ELECTROMAGNETIC PRESS Russian patent published in 1994 - IPC

FIELD: designs of press-forging machines. SUBSTANCE: press casing accommodates two rigidly secured magnetic cores of coaxial electromagnets. Electromagnet armature is made as a disc and two rods oppositely secured on said disc, each rod being housed in a through hole of corresponding casing plate. Each armature rod is stepped, with the cylindrical step of a larger diameter step adjoining the disc while internal part of each magnetic core has the form of a stop. Electromagnets may be installed in a position which prevents movement of armature under the force of gravity. Cylindrical steps of armatures may be 0.5 - 0.8 the length of corresponding coils. EFFECT: improved design. 3 cl, 1 dwg