Tutorial: Adding a Chiller and Mold

Tutorial Level: Intermediate See how the two halves of a reflectionally symmetric part solidify when a chiller is added to one side.

In this exercise, you will learn how to analyze the effect a chiller has on casting.

Import Geometry

Before you begin, copy the file(s) used in this tutorial to your working directory.
  1. From the menu bar, select File > Open.
  2. Browse to your working directory, select chiller.x_b, and click Open.
    The model opens in the modeling window.



Designate a Casting Part

Select casting geometries with the Cast Part tool.
Important: A cast part must be defined before performing any other operation.
  1. On the Cast Part icon, click Designate Casting Part.
  2. Left-click to select which candidate is a cast part.
    Parts are automatically detected and highlighted based on your cursor position.
    The selected part is highlighted red.
  3. In the microdialog, select Aluminum as the material and AC-42100 as the alloy for the part.
  4. Right-click and mouse through the check mark to exit, or double-right-click.

Add a Chiller

  1. Click the Components tool.

    Click the Add/Edit Chiller tool in the secondary tool group.
  2. Click the surface of the part to create a chiller.


  3. Select Steel and click to enter dimensions of 40 mm for the Width, Depth, and Height.


  4. Right-click and mouse through the check mark to exit, or double-right-click.

Add a Mold

  1. Click the Components tool.

    Click the Add/Edit Mold tool in the secondary tool group.


  2. Select Green-Sand and enter 20 C.


  3. Right-click and mouse through the check mark to exit, or double-right-click.

Run Analysis

  1. On the Analysis icon, click Run Analysis.
  2. In the Run Analysis dialog, in the Stages tab, deselect Run a filling analysis.
    Note: For this demonstration, we do not need a filling analysis. Also, if we did not add a gate, a filling analysis will not run.
  3. Select the Advanced tab to manually select mesh factors for components like gate, mold, runner, riser, etc.

  4. Select the Stages tab and click Run.
    Note: Once the simulation calculation is finished, a green flag will appear on the analyze icon.

Analyze Results

  1. Click the green flag on the Analyze icon
    Note: You can also select the results by clicking View Now in the Run Status window.


  2. Click Mold Temperature under Result Types.




  3. Click Add/Edit Section Cuts.
  4. Select the Section Plane.


  5. Click Align to Global Y Axis.
  6. Click Play to start the animation.
    We can observe the mold temperature differences during the solidification evolution between both sides (with and without chiller).


  7. Click Solid Fraction under Result Types.


  8. Set the Solid Fraction percentage to 0.70.


    Note: The solid fraction value is set to 0.70 by default. In most cases, this corresponds to the value at which the liquid stops flowing.
  9. Click Play to start the animation.
    In the animation, solidified material (above 0.7) is transparent, while liquid material (below 0.7) is shown colored. Shrinkage porosity is more likely to occur in isolated areas.

    Notice how the final region to solidify is on the right side thanks to the effect of the chiller.

  10. Click Demolding under Stage, then click Porosity under Result Types.


  11. Set the percentage to 50%.


    The effect of the chiller is keeping the left side free of porosity.