Steps to make a bowl from ceramic clay

Concept: Ceramics is a clay-based raw materials as well as a variety of natural minerals after crushing and mixing, molding and calcination of materials and a variety of products. The general term for pottery and porcelain. The traditional concept of ceramics refers to all the inorganic non-metallic minerals such as clay as raw materials for artificial industrial products. It ranges from the coarsest earthenware to the finest fine pottery and porcelain. Its main raw material is silicate minerals (such as clay, quartz, etc.), and therefore belongs to the category of "silicate industry".

Main ingredients: silicon oxide, aluminum oxide, potassium oxide, sodium oxide, calcium oxide, magnesium oxide, iron oxide, titanium oxide, etc.

Common ceramic raw materials are clay, quartz, potassium and sodium feldspar.

Process:

One, panning the clay into usable clay.

Second, stack of mud will be poured into the mud split, stacked into columns, easy to store and billet with.

Three, pulling the stacked clay into a large turntable, by rotating the turntable, by hand and pulling tools, will be pulled into porcelain billet.

Four, print the blank According to the shape to be made to choose different molds to print the blank into a variety of different shapes.

Fifth, repair through the process of repairing the billet will be printed on the billet scraped neat and well-proportioned, repair is divided into wet repair and dry repair.

Sixth, press the water with water to wash away the dust on the blank, for the next painting, glaze and other processes to prepare for the work.

Seven, painting billet There are many kinds of painting billet, there are writing, there is a good sticker paper sketches, no matter how to paint billet is the finishing touch of ceramic process.

Eight, glaze painted porcelain rough, glazed smooth and bright. Commonly used glaze methods are dipped glaze, glaze, swings glaze, spray glaze, brush glaze.

Nine, kiln firing After dozens of tools carved porcelain blanks, in the kiln to withstand a thousand degrees of high temperature firing. Now the kiln has gas kiln, electric kiln, etc..

Ten, into the porcelain After a few days of refining, the kiln has become a piece of exquisite porcelain blanks.

Eleven, into the porcelain defects in the repair Sometimes the porcelain will be burned out a little flaws, with JS916-2 (Jin Su Cheng) repair, can make the porcelain more perfect.

Now more popular is the microwave drying technology.

The principle of microwave drying technology microwave is the frequency of 300 MHz electromagnetic waves, the heated medium material in the water molecules are polar molecules. It is in the rapid changes in the role of high-frequency electromagnetic field, its polarity orientation will change with the changes in the external electric field, resulting in molecular movement and mutual friction effect. At this time, the field energy of the microwave field is converted into thermal energy within the medium, so that the temperature of the material rises, resulting in a series of physical and chemical processes such as thermalization and expansion to achieve the purpose of microwave heating and drying.

I hope you can help!