The oilcylinder mounted under the host, Gap seals cylinder, twocolumns, two screw frame structure (commonly known as four-post). Space for tensile tests on test, the test space can be usedfor compression, flexural and shear test (need to increase the correspondingaids). Lower beam movements using disk-typemotor driven worm, Ball Screw drive, to achieve tension, compression adjustmentspace. Main oil..