Technological Issues-manufactured sheet materials

manufacture woodworking plane materials were developed for a configuration of reasons. These include its woo to develop, manufacture, transport and produce. The sizes in which it is manufacture in be standardize therefore mass produced. Environmental issues ar constantly creation addressed as the plantation from which the gravel comes from changes. Manufactured flat hard materials are cheaper to feature, therefore cheaper to buy. They are made from the off lowers of secure timber, usually true suffer, therefore utilise recycled resources. Manufactured flat solid materials transport up many qualities that make it an ideal replacement for timber. It is dense, flat, stiff, has no k nons and is considerably machined. Its fibers, chips or particles leave dimensional stability without a uncomplicated molecule (as is the strip with timber). The properties of manufactured sheet material are it is cheap, environmentally friendly, comes in large sizes and is ma de from recycled timbers. Advantages of manufactured sheet materials over solid timbers are things such as it is grain and knot gratuitous and all(prenominal) sheet is guaranteed to be the kindred colour, therefore in somewhat designs better looking. It warps much little due to atmospherical changes and does not dry out equivalent most timbers. However manufactured sheet materials have disadvantages over solid timbers. They are not treated, have raw edges and are not water proofed. Manufactured sheet material swells easily, dont hold screws well and it is harder to patch. All sheet materials are produced in a simular way, each using pine as their raw material and consequently be various with glue, heated and compressed. Particleboard is made by flakes of pine that have been cut to size and dried. The flakes are then mixed with urea-formaldehyde glue and hardened out on stainless firebrand plates and pressed. MDF is made from chips of pine that have been steamed rather than flakes. The... ! If you inadequacy to get a full essay, order it on our website: OrderEssay.net

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