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Estimating Post-machining Costs for Cast Parts

When you finish a cast part, you might have costs associated with post-machining operations, such as drilling or milling. In this example, you open a cast part, define the removed material, and estimate the cost of removing material from the cast part.

Cast Stock Part costing_casting_without_finishing.png
Removed Material removed_material.png
Finished Part costing_casting_model.png
To estimate the cost of the finished part, you can combine cost estimates of these two parts:
  • The cast aluminum stock part
  • The material that is removed from the cast part during post-machining operations
In this example, you estimate the cost of removing material from the cast part.

Since finishing the cast part entails removing material, you can estimate the cost of finishing a cast part by estimating the cost of removing material from the cast part, either by assigning a milling or drilling operation for the removal, or by assigning a cost per volume of material removed. With either method, you first define a multibody part to represent the material to be removed from the cast part.

  1. Opening the Parts
    First, you open two parts: A finished cast part, and a part that represents the cast stock.
  2. Defining the Removed Material
    Aside from setup costs, the cost of the material removed during finishing operations determines the cost of the finishing operations. Next, you define a multibody part for the material removed during post-machining operations.
  3. Calculating Removed Material Costs
    Next, you calculate the cost of the removed material.
  4. Modifying Body Costs
    Next, you modify settings and update the multibody part cost estimate.


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