
B-65272EN/04 FANUC AC SPINDLE MOTOR αiT SERIES 2.SPECIFICATIONS
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Model
Item
α
αα
α15/12000iT α
αα
α22/10000iT
Connection (*13)
Low-speed winding
(Y connection)
High-speed winding
(Y connection)
Low-speed winding
(Y connection)
High-speed winding
(∆ connection)
(S1)Cont. rated kW
(HP)
15
(20.1)
15
(20.1)
22
(29.5)
22
(29.5)
(S2)30 min rated kW
(HP)
18.5
(24.8)
18.5
(24.8)
26
(34.9)
26
(34.9)
(S2) 15 min rated kW
(HP)
22
(29.5)
22
(29.5)
--
Output
(*1)
(S3)40% kW
(*3)(*4) (HP)
--
26
(34.9)
26
(34.9)
(S1) A 76 86 100 101
Rated
current
(*5)
(S2),(S3) A 104 108 111 112
Speed Base speed 1,400 5,000 1,500 4,000
min
-1
Max. speed 4,000 12,000 10,000 10,000
Switching speed
min
-1
3,500 4,000
Cont. rated torque at const. rated
torque range
N⋅m
(kgf⋅cm)
102.2
(1043.3)
28.6
(292.1)
140
(1428)
52.5
(536)
Rotor inertia
kg⋅m
2
(kgf⋅cm⋅s
2
)
0.055
(0.56)
0.128
(1.29)
Weight kgf 121 143
Vibration V3 (rotation component)
Noise 75dB(A) or less
Cooling system (*6) Totally enclosed and fan cooled (IC0A6)
Cooling fan W 56
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
4096
Number of detected gear teeth per
rotation λ/rev.
256
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 13
Maximum output during
acceleration (*12) kW
38 31.2
Applicable spindle amplifier
module
SPM-30i SPM-26i
* See Page 162 for Cautions and limitations.