Water glass sand casting core making

As the water glass sand mold core is impacted and surrounded by high-temperature liquid metal, and the working conditions are far worse than the sand mold, the water glass sand mold core sand adopts high-temperature chromite sand.

For the complex sand core with difficult exhaust and mostly surrounded by molten iron, an exhaust duct is set up to ensure that the gas generated in the sodium silicate sand mold casting sand core is smoothly discharged out of the mold.

Separate sodium silicate sand mold casting core box is used to make the core. During core making, the two half core boxes are locked with clips, and then filled with sand, tamped and scraped, and then hardened with CO2 gas.

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