異形螺桿車床數(shù)控系統(tǒng)的研究
[Abstract]:Screw is an important industrial component. It is widely used in many fields, such as petroleum, refrigeration, rubber and plastics, medicine and so on. Because of the different operating environment and function, the shape and size of the screw are different, and many kinds of complex shaped screw are formed. The shape of special-shaped screw is variable lead, groove depth, screw width, bottom diameter and screw thread angle, etc. It can be one of them or a variety of combinations. With the continuous expansion of the field of use of the helical curved screw, the purpose of using the special-shaped screw is very different, and the forming mechanism of the helical surface is different, and its profile is also varied, which makes it very difficult to process the special-shaped screw. Especially in improving the production efficiency and quality of special-shaped screw. At present, the whole production technology of most screw processing enterprises in China is backward, the cutting state of special-shaped screw is unstable in the actual machining process, the tool wear is serious, the machining cost is high, and the surface precision is far from the requirement. In view of the deficiency of the existing processing technology and method of special-shaped screw, this paper designs an open lathe NC system specially for special-shaped screw machining on the basis of studying the shape characteristic, mathematical model and NC machining principle of special-shaped screw. The hardware of the system is based on the industrial control computer (IPC) and the GTS motion controller is the core. The system structure of the IPC GTS motion controller is established, and the reasonable allocation of resources is realized. The parameter input and interpolation calculation of the special-shaped screw can be completed. Program decoding interpretation, servo control, system management and other tasks. The system software adopts the object-oriented and modular programming technology, and develops the man-machine interactive interface under the Visual Studio 2012 programming environment. The software and hardware functions of the whole system are divided into modules and several kinds of special-shaped screw with different profiles can be manufactured. The experimental results show that the geometric parameters of the special-shaped screw have achieved the expected results, and have good processing efficiency and surface quality, and have certain practical value.
【學(xué)位授予單位】:河南科技大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2017
【分類號(hào)】:TG519.1
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