Detailed Description
2.1 Path feedrate F
Feeds (V1)
2-8 Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
The maximum permissible spindle speed set in G26 or in setting data:
SD43220 SPIND_MAX_VELO_G26 (maximum spindle speed)
cannot be exceeded.
In the event of incorrect programming that would cause one of the speed limits
(G26 or SPIND_MAX_VELO_G26) to be exceeded, the "Programmed speed too high"
interface signal (DBX83.1) is set.
In order to ensure smooth rotation with large part diameters, the spindle speed is not
permitted to fall below a minimum level.
This speed can be set in setting data:
SD43210 SPIND_MIN_VELO_G25 (minimum spindle speed)
and for each gear stage with machine data:
MD35140 GEAR_STEP_MIN_VELO_LIMIT
(minimum speed of gear stage).
The minimum spindle speed can be changed in the part program with G25. In the event of
incorrect programming that would mean one of the spindle limits (G25 or
SPIND_MAX_VELO_G25) is not reached, the "Set speed too low" interface signal
(DB31, ... DBX83.2) is set.
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Fig. 2-1 Spindle speed limitations
The various spindle speed limits are illustrated in the figure above. For more information
about this and the way in which setting data work, please see:
References:
/FB1/ Description of Functions, Basic Machine; Spindles (S1);
Chapter: Spindle Monitoring Functions, Setting Data
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