Design and Fabrication of Bicycle Frame Using Fiber Reinforced Plastic
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2017, Vol 5, Issue 6
Abstract
The basic objective in this research paper is to design and fabricate the bicycle frame. The geometry of the frame is triangular which consists of three hollow structural elements which bear the load. The dimensions of the frame and the reaction forces are calculated using the principles of engineering mechanics. The material used for the frame is Glass Fibre Reinforced Plastic (GFRP). The orientation of the glass fibre is along the length of fibre direction i.e., zero degrees with reference to the tube axis. Additional cloth wrapping is also considered in order to reduce the crushing loads. The volume fraction of fibre should be minimum 50 percent. The manufacturing method used in fabrication of the frame is Pressure Bag Moulding. Metallic tooling and metallic joints are used in the moulding of the hollow structures. Pressure bag moulding is similar to the vacuum bag moulding method except that air pressure, usually 30-50 psi, is applied to a rubber bag or polythene tubular film which forces the composite layer to be in touch with the inside profile of the tool. Composite materials increase the speed of the cycle and also increase its strength and durability. Thus a composite frame which is 3 times stronger than steel and 4 times lighter than steel will have a higher efficiency and such bicycles come under the category of advanced bicycles.
Authors and Affiliations
N. Lokhesh Kumar, I. Bhavana Madhuri
Keywords
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