Method for the manufacture of bundles of metal sheets of...

H - Electricity – 02 – K

Patent

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H02K 15/02 (2006.01) B21D 5/01 (2006.01) B21D 11/10 (2006.01) B23K 31/02 (2006.01)

Patent

CA 2325127

The method makes it possible to form a stator of an electric motor by means of a multiple-slide press (21, 22, 23). The starting point is a bundle consisting of rectilinear segments of sheets obtained by stamping and welded. The stator is formed by means of four successive operations carried out by four groups of slides of a multiple-slide press and corresponding dies. The cylinder formed is subsequently welded along its joining generatrix and is calibrated in a hydraulic press.

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