Manufacturing of CVD diamond coated tools with high process stability

本研究项目的目标是制造工艺稳定性高的CVD金刚石涂层刀具。CVD金刚石涂层刀具寿命的影响因素一直是柏林工业大学机床与工厂管理研究所(IWF)基础研究项目的研究重点。前一个项目的结果表明，必须了解和优化硬质合金基材、前处理、刀具几何形状和涂层厚度的复杂交互作用，特别是基材和涂层的残余应力，才能产生高附着力。在这一转让项目中，将与三家合作伙伴公司实施基础研究成果，每一家公司专门从事生产过程的一个步骤。此外，还应将重点放在陶瓷工具和多层CVD金刚石涂层上，从而拓宽CVD金刚石涂层工具的范围。

The objective of this research project is the manufacturing of CVD diamond coated tools with high process stability. The influencing factors on the tool lifetimes of CVD diamond coated tools has been the research focus in a fundamental research project of the Institute for Machine Tools and Factory Management (IWF) of TU Berlin. The results of the preceding project showed that the complex interaction of cemented carbide substrate, pre-treatment, tool geometry and coating thickness as well as in particular the residual stresses of substrate and coating must be understood and optimized in order to produce a high coating adhesion. Within this transfer project, the fundamental research results obtained shall be implemented with three partner firms, each specialized in one step of the production process. Furthermore, the spectrum of CVD diamond coated tools shall be widened by focusing also on ceramic tools and Multi-Layer CVD diamond coatings.