Detailed Description
2.1 Path feedrate F
Feeds (V1)
2-16 Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
Alarms
Thread cutting G33, G34, G35
• The following alarms are output when programming is incorrect:
Alarm 10604 "Thread lead increase too high"
Alarm 10605 "Thread lead decrease too high"
Alarm 10607 "Thread with frame (ROT) cannot be executed"
Alarm 16005 "Illegal lift-off path"
Alarm 16710 "Master spindle not programmed"
Alarm 16720 "Thread lead is zero"
Alarm 16730 "Incorrect parameters"
Alarm 16740 "No geometry axis programmed"
• If the spindle speed is too high when G33, G34, G35 are active, e.g., spindle override set
to 200%, alarm 22270 "Spindle speed for thread cutting too high" is output.
Alarm 22270 is output when the rapid traverse speed of the thread axis is exceeded. It is
possible to reduce the spindle speed using the spindle override switch to prevent serious
alarms.
References:
/FB1/ Description of Functions, Basic Machine; Diagnostic Tools (D1);
Chapter: General Machine Data
/DA/ Diagnostics Guide
2.1.4.4 Stop for thread cutting
Stop for thread cutting
Note
The non-destructive interrupt function should only be used for thread cutting, not for tapping
with G33.
Retraction movement
The retraction motion (liftfast) for thread cutting is controlled by the following keywords:
• LFON
⇒ Enable liftfast for thread cutting.
• LFOF
⇒ Disable liftfast for thread cutting.
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