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Based on virtual reality technology, a friendly human-computer interaction interface and virtual machining environment were programmed by using Visual C++ and OpenGL. Taken sphere as basic shape of abrasive grain and distributed it randomly on the wheel base, then the model of virtual grinding wheel was built. Mathematic model of interference between abrasive grain and workpiece was built. Surface...
The research presented the supply chain operation model based on networked manufacturing. It employs the Object-oriented Petri Net(OPN) to analyze the process of supply chain. The model of each object who takes part in supply chain operation was designed and the synthetical model was presented. Then, some properties such as deadlock, overflow and conflict can be analyzed. In such supply chain operation,...
Collaborative design is a new design style for mechanical manufacture, which is an important means in networked manufacture. Designers work at the same time will encounter the conflict, which should be solved. Firstly, the class of conflict is addressed to make a basis for conflict resolution. Then the conflict resolution method is applied. The resolution model is set up. According to the conflict,...
By using the coupling method of FEM and SPH, constitutive behavior of material in the metal cutting process was simulated and cutting mechanisms were analyzed. The simulation results show that the cutting process is a plastic deformation process in which cutting layer material produces shearing slip due to the extrusion of cutting tool; the extrusion and friction from cutting edge result in cold plastic...
Aiming at the problems of selection for motor parameters and mechanism design of the turn-milling centre, the model of the machining centre is simulated kinematically and dynamically by virtual prototyping technology. A 3D model of the machining centre is developed by UG software, and the assembly model is transformed into ADAMS to form a virtual prototype simulation model based on multi-body dynamics...
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