flat glass tempering furnace is a specialized industrial machine used to heat and cool flat glass sheets in a controlled manner, enhancing their strength and safety properties. Here’s an overview of the process and key features:

Overview of the Tempering Process

flat glass tempering furnace

Heating:

The glass sheets are heated to a temperature of approximately 620-680 degrees Celsius (1148-1256 degrees Fahrenheit), which is near the glass’s softening point.

The heating is done uniformly to ensure even temperature distribution across the entire glass sheet.

Quenching:

After reaching the desired temperature, the glass is rapidly cooled using high-pressure air jets.

The rapid cooling causes the surface of the glass to solidify quickly while the interior remains slightly warmer and more fluid for a short time.

This process creates compressive stresses on the surface and tensile stresses in the interior, giving the tempered glass its strength.

Key Features of a Flat Glass Tempering Furnace

flat glass tempering furnace

Heating Section:

Usually consists of electric heating elements or gas burners.

Equipped with precise temperature control systems to maintain uniform heating.

Quenching Section:

Comprises a series of air nozzles that blow high-pressure air onto the heated glass.

Designed to cool the glass rapidly and uniformly.

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