How to make a ceramic cup

When making a ceramic cup, it not only needs to be completed by hand, but also needs to be fired at a high temperature. If the firing temperature is not well controlled, it is easy to cause the ceramic cup to crack and deform. The production steps of the ceramic cup are mainly divided into the following points: 1. Practicing mud: stone is taken from the mining area, pounded with water, elutriated to remove impurities, and precipitated into brick-like mud. Then mix the mud with water to remove the slag, rub it with your hands or step on it with your feet to squeeze out the air in the mud and make the water in the mud even. 2. Drawing the billet: Throw the mud ball at the center of the turntable of the potter's wheel, and draw the rough shape of the billet by flexing and stretching. 3. The impression of the blank: the shape of the impression is to be rotated in the arc in the blank, and the semi-dry blank is placed on the mold, and the outer wall of the blank is evenly pressed, and then demolded. 4. Rigid billet: Lay the billet on the sharp bucket of the wheel car, turn the wheel, and use a knife to turn the billet to make the billet thickness appropriate and the surface and the inside smooth. This is a process with high technical requirements. 5. Exposing the blanks: Experts in custom-made ceramic cups will put the processed blanks on a wooden rack to dry. 6. Carving: Use bamboo, bone or iron knives to carve patterns on the dried or semi-dried body. 7. Glazing: According to the people who customize mugs, ordinary round mouths are dipped in glaze (dip the blank in the glaze basin, and immediately lifted when the mouth is flush with the glaze) or glaze (inject the glaze slurry into the blank and shake to make Apply the glaze evenly up, down, left and right, and then quickly discard the excess glaze slurry), blow the glaze for the cutter or large round vessel (the method is to cover the bamboo tube with fine yarn, dipped in the glaze, and blow with the mouth. Repeat this many times, the blank surface can be obtained Glaze layer with uniform thickness). 8. Kiln: The time course is about one day and night, and the temperature is about 1300℃. First build the door of the kiln, ignite the kiln. The fuel is pinewood, guide the piling technology, measure the fire time, grasp the temperature change of the kiln, and decide the ceasefire time. 9. Colored glaze: On-glaze colors such as multicolored and famille rose are used to draw patterns and fill colors on the glazed surface of the fired porcelain white porcelin dinnerware, and then burn it in a red furnace at a low temperature, at a temperature of about 700 ℃-800 ℃. In addition, before firing the kiln, paint on the green body, such as blue and white, red in glaze, etc., it is called red in glaze, which is characterized by the color that will never fade under the high temperature glaze.

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