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Folding Doors (Research Paper Sample)


power operated doors are fitted into most urban buses as a response to increased commuter aspirations for aesthetic, comfort, speed and timeless. the need for comfort on the tropics make air conditioning necessary while speed and timelines require that stop times be minimized. the latter implies rapid and unimpeded exit and entry of passengers as well as quick opening and closing doors without excessive noise. several concepts for power doors have evolved over the years. the following page shows some of the most commen concepts used today. study the concepts carefully, the sketches are drawn in plan view for ease understanding. understand the working mechanisms so that you have some ideas on the relative advantages and disadvantages of one concept B over another. so please write the advantages and disadvantages of door sample B and answer the following questions of why to choose the B door,how does it work,what is the working mechanism and provide a design drawings of the mechanism of the door i chose. Thank you

Folding Doors
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Folding Doors
A folding door also referred to as an accordion partition is a door that is able to open by folding back in sections. This type of door has remained popular in many areas where one does not need to open a full door. For instance, in buses, kitchens and basement doors it considered useful because it helps in saving space. Accordion door may exist as a single or a paired opening. The presence of a curved track enables the door to open easily just with a simple pull. Folding doors operate under various mechanisms such as an open-drive mechanism used in the buses without the source of air pressure. Technology has made it possible to have a variety of folding doors.Currently, there are both interior and exterior folding doors made of glasses, wood, steel, fibre glasses or a combination of any of these materials. Consequently, it has enhanced efficiency by sound attenuation and saving of both time and space. However, some disadvantages associated with the development of folding doors make it quite unreliable as some people are now shifting to the other types of doors.
Folding doors have many advantages that make them marketable today. To begin with, the installation process of a folding door because it has similar dimensions as that of a conventional door. Secondly, a folding door has panels that make it strong and steady. Vinyl folding doors can be washed and maintained for durability. Folding door can fit in narrow corridors and passages.Thus, it saves on space. It can also be locked from both sides and in either open or closed position. Finally, it ensures silent shutting by the use of a special sealer that insulate sound and air in the door frame. These benefits have enabled folding doors to be acquired for use in almost every closet area.
Although the folding doors are beneficial in some way the following disadvantages discourages people from using them. Some folding doors are very expensive to buy and to maintain. For instance those made of glass can easily break especially if installation was not done properly. Moreover, folding doors may cause accidents for example when a finger is trapped on a moving folding door.
Folding doors are the best doors that every home, office or vehicles should not do without. This is seen with the number of advantages outweighing those of the disadvantages. However, to reduce the advantages list enough precaution must be considered. For example, when cleaning the folding doors made of glass the cleaner should not use ammonia based acid. In addition, all the edges of the mirror surface must be dried. Finally, proper installation should be done to help reduce the breaking of the mirrors in glass folding doors. Moreover, an ideal folding door should be selected when buying one. When one opts to buy folding door made of glass then he or she should go for the glass with a good quality. Moreover, a folding door should be used where other such as hinge doors fail to work.
Working mechanism of a folding door
A folding door has some special features that enable it to open in either direction. It has a panel leaves that perform many functions. The door is made to fold by a mechanism built by the upper edge of the leaf and the upper jump of the door frame. Latching operation on the upper edge of this leaf ensures that the door is closed without using a lock. Thus, the door is kept closed and does not sag while in this position. This feature has been employed in constructing doors of cars in large cities prevalent with parking problems. Doors are made to fold beneath the car for the passenger or the driver to alight or to board it. The design aimed at reducing the space in which the door could swing wide open. Opening and closing of the door should not be done with a lot of ease by making use of the couple of forces at the links. The forces cause the door to rotate freely at the hinges.
A Sample Diagram of Folding Door
This diagram illustrates how a folding door works on the mechanism of pivot system. A centralized hinge connects the door and the door frame. The closing and the opening of a folding door depends on the force applied on the door by the user. The hinges form a great portion in the functioning of a folding door. It is noted that the folding doors may open automatically or by a mechanical means. For instance a bifold door may be powered by electricity, spring or by an individual.
Components of a folding door
Folding doors consist of the following components for an efficient closing and opening operations.
First door panel that is supported at one position of an opening door by a rotating slide pin.
Second door panel.
A hinge that connects the two door panels.
Guiding rail that is fixed on the door to be opened.
Slider that is mounted on the second door panel.
Rotary damper that dampens the movement between slider and the second door.
Doorframe sealer that ensures silent shutting.
Principle of operation
The first door panel is moved by inserting the rotating pins in the provided holes on the doorframe. Folding doors are designed in such a way that they can open and close smoothly. The door is sealed by the increasing the modulus of the sliding pins at the hinges. The insulation of the hinges between the door opening and the door closing is useful in this process.Moreover,the positioning of the pins both at the lower and the upper sides of the door opening facilitates the folding of the door. The rotary damper mounted on the slider enables the door to fold outwardly and inwardly smoothly. The axis of rotation of the hinges depends on the direction in which the door is to be moved.
Opening of the door
When a force is applied on the door, the hinge pushes the first door panel and the second door panel to fold in different directions. The slider moves at an inclined angle towards the fixing rota...
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