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4 Characteristics
MITSUBISHI CNC
4-3 Tool spindle motor
4-3-1 Environmental conditions
4-3-2 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 and thrust 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.
(Note 1) The tolerable radial load and thrust load in the above table are values applied when each motor is
used independently.
(Note 2) The symbol L in the table refers to the value of L below.
L: Length from flange installation surface to center of load mass [mm]
Environment Conditions
Ambient temperature 0°C to +40°C (with no freezing)
Ambient humidity 80% RH or less (with no dew condensation)
Storage temperature -15°C to +70°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
Tool spindle motor Tolerable radial load Tolerable thrust load
HF-KP46, 56 245N (L=30) 98N
HF-KP96 392N (L=40) 147N
HF75S, 105S 245N (L=33) 147N
HF54S, 104S, 154S, 224S, 123S, 223S 980N (L=55) 490N
HF204S, 303S 2058N (L=79) 980N
Radial load
Thrust load
L