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Investigating Strength Of Materials By Application Of Mechanical Stress
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Abstract
Inventia se refera la un mai electromagnetic pentru testarea si compactarea lucrarilor de constructii si/sau perforarea acestora, caracterizat prin aceea ca este alcatuit dintr-un mecanism electromagnetic vibrator, constituit din trei talpi de lovire, montate, fiecare, pe cîte o tija glisanta într-o teava actionata de trei electromagneti izolati la capete cu cîte o bucsa de textolit, si montati sub un unghi de 120 degree , pentru comanda electromagnetilor fiind utilizat un generator de tact cu doua circuite bistabile ce formeaza un numarator pîna la trei.
Elektromagnetischer Stimmgabelselbstunterbrecher mit im Erregerkreis liegendem Arbeitskontakt, insbesondere zur Erzeugung von unterbrochenem Gleichstrom oder Wechselstrom