2. Specifications
2
−
1
2. Specifications
2.1 AC spindle motor and drive unit specifications
Motor series
SJ-P Series
Spindle motor model
SJ-P0.2A
SJ-P0.4A
SJ-P0.75A
SJ-P1.5A SJ-P2.2A SJ-P3.7A
Specifications
Spindle drive unit
model
MDS-B-
SPJ2-02
MDS-B-
SPJ2-04
MDS-B-SPJ
2-075
MDS-B-SPJ
2-15
MDS-B-SPJ
2-22
MDS-B-SPJ
2-37
Rated
output
(kW)
0.1 0.15 0.3 0.55 1.1 1.5
Rated
torque
(Nm) 0.64
0.96 1.91
3.5
7.0
9.55
Continuous
characteristics
(Note 1)
(kgcm) 6.5
9.8 19.5 35.7 71.4 97.4
Rated
output
(kW) 0.2
0.4 0.75 1.5
2.2
3.7
Rated
torque
(Nm)
1.27 2.55 4.77 9.55 14.0 23.5
Short-time
characteristics
(10min)
(Note 1)
(kgcm) 13
26 48.7 97.4 143 240
Rated
speed
(r/min) 1500
Max.
speed
(r/min) 10000
8000
Frame
No.
A46F
B46F
A71F
B71F
A112F
B112F
Max.
torque
(Nm)
1.54 3.07 5.73 11.4 16.8 28.2
(kgcm) 15.6
31.4 58.5
117
171
288
Max.
current
(A) 2.5
5.0
6.5
11
14
23
Power
rate
(kW/sec)
2.8 3.0 4.0 5.8 7.5 9.1
J
(kgcm
2
)
1.5 3.0 9.0 21 65 100
Moment of
inertia
GD
2
(kgcm
2
) 6.0
12
36
84
260 400
Speed position encoder
Incremental encoder resolution 4096p/rev
Accessories
Thermal protector and oil seal provided
Structure
Fully enclosed self-cooling (IP54) Flange installation
Ambient temperature
0°C to 40°C
Weight
(kg) 4.5
6.5
10
20
25
35
Voltage, frequency
3-phase 200V to 230VAC 50/60Hz
Power
supply
Tolerable voltage
fluctuation
170V to 253V 50/60Hz
(Note 2)
Tolerable frequency
fluctuation
Within
±
5%
Power facility capacity
0.5
1.0
2.0
3.0
4.0
7.0
Control method
Sinusoidal PWM control, current control type vector control method
Braking method
Regenerative control (resistance electrical-discharge)
Speed control range
35 to 10000 (r/min)
Tolerable load moment of inertia
10-times or less of motor moment of inertia
Controller connection specifications
HDLC high-speed serial bus connection
Protective
functions
Overcurrent shut off, overvoltage shut off, overload shut off (thermal relay),
undervoltage protection, main circuit element overheat protection,
regenerative resistor overheat protection, overspeed protection,
excessive error protection, detector error protection
Ambient temperature
0°C to 55°C (with no freezing) Storage –20°C to 65°C
Ambient humidity
90%RH (with no dew condensation)
Environment
Atmosphere
No corrosive gases or dust
Altitude
1000m or less
Vibration
5.9m/S
2
(0.6G) or less
Outline dimensions H
×
W
×
D (mm)
168
×
54
×
135
168
×
70
×
135
168
×
90
×
195
Weight
(kg)
0.8
1.0
2.3
Note 1)
The rated output is guaranteed at the rated input voltage (200 to 230VAC). If the input voltage fluctuates and drops below
this value, the rated output may not be achieved.
Note 2)
When using a voltage not within the above specifications, prepare a power supply transformer.
Spindle motor
Spindle drive unit
