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MDS-D-SVJ3/SPJ3 Series Specifications Manual
4-2 Spindle motor
4-2 Spindle motor
4-2-1 Environmental conditions
4-2-2 Shaft characteristics
There is a limit to the load that can be applied on the motor shaft. Make sure that the load applied on the
radial direction, when mounted on the machine, is below the tolerable values given below. These loads may
affect the motor output torque, so consider them when designing the machine.
Environment Conditions
Ambient temperature 0°C to +40°C (with no freezing)
Ambient humidity 90% RH or less (with no dew condensation)
Storage temperature -20°C to +65°C(with no freezing)
Storage humidity 90% RH or less (with no dew condensation)
Atmosphere
Indoors (no direct sunlight);
no corrosive gas, inflammable gas, oil mist or dust
Altitude
Operation/storage: 1000m or less above sea level
Transportation: 10000m or less above sea level
Spindle motor Tolerable radial load
SJ-VL2.2ZT 196N
SJ-VL11-10FZT 245N
SJ-VL0.75-01T, SJ-VL1.5-01T 490N
SJ-D3.7/100-01, SJ-DJ5.5/100-01
SJ-V2.2-01T, SJ-V3.7-01T, SJ-V5.5-01ZT, SJ-V7.5-01ZT, SJ-V7.5-03ZT,
SJ-VL11-05FZT-S01, SJ-VL11-07ZT,
980N
SJ-D5.5/100-01, SJ-DJ7.5/100-01 1470N
SJ-D7.5/100-01, SJ-D11/80-01, SJ-DJ11/100-01
SJ-V11-01ZT
1960N
Consider on the machine side so that the thrust loads are not applied to the spindle motor.
Radial load
(Note) The load point is at the one-half of the shaft length.
CAUTION