一种高效外圆加工机床设计与仿真-design and simulation of an efficient cylindrical machining machine tool.docxVIP

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一种高效外圆加工机床设计与仿真-design and simulation of an efficient cylindrical machining machine tool.docx

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一种高效外圆加工机床设计与仿真-design and simulation of an efficient cylindrical machining machine tool

AbstractAfter cold rolled round steel surface with iron oxide skin, cracks, size deviation, shape deviation defects so must do resection treatment. A lot of round steel are shender rod, so processing difficulties and low efficiency on ordinary machine tools. The efficient cylindrical machine tools is the special machine are used to remove the large ratio round steel, it is often called peeling machine, peeler. There is a new technology, new process to process slender shaft workpiece, with a high degree of automation, high efficiency and high precision.Firstly, in this thesis introduced in detail the structural design of the machine tool, including the feed mechanism, the pinch mechanism, the cutting portion, the traction mechanism and a lower feeding mechanism. And in UG environment designed three-dimensional solid modeling of the machine.Secondly, kinematic analysis according to the form of the movement of the machine tool, to solve the tool rotation self orientation and rotation balance issue.Then I established the simple kinetic model of the spindle assembly, so using centralized quality analyse the transverse vibration. Using the computer simulation verified the accuracy of model.Finally, using the finite element analysed structure stress of the knife rest, and did modal analysis of the state of the clamping round steel. Structural design strength verify and hollow shaft assembly body and round steel whether resonance validation, are the machine in the structural design of the key consideration. Meanwhile, I optimized designed its quality in order to improve the quality of the rotation of the spindle, reducing the inertia.Key words: Peeling machine; Structural design; Kinematics and dynamics; Finite element analysis目录第 1 章绪论.............................................................................................................11.1 课题的研究目的和意义..................................................................................11.2 国内外研究现状 .....................