The Design And Fabrication Of A Metal Bookshelf
Knowledge could only be obtained successfully by the use of book for research but unfortunately because of hard times, books have become very expensive. This is called for presentation of books already purchased whether in the library or on the household so that it can be used by the future generation. There could only be done by stacking books systematically on a book rack where by it can be file from rats and other insects that could blestroy books.
Our aim contribution to this development is the design and manufacture of a book rack that will be economically cheap and at the same time meet up its demands.
Book racks could be made with metals or wood. Again they could be attacked to the wall or they could be made standby on the floor. Our book rack will be of metal and made to stand on the floor.
A bookshelf is an invention with partition where books and files are packed on offices, libraries and even homes.
A bookshelf can be wooden, metallic or even glass. They can also be dismountable and undismountable. In our project, we dedicated to design and fabricate on undismountable met6allic bookshelves. Certain advantages were considered before starting off this project. An undismountable metallic bookshelf, if built with lart and serer its purpose. Also, lose of parts, 9of many dismountable bookshelf led into considering one undismountable type.
1.2 Description Of The Bookshelf
This description of the bookshelf is as shown in fig. (I) and fig. (2), is made up of the following:
- The sides
- The back
- The partition
- The frame work.
The sides of the bookshelf is as shown in the figure provided (fig2). 8it is made up of the square pipe frame and mild steel material welded to it. Each side is specially designed to act as the support in carrying the load undress any stress. The load displays on the system. The sides are lent at 90o to each other, giving the system a more rigid frame work.
The sides measures 1500mm Height, 1200mm Width, 500mm the dept.
The back of the book shelf is shown in the figure provided (fig2). It is made up of the same metallic mild steel used for the side, it is welded to the square pipe frame and 6the sides at angle of 90o. its measurement is 1200mm.
With a thicken of 3mm.
Since the back serves as a cover sort of to the system, a metallic sheet with a higher this chime in chosen so as to withstand rush, corrosion, intensity and weight of the system that is why one choose a material of 3mm thicken.
Our bookrack was designed to have 3 partitions be on to able to contain large number of books. The partitions is as shown in the figure measuring 5 fit length, 4ft width and 2ft deep. The material used for the partition in a mild steel materials. This is so because each portion is designed to carry a maximum load of at a time.
This partition is added to the square bar frame side and back of the bookrack making a more rigid frame workout of the system.
The volume of the partition and the arenas calculated as follow:
The frame is the skeleton of the whole system, it is made of 1inch square pipe. This frame was first erected together by welding, before the sheets for the sides, back and partition where attacked to it.
The frame was designed to withstand the stress that will be exerted on it by both the sheets and the load. The tensile stress that will be exerted on the frame was calculated.
The doors is of two parts the upper poin6t and the lower part, the upper part encloses the first two partition of the upper chamber which is of guaze. The guaze is also welded to it.
They lower part which encloses the last partition of the shelf, this door is made of steel, sheet and frame which is welded on to a hinge to help in open and closing.
The door also has a handle to aid in the movement.
The doors were designed for measure sayly of the book from rodents and tempering by introduce.
The design and jubilation of the project was carried out by us. All the experimental design was conducted doing the fabricat6ion of the project. Before we started the fabrication of the type of bookshelf, we made a lot of consultation and research on the type of design to be fabricated. The design was chosen because of its rigidity and its ability to last for a long time. The capacity was designed to hold large number of books and with the mention that it can be supplied to our heat overs officers for books and files keeping. The completion of the project was due to the joint effect and dedication of those involved in its fabrication in the whole process was carried out at Trans Ekulu Enugu, due to the last of space and constant interception on the schools Mechanical Engineering Workshop.
Considering the made of the design and the quality of material used in its fabrication, the bookshelf is good enough and we recommend its incident usage.
We will recommend that further designed and modification should be carried out so as to meet the technological standard and challenge facing the world at large.
We are suggesting that for the improvement of technology in our community that other preto type our model be invented to give different styles.
From our market survey, we found out that the cost of standard bookshelf of the some size, partition and durability like our own is around # while on locally constructed one cost only # we therefore deem that from personnel consideration, if you are asked to make a choice, there will be no doubt that our locally produce bookshelf will be chosen, since it is up to economically cheap and of cause its up to market standard. Therefore we are appealing that much effect should be made to encourage local production and boost our country economy.
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