Archivio Istituzionale della RicercaThe present paper focuses on the design of a nozzle needed for generating impulsive air shots with the aim of moving objects. These objects are caps, moving from a rotating cylinder to the bottle’s neck, inserted on an automatic machine for bottle secondary sealing. The aim is the reduction of the noise generated by the air shots, with the creation of an innovative nozzle which keeps the same main dimension of the currently used one, but changes the inner geometry. The new shape is obtained by a wide investigation on some existing design, found in literature, on patents and theoretical studies. The 3D model has been created on the software Autocad Inventor and then a first prototype has been 3D printed. Moreover the new nozzle and a commercial one have been tested, comparing their sound pressure in different conditions. In the end, the new nozzle is proved to be less noisy then the actual one, given the same flow rate.
3D Printed Low Noise Nozzle: Design and Experimental Tests / Volpiano, R.; Maffiodo, D.. - 148:(2023), pp. 226-234. (Intervento presentato al convegno IFToMM WC 2023 tenutosi a Tokyo, Japan nel November 5–10, 2023) [10.1007/978-3-031-45770-8_23].
3D Printed Low Noise Nozzle: Design and Experimental Tests
Volpiano R.;Maffiodo D.
2023
Abstract
The present paper focuses on the design of a nozzle needed for generating impulsive air shots with the aim of moving objects. These objects are caps, moving from a rotating cylinder to the bottle’s neck, inserted on an automatic machine for bottle secondary sealing. The aim is the reduction of the noise generated by the air shots, with the creation of an innovative nozzle which keeps the same main dimension of the currently used one, but changes the inner geometry. The new shape is obtained by a wide investigation on some existing design, found in literature, on patents and theoretical studies. The 3D model has been created on the software Autocad Inventor and then a first prototype has been 3D printed. Moreover the new nozzle and a commercial one have been tested, comparing their sound pressure in different conditions. In the end, the new nozzle is proved to be less noisy then the actual one, given the same flow rate.
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https://hdl.handle.net/11583/2984194