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Application and function
The test stand enables both durability and
hardness tests according to EN 1957, without the need for a rearrangement of
the specimen, which would falsify the measured values. It combines the loading
device (roll) with a hardness measuring device. Due to its design, the test
stand enables the uncomplicated insertion of the test specimen (e.g. the
mattress) from the front or back side. The test table has a solid surface.
Mattresses can be tested lengthways and crossways. The specimen is secured
against slipping with side support profiles.
The support profiles can be turned and,
depending on the height of the test piece, used with a support height of 50mm
or 70mm. The continuous load is applied by a test roll that is mounted in the
middle above the test table. In order to be able to adapt optimally to the
specimen during the test, the roll is situated on the table in such a way that
it can be moved up and down, it can be rotated around its rotary axis, and it
can tilt around its lateral axis.
The roll is lifted automatically after the
end of the test or in case of interruptions and moves to a park position.
Non-standard tests with smaller loads can be carried out as well. For this
purpose, necessary weights simply need to be removed. The control is carried
out via a PLC with a touch panel, whereby the user guidance is simple and
illustrated. The rolling cycles can be set individually, deviating from the
standard.
