
B–64113EN–1/01
9. SPINDLE SPEED FUNCTION
618
For rigid tapping adjustment, the diagnosis screen displays information
related to rigid tapping.
For part of the display data, the user can choose between two sets of data
items relating to the synchronization of the spindle and tapping axis by
setting bit 0 (DGN) of parameter No. 5204.
The following information items are always displayed, regardless of the
setting of bit 0 (DGN) of parameter No. 5204:
· Spindle position deviation → Diagnosis No. 450
· Number of command pulses distributed to the spindle
(momentary value) → Diagnosis No. 451
· Cumulative number of command pulses distributed to the spindle
→ Diagnosis No. 454
When bit 0 (DGN) of parameter No. 5204 is set to 0, the following items
of information are displayed.
(Diagnosis Nos. 452 and 453 are not displayed.)
· Spindle–converted move command difference → Diagnosis No. 455
· Spindle–converted position deviation difference → Diagnosis No. 456
· Synchronization error range → Diagnosis No. 457
Spindle–converted move command difference
Σ
spindle move command (tapping axis move command) 4096
gear ratio thread lead
= Σ
Spindle–converted position deviation difference
spindle position deviation (tapping axis position deviation) 4096
=
gear ratio
thread lead
Synchronization error range
= (maximum spindle–converted move position deviation difference on
the positive side)
– (maximum spindle–converted position deviation difference on the
negative side)
If a maximum allowable synchronization error range is set in parameter
No. 5214, the position deviation alarm during spindle movement (alarm
No. 741) is issued to indicate that the set synchronization error range has
been exceeded. (If 0 is set in parameter No. 5214, no check is performed
to detect whether the synchronization error range has been exceeded.)
When bit 0 (DGN) of parameter No. 5204 is set to 1, the following items
of information are displayed. (Diagnosis Nos. 455, 456, and 457 are not
displayed.)
⋅ Momentary error difference between the spindle and tapping axis
→ Diagnosis No. 452
⋅ Maximum error difference between the spindle and tapping axis
→ Diagnosis No. 453
9.10.4
Display Data on the
Diagnosis Screen
D Common display data
D Display of rigid tapping
synchronization error
(When DGN = 0)
D Rigid tapping error
display
(error difference display)
(When DGN = 1)