1. Use the following parameters for displacementdiagram of a cam using the motions, ConstantVelocity, Simple Harmonic Motion, and ConstantAcceleration.Accent 60⁰Descent 60⁰Lift 6 cm2. Design a cam turning counterclockwise, to give areciprocating follower move vertically the followingmotion: rise of 8 cm. with a SHM motion during 150⁰rotation of the cam; rest for 45° decelerate UARDmotion during 120° rotation of the cam2.1Use knife edge2.2 Roller type follower, diameter of roller follower 2cm

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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 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
Given the following data: Follower type = roller follower, off-set to the right by 5mm; lift = 30mm; base circle radius = 25mm; roller radius = 5mm; out stroke with SHM, for 120° cam rotation; dwell for 60° cam rotation; return stroke during 120° cam rotation; first half of return stroke with Uniform velocity and second half with UARM; dwell for the remaining period. %3D The cam rotates at 250 rpm. Compute for the maximum acceleration of the 1st half in (mm/s?) of the return stroke ||
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, dwellfor 0.2 s, fall 0.25 in. with cycloidal motion in 0.5 s, dwell for 0.2 s, fall 0.25 in. withcycloidal motion in 0.5 s and then repeat the sequence. Determine therequired speed of the cam and graphically plot a follower displacementdiagram.
Project 4: Cam-follower is used in a range of applications to convert rotational motion to linear motion of a follower at specific characteristics and time period. Your role is to construct the profile of a cam that specify the following motion requirements of a follower: Motion.1: first part of lift period at constant acceleration of 2 m/s? over rotation of 30° Motion.2: second part of lift period at constant deceleration of 2 m/s? over the next 30° Motion.3: follower produces constant displacement for next 90° Motion 1 and 2 are the rise/lift period and must be 15 mm displacement and the fall is identical to rise/lift period and must return to the base again at 210°. The base of the circle cam is 140 mm. Produce the profile of cam for 2°intervals and find out speed of cam in rpm and the corresponding time interval for each segment of the profile. Provide both a table of data and final sketch including all the information on it. 1. Explore the profiles that will achieve a specified…
I. 10 Q2/ Answer by using true or false 1-The offset defined as distance between center of Basic Circle and line tangent of inner Circle of the cam. * False True 2- To balancing of rotation mass system of the same plane we need to addition two masses. False True 3-There are two type of the displacement diagram of cam are simple harmonic motion and uniform motion. * False True 4-There are two methods to solve the balancing of rotation mass are analytical and evnerimantal II
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
Given the following data: Follower type = roller follower, off-set to the right by 5mm; lift 30mm; base circle radius = 25mm; roller radius = 5mm; out stroke with SHM, for 120° cam rotation; dwell for 60° cam rotation; return stroke during 120° cam rotation; first half of return stroke with Uniform velocity and second half with UARM; dwell for the remaining period. %3D %3D The cam rotates at 250 rpm. Compute the maximum velocity in (mm/s) of the outstroke
Design a cam in non dimensional form consisting of 5 sections, each having the following characteristics: Determine equations for the cam profile for each section and box your answers for clarity. Hint: For each segment write the boundary conditions and apply them to the corresponding equation. Segment 1: (0 < y <) Has a cubic profile: Y = Ay³ + By² + Cy + D Starts from zero Dwells at zero Rises to the height of 4/3 Dwells at the height of 4/3 Segment II: (< y < 1) Dwells at the height of 4/3: Segment III: (1 < y <¹) Has a parabolic profile : Y = Ay² + By + C Starts from the height of 4/3 Dwells at the height of 4/3 Declines to the height of 1 Segment IV: (< <) Has a linear motion: Y = 4y - B Starts from the height of 1 Segment V: (
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
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

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Use the following parameters for displacement diagram of a cam using the motions, Constant Velocity, Simple Harmonic Motion, and Constant Acceleration. Accent 60° Descent 60° Lift 6 cm