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About Project

On average, 3D printing can save 75% of the cost involved in mold making for sand casting. Another benefit is that while conventional techniques can take up to several weeks for making the molds and cores, 3D printing molds only takes a few days and can be automated. This also means there is more room for improvement and design changes. After all, the production of molds and cores with 3D printing only requires a CAD file. The complexity of the geometries and their accuracy is also much higher with 3D printing.

Solution

• Step 1: Firstly, 3D print the master pattern with FDM ABS M30, polish it carefully as the mold pattern needs to be precise.
• Step 2: Place the mold pattern in the sand and set up the gating system, then remove the mold pattern.
• Step 3: Pour the molten Zinc alloy into the mold cavity and wait for the metal to cool down.
• Step 4: Break open the mold to remove the metal casting.