Calculation issues for SW6 butterfly head
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In SW6, when calculating the butterfly head, the outer radius of the spherical portion is supposed to be 1.0Do according to the standards; however, an error occurs when this value is entered, with a message asking for the correct geometric dimensions of the butterfly head. I’m not sure what’s going on – does anyone know the reason?
150 is calculated based on the inner diameter; calculating it based on the outer diameter results in an unreasonable increase of two wall thicknesses.