
B-64120EN/01 4.DESCRIPTION OF PARAMETERS
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3741 Maximum spindle speed for gear 1
3742 Maximum spindle speed for gear 2
3743 Maximum spindle speed for gear 3
Maximum spindle speed for gear 4
3744
(Note)
[Data type] Two-word
[Unit of data] min
-1
[Valid data range] 0 to 32767
Set the maximum spindle speed corresponding to each gear.
Spindle speed
command (S
command)
Spindle motor speed
Max. speed (4095, 10V)
Spindle motor max. clamp
speed (Parameter No.3736)
Spindle motor minimum clamp
speed (Parameter No.3735)
Gear 1
Max. speed
(Parameter
No.3741)
Gear 2
Max. speed
(Parameter
No.3742)
Gear 3
Max. speed
(Parameter
No.3743)
(Example for M series)
Fig.4.20 (b) Maximum Spindle Speed Corresponding to Gear 1/2/3
NOTE
If a type-T gear shift scheme is selected for the M
series (with the constant surface speed control
option installed or parameter GTT (bit 4 of
parameter No. 3706) = 1), parameter No. 3744 is
usable also in the M series.
Note, however, that, even in this case, only up to
three main gear stages are usable for rigid tapping.