It is connected to the tensioning sheets on the side walls of the screening machine with the help of bolts, with the angled tensioning metals on both sides. In order to prolong the life of the polyurethane sieve, polyurethane wicks are attached to the support plates on the sieve machine. The points where the support plates coincide on the polyurethane sieve are made in the form of polyurethane filled strips in order to extend the life of the sieve panel to be used.