Mitsubishi Electric MELSERVO HF-MP Instruction Manual page 65

5. CALCULATION METHODS FOR DESIGNING
(9) Continuous effective load torque
2
T t
psa
Ma
Trms
The continuous effective load torque must be lower than the servo motor's rated torque.
(10) Torque pattern
1.56
[N m]
0.23
0.05
1.10
(11) Selection results
The HF-KP23 servo motor and MR-J3-20A servo amplifier are selected.
(a) Electronic gear setting
CMX 32768
CDV 125
(b) During rapid feed
Servo motor speed
(c) Acceleration/deceleration time constant
t t 0.05[s]
psa psd
2 2
T tc T t
psd
L Md
tf
0.75 0.05
1.5
N 3000 [r/min]
0
0.38[N m]
Time [s]
0.15
5 - 14