High load EPLEXOR 6000/8000 N system with standard thermal chamber, electronics cabinet, liquid nitrogen container and computer control. Forces up to 6000 resp. 8000 N together with the modular design allow tests of entire components.
EPLEXOR 8000 N configured with a standard thermal chamber showing the lower force axis with the option of two remote controlled position sensors for optimized resolution (position) and maximized ranges of operation.
Fracture tests performed with 3 different types of cords reveal their load-bearing capacities. Additionally the reproducibility of the method is proven be repeated tests on two types (Cord A. C).
High numbers of load cycles can be obtained by dynamic testing within relatively short times. This saves operation times and costs. A fatigue test on steel performed on cylindrical samples is shown as an example.
Dynamical load sweeps easily reveal mechanical material data required by construction engineers for tailoring mechanical vibration dampers.
The conversion of mechanical energy within a test part causes a heat build up during the cyclic loading. When this effect is prominent as e.g. in case of rubbers, the dissipated energy increases the temperature significantly in time and creates thermally induced changes the material`s mechanical properties as e.g. the damping (tanδ) and stiffness (Elastic-Modulus). The precise control and knowledge of the test conditions is essential to make a successful use of these interrelations for the final premium product performance.
Ahlden, 20. Dezember 2011
Racing needs professionals! And adequate equipment is indispensable. Materials research and in particular the determination of linear and non-linear material properties show similarities. This is most restrictive when the performance of real components has to be characterized. A suited test rig supplying high forces is a must!
The brand new static-dynamic test benches EPLEXOR® 6000/8000 N double the force range and facilitate analyses of the non-linear material behavior, too. This is not the only advantage. Beside standardized test geometries (e.g. DIN/EN, ASTM) entire components can be tested by the EPLEXOR® equipment.
Depending on the EPLEXOR® instrumentation e.g. the heat build up or the rolling resistance can be determined. Furthermore fatigue, tensile, compression or shear tests are running on the same machine. The substantially extended load and deformation range accessible by the EPLEXOR® 6000/8000 N series gives a wide access to the non-linear thermomechanical material properties. The benefits of this very versatile configuration are not only appreciated by the tire, roller or general rubber industry.
The new series is capable to apply forces up to 8000 N and offers displacements of at max 50 mm. The consequent modular design of the EPLEXOR® 6000/8000 N series permits a stepwise upgrade of the machine depending on the actual needs. Starting from a standard configuration for material testing an upgrade of the machine for dedicated component tests is possible at any time. Inherent to all EPLEXOR® types are the independent controls of the upper and lower force axes (electric servo motor and electrodynamical shaker) that can be operated in any correlation, depending on the experimental needs.
Tests of large components presume the availability of sufficiently high forces. If that is not the case the reduction of the parts` dimensions (“downscaling”), which is the standard limited force approach, is related with several shortcomings. In case of heterogeneous materials the representativeness of the analysed sample for material performance is lost, easily by such “downscaling”. High force equipment as the new GABO EPLEXOR® 6000/8000 series assures highest possible analytical precision.
Furthermore the DMTA-systems EPLEXOR® 6000/8000 N close the existing force-gap among usual sample tests and dedicated component tests by a sole machine! Due to the modular hardware design and the offered gradual spectrum of exchangeable force and additional position sensors, systems can be configured dedicated to fulfill their tasks perfectly. E.g. the 25 N force sensors are equally well controlled in the low force region as the high force sensors destinated for the ranges up to 8000 N. In all force regions the operation under maximized precision is granted.
For the control of additional parameters as temperature and humidity different, exchangeable temperature chambers (-150 °C up to 1500 °C) and a humidity are optionally provided.
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