Research on Computer Aided Cutting Tool Selection for Numerical Control of Mould Cavity
Abstract
In order to improve the machining accuracy and surface quality of the mould cavity parts, maximize the working life and economic effect of the mould cavity parts, reduce the difficulty of machining and improve the machining efficiency, this paper studies the selection method of cutting tools used in numerical control processing of mould cavity parts. By comparing and analysing the import and export parameters of cutting tools and machining requirements, this paper introduces the theoretical basis and research method of cutting tool selection, and finally puts forward the computer aided cutting tool selection scheme.
1 Introduction
The development of machining technology into the era of numerically controlled technology is the development direction of machining technology. In the rapidly developing numerical control technology, the process of numerical control machining of mould cavity has great advantages and has been widely used. It requires the selection of appropriate cutting tools for numerical control machining of mould cavity. The cutting tool selection is very important for the machining of the mould cavity, which directly affects the surface quality, accuracy and service life of the parts. The research of cutting tool selection methods can reduce the difficulty of machining and improve the machining efficiency.
2 Cutting tool selection basis
The selection basis of cutting tool is to ensure that the cutting process is reasonable and economical. Reasonable selection of cutting parameters, cutting tools and auxiliary equipments can ensure that the cutting process is stable and the machining accuracy is achieved.
2.1 Cutting parameters
The selection of cutting parameters mainly includes cutting speed and feed, and the cutting parameters are not the same for different cutting tools. The selection of cutting parameters to meet the machining requirements has a directly proportional relationship with the cutting tool. Improper selection of cutting parameters will not only reduce the surface quality and accuracy of the machining parts, but also increase the wear of the cutting tool.
2.2 Cutting tool performance
The tool performance of the cutting tool includes safety and performance. The safety performance includes tool strength and flexibility; the performance includes cutting efficiency, surface finish and geometric shape accuracy. Therefore, it is necessary to select the cutting tools that meet the performance requirements defined by process planning according to the machining requirements of the mould cavity parts.
3 Research on selection method of cutting tools
The selection method of cutting tools is the first step in the processing of mould cavity. According to the machining requirements of mould cavity, the cutting parameters and tool performance are determined, and then the appropriate cutting tools are selected.
3.1 Method of performance evaluation
The performance evaluation method of cutting tools is to make a comparative analysis of the machining requirements and the performance parameters of cutting tools, make a comparison of the machining requirements and the performance parameters of cutting tools, and select the cutting tools with good performance according to the process requirements.
3.2 Method of parameter comparison
The parameter comparison method is an empirical method of tool selection. It compares the cutting parameters of the same part of different cutting tools, such as the cutting speed, feed, cutting depth and nose radius, etc., and selects the cutting tool with good performance.
4 Computer aided cutting tool selection scheme
With the development of modern science and technology, cutting tool selection technology has also developed rapidly. Computer aided cutting tool selection is a recent development of cutting tool selection method. It is an effective way to select cutting tools. Through the combination of numerical control with cutting tool selection technology, the selection of cutting tools can be more accurate, and the characteristics of cutting tools can be timely updated.
5 Conclusions
The selection of cutting tools is very important for the machining of mould cavity. By comparing and analysing the import and export parameters of cutting tools and machining requirements, this paper introduces the theoretical basis and research method of cutting tool selection, and finally puts forward the computer aided cutting tool selection scheme. The research on cutting tool selection not only improves the machining accuracy and surface quality of components, but also reduces the difficulty of machining and improves the machining efficiency.
