Chang Carrillo
01/07/2024 · Senior High School
The melt density is \( 0.73 \mathrm{~g} / \mathrm{cc} \). The die diameter is 3 inches and the die gap is 0.040 inches. 6. Again using the conservation of mass, determine the melt velocity and the take-up ratio. Determine the blow-up ratio and the forming ratio.
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To determine the melt velocity and take-up ratio, calculate the cross-sectional area of the die, then use the conservation of mass principle. For the blow-up ratio and forming ratio, additional information about the input velocity and final film diameter is required.
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