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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.