FIELD: instrument making.
SUBSTANCE: invention relates to structural test equipment. Proposed unit comprises base supporting specimen grippers arranged thereon, wheel with rotation drive, slide with slot, roller to electromagnetically couple said slide with wheel arranged in slide slot, push rod coupled with slide and flexible element to couple push rod with one of the grippers. Note here that said slide features additional slots to accommodate additional rollers for electromagnetic coupling between slide and rollers.
EFFECT: increased volume of data due to testing at instantaneous variation in cyclic load level and direction during semi-cycle.
1 dwg
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