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keisanHigh-precision calculations for everyday life and work
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Roll-out of the board

Author: morimoritarouExecutions: 582
TOP/Shared Formulas (Engineering)/Civil & Mechanical

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Unfolding of Rolled Sheet Metal
Expansion is calculated along the centerline
Input Requirements
D (diameter)/r (radius)
mm
t
mm(Paper model is 0)
Expanded length mm
Calculate using pi (Π)
Round the answer to the nearest four decimal places

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