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美国作业代写:Material Selection in mechanical design

2017-11-02 来源: 51due教员组 类别: Paper范文

下面为大家整理一篇优秀的paper代写范文- Material Selection in mechanical design,供大家参考学习,这篇论文讨论了机械设计中材料的选择。机械设计所涉及的材料以及各种材料的合理运用,是保证机械设备质量的重要环节,这也是机械行业研究探索的重要内容。我们只有注重各种材料的合理选用,注重各个零件之间的性能运用的研究。机械设计才能有所提高,整个机械行业才能促使经济社会的持续发展。

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The rapid development of national economy at the same time, people's demand for mechanical design is more and more high. In the mechanical design, how to select and use to become the focus of people's current needs. In this paper, the selection and application of materials in mechanical design, from the practical type, load type and low energy consumption of the analysis, for the mechanical design of the rational selection and use of materials to provide reference.

With the development of economy, mechanical design and manufacturing have occupied a very important position in the whole national economy. The development of mechanical design and manufacturing industry has pushed forward the national economy to a great extent. In the mechanical design and manufacturing industry, mechanical design is the most basic and most important work. Therefore, the materials involved in mechanical design, as well as the rational use of a variety of materials are important to ensure the quality of machinery and equipment, for mechanical design materials selection and application is also an important part of the research and exploration of mechanical industry. Some researchers say: we only pay attention to the rational selection of various materials, pay attention to the performance of each part of the research. Mechanical design can be improved, the entire machinery industry can promote sustainable economic and social development.

In the history of China's industrial development, more and more machinery and equipment are widely used in industrial production. Mechanical equipment demand in the continuous growth, machinery industry is also expanding. In the rapid development of the machinery industry, the materials used in machinery and equipment have also experienced shortages. Material as the most basic part of mechanical equipment, the phenomenon of shortage of the machinery industry will not continue to develop, thus to a certain extent, hindered the development of our industry. In this case, the rational selection and rational use of mechanical materials is particularly important. In mechanical design, it is necessary to consider whether the selected material is of high practicability, and whether there is sufficient source for the selected material. Nowadays, some areas of China's environmental pollution have seriously affected people's health, and in mechanical design, material choice should take into account the characteristics of environmental protection, energy saving, recycling and so on. Therefore, the selection and application of mechanical design should be carried out in combination with the economic development trend and ecological environment. The mechanical design only continuously in the material selection and the application aspect carries on the exploration research, completes the reasonable material selection reasonable application work, can impel the machinery profession steady sustainable development.

In mechanical design, the practicality of the material will directly affect the quality of the mechanical equipment. Therefore, the selection of materials should be based on the practicality of the first choice of conditions. In the application of mechanical equipment, industrial production is the main content, the application of mechanical materials is also the industrial production as the index, further to the mechanical material processing or cutting. Therefore, in the selection of mechanical design, should be based on the scope of application of materials, the choice of practical and operable materials to meet the needs of industrial production. Secondly, different mechanical applications have different requirements for the hardness strength of the material, so it is necessary to meet the basic production requirements of the mechanical equipment at the same time.

As shown in Fig. 1, it is a kind of load-type mechanical material. It adopts advanced human-machine handling function, the material of all aluminum alloy makes the weight of materials lightweight. But the load level is very high. can easily complete the handling, lifts and other movements. In the process of mechanical equipment use, due to the insufficient load capacity of the material will cause the equipment to lose its due role. Even in the normal operation of machinery, some mechanical parts will also be due to the lack of material load in the case of failure. Therefore, whether the material has sufficient load level is important for the operation of mechanical equipment. According to the problem of material load level, we should make a quasi cut estimate of the load level of materials in the selection of mechanical design materials. The load level of the material should be tested before the material is applied. If the load level of the material passes the test, it can be applied in mechanical design.

China's industrial development is gradually expanding, industrial development needs a large number of machinery and equipment. Energy consumption through mechanical equipment is also enormous. Therefore, in order to promote the sustainable development of China's industry, in the mechanical design of materials, as far as possible to consider the use of low-energy materials. It is widely used in hotels, office buildings, shopping malls and other interior decoration. It is not only lightweight, good carrying capacity, environmental protection, but also has good fire performance, is a low energy consumption of the nonflammable plate. Low energy consumption materials can effectively reduce the consumption and production of pollution. Only in the mechanical design of a large number of use of low energy consumption materials, widely used in mechanical design, the machinery industry can continue to develop.

In the selection and application of mechanical materials, we should pay attention to all aspects of the problem in order to better input into industrial production. For example, focus on the selection of materials energy-saving environmental protection. Our country's economy is developing rapidly, and the energy and resources are being used in the development, and the ecological environment has been greatly affected. Therefore, in the mechanical design, the choice of materials should take fully into account the energy-saving environmental protection. Secondly, pay attention to the economic practicality of materials. Many materials meet high quality while the price is very expensive, or to meet the economic benefits while the quality is not guaranteed. Therefore, in the mechanical design, should try to choose the economic and practical coexistence of materials. In the mechanical design process, as far as possible reasonable control material cost. Save production cost during the process. The economy can be achieved while satisfying high quality. Also, in the mechanical design to carry out the requirements of scientific development. In the mechanical equipment to achieve the best operating capacity, but also need to have the characteristics of energy-saving and environmental protection. The maximum extent of the use of material potential, so that the machinery industry and ecological environment can achieve common development. The mechanical industry can only promote the good development of the ecological environment and the progress of our country's industry by keeping consistent with the scientific development view of our country.

With the development of modern science and technology and Economic Society, for the new era of machinery industry has a better demand, so only in the mechanical design should be analyzed in many aspects, reasonable material selection, to ensure the mechanical design of the standard standards, but also combined with the actual requirements of the development of the times, so that mechanical design embodies the economic, environmental protection, quality and other characteristics. Only in this way can we effectively promote the development of the machinery industry and promote the development of the national economy.

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