Do not give answer in image and hand writing A cam drive is required for a paper feeder mechanism for a printing press. The cam follower mustmove to the left 1.4 inches with a constant acceleration in 1.8 s, dwell for 0.8 s, fall 0.7 in withconstant acceleration, dwell for 0.3 s, fall 0.7 in in 0.8 s and then repeat that process. Determinethe required speed of the cam and plot a follower displacement diagram by hand or using aspreadsheet.

Given data:time taken for, Trise = 1.8 sTDwell = 0.8 s and 0.3 sTfall = 0.3 s and 0.8 s

Answered: A cam drive is required for a paper…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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P A cam drive is used for a mechanism that moves a tool in an automated screw machining process. The cam follower must rise outward 24 mm with harmonic motion in 0.2 s, dwell for 0.3 s, fall 10 mm with harmonic motion in 0.3 s, dwell for 0.2 s, fall 14 mm with harmonic motion in 0.2 s, and then repeat the se- quence. Determine the required speed of the cam and graphically plot a follower displacement diagram.
A cam drive is used for a mechanism incorporated in a shoe-sewing machine. The cam follower must rise outward 0.5 in. with cycloidal motion in 0.7 s, dwell for 0.2 s, fall 0.25 in. with cycloidal motion in 0.5 s, dwell for 0.2 s, fall 0.25 in. with cycloidal motion in 0.5 s and then repeat the sequence. Determine the required speed of the cam and graphically plot a follower displacement diagram.
A cam drives a flat reciprocating follower in the following manner. During the first 90° rotation of the cam, the follower moves outward through a distance of 30 mm with SHM. The follower dwells during next 90° cam rotation. During the next 90° cam rotation, the follower moves inward with SHM. The follower then dwells next 90° cam rotation. Draw the cam profile and calculate the maximum values of velocity and acceleration when cam rotates at 10 rad/s.
The cam follower rises outward 0.75 in with constant velocity for the first 90 degrees of the motion cycle and to dwell for 130 degrees, fall with constant velocity for 45 degrees, dwell for 95 degrees, and then repeat the sequence. Graphically plot a follower displacement diagram. Use the motion equations and a spreadsheet to plot a displacementdiagram of the follower.
A plate cam with reciprocating follower is driven by a constant speed motor at 199 rpm. The follower starts from a dwell and accelerates to a uniform velocity of 598 mm/s, and maintains this velocity for 34 mm of rise. Determine the cam rotation angle (in radians) for this uniform velocity segment. Answer: age Next page Fir Tim Type here to search
1. Use the following parameters for displacement diagram of a cam using the motions, Constant Velocity, Simple Harmonic Motion, and Constant Acceleration. Accent 60⁰ Descent 60⁰ Lift 6 cm 2. Design a cam turning counterclockwise, to give a reciprocating follower move vertically the following motion: rise of 8 cm. with a SHM motion during 150⁰ rotation of the cam; rest for 45° decelerate UARD motion during 120° rotation of the cam 2.1Use knife edge 2.2 Roller type follower, diameter of roller follower 2cm
1. A cam must rise in 3 seconds at constant velocity of 0.25 in/sec in the first segment. Then the follower must return to the zero position in 5 seconds with a full return cycloidal motion and then dwell for 3 seconds in segment 3. The final segment will be a full rise cycloidal motion. The total cycle time is 12 seconds, and the maximum height is in the first segment. Full return cycloidal motion 1 y = L + sin 2π Full rise cycloidal motion y = L sin Determine the following: The cam angular velocity. b. The cam rotation segment widths, B1 c. The lift (height) of the constant velocity segment. а. B4 , in degrees. Round off to nearest degree. d. The height at 0 = 180° е. The peak cam linear velocity V(t)peak with zero angular acceleration in segment 4.
A cam have the following specifications: Follower to move outward through 5 cm during 90° of cam rotation, it dwells for the next 60°. The follower then return to its original position through an angle 0R and then dwell for the rest of the cam rotation of 110°. The displacement of the follower is to take place with constant speed motion during both the outward and return strokes. The least radius of the cam is 4 cm. If the cam rotates at 300 r.p.m., construct the displacement, velocity and acceleration diagrams. Also determine The displacement, velocity, acceleration and the pressure angle for the following angles (40°, 75°, 145°, 200°).
A cam drives a radial, knife-edged follower through a 68 mm rise in 180° of cycloidal motion. Give the displacement (mm) at 45°. Use 3 decimal places in your calculations. Displacement dingram and derivatives for (ull-rise cycloidal motion, y' y 05 The displacement cquation and the first-, second-, and third-ordcr kincmatic cacffi ients for full-cise cycloidal motion are 270 y = 2x0 y%3= 1cos COS 27L y" sin 2r0 4n2L 2n0 Cos B Answer: 9Type here to search
Required Q5/ A cam is to be designed for a knife edge follower with the following data : 1. Cam lift = 40 mm during 90° of cam rotation %3D with simple harmonic motion. 2. Dwell for the next 30°. 3. During the next 60° of cam rotation, the follower returns to its original position with simple harmonic motion. 4. Dwell during the remaining 180°. Determine the maximum velocity and acceleration of the follower during its ascent if the cam rotates at 240 r.p.m. Vo=1 m/s & ao= 50.6 m/s2 O Vo=9 m/s & ao= 40.6 m/s2 O Vo=12 m/s & ao= 200.6 m/s2 Vo=5 m/s & ao= 30.6 m/s2 Dogo 7 of 7
A cam drives a radial, knife-edged follower through a 41 mm rise in 84° of cycloidal motion. If the cam is rotating at 232 rpm, determine the velocity (mm/s) at 27°. Use 3 decimal places in your calculations. Displacement dingram and derivatives for full-rise cycloidal motion, y The displacement cquation and the first-, second-, and third-order kincmatic cocffi ients for full-rise cycloidal motion are 1 270 y=L sin y =D(1- 2x0 1-COS B. 27L sin B2 2x0 y!" %3D 47x2L 2n0 Cos Answer: PType here to search
You are given a task to design a cam. The cam are used for feed mechanism in automatic lathe machine. The motion of the cam follower that you need to design are given as follows: (b) 1. Move up 50 mm in 1 second using the harmonic motion 2. Dwell for 0.5 s 3. Move down 50 mm in 1 second using the harmonic motion 4. Dwell for 1 second The motions of the cam follower then will repeat the same sequences. (i) Calculate total time taken for the cam to complete a full circle motion. (ii) Calculate the rotational speed of the cam. (iii) Determine the cam rotation angle for each of the follower motion interval. (iv) Construct the follower displacement diagram for this cam

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