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MDS-D-SVJ3/SPJ3 Series Specifications Manual
2-2 Spindle motor
2 - 7
2-2 Spindle motor
2-2-1 Specifications
< SJ-D Series (Standard) >
(Note) The tolerable radial load is the value calculated at the center of output shaft.
Spindle motor type SJ-D3.7/100-01 SJ-D5.5/100-01 SJ-D7.5/100-01 SJ-D11/80-01
Compatible
spindle drive
unit type
MDS-D-SPJ3- 37NA 55NA 75NA 110NA
Output
capacity
Continuous rating [kW] 2.2 3.7 5.5 7.5
Short time rating [kW]
3.7
(15-minute rating)
5.5
(30-minute rating)
7.5
(30-minute rating)
11
(30-minute rating)
Power facility capacity [kVA] 6.7 9.9 13.4 19.6
Base rotation speed [r/min] 1500 1500 1500 1500
Maximum rotation speed [r/min] 10000 10000 10000 8000
Frame No. B90 D90 A112 B112
Continuous rated torque [N•m] 14.0 23.6 35.0 47.7
GD
2
[kg•m
2
]
0.030 0.053 0.094 0.122
Inertia [kg•m
2
]
0.0074 0.013 0.023 0.031
Tolerable radial load [N] 980 1470 1960 1960
Cooling fan
Input voltage 3-phase 200V
Maximum power
consumption
38W 38W 50W 50W
Environment
Ambient temperature
Operation: 0 to 40℃ (with no freezing), Storage: -20 ℃ to 65 ℃ (with no freezing)
Ambient humidity Operation: 90%RH or less (with no dew condensation), Storage: 90%RH or less (with no dew condensation)
Atmosphere Indoors (no direct sunlight); no corrosive gas, inflammable gas, oil mist, or dust
Altitude
Operation: 1000 meters or less above sea level, Storage: 1000 meters or less above sea level,
Transportation: 10000 meters or less above sea level
Degree of protection IP54 (The shaft-through portion is excluded.)
Flange size [mm] 174 SQ. 174 SQ. 204 SQ. 204 SQ.
Total length (excluding shaft) [mm] 327 417 439 489
Flange fitting diameter [mm] φ150 φ150 φ180 φ180
Shaft diameter [mm] φ28 φ28 φ32 φ48
Mass [kg] 26 39 53 64
Heat-resistant class Class F (155°C)
For outline dimension drawings, refer to "DRIVE SYSTEM DATA BOOK" (IB-1500273(ENG)).