 75 In the mechanism of figure Q1 crank O2A rotates at 120 rev/min clockwise about O2 at a constant rotational speed. Slider B slides on sliding link AC. The dimensions of the links of the mechanism are as follows: O2A 6,0 cm, CD 10 cm, AB 2 cm, AC 8 cm, OsD- 4 cm and OrB 5cm. Angle 02 1100 and 0s- 100. and OsD rototes at toorev/min Construct a velocity diagram for this position and then find...
The dimensions of the planar mechanism, shown in Fig. 1 are given in Table 1. Link 1 is rotating ...
The dimensions of the planar mechanism, shown in Fig. 1 are
given in Table 1. Link 1 is rotating at
constant 120 rpm in counterclockwise direction. The external
force of 200N is applied on the slider
at point D against its translational motion. Assume the link
bars of the mechanism are homogeneous
rectangular prisms with the width of 0.01 m and the depth of
0.001 m. The slider has the width of
0.070 m, the height of 0.040 m, and...
2.) The mechanism shown has link lengths as follows: OA-30 mm, BC-90 mm, AD-168 mm, AB- 1120 mm. Crank OA rotates 100 rad/s CCW. Find: DATA 90 a. Velocities of points A, B, D. b. Angular velocities of ABD and BC REQ'D
ME 301 MECHANISMS Final Examination. Exam duration is 120 minutes and questions are equally weighted 1) In the figure a 6-bar mechanism is shown with dimensions. Find all its instant centers and determine the ǐ velocity of the sliding link 6 if crank AB is rotating CCW with a speed of 2 rad/sec. Also find the angular velocities of links 3,4 and 5 by using the instant centers 2) Find the acceleration of the sliding link of the mechanism given...
The mechanism shown in the figure below has rigid links pivoted at A, B, C and D. The link BCE is a rigid plate. The dimensions of the links are BC = 110 mm BE 70 mm CE 60 mm CD 30 mm AB = 50 mm At the instant when both angles ABC and BCD are 90°, the link AB has a clockwise angular velocity of 40 rad/s. Determine the angular velocity of link BCE A Determine the angular...
Need help ... Need to solve it in vector form
OA-100 OB-200 Dimensions in mm The collar A slides on the pivoted arm BC and is pinned to the crank OA as shown in Figure. At the instant shown, crank OA rotates at a constant angular velocity of 2 rad/s clockwise Determine the angular velocity and angular acceleration of arm BC when θ-45"
Consider the fourbar linkage below with link dimensions: 494 = 3.503 in., AB = 2.695 in., 4C = 2 in., BC = 3.064 in., BB = 3.368 in...Bo = 8.757 in. Assume the input crank (i.e., link 2) of the linkage rotates at 0,= -4 rad's i.e., 4 rad's clockwise). Use the method of instant centers (draw and label it) to determine the following: (a) [rad/s) (b) [rad/s] (c) Ve[in./s] Use symbolic variables for ALL distances from the instant center...
Part A
Q1: The crank OP of a mechanism as shown in figure below rotates uniformly at 60 rpm counter-clockwise. Various links have following dimensions: OP = 50 mm; RQ= 200 mm; RS = 200 mm; PR = 300 mm a) Make appropriate scale to draw position diagram using graphical method. b) Find the linear velocities (mm/sec) and angular velocities (rad/sec) for all links and draw velocity diagram. c) Find the tangential accelerations (mm/sec) and radial acceleration (mm/sec) and angular...
Question 1 75 In the mechanism of figure Q1 crank O2A rotates at 120 rev/min clockwise about O2 at a constant rotational speed. Slider B slides on sliding link AC. The dimensions of the links of the mechanism are as follows: O2A 6,0 cm, CD 10 cm, AB 2 cm, AC 8 cm, OsD- 4 cm and OrB 5cm. Angle 02 1100 and 0s- 100. and OsD rototes at toorev/min Construct a velocity diagram for this position and then find...
The dimensions of the planar mechanism, shown in Fig. 1 are
given in Table 1. Link 1 is rotating at
constant 120 rpm in counterclockwise direction. The external
force of 200N is applied on the slider
at point D against its translational motion. Assume the link
bars of the mechanism are homogeneous
rectangular prisms with the width of 0.01 m and the depth of
0.001 m. The slider has the width of
0.070 m, the height of 0.040 m, and...
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