When you design custom urethane parts, knowing the right limits is important, especially regarding vacuum casting minimum feature size. This helps you make parts that are strong and work well. For urethane, the best wall thickness is 0.040 inches, and you can use 0.020 inches for small parts. ParameterRecommended ValueFeasible ValueWall Thickness0.040 in0.020 in Keep letters and numbers at least 1.3 mm apart. Make sure features are at least 0.050 inches apart. If you follow these vacuum casting rules, including the vacuum casting minimum feature size, you can avoid weak spots. You also prevent surprises in the size of your…
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