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留学生作业代写:Optimization of machining process

2017-11-25 来源: 51due教员组 类别: Essay范文

下面为大家整理一篇优秀的essay代写范文- Optimization of machining process,供大家参考学习,这篇论文讨论了机械加工工艺优化。随着社会的快速发展,人们对机械加工的要求逐渐的提高,所以如今的机械加工工艺必须进行优化。所以人们对机械加工的原始误差进行控制,使得机械加工的精度得到一定的提高,从而使得机械加工的工艺得到优化。

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With the rapid development of society, the demand for machining has been gradually improved. Aimed at the high precision technology and realizes the Low-carbon production, this needs the mechanical processing system to carry on the unceasing optimization, the related technical personnel must take some plans to the mechanical processing craft to optimize. This article has carried on the thorough research to the machining process optimization demand, has carried on the thorough analysis to the centralized optimization plan.

In the process of mechanical processing, the process of its processes can be divided into the process of processing, processing of the two parts, the process of processing is in these processes for the specific parts of the standard and requirements. Machining of the relevant enterprises in the processing, the selected processing technology, according to the quality of the relevant salesman, equipment conditions, actual production conditions and other suitable for the selection process, how to choose the processing process will have the most direct impact on the accuracy of parts processing. On the current situation, the processing of parts will be affected by many aspects, such as: mechanical system of its own precision, operation of the process is not fine, positioning is not very accurate. In addition, through the use of a long time, the mechanical processing system position and shape may appear some changes, which caused the parts to appear a certain error. However, the machining process can make the accuracy of the parts improved, so that the production of parts can meet the standard requirements of production. At the same time, today's society people are advocating low-carbon environmental protection concept, mechanical processing nature has become the main body, and the mechanical processing technology can reduce the energy consumption, so that the relevant systems can meet the needs of the development of the Times.

When the original error of machining is controlled, the precision of machining can be improved and the process of machining is optimized. In view of the current situation, in order to control the error produced by machining, it is necessary to control the precision of the machine tool effectively, only in this way can the accuracy of the machine tool be improved. However, the errors caused by other factors need to be controlled by some schemes in the original process. In other words, the error of the compensation technology can be used in the process of parts processing errors produced. In the process of applying this technology, it is necessary to control the error artificially, so that the original error can be compensated or offset by each other when the machining is used, so that the error caused by the machining parts can be reduced. In the process of daily life, using this technology can make the original error effective differentiation, so that the accuracy of the parts surface can be improved.

In order to make the process route can be optimized efficiently, the corresponding model of machining optimization can be established on the premise of the deep analysis of mechanical parts. In other words, the characteristics of the parts to be produced in a more detailed analysis, in order to better understand the geometry of the parts. In the selection of the route, not only to consider the processing of parts features, but also to consider the processing process to be used in the processing methods and the resources used in processing and other issues. In order to establish a more effective optimization program to lay the foundation, first of all, to determine its technological route constraints of the conditions. In the processing of parts, there is a certain degree of constraint between the characteristics of the process. However, according to its compulsion, it can be divided into two kinds, the best constraint and the reasonable constraint. In the selection of the use of the route, it is necessary to find a more reasonable constraints, and then according to the selection of each route to carry out a corresponding evaluation, in order to be able to obtain a more suitable route. In determining the most reasonable route, it is necessary to establish the function of the optimized target of processing, and to select the relatively efficient process route of low carbon processing through calculation. In accordance with the specific optimization needs, the corresponding objective function is established, which is called the objective function and the efficient objective function. In this case, when establishing a Low-carbon target function, it is necessary to minimize the total emissions generated during the process of machining process, which includes cold processing and heat processing. However, the establishment of efficient objective function must take the shortest time of processing technology as the main target, which includes the time of changing the props, the time used in processing. In solving the model, it is necessary to use the genetic algorithm, mainly to make the computational difficulty of the model reduced.

In the process of actual machining, will encounter the problem of the selection of machining process schemes, in many processing process schemes to screen out the more effective process, which can not only make the production of the resources of the corresponding optimization and savings, but also can make the parts of the manufacturing time Shorten, It reduces the cost of manufacturing parts, which is also the optimization of the process. In order to achieve this goal, it is possible to analyze the factors that influence the process plan, establish the corresponding evaluation system through the analysis structure, and adopt the optimized process plan. When the system was first established, it was necessary to consider the synthesis of parts, such as: processing time, the quality of processing and the cost of processing, etc., but also to establish the corresponding optimization indicators. In the set of indicators, each other to have a certain connection. Be able to make the final choice in a contrasting way. Under such background, it is necessary to introduce very important index values to judge the indexes of each element, and finally realize the quantification of corresponding evaluation. However, the evaluation of the indicators, not only to include the unit and the dimension of the species, it will give the description of the index has brought some difficulties. Therefore, these quantitative indices and qualitative indices need to be computed separately. Finally, the weighted method is used to calculate the comprehensive numerical value of each index, which will get a comprehensive evaluation value of these indexes, and according to such evaluation structure, we can choose the best and most suitable processing scheme from many schemes of machining process.

In short, to make the parts conform to the corresponding processing accuracy and standards, we must choose some of the more optimized scheme. From the study of this article to analyze. It can be used to optimize the scheme of machining error compensation, the optimization scheme of low carbon high efficiency manufacturing technology, optimize the process plan, and then make the precision of the system processing improved. At the same time, low carbon and highly efficient manufacturing technology also enables the system to maintain a very efficient and low-carbon production.

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