CWIEME Berlin 2016 : Daily pickup
Loss Analysis including Effect of Manufacturing Degradation Due to Punching (Materials Measurement)

Last Updated 2016-05-10

Loss Analysis including Effect of Manufacturing Degradation Due to Punching (Materials Measurement)

It is well known that residual strain occurring from punching leads to iron loss but there is currently no reliable solution for this.
Although there are ways to assess the particulars of strain distribution, here we will examine ways to identify degradation characteristics using commonly used material measurements.
Using this method, the degradation characteristics are presented as a function of the distance from cutting edge.
The identification of function parameters is conducted using the data from the single sheet testing with different sheet width we can see from the graph that relative permeability decreases as the cross-section gets closer.
Identification of the degradation characteristics in common single sheet testing is the point of this method. On the day of the session, a more detailed explanation will be given at our venue.


Identify the degradation distribution of the relative permeability in the lamination steel sheet
(Hiroyuki Sano)
2016-04-27

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