Mechanics of Materials in Mechanical Engineering - Engineering Assignment Help

Assignment Task

Task

Nowadays it is typical to see the common use of door closers in commercial, industrial and even residential buildings. Especially for the automatic types, hands-free access oregress either into or exit the building is a boon to many users. It is certainly advantagesfor a good variety of users, particularly for the physically challenged. As there areseveral components to the complete door closer system, you are tasked to design theswinging door arms to facilitate the door swing for entry and exit. The schematicdrawing is shown in Figure 1 and Figure 2.Please use the data corresponding to your surnames for this assignment. The loadsand major dimensions are provided in Table 1. You, as a designer, are free to choosethe other geometric parameters freely considering that design requirements for safetyfactors and reliability of usage are satisfied. State anyassumptions in yourconsiderations.Parametrized geometric data which will constitute your design choices are given in theFigure. (You are free to assume any other data as necessary or practically reasonable,e.g. the mass/weight of the door is principally supported by hinges at the edges)

1) By doing a literature survey to choose the type of material to be used in thedesign of the connecting pins, Ø1, Ø2 and Ø3 and the arms. Material selectioncan be based on an international standard e.g. BS, ISO, ASTM, ANSI or anyother standards. [15 pts.
2) The arms are expected to support the mass of the door F (kgf) without yielding. Size your design to provide a reasonable Factor of Safety for static yieldin

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