2023年7月25日 — A roll length is calculated by multiplying the difference between the diameters squared over 4, by pi, then dividing by the thickness. Roll...
2023年11月20日 — Another way to write the result as describe above, if you know the inner diameter, the thickness, and the number of layers, is L1=π(D0+Nh)N.
Quickly find the length of a roll by using this convenient roll length calculator ... Thickness. microns. Roll Length. meters. Calculate. Estimated Roll Diameter.
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