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Design a cycloidal cam-follower displacement table for a cam that provides a dwell at zero lift...
1. (40 points) A double-dwell cam is to move a follower from 0 to 2" in 120°, dwell for 80°, fall in 90 and dwell for the remainder. The total cycle is 5 seconds. Using cycloidal motion for t...
1. (40 points) A double-dwell cam is to move a follower from 0 to 2" in 120°, dwell for 80°, fall in 90 and dwell for the remainder. The total cycle is 5 seconds. Using cycloidal motion for the rise and 3-4-5 polynomial motion for the fall, find the follower displacement corresponding to the cam angle 0 at 90°, 180°, 230° and 320 respectively. Also find the maximum actual acceleration (in inch/sec2) during the entire motion cycle.
1. (40 points)...
Kinematics of Mechanisms CH, 6 OJKShim Homework #3: Cam-follower mechanisms Design A cam is to drive its follower as...
Kinematics of Mechanisms CH, 6 OJKShim Homework #3: Cam-follower mechanisms Design A cam is to drive its follower as follows: 0° < 90°: dwell at zero lift 90° 180°: rise 10mm with cycloidal motion 180° 270°: return 10mm with cycloidal motion 2700 360°: dwell at zero lift. 1. Determine the equations and plot, S(ø), the displacement diagram for this motion, and their drivatives, S()=dS(¢)/d¢ S"(dP S(/d, and S"() d S(/d Mechanical Design and CAD Lab., Korea University
Kinematics of Mechanisms...
2 (30 p points) A follower rises through a total displacement of 6 inches with full rise cycloida...
2 (30 p points) A follower rises through a total displacement of 6 inches with full rise cycloidal motion in 130 of cam rotation and then dwells at 6 inches for 90. Then the follower returns to the zero position with full fall cycloidal motion in 90 of cam rotation and finally dwells for S0 before repeating the cycle. The cam rotates at a angular velocity of 10 rpm cew and angular acceleration of 3 rad/sec2 cw. 2π o 5...
Please be sure that the SCALE is 1:1 . CAM DESIGN lower type. Knife-edged follower •...
Please be sure that the SCALE is 1:1
. CAM DESIGN lower type. Knife-edged follower • Lift = 26 mm • Base circle radius = 28 mm Outstroke: Cycloidal motion for 120° cam rotation Dwell for 750 • Return stroke: Simple harmonic motion for 100° cam rotation • Dwell for the remaining 650 Cam rotates at 600 rpm in CW direction Cam shaft diameter: 18 mm • Cam thickness: 4+1 mm Draw the Displacement-Time (O) diagram. Use 1:1 scale. Draw...
8.7 Draw the displacement schedule for a follower that rises through a total displacement of 3...
8.7 Draw the displacement schedule for a follower that rises through a total displacement of 3 in with cycloidal motion in 120° of cam rotation. The follower then dwells for 90° and returns to 0° with simple harmonic motion in 90° of cam rota- tion. The follower then dwells for 60° before repeating the cycle.
10 Marks Question Five A cam drives a flat-faced follower. It is designed for.a zero lift from 0 to 70 degrees and f...
10 Marks Question Five A cam drives a flat-faced follower. It is designed for.a zero lift from 0 to 70 degrees and for a harmonic in the rise from 70 to 150 degrees. It then dwells at 40 mm lift for cam angles from 150 deg to 250 deg. Followed by a return with a uniform-motion follower displacement from 250 to 360 degrees. If the cam angular velocity is constant ot 1000 rpm, determine 40.0 70 100 150 200 250...
A translating cam-follower is to be designed for a Rise-Dwell-Fall-Dwell (RDFD) application in which vibrations must be considered
A translating cam-follower is to be designed for a Rise-Dwell-Fall-Dwell (RDFD) application in which vibrations must be considered. The cam is to move the follower from 0 to 35 mm in 70°, dwell for 100, fall back to 0 mm in 80°, and dwell for the remainder of the cycle. In addition, the cam must rotate at an angular velocity of 60 RPM. The position (s), velocity (v), and acceleration (a) curves during the rise period are defined by the...
Create a MATLAB code to solve the following problem using the cycloidal displacement method discussed in...
Create a MATLAB code to solve the following problem using the cycloidal displacement method discussed in the notes. Generate the SVAJ plot, and be sure to label each plot. Design a double-dwell cam to move a follower from 0 to 2.5 in in 60 deg, dwell for 120 deg, fall 2.5 in in 30 deg and dwell for the remainder. The total cycle must take 4 sec. Plot the sv aj diagrams.
1. A follower is required that should rise through a total displacement of 10 inches with half cy...
1. A follower is required that should rise through a total displacement of 10 inches with half cycloidal motion in 130" of cam rotation and dwell at 10 inches for 90. Then the follower should return to the zero position with full simple harmonic motion in 90 of cam rotation and finally dwell for 50 before repeating the cycle. b. In an Excel spreadsheet determine the heights in each of the above segments for 0 360 a range of 0s8s3...
to describe displacement diagram of a slow-motion plate cam Can angle e Output Motion Lift (in) (degree) Before 90 90-180 80°-270 Dwell Quadratic Rise Quadratic Fall Dwell 0 After 270 0 to d...
to describe displacement diagram of a slow-motion plate cam Can angle e Output Motion Lift (in) (degree) Before 90 90-180 80°-270 Dwell Quadratic Rise Quadratic Fall Dwell 0 After 270 0
to describe displacement diagram of a slow-motion plate cam Can angle e Output Motion Lift (in) (degree) Before 90 90-180 80°-270 Dwell Quadratic Rise Quadratic Fall Dwell 0 After 270 0
1. (40 points) A double-dwell cam is to move a follower from 0 to 2" in 120°, dwell for 80°, fall in 90 and dwell for the remainder. The total cycle is 5 seconds. Using cycloidal motion for the rise and 3-4-5 polynomial motion for the fall, find the follower displacement corresponding to the cam angle 0 at 90°, 180°, 230° and 320 respectively. Also find the maximum actual acceleration (in inch/sec2) during the entire motion cycle.
1. (40 points)...
Kinematics of Mechanisms CH, 6 OJKShim Homework #3: Cam-follower mechanisms Design A cam is to drive its follower as follows: 0° < 90°: dwell at zero lift 90° 180°: rise 10mm with cycloidal motion 180° 270°: return 10mm with cycloidal motion 2700 360°: dwell at zero lift. 1. Determine the equations and plot, S(ø), the displacement diagram for this motion, and their drivatives, S()=dS(¢)/d¢ S"(dP S(/d, and S"() d S(/d Mechanical Design and CAD Lab., Korea University
Kinematics of Mechanisms...
2 (30 p points) A follower rises through a total displacement of 6 inches with full rise cycloidal motion in 130 of cam rotation and then dwells at 6 inches for 90. Then the follower returns to the zero position with full fall cycloidal motion in 90 of cam rotation and finally dwells for S0 before repeating the cycle. The cam rotates at a angular velocity of 10 rpm cew and angular acceleration of 3 rad/sec2 cw. 2π o 5...
Please be sure that the SCALE is 1:1
. CAM DESIGN lower type. Knife-edged follower • Lift = 26 mm • Base circle radius = 28 mm Outstroke: Cycloidal motion for 120° cam rotation Dwell for 750 • Return stroke: Simple harmonic motion for 100° cam rotation • Dwell for the remaining 650 Cam rotates at 600 rpm in CW direction Cam shaft diameter: 18 mm • Cam thickness: 4+1 mm Draw the Displacement-Time (O) diagram. Use 1:1 scale. Draw...
8.7 Draw the displacement schedule for a follower that rises through a total displacement of 3 in with cycloidal motion in 120° of cam rotation. The follower then dwells for 90° and returns to 0° with simple harmonic motion in 90° of cam rota- tion. The follower then dwells for 60° before repeating the cycle.
10 Marks Question Five A cam drives a flat-faced follower. It is designed for.a zero lift from 0 to 70 degrees and for a harmonic in the rise from 70 to 150 degrees. It then dwells at 40 mm lift for cam angles from 150 deg to 250 deg. Followed by a return with a uniform-motion follower displacement from 250 to 360 degrees. If the cam angular velocity is constant ot 1000 rpm, determine 40.0 70 100 150 200 250...
Create a MATLAB code to solve the following problem using the cycloidal displacement method discussed in the notes. Generate the SVAJ plot, and be sure to label each plot. Design a double-dwell cam to move a follower from 0 to 2.5 in in 60 deg, dwell for 120 deg, fall 2.5 in in 30 deg and dwell for the remainder. The total cycle must take 4 sec. Plot the sv aj diagrams.
1. A follower is required that should rise through a total displacement of 10 inches with half cycloidal motion in 130" of cam rotation and dwell at 10 inches for 90. Then the follower should return to the zero position with full simple harmonic motion in 90 of cam rotation and finally dwell for 50 before repeating the cycle. b. In an Excel spreadsheet determine the heights in each of the above segments for 0 360 a range of 0s8s3...
to describe displacement diagram of a slow-motion plate cam Can angle e Output Motion Lift (in) (degree) Before 90 90-180 80°-270 Dwell Quadratic Rise Quadratic Fall Dwell 0 After 270 0
to describe displacement diagram of a slow-motion plate cam Can angle e Output Motion Lift (in) (degree) Before 90 90-180 80°-270 Dwell Quadratic Rise Quadratic Fall Dwell 0 After 270 0
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