
Lost Wax Bronze Process |
Original sculpture in clay with armature |
Step 1 |
Outer mother mold and internal silicon mold applied to original sculpture. |
Step 2 |
Wax sculpture with sprues, shrink bulbs and vents to be encased in plaster mixture (investment). |
Step 4 |
Crucible kiln being fired off to melt the bronze ingots. |
Step 7 |
Testing the heat of the molten bronze. |
Step 8 |
Pouring the molten bronze into the investment container |
Step 9 |
Step 10 |
Investment mold is split open to reveal the bronze sculpture. |
Step 11 |
Metal chased bronze sculptures prior to patina. |
Step 12 |
Completed bronze with ferric nitrate patina. |
Step 13 |
Wax sculptures are melted in the kiln at 1000 degrees for 48-60 hours. This creates the negative void for the molten bronze. |
Step 6 |

Melted wax poured into mold reproduces the original sculpture in wax. |
Step 3 |








Tar paper and chicken wire create a container mold into which the wax is put & invested with the plaster mixture. |
Step 5 |




The investment molds ready to be opened after cooling to 250-400 degrees. |

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