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What are the different motions of the follower?

Author

David Richardson

Updated on March 12, 2026

What are the different motions of the follower?

What are the different types of follower motion ? Also draw displacement diagram for uniform velocity. Uniform velocity, Simple harmonic motion, Uniform acceleration and retardation, Cycloidal motion.

Also to know is, what are the different types of motion with which a follower can move?

The follower may move as a slider, reciprocating in a linear direction, or as a rocker, oscillating around a fixed pivot. There can be overlapping functionality between cams and linkages (such as crank-rockers).

Furthermore, what are the different types of CAM? Types of Cams

Plate or disk cams: Plate or disk cams are the simplest and most common type of cam. A plate cam is illustrated in figure 3 (a).
Cylindrical or drum cam: A cylindrical or drum cam is illustrated in figure 3 (b).
Linear cam: A linear cam is illustrated in figure 3 (c).

Simply so, which of the following is motion of follower?

CAMS Yatin Kumar Singh Page 1 8.1 Introduction A cam is a rotating or a reciprocating element of a mechanism, which imparts rotating, reciprocating or oscillating motion to another element, called the follower. The Follower, And 3. The Frame. The cam revolves at a constant speed and drives the follower.

What is cycloidal motion?

(c)Cycloidal motion:Cycloid is the path generated by a point on the circumference of a circle, as the circle rolls without slipping, on a straight/flat surface. The motion executed by the follower here, is similar to that of the projection of a point moving along a cyloidal curve on a vertical lineas shown in figure.

What are the three types of CAM?

Types of Cams

Plate or disk cams: Plate or disk cams are the simplest and most common type of cam. A plate cam is illustrated in figure 3 (a).
Cylindrical or drum cam: A cylindrical or drum cam is illustrated in figure 3 (b).
Linear cam: A linear cam is illustrated in figure 3 (c).

Which motion of follower is best for high speed cams?

Best motion of follower for high speed cams - Theory of Machines

a. SHM follower motion.
b. Uniform acceleration and retardation of follower motion.
c. Cycloidal motion follower.
d. All of the above.

Where cam and follower is used?

The cam and follower mechanism is widely used for operating the inlet and exhaust valves of internal combustion engines. They are used in wall clocks and the feed mechanism of automatic lathe machines. They are also used in paper cutting machines and weaving textile machinery.

What is dwell period in Cam?

When the cam turns through one motion cycle, the follower executes a series of events consisting of rises, dwells and returns. Rise is the motion of the follower away from the cam center, dwell is the motion during which the follower is at rest; and return is the motion of the follower toward the cam center.

What is a flat follower?

A flat-faced follower consists of a follower that is formed with a large, flat surface available to contact the cam. The follower shown in figure 4 (c) is a flat-faced follower. This type of follower can be used with a steep cam motion and does not jam.

What is the function of CAM?

The camshaft, which controls the action of the valves, rotates at half the crankshaft speed. The camshaft controls the movement of the engine valves. The intake and exhaust valves are precisely timed to open and close based on the camshaft's influence and each has it respective actions.

What is cam angle?

The cam angle is the intake cam advance measured in crank degrees. The intake cam is positioned by an electro-hydraulic mechanism, which uses feedback from the intake cam position to alter the position of a solenoid which in turn rotates the intake cam inside the cam sprocket.

What is a snail cam?

snail cam in British English

noun. mechanical engineering. a cam with spiral cross section used for progressive lifting of a lever as the cam revolves.

How the motion is converted in cam and follower arrangement?

A cam and follower mechanism is a profiled shape mounted on a shaft that causes a lever or follower to move. Cams are used to convert rotary to linear (reciprocating) motion. As the cam rotates, the follower rises and falls in a process known as reciprocating motion.

What is uniform motion?

A body is said to be in uniform motion if it travels equal distances in equal intervals of time, no matter how small these time intervals may be. If we draw distance time graph for uniform motion then it will be straight line.

What is variable velocity?

Related to Variable velocity: variable acceleration. velocity in which the space described varies from instant to instant, either increasing or decreasing; - in the former case called accelerated velocity, in the latter, retarded velocity; the acceleration or retardation itself being also either uniform or variable.

What is cam and follower mechanism?

A cam and follower mechanism is a profiled shape mounted on a shaft that causes a lever or follower to move. Cams are used to convert rotary to linear (reciprocating) motion. The follower maintains contact with the cam through the force of gravity or by a spring.

How do I create a cam and follower?

Design of the Cam Profile

Draw the 100 mm diameter base circle.
Now draw the outermost of the concentric circle.
Since, there is no offset of the follower; hence the cam will be aligned with AB.
Now divide the base circle and the outermost circle by 300 sectors.

What is side thrust in cam and follower?

Side thrust exists between the follower and the guide. Rate of wear is reduced. Side thrust exists between the follower and the guide. It is used where more space is available such as in stationary gas and oil engines and aircraft engines.

What is a flat plate cam?

The most commonly used cam is the cam plate (also known as disc cam or radial cam) which is cut out of a piece of flat metal or plate. Here, the follower moves in a plane perpendicular to the axis of rotation of the camshaft.

What is CAM in machine?

Cam, machine component that either rotates or moves back and forth (reciprocates) to create a prescribed motion in a contacting element known as a follower. The shape of the contacting surface of the cam is determined by the prescribed motion and the profile of the follower; the latter is usually flat or circular. Cam.

When the follower moves with simple harmonic motion the velocity diagram is?

Since the follower moves with a simple harmonic motion, therefore velocity diagram consists of a sine curve and the acceleration diagram is a cosine curve. We see from Fig. 4.9 (b) that the velocity of the follower is zero at the beginning and at the end of its stroke and increases gradually to a maximum at mid-stroke.

What are the 5 types of followers?

Kelley developed a theory of followers describing five types: Conformist, Passive, Alienated, Exemplary and Pragmatic.

What is the difference between a cam and a follower?

As nouns the difference between cam and follower

is that cam is a turning or sliding piece which imparts motion to a rod, lever or block brought into sliding or rolling contact with it or cam can be (informal) camera while follower is (literally) one who follows, comes after another.

What is CAM and its classification?

Types Of Cams

A Cam is a reciprocating, oscillating or rotating body which imparts reciprocating or oscillating motion to a second body, called the follower, with which it is in contact. Of the many types of cam, a few of the most common are shown in the diagram.

What is CAM and its application?

Computer Aided Manufacturing Applications. A CAM system controls manufacturing operations performed by robotic milling machines, lathes, welding machines and other industrial tools. It moves the raw material to different machines within the system by allowing systematic completion of each step.

What other things use a cam mechanism?

Cam mechanisms are used in various areas of machine building, such as internal-combustion engines, metal-cutting machines, and machines of the food industry, in which the cam mechanism performs a programmed operation, as well as in automated machines, in which cam mechanisms perform control functions, connecting and

What is CAM short for?

Cam is best known as a short form for Cameron but could also be a nickname for Campbell, Cambria or other names beginning with "Cam".

What Cam has no dwell period?

Heart-shaped or constant velocity cams have a shape similar to a heart. The follower rises and falls steadily with uniform velocity. There is no stationary period.

What is negative Cam?

Negative cam ensures positive closing of distributor and also it aids in overlapping of units. As the camshaft rotates, that unit air line is vented via distributor and cyl head start valve for that unit closes. The next unit distributor slide valve will be activated as per firing order.

What is cam action?

Cam Action Closer. Cam action door closers are designed to provide higher efficiency than a rack and pinion door closer for slide track applications. These door closers offer a much lower opening resistance while delivering optimum closing force and control.

Why offset is provided in Cam?

Offsets are required in cam and followers to reduce wear and side thrust. Less stroke length means follower movement will be less. Due to less movement of follower, spring will also be compressed less. Therefore spring offer less reaction force to follower that will give condition of less wear and thrust.

What is the equation of cycloid?

mathematics. Cycloid, the curve generated by a point on the circumference of a circle that rolls along a straight line. If r is the radius of the circle and θ (theta) is the angular displacement of the circle, then the polar equations of the curve are x = r(θ - sin θ) and y = r(1 - cos θ). Cycloid.

Who discovered the cycloid curve?

The curve was named by Galileo in 1599. In 1639 he wrote to Torricelli about the cycloid, saying that he had been studying its properties for 40 years. Galileo attempted to find the area by comparing its area to that of the generating circle.

What is cam profile?

cam profile. [′kam ‚prō‚fīl] (design engineering) The shape of the contoured cam surface by means of which motion is communicated to the follower. Also known as pitch line.

What is the condition to draw the prime circle of a cam?

The size of the base circle determines the size of the cam. Prime Circle The smallest circle drawn, tha can be drawn from the center of the cam and tangent to the pitch curve.

How does a cycloidal gearbox work?

As the disc rotates, the lobes of the cycloidal disc act like teeth and engage with pins on a stationary ring gear. The cycloidal disc also has roller pins that protrude through the disc, and these pins attach to an output disc which transfers motion to an output shaft.

What is uniform acceleration and retardation?

Uniform Acceleration/Retardation:

Acceleration is the rate of change of velocity with respect to time. This motion is used where the follower is required to rise or fall with uniform acceleration, that is, it's velocity is changing at a constant rate.

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