Foam is widely used material in various industries for multiple applications. Similarly in the UAV industry which is one emerging industry across globe uses different foams for UAV design, pattern making, UAV manufacturing and many more. Some Foam are lightweight with certain rigidity which makes it suitable for small UAV aircraft. In the early stages of development of aircraft various design iterations are done using foam by UAV designers. To save time of this foam cutting process & improved precision accuracy in cut. This can be achieved using Computer numerical control Foam cutter. This design CNC foam cutter aims to resolve mentioned issues & provide feasible solutions for cutting foam in wing shapes. This study will explain the design and approach of CNC foam cutters.
Hotwire acting is a commonly used method to cut various types of foam in different shapes and sizes. Cut quality of foam depend upon variable cutting parameters of hotwire which affects the cutting process to achieve the needed cut, precise and accurate cutting parameters are needed to be set this research is done to develop 4 axis computer-controlled machine to perform precise and accurate foam cutting using hot wire and to identify suitable cutting parameters to improve foam cutting. This CNC has two mutually perpendicular axes controlled using a motor and micro controller. This design will aid UAV designers, Aero-modeller & hobbyist for rapid prototyping of wings, fuselage & different shapes, also it has wide application in RC modelling, signage, scale model & props, etc. this will save time, increase productivity and quality of cuts.
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