| TNC 128 | |
| Axes | 3 axes + spindle Optional 4th and 5th axis (with noncontrolled spindle) |
| Program entry | HEIDENHAIN conversational |
| Program memory | 300 MB |
| Position entry | s Positions in Cartesian or polar coordinates s Incremental or absolute dimensions s Display and entry in mm or inches |
| Input resolution and display step | Down to 0.1 μm or 0.000 1° |
| Block processing time | 6 ms |