Siemens SINUMERIK 840Di Function Manual page 743

Application
In the case of helical interpolation FGROUP can be programmed to determine whether:
• The programmed feedrate should be valid on the path
• The programmed feedrate should be valid on the circuit
2.1.11 Axis configuration
The figure below shows the assignment between the geometry axes, special axes, channel
axes and machine axes as well as the names of the individual axis types. MD are used for
assignment.
Axis Types, Coordinate Systems, Frames (K2)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
(all 3 programmed axes are path axes)
(2 axes are path axes and the infeed axis is a synchronous axis)
Detailed Description
2.1 Axes
2-13