DA98A AC Servo Drive Unit
User Manual
ZM： gear teeth of lead screw side;
L： lead screw pitch mm.
Generally, S=I，so the instruction value is equal to the actual one.
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1. Max. instruction speed of CNC：
F：instruction speed mm/min;
Hz（128,000 for GSK980）.
V
max
： max. speed allowed by servo system, mm/min；
speed of CNC and servo
3. Min. moving amount of machine:
mm;
und-off;
max
60
f
CD
CRF
≤⋅
×
δ
f
max
： max. output frequency of CNC
2. Max. speed of servo unit：
L
DD
DR
nV ××=
max
max
n
max
： max. speed allowed by servo motor, r/min
The actual max. speed of machine is restrained by the max.
unit.
δ
L
ZM
ZD
STDDCD
⋅⋅
⎥
⎦
⎢
⎣
⎠⎝
1
min
α
DRCR
NINTINT ⋅
⎤⎡
⋅
⎟
⎞
⎜
⎛
⋅=
α： min. moving amount of machine
N： natural number;
INT（ ）： number ro
INT[ ]
min
： min. integer.
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