SW error in calculating a scaled mass.

  • Thread starter Thread starter CaptnCarl
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CaptnCarl

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Designed a large gear - about 4 foot in diameter, 20" high. Used a known material value for density and let SW tell me the mass of the gear. No issues.
Later, we wanted to scale this gear up by 150%, and did so. But the mass of the part went up by more than 38 times. What is going on?
 
I found the answer. Operator error - the mass the second time was reported on the entire mechanism, not just the gear like we wanted.
 
In SolidWorks, scaling a part might not update the material density accordingly, leading to incorrect mass calculations. Ensure that the material properties, especially density, are adjusted after scaling to accurately reflect the changes in size. Manually adjusting the mass properties based on the scaled dimensions can also help correct this discrepancy.
 
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