Feedrate Control and Spindle Motion
7.10 Spindle speed (S), direction of spindle rotation (M3, M4, M5)
Fundamentals
302 Programming Manual, 11/2006, 6FC5398-1BP10-2BA0
Constant feedrate on contour with CFC
UDWH
UDWH
UHGXFHG
LQFUHDVHG
The feedrate is reduced for inside radii and increased for outside radii. This ensures a
constant speed at the tool edge and thus at the contour.
7.10 Spindle speed (S), direction of spindle rotation (M3, M4, M5)
Function
The functions described are used to
• switch the spindle on
• specify the required direction of spindle rotation, and
• define the counterspindle or an actuated tool as the master spindle, e.g., on turning
machines.
The following programming commands are valid for the master spindle: G95, G96/G961,
G97/G971, G33, G331 (see also Chapter "Main spindle, master spindle").
Machine manufacturer
Definition as master spindle is also possible via machine data (default).