Five-Axis Numerical Control Processing Application and Surface Quality Control of HyperMILL-Based Mobile Phone Mold Cavity
The mold cavity structure of mobile phones is one of the most typical complex surface structures. Specific to this type of product, this paper takes some typical product as an example, to conduct Hyper Mill-based analysis and computation for surface processing quality control problem in numerical control milling on the basis of the analysis of traditional mobile phone cavity processing. The description of five-axis processing and path as well as VERICUT simulation is explained with the final application verification. The result shows that the quality control formula of the processing surface is consistent with the actual situation, and the advantages of five-axis processing technology in the application of such types of products are clarified as well.
OPTIMAL ALGORITHM FOR NO TOOl- RETRACTIONS CONTOUR-PARALLEL OFFSET TOOL-PATH LINKING
一条轮廓平行偏移量(CPO ) 工具路径连接没有工具收回并且与最大的有实行可能，算法被导出。“在工具路径环(TPL ) 之中在父母 / 孩子关系上提供信息的工具路径环树(TPL 树) ”的概念被介绍。方向，工具路径环，叶 / 分支，层数字，和 TPL 树的相应的点被介绍。由把 TPL 定义为向量，并且由在整个树旅行，没有工具收回的一条 CPO 工具路径能被导出。
Side milling of ruled surfaces: Optimum positioning of the milling cutter and calculation of interference
Side milling is a process that enables machining time and thus costs, to be reduced. This type of machining is particularly well suited to ruled surfaces and all surfaces where one of the principal curvatures is very small compared to the tool radius and changes little over the entire surface. These surfaces must be treated with great care, as they are often on parts with high added value such as turbine blades, aircraft wings or helicoidal parts as used in fluid dynamics.We then need to calculate and minimise interference that may arise if the ruled surface cannot be developed. Whereas machining is usually carried out by setting the tool according to a rule, we suggest a new setting of the tool allowing interference to be reduced considerably. The computation algorithms for this setting were developed so as to be used in real-time by CAD/CAM software.A comparative study of errors made with each type of setting is also presented. This shows a considerable reduction in errors when the setting we suggest is implemented.