Diseño y construcción de un simulador de carga por medio de un freno electromagnético de acción modulable para una máquina de montaje de elementos y diagnóstico de fallas

Abstract

The objective of this work was to design and build a load simulator by means of a modulable action electromagnetic brake for an element assembly machine and fault diagnosis. For the construction of the simulator, a magnetic particle brake was implemented, which does not present friction between surfaces and therefore does not generate heat, where the torque behaves as a function of the supplied current. The automation of the element was carried out using a programmable controller with an extension of analog outputs. The selection of protection elements was carried out respecting the parameters specified in the construction regulations IEC 60947-2 and IEC 60898-1. A rubber elastomer jaw coupling was selected, which exhibits a broad ability to absorb energy and misalignment. The support was designed under the criteria of stresses and allowable deformation, considering tolerances of the coupling and brake, a MEF analysis was carried out to validate the design. The programming was carried out using the FBD language, following the specifications of the IEC 61131-3, to implement a control interface that allows access from a mobile device through a wireless signal. As a result, an error of less than 10 percent was obtained in the generation of the touch, comparing the entered value with the actual measured value. While, the maximum current is 400 mA when generating a torque of 6800 Nmm, with this, the brake can stop the motor of the machine. The simulator responds to user demands, which were identified through the analysis and deployment of the quality function. For data collection it is recommended to use digital torque wrenches to improve the quality of results.