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Raw Brick Making buy in Coimbatore
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Raw Brick Making

Raw Brick Making

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India, Coimbatore
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Description
The next step is to make the material into the shape of the brick. There are three basic methods that can be used to shape the material: handmade, machine molded or extruded. Each method imparts a different look to suit the character of your home and your personal taste. In the handmade method, a soft mixture is forced through an extruder, cut into slugs and conveyed to work stations. The slugs are then individually picked up, rolled in sand and thrown into a pre-sanded wooden mold by a worker. Excess raw material is removed by a wire and endless belt. As the filled mold boxes continue on their journey, they are mechanically bumped on their ends to loosen the brick from the mold prior to dumping. Machine molded brick are made from shale or clay material that is pugged or mixed with considerable water and placed in a machine that presses the wet mix into molds previously sanded. The mold boxes are then bumped and dumped. A variety of sands are used to keep the brick from sticking in the molds and to affect different textures and colors of the final product. The shale and clay materials for extruded brick are mixed with a moderate amount of water. This mixture is forced by means of an auger through a die having the shape of the brick. Prior to entering the die, the material passes through a vacuum changer that reduces the amount of air in the mix resulting in a denser, more homogeneous product. It is here that core holes are placed in the column. The core holes are needed to reduce the mass for firing and the weight for future handling. The column that is produced by the extruder is cut by wires to make individual brick. Scratching, scraping, rolling or sanding the surface of the column as it exits the die produce multiple textures on the face of the brick.
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Raw Brick Making
Raw Brick Making
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