Milling Ureol for making sand Cast molds
Making Ureol molds for sand casting metal
There are six steps in the sands casting process:
- Make a form (from Ureol in this case) and place it in sand to create the mold
- Incorporate this assembly in a gating system
- Remove the form
- Fill the cavity with molten metal
- Let the metal to cool
- Break the sand mold and remove the finished metal casting
The CNC machine is a great help in the first step of this process, when making the form. In the examples above, a material called Ureol is used to create the form. Ureol is hard and with a High-Z or T-Rex it is easy to get a very clean surface.
Thanks to the open frame of the High-Z it is possible to work on much larger objects than what fits within the normal work volume.
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