In the production process of glass bottles, the production of small-capacity glass bottles is very complex and the production conditions are very strict, especially glass bottles below 5 ml. At present, most of the following domestic production processes:
Hand picking process, set up the mouth at the side of the kiln, stick into the material stick, manually rotate the head, the glass liquid group wrapped around and out, facing the mouth of the manual machine mold mouth, and then use hand scissors according to the glass The size of the bottle is cut into a glass frit, which is dropped into the first mold, and then blown to form a preliminary shape, and then manually inverted so that the material remains evenly balanced and enters the forming mold. , and then sent to the return furnace for secondary annealing.
There are also many small round kilns, surrounded by a number of different types of mud pools, with a combustion chamber in the middle. After mixing different colors of raw materials into each bowl according to the requirements, after nearly 20 hours of melting, it is possible to In each chamber, manual seasoning is carried out for production. The operation steps are the same as those for setting large rods next to large furnaces. However, such furnaces can meet the requirements of different material colors at the same time. The disadvantages are poor melt of material and liquid, slow production speed, and low yield. The high cost is generally due to the fact that the special-sized glass bottles with small capacity and the small number of handicraft glass products.
At present, domestic manufacturers of small-capacity glass bottles are also used in automata, and due to their small capacity, the requirements for the preliminary molds and forming molds for the assembly line process are very strict. It is necessary to use multiple feed drops and multiple units to ensure the required temperature. This will result in production. The quantity requirement is very high.
No matter which process produces small-capacity glass bottles, the material quality of the mold will be strictly controlled. The quality of the small glass bottles will directly affect the mold quality and insulation measures.
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