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Investigation of the effects of a novel milling tool for roughing and finishing operations.

研究新型铣刀对粗加工和精加工的影响。

基本信息

批准号：
281989189
负责人：
Professor Dr.-Ing. Berend Denkena
金额：
--
依托单位：
Institut für Fertigungstechnik und Werkzeugmaschinen (IFW)
依托单位国家：
德国
项目类别：
Research Grants
财政年份：
2015
资助国家：
德国
起止时间：
2014-12-31 至 2019-12-31
项目状态：
已结题

来源：
https://gepris.dfg.de/gepris/projekt/281989189?language=en
关键词：
Investigation effects novel milling tool

项目摘要

In this project, a new milling tool will be investigated, whose key feature is the varying design of the shape of the cutting flutes, which makes it suitable for roughing and finishing operations. The diametrically arranged cutting edges have the same micro geometry. Two flutes have sharp cutting edges, while the other two have a chamfer on the flank face. At the same time the flutes with thechamfered cutting edges are slightly recessed inwards in radial direction. This design enables the chamfered cutting edges to increase the process stability while the sharp cutting edges due to their protrusion in radial direction generate the final surface, and thus, a high surface quality is accomplished. In comparison to roughing end mills a better surface quality and in comparison tofinishing end mills a higher productivity can be achieved. The main objective of this project is to acquire a basic understanding of the interaction between simultaneously involved roughing and finishing cutting edges in terms of productivity and the achievable quality of the machined surface. The main targets are the achievable stability and surface quality. To achieve the main objective, these tools are manufactured, taking under account manufacturing tolerances and reproducibility, and then the resulting cutting forces, process stability and surface quality are examined experimentally and computationally. Finally, based on the gained knowledge, a process-optimized design of the tool will be developed.

在这个项目中，将研究一种新的铣刀，其主要特点是切削槽形状的变化设计，这使得它适用于粗加工和精加工操作。径向布置的切削刃具有相同的微观几何形状。两个凹槽具有锋利的切削刃，而另外两个在后刀面上具有倒角。同时，具有改变的切削刃的凹槽在径向方向上稍微向内凹进。这种设计使倒角的切削刃能够增加工艺稳定性，而锋利的切削刃由于其在径向方向上的突出而产生最终表面，因此实现了高表面质量。与粗加工端米尔斯相比，可以实现更好的表面质量，与精加工端米尔斯相比，可以实现更高的生产率。该项目的主要目的是获得一个基本的理解之间的相互作用，同时涉及粗加工和精加工切削刃的生产率和可实现的加工表面的质量。主要目标是可实现的稳定性和表面质量。为了实现主要目标，这些工具的制造，考虑到制造公差和再现性，然后产生的切削力，工艺稳定性和表面质量进行实验和计算检查。最后，基于所获得的知识，将开发工具的工艺优化设计。