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Thiết kế nhà xưởng và công trình công nghiệp

Tham khảo tài liệu 'thiết kế nhà xưởng và công trình công nghiệp', kỹ thuật - công nghệ, kiến trúc - xây dựng phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | j storing logs and cut timber I I marking and cutting I I sorting I dressing I thickness planing rebating profiling I cutting to size laminating veneers I veneering Ị paminating edges edge gluing Ị I marking and cutting I - storing finished boards I Ị I I MI niumi WORKSHOPS WOODWORKING Generally the change in plan form from long sheds to more compact developments - 2 - 3 improves economy the site is more efficiently used routes are shorter in mixed production service ducts are shorter. Multistorey buildings are not appropriate for production areas but are recommended for offices ancillary rooms and store rooms for small and or valuable articles. Predominant building types have steel frames with reinforced concrete and metal or timber cladding. Walls and roofs of large manufacturing units should have good heat and sound insulation. Windows of insulating glass are mostly fixed natural lighting from above is possible a smaller proportion of window area as required by regulations should serve for ventilation and view. Space requirements for examples shown an average of 70-80 m2per employee without open storerooms . An extractor system is required in virtually all cases to remove wood chippings sawdust and wheel dust both for the sake of regulations on health and safety at work and on economic grounds. The arrangement of machines is determined according to the sequences of operations. Rubber bonding to metal mountings can reduce high levels of machine noise. In small companies with up to ten employees general production flow can be in a line or L-shaped. In medium-sized companies with more than ten employees a U-shaped or circular or square arrangement gives a better flow. In the latter case functions are combined gate load and unload ramp supervision checking goods in dispatch. Work sequence timber store cutting area drying room machine room bench workshop surface treatment store packing. Machine room and bench workshop is divided by a wall with doors - 3 . Office and