| 摘要 |
A method of cutting a strip of sheet metal, including feeding out a continuous strip of sheet metal in a feeding direction, cutting the strip into a plurality of lengths, including making a wave shaped cut between each length and an adjacent length, wherein each of a forward edge and a following edge of each length include a plurality of waves, and selecting at least one of a radius of each of the plurality of waves and a spacing between adjacent ones of the plurality of waves based on a cutting angle, wherein the cutting angle is oblique with respect to the feeding direction.
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