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 auniform velocity of 598 mm/s, and maintains this velocity for 34 mm of rise. Determine the cam rotation angle (in radians) for this uniformvelocity segment.Answer:ageNext pageFirTimType here to search

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Answered: e cam with reciprocating follower is…

Engineering

Mechanical Engineering

e cam with reciprocating follower is driven by m volo city of F00 mrm ls nd maintains this ve

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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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
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: (
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.
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.
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
9-6. A cam drive is used for a mechanism that drives an auto mated assembly machine. The cam follower must rise outward 13 mm with constant velocity in 3 s, dwell for 3 s, fall 5 mm with constant accelera- tion in 2 s, dwell for 3 s, fall 8 mm with constant S, acceleration in 2 s, and then repeat the sequence. 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 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°).
Draw the displacement diagram and profile of the cam operating a roller reciprocating follower and with the following data: Shaft diameter 10 mm; Minimum radius of cam 25mm; lift = 40mm; roller diameter=15mm. The cam lifts the follower for 120° with Simple Harmonic Motion (SHM) followed by a Dwell of 30° .Then follower lowers down during 150° of cam rotation with SHM followed by a Dwell period. If the cam rotates at a uniform speed of 100 RPM clockwise direction. Calculate the maximum velocity and acceleration during the ascent and descent period. Maximum Velocity and Acceleration During Ascent and Descent
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
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.
The displacement diagram of a radial plate cam with a knife edge follower is shown in Fig. 1. If the cam rotates at 6 rev per min, determine the time that it takes to Rise Dwell after the rise ay Return Dwell after the return Make one complete rotation C b B Out stroke-Del-Return stroke-Duel G H C D E F A12345 120 30 K Fig. 1 NP a 123456 120 20 mm