Plastics manufacturing processes injection molding heated plastic is forced by a movable plunger through a nozzle and then into a mold. Fiberglass manufacturing how fiberglass is made youtube. The shaping processes to fabricate glass products can be grouped into. Container glass and pressed and blown glass, 51 and 25 percent respectively of total sodalime. Manufacturing process of a glass bottle machines and. Download free ebooks at manufacturing processes and materials. Pultrusion, gun roving, filament winding helical winding. In other words, it has been supercooled, that is cooled at a rate too high to allow crystal to form. Me 312 manuf act ur i ng technol ogy vi kr ant shar ma, mechani cal engi neer i ng depar t ment. Peter scheid, cameraman ho chi minh city vietnam 193,386 views. Glass fibres manufacturing, properties and applications. Chapters 1 and 2 provide general information on the glass industry and on the industrial processes and techniques used within this sector.
In industries of white cement, iron and steel, glass, paper, sugarrefining, water. Any excessive stress present in the glass may cause fractures whilst cutting, handling or processing. This process of slow and homogeneous cooling of glass articles is known as the annealing of glass. In this paper the production process nnpb narrow neck press. Postapproval changes related to drug product quality, manufacturing, and controls that may be documented in annual reports. Blow and blow process compressed air is used to form the gob into a parison, which establishes the neck finish and gives the. Energy costs drop about 23% for every 10% cullet used in the manufacturing process. Benefits of using quality cullet over a ton of natural resources are saved for every ton of glass recycled. Ppt glass industry powerpoint presentation free to download id. Enjoy a very satisfying clip of machines forming, analyzing and testing a glass bottle. Glass is an amorphous solid with the structure of a liquid. The glass articles, after being manufactured, are to be cooled down slowly and gradually.
Presentation organization 1 we start by looking at the natural resources for making glass. Overview of the material glass is one of three basic types of ceramics the others are. If glass articles are allowed to cool down rapidly, the. Properties of glass materials 3 that occurs above the glasses melting point the liquidus line is known as stable immiscibility, whereas phase separation at temperatures below the liquidus is. Visit our channel and see a new and even more satisfying video of this manufacturing process, with a lot of. Glass manufacturing process saintgobain building glass. The procedures for manufacturing glass are the same for all products except forming and finishing. The processes are float glass process and rolled glass process. Several processes melting, refining, homogenising take place simultaneously in the 2,000 tonnes of molten. The annealing process allows the glass to be cut and worked without such issues.
Ppt glass, industrial process design kerim goztepe. Postapproval changes related to drug product quality. If so, share your ppt presentation slides online with. Plastics and their uses is the property of its rightful owner. Preface ii manufacture of glass chapter 5 presents the bat conclusions as defined in article 312 of the directive. Glass manufacturing materials can be divided into 5 categories 1. Brief description of the fiberglass manufacturing processes. The glass ribbon is continually cooled to approximately 100c, at a controlled rate, in order to prevent the generation of stresses within the glass. Ppt plastics and their uses powerpoint presentation. For every six tons of recycled container glass used, one ton of carbon dioxide, a greenhouse gas, is reduced. The annealing of glass is a very important process. The products of this industry are flat glass, container glass, and pressed and blown glass. When autoplay is enabled, a suggested video will automatically play next.
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