Bone china manufacturers teach you to distinguish between hand-drawn blanks and grouting blanks

Porcelain shaping includes clay stick plate method, mud piece encircling method, impression method, grouting method (pouring method), wheel molding method, etc. The wheel molding method is divided into fast wheel and slow wheel. The grouting method is called grouting blank. The following bone china manufacturers introduce in detail what are the hand-drawn blanks and grouting blanks. The hand-drawn blank is to place the mud in the middle of the roulette, and the mud is manually drawn to shape by the centrifugal force of the rolling of the roulette. This method is called the hand-drawn blank. Hand-drawn blanks are necessary for clay with good plasticity and high cohesiveness. For example, bone china has low clay content due to the natural bone powder in the material, so its plasticity and cohesiveness are not good. Hand-drawn blanks can only be shaped by grouting. The wheel forming method is divided into slow wheel and fast wheel according to the needs of making utensils. The slow wheel is to put the mud on a circle. If you use the inverted method, you must start from the bottle mouth and gradually stack it. , The upper part is the base of the bottle. It polishes the blank wall smoothly and beats evenly without using external force. Compared with the slow wheel, the fast wheel is easier to shape. The fast wheel pulls the mud during twisting to make it shape. Way, the fast wheel is also manually drawn. The blanks made by drawing the upper roulette are blanks, and they must be trimmed to become finished blanks before they can be fired in the kiln. There is a way of 'three-point repair and seven-point repairThe grouting blank of the wholesale dinnerware suppliers first makes the plaster mold. Due to the easy forming and water absorption characteristics of the plaster, the prepared slurry is injected into the plaster mold. The slurry will be evenly absorbed on the inner wall of the plaster mold, and the adsorption time is controlled. The excess mud is poured out, and after the green body is dried and compressed, it will be separated from the plaster mold, and the formed green body can be taken out, which is the grouting body. Bone china is the grouting method used to make the green body. The green body cup made in this way has a higher flatness, a uniform thickness and a smooth surface.
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