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Plastics Engineering Injection Molding Most people have never heard of injection molding, however the products that are produced through this process are as common as a toothbrush, a compact disk, or even drinking glasses. Injection Molding is one of the principal processes used in converting plastics into useful products. An injection molding machine can be large or small but work through the same general process. The machine heats a thermoplastic material that in its pre-processing …

…be controlled to make any texture, metal inserts can be used to make things like screwdrivers, and with thermo plastics the waste material can be ground and used again. There are also disadvantages like the high cost of the molds and that the molds are to expensive for just short product runs. Through advances in injection molding plastics are becoming more popular and are being used to produce a wider variety of products. ------------------------------------------------------------------------ **Bibliography**