Investigation of the Material of the Bronze Sleeve Obtained by 3D Printing from Metal Polymer Wire

The purpose of this study was to study the material of a bronze sleeve obtained by 3D printing from metal polymer wire.
Methods. For printing and research, the Bronze Fill filament from the manufacturer Color Fabb was used, which includes 80% bronze and 20% polylactide. To create a model of the CAT-434 excavator bushing, taking into account the properties of the Bronze Fill filament, the Autodesk Inventor program was used. The model was printed on an Anycubic Mega S 3D printer. The chemical composition of the samples was determined using a Niton Xl3t GOLDD spectrometer. The microstructure of the material was studied using an Olympus GX53 microscope at various magnifications. The surface roughness of the part was studied using a Time Group TR300 profilometer.
Results. Based on the conducted research, it was found that the sleeve made by 3D printing is able to withstand the mass of the semi-axis with a high margin of safety. Bronze obtained in this way can perform an antifriction function when working in friction conditions. It is possible to reduce the cost of the starting material for products made by 3D printing by layer-by-layer surfacing of metal-plastic wire by using powder obtained from industrial waste as a filler. This allows the use of environmentally friendly materials and reduces the negative impact on the environment.
Conclusion. The use of 3D printing for the manufacture of metal products has great potential for industry and scientific research. This allows you to create high-quality, durable and precise products with reduced production costs. Using the 3D printing method for the manufacture of metal products, such as bushings, allows you to obtain products with high accuracy and quality. The bronze obtained by 3D printing has a similar chemical composition and high strength, which makes it suitable for use in mechanical engineering.

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