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Based on illuminating the structure, working principle and force analysis of mobile electron radar, the finite element analysis of sheet metal shell is carried out on ANSYS Workbench (AWE) platform. First, the structure of sheet metal shell is simplified, then the 3D entity model and meshing model of sheet metal parts both are established. Secondly, the material attribute, contact type, load and constraints...
As the most critical component of a deep manned submersible, the manned pressure hull provides a safe living space for pilots and scientists under the deep sea pressure and its weight occupies almost 1/3 total weight of the manned submersible. So the pressure hull should be designed to have enough strength and should be as light as possible. However, a comparison of the current available design rules...
Based on 3-RRRRR parallel mechanism, a novel 3-DOF micromanipulator which is driven by piezoelectric actuators has been put forward. From the aspect of micromanipulator, spatial parallel mechanism possesses the advantages of high stiffness, compact structure and so on, and overcomes the disadvantage of small workspace. All the flexible hinges of the 3-RRRRR parallel mechanism are revolute pairs, so...
Phenomenons such as ??swell?? exist in storing and transporting of packagings of air conditioners, which affect the safety of the packaging stacks and the product image. According to this, researches were taken out on aspects affecting the resistance capacity of boxes such as environment, material of boxes, and box structure design. By combining method of both design and experiments, we tested the...
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