FIELD: testing equipment. SUBSTANCE: device has punch installed in cylindrical body and bar connected with punch. Installed on bar is movable inertial weight to which spring with its one end is connected and slide. Secured to bar from different sides of slide are electromagnets for interaction with slide. Attached to slide is the other end of spring. Punch is loaded by moving weight when switching electromagnets. EFFECT: extended functional capabilities by regulating loading parameters during test. 1 dwg
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