The goal of this paper is the adaptation of plans of manufacturing processes of Axisymmetric Solid Parts under the approach of Case Based Reasoning (CBR). To this end, a data model for feature-based representation has been developed, which contains the geometric, dimensional and technological information required for the preparation of the one-piece process plan. As a result, an algorithm to generate new parts process plans from a similar plan retrieved from the case base is presented, which is based on the specific information of the Primitive Form Features (PFF) and considers the possible interaction between neighboring PFFs. The computer support of the developed algorithm was implemented in AutoLISP as programming language of the CAD system used and the interface was created in OpenDCL.
Resumen-Este trabajo realiza diseño mecatrónico y desarrollo de prototipo de máquina programable, reprogramable y flexible para dibujar en dos dimensiones 2D, como proyecto integrador multidisciplinario de Ingeniería Mecatrónica, en el cual se incluye modelaje, simulación e implementación de tecnologías e interfaces, con integración sinérgica de las tres áreas básicas de mecatró-nica: Mecánica, Electricidad/Electrónica y Computación y computadores. Para lograr este objetivo se desarrollan las siguientes tareas: Modelaje matemático del sistema mecánico, Modelaje CAD y simulación, Modelaje electró-nico del sistema de control y simulación, Diseño del servomecanismo final, Integración de sistemas y diseño de software de programación, Pruebas y optimización del prototipo. Para desarrollar el prototipo final se analizaron y evaluaron cuatro alternativas de servomecanismos con el objeto de encontrar la mejor solución para el prototipo de máquina programable, reprogramable y flexible que haga dibujos en dos dimensiones: Servomecanismo neumático y electro neumático, Servomecanismo de tornillo de bolas y tuerca solidaria, Servomecanismo de tornillo sinfín y rueda helicoidal y Servomecanismo de transmisión flexible de polea y cable / polea y Correa.Palabras clave-Modelaje y simulación, Servomecanismos, Diseño mecatrónico, Máquina flexible.Abstract-In this paper is shown the development of a mechatronic design of a programmable, reprogrammable, flexible 2D-drawing prototype machine, as multidisciplinary project in Mechatronics Engineering. The project which includes modeling, simulation and technologies` and interfaces implementation, with synergistic integration of the three basic areas of Mechatronics: Mechanics, Electricity / Electronics and informatics. To achieve this goal the following tasks were done: mechanical system´s mathematical modeling, CAD, electronic control system´s modeling and simulation, servomechanism design, integration of systems and programming software design, and prototype testing and optimization. To develop the final prototype, four servomechanisms alternatives were analyzed and evaluated in order to find the best solution for the sought solution, such as: servo-pneumatic and electropneumatic servo and ball screw nut joint, servo-worm and diseño mecatrónico y desarrollo de prototipo de máquina reprogramable y flexible para dibujo en 2d
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