W4: Grinding-specific tool offset and tool monitoring
17.2 Online tool offset
Extended Functions
820 Function Manual, 03/2013, 6FC5397-1BP40-3BA1
Length 1 of tool for spindle 1 in channel 2 is modified as a function of X axis movement.
Note
The online tool offset for a (geometric) grinding tool that is not active can be activated by
specifying the appropriate spindle number.
If the channel number is omitted, the online offset is effective in the same channel.
If the spindle number is omitted, the online offset is applied to the current tool.
An online tool offset can also be called as a synchronized action.
References:
Function Manual, Synchronized Actions
17.2.3 Activate/deactivate online tool offset
Activation/deactivation of online tool offset
The following commands activate and deactivate the online tool offset in the machining
channel (grinding, destination channel):
FTOCON
Activation of online tool offset
The machining channel can process online tool offsets (
PUTFTOC) only if the
offset is active (
FTOCON). Alarm 20204 "PUTFTOC command not allowed" is
otherwise output.
FTOCOF
Deactivation of online tool offset
FTOCOF deactivates the online tool offset. The written values remain stored in the
appropriate length compensation data.
Online offsets are traversed in the basic coordinate system, i.e. even when the workpiece
coordinate system has been rotated, the length compensations always act in parallel to the
coordinates of the unrotated system.
The offset is applied regardless of whether or not the axis to be compensated is traversed in
the current block.
Note
Command
FTOCON must be written to the channel in which the offset is to be applied
(machining channel for grinding operation).
FTOCOF always corresponds to the reset position. PUTFTOC commands are effective only when
the part program and
FTOCON command are active.
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