Monday, January 31, 2011

China to create shapes and figures with the arrival Hump

Ceramic Porcelain kaolin, a white clay that at extremely high temperatures in a cement and feldspar glass melts melts and binds the ceramic made together. Porcelain is a hard, white, translucent substance identified. Originally produced by molds hump during the T'ang period (618-906 AD) technique was refined during the Yuan (1280-1368 AD) with the inclusion of cobalt blue and white product to be produced. The Ming period (1368 - 1644) saw theInvolvement of other colors. ceramic porcelain was introduced to Europe by Marco Polo at the end of the thirteenth century. Grand Duke Francesco de 'Medici in Florence was so taken by the pottery, which he entrusted his palace to experimenting with different clay and glaze mixtures, stoves and styles to create objects of thousands of porcelain dishes. Porcelain plates were craftsmen in 1710, first produced commercially in Europe in Meissen, Germany.

Toporcelain plates again yours, you have kaolin, WD-40, modeling tools, water, nail polish and an oven. You also need a drop or hump mold. The difference is that the forms have a hump shape of convex surface having a concave surface and release. This technology can provide homes in a variety of shapes and sizes. Before kaolin mixed with water as directed on the package. You can drive or rolling pin, roll the clay, roll out,But the drive wheels to provide more uniform plate. Roll until the pot is about 1 / 4 "thick. Spray a lubricant on the surface of the mold by gravity or by gravity, and set the plate of clay over the top. Press the plate in the mold with a damp sponge and cut the excess clay around the edge of the mold, cut vertically with a knife. Let the pot or bowl to dry completely. Then remove the piece from the mold and a paste made of kaolin to fill any small holes and stains on the surface.smooth surface with a rasp and sandpaper, and finish the process of smoothing out with a damp sponge.

Bisque-fire the pieces at 980 degrees Celsius. Combustion at low temperature is the key to achieving the porosity characteristic of China, and prepares the surface of the mold by gravity or crisis for the glass on the left. The pieces of biscuit should be turned quickly immersed in a pegmatite quartz and enamel, which is mixed just before use. This glaze is clear and seal the surface andrequires some skill in holding the plate to ensure proper and uniform layer of immersion. Let the piece dry completely for at least 48 hours. You can easily touch the surface with strips of tools to eliminate the drops, bumps and other defects. The piece was fired a second time to 1380 degrees Celsius to get the feature porcelain finish.

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