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Earing Test Machine Model 206
The Erichsen stamping paint testing machine, Model 206, has an electrohydraulic drive and blanking and drawing force of approx. 80 kN and blank holding force adjustable between 0 and 18 kN.
Model 206 functions on the principle of a blanking and drawing press and provides manufacturers and users with a standard test procedure for assessing the quality of stamping paints, plastic and other coatings on metal substrates. Testing is carried out quickly and, where required, in series. Using a max. blanking and drawing force of approx. 80 kN, Model 206 forms standard cups from painted sheet metal with a thickness of between 0.1 mm and 2.8 mm and a tensile strength of 200 N/mm2, or up to 1.0 mm sheet thickness with 400 N/mm2, in a quick process which can be carried out in series if necessary.
The stamping paint testing machine enables the quality of coatings on deep-drawn parts to be evaluated simply and accurately. During the test the coating is subjected to stresses equivalent to those applied during deformation by means of deep drawing with clamping pressure. This means that the coating must withstand compression, extension and bending strains under considerable pressure without the occurrence of surface or internal damage which could later give rise to corrosive attack.