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Gravity casting, also known as permanent mold casting, is a process in which molten metal is poured into a metal mold and filled under gravity to form the casting.

Compared with high-pressure die casting, gravity casting requires simpler equipment and moderate investment, making it suitable for medium-volume production.

During casting production, emissions mainly come from:

• Metal fumes during melting
• High-temperature volatilization during pouring
• VOC gases released from sand molds and resins
• Dust generated during grinding and finishing

Without proper treatment, these emissions can affect both the environment and worker health.

The casting cooling process refers to the entire stage in which molten metal solidifies inside the mold and gradually cools to room temperature.

Holi, also known as the “Festival of Colors,” is one of the most important traditional festivals in India. It symbolizes the arrival of spring, the triumph of good over evil, and new beginnings.

During Holi, people throw colored powders at each other, celebrating joy, friendship, and unity. Cities come alive with vibrant colors and festive spirit.

Pouring temperature is one of the most critical parameters in casting:

• Too low: Poor fluidity, risk of cold shuts and misruns
• Too high: Increased oxidation and gas porosity

An optimized pouring temperature ensures proper cavity filling and structural integrity.