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Orthodontic force simulation is very important for the guidance of clinical orthodontic treatment. Previous works were mainly conducted by directly loading the force on a single or a few teeth. However, in clinic, the orthodontic force is provided by loading orthodontic appliances, and there currently is no appropriate way to measure the force on the teeth provided by the loaded appliances. This study...
The structural strength of the executive mechanism of excavator directly determines the whole performance, reliability and safety performance of the excavator. This paper aims to the executive mechanism, and establish the simulation model of excavator by using CAD and ANSYS. Then, the author simulates whole strength and single component strength of executive mechanism and analyze its strength change...
Screw-driven clamping fixture, it's external or internal force and deformation may be the direct cause of manufacturing precision, is one of absolutely necessary parts for manufacturing process. An effective way of predicting the movement and force of the screw-driven clamping is proposed in this paper based on mathematical methods and numerical simulation. As an example, a kind of screw-driven fixture...
This paper developed a virtual assembly system with force feedback. With secondary development of commercial CAD system, CAD assembly model was transformed into virtual assembly model, by loading which, the virtual assembly scene was set up. Then virtual assembly operation and navigation method based on force-feedback was explored and the separation problem between haptic proxy and parts under constraint...
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