In order to promote combination on work and study, according to teaching requirements on "coke production technology", the teachers with teaching team at coal and chemical led the students with first class on teaching reforming on coal and chemical to carry on designing and making with coke oven model. Model making was a proven design method and integrated design process with profound meaning [. Model making practices was devoted into the teaching process, greatly stimulated the students enthusiasm, cultivated the career ability, social skills and methodical competence on students.Teaching effect is obvious [ .
To research 3-DOF parallel mechanism institutions applying to the process of plasma arc surface strengthening, the author establishes an inverse kinematics of institutions mathematical model, and then, basing on its structural constraints and using the boundary finding, draws the workspace. It has guiding significance for the establishment of robotic the plasma arc surface strengthening process.
The accident caused by the off-tracking of belt is one of the most common belt conveyor failures, and corrective device is very important for guarantying its safe operation. The method of establishing physical model and simulation of corrective device is described in this paper, and the problems that must be paid attention to by using software. The idea of dynamic analysis to test the effect of different corrective devices by using simulation software is proposed.
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