Diseño y construcción de una máquina de Charpy para evaluar la tenacidad de los materiales poliméricos productos de la impresión 3D.

Abstract

The design and construction of a Charpy machine using Arduino as a controller and carbon steel materials to form the frame parts, along with 3D printed samples for strength evaluation, is an innovative and easy-to-use method for characterizing 3D printed polymer materials. The device is based on the principle of the Charpy impact test and evaluates the hardness of the material by measuring the energy absorbed by the sample during fracture during impact. The main structure of the device is made of carbon steel and provides the necessary rigidity and stability during impact tests. The Arduino UNO is used as a control platform to automate the testing process, control the release of kinetic energy from the impact hammer, and record the data accurately and reliably. The 3D printed samples are designed for specific geometries according to the Charpy test rules and are impact tested on the machine. The device performs controlled blows on the sample and records the energy absorbed during the fracturing process. This absorbed energy can directly measure the strength of the 3D-printed polymer material, allowing for an accurate assessment of its impact resistance.