# Tool centre point and compensation motion

The kinematic transformation holds the tool centre point constant in relation to the surface when the tool is inclined. The CNC executes any necessary compensation motions automatically. The dynamic axis limits are taken into account.

The following applies to a tool that is not initially inclined:

tool length = laser length = tool distance

Distance control takes into account a reduction in the orthogonal distance of the tool head due to inclination. The capacitive sensor specifies the orthogonal distance of the tool head (tool clamping point) from the surface.

Depending on the tool head geometry and if the tool is inclined, another point may be closer to the workpiece instead of the tool clamping point. However, the PLC specifies the distance of the tool clamping point (laser exit) as the idealised sensor value.

Distance to the workpiece surface