Does The Quenching Time of Glass Tempering Furnace Affect Particle Size? Methods for Improving Particle Size

The particle size of tempered glass is related to stress, and the smaller the particle size, the greater the strength after tempering, which means the higher the hardness. But at the same time, the higher the stress intensity, the higher the probability of self explosion. Therefore, it is generally more appropriate to control the particle size of tempered glass between 50-60. So how should we control the glass particle size when processing tempered glass in a tempering furnace? Does the quenching time of glass tempering furnace affect particle size? What to do if the particle size is large?

1. Does the quenching time of glass tempering furnace affect particle size

1. Factors affecting the particle size of tempered glass

Before understanding whether the quenching time of the glass tempering furnace affects the particle size, we need to first clarify the factors that affect the particle size of tempered glass. The combination of wind pressure, furnace temperature, glass thickness, and heating temperature during tempering can all affect the particle size of tempered glass. Uneven heating and low rapid cooling air pressure are also the main reasons affecting tempered glass particles.

2. The Effect of Quenching Time on Glass

There are many influencing factors during the quenching and cooling process of glass tempering, mainly including wind pressure, wind temperature, nozzles, glass spacing, glass tapping speed, and swing speed. The higher the wind pressure, the faster the cooling rate. The wind temperature is adjusted according to different seasons and regions. The lower the wind temperature, the faster the glass cooling rate. The change in glass tempering stress is greatly affected by the wind temperature. The cooling efficiency varies depending on the distance between the airflow outlet (nozzle) and the glass.

2.So, does the quenching time of the glass tempering furnace affect particle size? After analysis, it can be seen that the quenching time of the glass tempering furnace has no direct impact on the glass particle size. On the contrary, the particle size of tempered glass is related to wind pressure, furnace temperature, and the heating temperature and thickness of the glass.

2. Methods for Improving Particle Size of Tempered Glass

Because the particle size of glass is related to stress, the greater the stress, the more particles there are, and the higher the hardness of the glass. In the production process of tempering furnace, if you want to improve particle size, you need to start from the following aspects.

2.1. Increase the rapid cooling air pressure on the glass and reduce the height of the air grille.

2.2. Raising the temperature of the glass at the furnace, while ensuring that the glass does not deform, can improve the heating effect of the tempered section of the glass and increase the furnace temperature as much as possible.

2.3. Consider parameter settings for different glass thicknesses when adjusting tempering temperature and tempering time.

2.4. If the ambient temperature of the tempering furnace is too high and the air density is low, such as in high temperature environments in summer, glass can be produced at night or when the temperature is low, or refrigeration equipment can be installed in the tempered glass processing workshop to improve the ambient temperature and meet production needs.