EI-CORE AND EI-CORE CUTTING METHOD AND EI-CORE CUTTING APPARATUS FOR TRANSFORMER

摘要

The present invention discloses a method for forming an EI core of a transformer that provides a high yield of E-I core molding and provides a rationality of a process by providing ease of lamination, and an EI core of a transformer having improved assembly and processing characteristics with the molding apparatus.;To this end, the present invention has two side edges of the raw material steel sheet as two E core outer periphery sides, and the side cut at the boundary thereof is the outer periphery side of the E core, and is disposed between the neighboring E cores across the raw material steel plate 20. A press apparatus having a mold arrangement of the sequential E-core molding apparatus spaced at least one pitch apart from the I-core molding apparatus so that the I-cores are arranged and the sequential molding of the E-cores is performed: A pilot device which is inserted between the core forming apparatus and the E core forming apparatus to insert the I core perforated cut from the raw steel sheet into the pilot hole to hold the reference position during the transfer of the raw steel sheet. At the end of the raw steel sheet is made of a guide block for holding the E-core cutting molding reference position.