Due to the production process, the effective spherical radius of a ball cutter deviates from the ideal form. The maximum form inaccuracy is defined by the tool manufacturer. Common deviations lie between 0.005 mm and 0.01 mm.
The form inaccuracy can be saved in the form of a compensation value table. This table contains angle values and the deviation from the nominal radius R2 measured on the respective angle value.
The 3D-ToolComp software (option 92) enables the control to compensate the value defined in the compensation value table depending on the actual contact point of the tool.
3D calibration of the touch probe can also be carried out with the 3D-ToolComp software option. During this process the deviations determined during touch probe calibration are saved to the compensation value table.