896 resultados para Machine shops -- Automation
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Dissertação para obtenção do grau de Mestre no Instituto Superior de Ciências da Saúde Egas Moniz
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Trabalho apresentado na Conferência CPE-POWERENG 2016, 29 junho a 01 de julho 2016, Bydgoszcz, Polónia
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An industrial manipulator equipped with an automatic clay extruder is used to realize a machine that can manufacture additively clay objects. The desired geometries are designed by means of a 3D modeling software and then sliced in a sequence of layers with the same thickness of the extruded clay section. The profiles of each layer are transformed in trajectories for the extruder and therefore for the end-effector of the manipulator. The goal of this thesis is to improve the algorithm for the inverse kinematic resolution and the integration of the routine within the development software that controls the machine (Rhino/Grasshopper). The kinematic model is described by homogeneous transformations, adopting the Denavit-Hartenberg standard convention. The function is implemented in C# and it has been preliminarily tested in Matlab. The outcome of this work is a substantial reduction of the computation time relative to the execution of the algorithm, which is halved.
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IMB (Irvine, Michigan, Brookline), a collaboration between the University of Michigan, the University of California at Irvine, and the U.S. Department of Energy, was an experiment designed to determine the ultimate stability of matter. Construction image. Mechanical "mole" (dosco machine) brought in by Morton Salt Co. to dig the cavity of IMB, 1979-1980
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National Highway Traffic Safety Administration, Washington, D.C.
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Mode of access: Internet.
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Shipping list no.: 92-486-P.
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"B-206887."
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Mode of access: Internet.
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Description based on: 1913/1914.
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Issued April 1977.
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Mode of access: Internet.
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Mode of access: Internet.