发明名称 SEGMENTED LAMINATED CORE AND METHOD FOR MANUFACTURING THE SAME
摘要 This disclosure relates to a method for manufacturing a segmented laminated core. This method includes (A) feeding a metal sheet to a progressive die, (B) stamping out workpieces in the progressive die, workpieces each include a plurality of pieces aligned in the circumferential direction with a circumferential part, and (C) fastening the workpieces together to obtain a segmented laminated core. The step (B) includes (b1) performing cutting-and-bending processing to form a slit line and a bending line across a region configured to be the circumferential part, (b2) returning by push-back a bent part that is a portion between the slit line and the bending line to an original position, and (b3) forming a swaged portion on the bent part. The step (C) includes (c1) fastening the workpieces by the swaged portion.
申请公布号 CA2929017(A1) 申请公布日期 2016.11.07
申请号 CA20162929017 申请日期 2016.05.04
申请人 MITSUI HIGH-TEC, INC. 发明人 IZUMI, MASAHIRO;HASUO, YUSUKE
分类号 H02K15/02;B21D53/88;H02K1/12 主分类号 H02K15/02
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