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1、1Community college summer internship report (Machine Tool Plant)Write papers Net: reading a three-year university, but most peoples understanding of the profession is not enough, the end of the sophomore college who have given us two weeks of the student organization, but because the knowledge is no
2、t involved in the professional knowledge more, see things very difficult to link with the profession, so the master of the profession is not very satisfactory. This summer, the college in order to make us understand the mechanical and electrical products, equipment, improve the understanding of elec
3、trical and mechanical manufacturing technology to enhance mechanical and electrical applications in various fields of industry perceptions, broaden their horizons, and technical information about related equipment, are familiar with typical machining process, specially arranged for us to have more o
4、f several types of electromechanical equipment, production technology to produce more advanced plant operating practice. A period of 23 days 2of production practice, we have been common machine tool plant in Hangzhou, Hangzhou confidential machining factory, Shanghai valve processing plant, Hangzhou
5、, Shanghai Volkswagen plant and engine plant and other large factories, to understand the production of these plants, and the For a variety of professional knowledge, the work of the factory workers, etc. The first to experience the knowledge and practical application, the application of the sensor
6、in air conditioning equipment, and electronic technology in the machinery manufacturing industry applications, and precision machinery manufacturing In the application of the machine, so the combination of theory and practice, an eye-opener for us, but also on previous knowledge of a preliminary exa
7、mination by the production practice, to further consolidate and deepen the theoretical knowledge, to make up for past lack of a single theory of teaching, learning and graduation for the following specialized courses designed to lay the foundation. General Machine Tool Plant in Hangzhou July 3, the
8、first stop we came to practice, under the Hangzhou Hangzhou Machine Tool Group General Machine Tool 3Plant The plant mainly produces the M-class grinder 7130H, 7132H, is currently one of the larger machine tool manufacturer in practice, we first heard about the internship process a series of securit
9、y issues and the need to pay attention to the project, internship in mechanical engineering, security is always placed in the first place and then a general introduction by the plant designer. rough understanding of the types of products and plant factories profiles. has allowed us to understand the
10、 purpose and practice in the plants key practice. In the next end of time, we pass three successive groups of machines in the workshop, plane production workshop and machine shop practice in the workshop through the machine, the workshop leader took us to visit their production assembly line, and we
11、 explain in detail the major components of the surface grinding process and the whole assembly process of power-driven hydraulic system problems and a series of internal structure, I should be most interested in the surface grinding machine hydraulic system is divided into oil bodies, executive agen
12、cies , supporting institutions and control agencies from a different point of view, the hydraulic 4system can be divided into different forms. by fluid circulation method, the hydraulic system can be divided into open and closed systems. Open system is a hydraulic pump oil from the tank, the oil thr
13、ough a variety of control valve, hydraulic actuator drive back to the oil tank and then back through the valve. This relatively simple system structure, the heat can play a tank, the role of precipitation of impurities , but the oil often in contact with air, the air easily into the system, leading
14、to consequences such as body movement is not smooth. Large open-system tank, pump self-priming performance. Closed system, the hydraulic pump into the tubing directly to the return pipe connected to the actuator, the working fluid in the system for closed loop of piping in its compact structure, in
15、contact with air fewer opportunities, the air is not easy to penetrate the system, it is more stable transmission, but a more open system, closed system complexity, due to no fuel tank, oil cooling and filtering conditions poor. To compensate for the leakage of the system, usually a small flow of th
16、e charge pump and the fuel tank due to closed system in technical requirements and cost is relatively high, taking 5into account economic issues, so the surface grinder to start the system, plus a shock-absorbing device to balance the system almost all of modern construction machinery with a hydraulic system, and with electronic systems, computer-controlled technologies, to become an important component of modern construction machinery parts, how to design a go
