
2.SPECIFICATIONS FANUC AC SPINDLE MOTOR αiT SERIES B-65272EN/04
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Model
Item
α
αα
α1.5/15000iT α
αα
α2/15000iT α
αα
α3/12000iT
(S1)Cont. rated kW
(HP)
1.5
(2.0)
2.2
(3.0)
3.7
(5.0)
(S2)30 min rated kW
[15 min](*2)(HP)
2.2
(3.0)
3.7
(5.0)
5.5
(7.4)
Output
(*1)
(S3)60%[40%]kW
(*3) (*4) (HP)
2.2
(3.0)
3.7
(5.0)
5.5
(7.4)
(S1) A 28 41 36
Rated
current
(*5)
(S2),(S3) A 33 53 46
Speed Base speed 3,000 3,000 1,500
min
-1
Max. speed 15,000 15,000 12,000
Cont. rated torque at const.
rated torque range
N⋅m
(kgf⋅cm)
4.77
(48.7)
7.0
(71.5)
23.5
(240)
Rotor
inertia
kg⋅m
2
(kgf⋅cm⋅s
2
)
0.0043
(0.04)
0.0078
(0.08)
0.0148
(0.15)
Weight kgf 24 27 46
Vibration V3 (rotation component)
Noise 75dB(A) or less
Cooling system (*6) Totally enclosed and fan cooled (IC0A6)
Cooling fan W 17
Installation (*7)
Mount the motor so that the output shaft points in a direction ranging within the
horizontally to vertically downwards. (IMB5,IMV1)
Allowable overload capacity
(1 min) (*8)
120% of (S2)
Insulation Class H
Ambient temperature 0°C to 40°C
Altitude Height above sea level not exceeding 1000m
Painting color Munsell system N2.5
Type of thermal protection (*9) TP211
Resolution of the
built-in sensor p/rev
Built-in with MZi sensor
2048
Number of detected gear teeth
per rotation λ/rev.
128
Bearing lubrication Grease
Shaft end seal, protection
format (IEC34)
Simplified labyrinth: IP40
Method of connection with the
spindle (*10)
To be directly connected with the spindle
Allowable thrust load (*11)kgf 6
Maximum output during
acceleration (*12) kW
13.0 20.0 13.0
Applicable spindle amplifier
module
SPM-15i SPM-22i SPM-11i
* See Page 162 for Cautions and limitations.