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Vibration Absorber Terms
–
Amplitude is the maximum value of a repetitively oscillating quantity
(i.e. acceleration, displacement).
– The reduction of oscillatory
motion in a vibratory object through the loss of energy in the form of
heat during vibratory cycles. Vibration dampers increase the amount of
vibratory energy lost during an object’s oscillatory motion, which
decreases the vibration of the object.
– An indication of
a vibration isolator’s ability to provide vibration control. Deflection
refers to the amount that an elastomer, such as a rubber mount, moves
due to a force, such as vibration or shock.
– The movement
of an object from its initial placement. Vibration is a common cause of
displacement.
– A material, such
as rubber, that is capable of returning to its initial length after being
stretched at room temperature to at least twice its original length.
– The vibration
of an object due to an applied force.
– A measurement representing
the level of vibration to which an object can be subjected before sustaining
damage.
– The occurrence
of vibratory movement during an object’s displacement without the
application of an external force.
– The repetition of
vibratory motion during a specified period of time.
– Also referred to as
"cycles per second," it is a measurement of vibratory motion
or frequency that occurs per second.
– The integral of force
over a time interval.
– The rate of change of
acceleration with time.
– The number
of cycles that an object freely vibrates during a given unit of time.
– Motion that
repeats itself at measurable intervals of time.
– An increase in the
vibratory motion of an object that occurs when an object’s natural
frequency and the frequency of the force applied to an object are equivalent
to one another. This frequency point is termed the resonant frequency.
– A force to which an
object is subjected that disturbs the object’s stability, causing
an imbalance of equilibrium. Shock is often isolated in conjunction with
vibration to stabilize an object’s equilibrium.
– Steady
state vibration exists in a system, if the velocity is a continuous periodic
quantity.
– The amount
of vibration generated by an object that is transmitted to the object’s
support structure.
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