Nowadays production of parallel structured nanofibers is widely evolving and is gaining popularity in various fields. This research is about the development of a modified device to produce nanofiber yarn with high quality oriented fibers. The main requirements of the device are to simplify the production of homogenous nanofibers and allow possibilities to change parameters of the experiment. This article describes the design process of the device in accordance with the technological requirements, its construction and prototyping. The article also includes an overview of the main disadvantages of existing device and the advantages of the modified device. The main feature of the developed device is the precise control of the rotational speed of the collecting element. This is done in order to make the collecting fibers process in precise parallel form. The modification of collecting element also allows changing the parameters of the nanofibers collection process. Using this device it will be able to test new materials for the production of nanofibers. The device tested with several materials and positive results are achieved.Keywords: nanofibers, oriented structure, electrospinning, prototyping, device design
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