Glass forming methods (pressing, blowing, drawing, calendering, pouring, float forming)

The pressing method is an earlier method of forming, which is suitable for making thick and thin glass products with simple shapes or thick wall hollow products.

Method: First, put the glass liquid 1 taken out of the melting kiln into the model 2, and then put the mold ring 3 on the model, and then the mold core 4 began to press down, and the glass liquid to the four sides until the entire inner cavity was filled. After the finished product 5 is pressed, push the bottom plate 6 upward, and the finished product can be released.

The main production of hollow glass products, such as daily utensils, bottles, light bulbs. And many other finished products.

Blowing type: artificial blowing and active blowing. Due to low output value and high labor intensity, manual blowing is now rarely used except for blowing a few technical fine arts and a few large goods. And all kinds of active mechanical blowing.

Mainly in mechanical blowing method: pressure - blowing method, blow - blowing method, rotary - blowing method and belt blowing method.