# ID 120462

Feed axis transformation with selected axis group not possible.
Description | The restrictions must be taken into account for the definition of feed axis groups (#FGROUP) in connection with polynomial and circular motions. Regardless of the #FGROUP command, the following commands / functions always use the first two or three axes as path feed axes:

- Polynomial contouring, G61, G261

- Spline function, G151

- HSC function, #HSC[ON]

With circular motion G02, G03, either only circular axes (and helical axis) are feed axes or the other axes are feed axes.

For more information on feed groups,
[PROG// Section: Definition of feed axes].

Response | Class | 1 | None.
Solution | Class | 1 | Define feed axis group with the first two or three axes depending on axis configuration.
Error type | 1, Error message from NC program.