
B-65150E/04 3. α SERIES PARAMETER ADJUSTMENT
− 61 −
Fig. 3.4.1 (c) Level-up HRV control adjustment
Table 3.4.1 Standard parameters for using level-up HRV control
(for machining centers with a relatively high rigidity)
Standard parameter
Item
Series 16 Series 15 Setting
Switchable
between cutting
feed and rapid
traverse
1) Level-up HRV control No. 2004
No. 2040
No. 2041
No. 1809
No. 1852
No. 1853
00000011 (current loop: 125 µs)
(Standard value) × 0.8
(Standard value) ×1.6
2) Vibration suppression
filter
No. 2113
No. 2177
No. 1706
No. 2620
Center frequency of vibration
30 (NOTE: Vibration suppression filter
adjustment requires a relatively long
time. Without this filter, level-up HRV
control can be achieved to some extent.)
3) Velocity loop
proportional high-
speed processing
function
No. 2017, B7
No. 2021
No. 1959, B7
No. 1875
1 (Enables this function.)
Approx. 1500 to 2000 (Servo adjustment
screen velocity gain: 700% to 900%)
4) Fine acceleration/
deceleration function
No. 2007, B6
No. 2209, B2
No. 2109
No. 1951, B6
No. 1749, B2
No. 1702
1 (Enables fine acceleration/
deceleration.)
1 (The fine acceleration/deceleration
time constant is of linear type.)
16 (Fine acceleration/deceleration time
constant)
5) Advanced preview
feed-forward
No. 2005, B1
No. 2092
No. 2069
No. 1883, B1
No. 1985
No. 1962
1 (Enables feed-forward.)
9700 to 9900 (Advanced preview feed-
forward coefficient)
Approx. 100 (Velocity feed-forward
coefficient)
6) Position gain No. 1825 No. 1825 8000 to 10000 (Set about 5000 at first.)
The setting of a function marked with in the column of "Switchable
between cutting feed and rapid traverse" in Table 3.4.1 can be switched
between cutting feed and rapid traverse. (See Subsec. 3.4.2, "Cutting
Feed/Rapid Traverse Switchable Function.")
+
Fine
acceleration/
deceleration
(*4)
Command
from the
NC
Position
gain(*6)
High-
speed
velocity
loop(*3)
Feed-
forward(*5)
Vibration
suppression
filter(*2)
Level-up HRV
control(*1)
+