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Pendulum Impact Tester 25Nm (SMT-SM-13)
Classic Charpy notched-bar impact test.
Pendulum impact tester.
Hammer mass can be varied by adding or removing
Brake to reduce the residual energy.
Safe operation thanks to two-hand release of the
hammer and protective ring for the operating area.
Protective cover SMT-SM-13 available as an
Scale for displaying the notched-bar impact work.
Notched-bar impact specimens according to ISO
(U/V notch) and automotive steel, tempering steel,
structural steel, brass.
In the field of industrial quality control, the impact test is a widely used test method with
which to quickly and easily determine characteristics for a material or component analysis.
The SMT-SM-13 experimental unit is a solid-pendulum impact tester, designed for the Charpy
notched-bar impact test. The clean layout and simple operation mean the experimental
sequence can be observed in all details and phases. In the experiment, the hammer attached
to a pendulum arm describes an arc. At the lowest point of the hammer path, the hammer
transfers part of its kinetic energy to the notched specimen. The specimen is either destroyed
or bent by the impact and pushed between the supports. The notched-bar impact work
required to deform the specimen is read directly off a large scale. In order to vary the output
energy, the mass of the hammer can be changed by adding or removing weights. A brake
reduces the residual energy of the hammer on each swing until it reaches zero.