使用应用程序包确定最佳切割模式

O. Bohdanov, V. Grigorenko
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引用次数: 0

摘要

目的。在机械加工过程中确定最佳切割模式时,应用程序包的功能比较。在一次钻井并进行计算时,建立具有技术限制的数学模型。的方法。研究方法基于切削工艺优化原理、切削理论和切削刀具、确定修正系数的标准方法,在产生工艺限制时使用。选择最小的机器加工时间作为目标函数。利用数学软件包Mathcad和“车削优化”程序的功能。发现。所建立的车削优化数学模型充分地描述了加工过程。两种方法的计算结果相差不超过10%。应用程序的功能足以确定切削模式的最佳参数-机器主轴和进给的转数。此外,在使用Mathcad包时,可以添加或删除技术约束。如果没有合适的修正因子数据库,搜索和计算过程会比较复杂。另一方面,“车削优化”程序工作在自动模式下,你只需要输入初始数据。但这是不可能改变的技术限制,刀具和零件的标准材料数量不足。的创意。建立并研究了具有相应工艺限制的轴向镗削孔道时切削方式优化的数学模型。在确定最佳切割模式时,对应用程序包进行了比较。定义了应用程序的优缺点。实际的实现。提出了车削过程中切削方式优化的数学模型,可以确定机床转数和进给的最优参数。它的使用将大大方便设计技术人员在设计加工零件的工艺路线和计算切削模式时进行计算。这将大大减少生产准备时间,特别是在使用数控机床时。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Using applied program packages in determining optimum cutting modes
Purpose. Comparison of the functionality of application program packages when determining optimal cutting modes during mechanical processing. Creation of a mathematical model with technological limitations when boring a shaft in one pass and carrying out calculations. The methods. Research methods were based on the principles of optimization of cutting processes, the theory of cutting and cutting tools, standard methods of determining correction factors were used when creating technological limitations. The smallest machine processing time is chosen as the objective function. Using the functionality of the mathematical package Mathcad and the "Turning optimization" program. Findings. The created mathematical model of turning optimization sufficiently fully describes the machining process. The difference between calculations by two methods is no more than 10%. The functionality of the application programs is enough to determine the optimal parameters of the cutting modes - the number of revolutions of the machine spindle and feed. In addition, when using the Mathcad package, it is possible to add or remove technological constraints. Without a suitable database of correction factors, the search and calculation process is complicated. On the other hand, the "Turning optimization" program works in automatic mode, you only need to enter the initial data. But it is impossible to change the technological limitations, the insufficient number of standard materials of cutting tools and parts. The originality. A mathematical model of optimization of cutting modes when boring a shaft to a pass with corresponding technological limitations was created and investigated. A comparison of application program packages was carried out when determining the optimal cutting modes. Advantages and disadvantages of application programs are defined. Practical implementation. The proposed mathematical model of optimization of cutting modes during turning allows to determine the optimal parameters of the number of revolutions and feed of the machine. Its use will greatly facilitate calculations carried out by designer-technologists when designing technological routes for processing parts and calculating cutting modes. This will significantly reduce production preparation time, especially when using CNC machines.
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