DISPOSITIVO TRANSDUCTOR PARA LA MEDICIÓN DE FUERZA Y VELOCIDAD EN UNA TAREA DE CORTE CON ESCALPELO (TRANSDUCER DEVICE FOR MEASURING FORCE AND SPEED IN A TASK OF SCALPEL CUTTING)
DISPOSITIVO TRANSDUCTOR PARA LA MEDICIÓN DE FUERZA Y VELOCIDAD EN UNA TAREA DE CORTE CON ESCALPELO (TRANSDUCER DEVICE FOR MEASURING FORCE AND SPEED IN A TASK OF SCALPEL CUTTING)
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El artículo muestra el diseño y fabricación de un dispositivo mecatrónico capaz de llevar a cabo la medición de fuerza y velocidad en una tarea de corte hecha con escalpelo. Se hizo un estudio, basado en el método de elementos finitos, con el fin de registrar la fuerza necesaria para romper el tejido (pechuga de pollo), teniendo un referente teórico como parámetro de comparación de los resultados obtenidos en las pruebas de corte efectuadas. Se usó como elemento primario de medición un sensor del tipo FlexiForce A201-25. El dispositivo fue acoplado, como herramienta de trabajo, a un brazo robótico industrial, programado con una rutina de corte transversal.
La velocidad de corte del dispositivo implementado fue sensada por medio de una cámara, llevando a cabo un
seguimiento a un marcador establecido previamente; para tal fin se desarrolló un software en lenguaje de programación C#. Todas las pruebas se efectuaron sobre el mismo tejido y con la misma rutina, con el fin de realizar una medición de la repetitividad del corte. Los resultados obtenidos fueron registrados en tablas, para efectos de análisis estadístico, y representación gráfica.
Abstract: This paper shows the design and manufacture of a mechatronic device, capable of measuring force and speed in a cutting work done with a scalpel. A study based on the finite element method was made, in order to record the force required to break the tissue (chicken breast) having a theoretical framework as the benchmark of the results obtained in the cutting tests. It was used, as the primary measuring device, a sensor type FlexiForce A201-25. The device was attached, as a working tool, to an industrial robotic arm programmed with a crosssection routine. The cutting speed of the implemented device was sensed through a camera by tracking a marker set previously for this purpose, software in C # programming language was developed. All tests were performed on the same tissue and with the same routine to perform a measurement of cutting repeatability. The results were recorded in tables, for purposes of statistical analysis, and graphical representation.
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