The INDEX Group is presenting the next stage of development in the field of turning on the TRAUB TNX220. With High Dynamic Turning 2.0, the company is presenting a process that redefines efficiency and precision in machining. Instead of using just one tool, four tools can work in parallel—controlled by an additional C-axis that precisely aligns the cutting angle. INDEX is thus setting standards for modern manufacturing processes.
The original High Dynamic Turning was introduced by Ceratizit and attracted attention in the industry. INDEX took up the principle, further developed it technically, and optimized it for the TRAUB TNX220. Machining is now no longer sequential, but rather a highly dynamic combination of several tools. This allows complex geometries such as ball pins or shafts to be completely manufactured in a single operation.
The additional C axis allows the cutting edge to be aligned orthogonally to the surface throughout the entire process. This means that even highly curved contours can be machined with maximum accuracy. At the trade fair, this will be demonstrated on a ball stud, whose surface is precisely controlled from rough machining to final smoothing.
A special highlight is a special tool developed in cooperation with Baublies. It gives components a mirror-like surface that goes beyond classic turning processes. In conjunction with the parallel-working HDT tools of the TNX220, a profile shape tolerance of only three micrometers is achieved—a result that impressively underscores the performance of INDEX technology.
INDEX plans to make High Dynamic Turning available for a wide range of machines. Holders with VDI25 and VDI30 interfaces as well as compact shanks for TRAUB machines are already in use. Further holders with VDI40 for universal turning machines and versions for multi-spindle automatic lathes are currently in development. The aim is to make the process usable across the entire production range.
With High Dynamic Turning 2.0 on the TRAUB TNX220, INDEX impressively demonstrates how turning processes can be made faster, more flexible, and more accurate. Four tools work in parallel, the C-axis ensures perfect guidance, and a special tool guarantees mirror-like surfaces. INDEX is thus opening up new possibilities for manufacturers who demand the highest precision and cost-effectiveness.