Effective electromagnetic forces in thin sheet metal specimen

摘要

Electromagnetic forming is mainly investigated for the macro world as the body forces in this high speed process are decreasing with the volume of the specimen. For micro metal sheets different effects are observed which make an analysis of the acting forces more difficult. Hence, the validity of process simulations for electromagnetic forming is still limited. In this research the effective electromagnetic force on thin EN AW-1050A (Al99.5) sheet metals is investigated by varying the loading energy EC, the ration sR between sheet thickness and skin depth, the sheets width b and the distance dC between passive tool and sheet metal.