The diagram illustrates the comprehensive process involved in shaping glass containers, highlighting eight distinct stages from raw material entry to final inspection.
Overall, the method entails an intricate sequence of heating, shaping, cooling, and quality control to produce functional glass containers.
Initially, the process commences with the introduction of raw glass into a furnace operating at a high temperature of 1050°C. Following this initial phase, the molten glass is pressed into Mould 1, which contributes to the preliminary shaping of the container. Subsequently, the glass is transferred to Mould 2, helping to form a product characterized by a thicker wall. To further refine the shape, air is blown into the soft glass, facilitating a detailed contouring process. This section of the procedure emphasizes the careful manipulation of the medium to achieve the desired structural integrity and aesthetic qualities of the container.
Once the shaping is accomplished, the newly formed glass containers undergo a cooling process, initially within a kiln maintained at 482°C. This intermediate cooling phase is crucial for ensuring the glass transitions from a malleable to a more stable state. After the kiln, the containers are subjected to a further cooling period at a relatively lower temperature of 25°C for 60 minutes. Following the cooling stages, a quality control inspection is performed by an individual who assesses each container and designates a checkmark to signify successful production. In contrast, any rejected products are systematically redirected into the waste stream, reflecting a quality assurance commitment within the manufacturing process.