the combined machining system s242 combines the technologies of cylindrical grinding and hard turning in an ideal way. due to the design concept of the machine both applications can be done without compromises. in other w......the combined machining system s242 combines the technologies of cylindrical grinding and hard turning in an ideal way. due to the design concept of the machine both applications can be done without compromises. in other words a highly productive hard fine machining of shafts and chuck components to high quality, size holding capability and fine surface finishes in one clamping. and not only interesting for large production series but also for small batch sizes and even single parts.