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    GE Fanuc AutomationComputer Numerical Control ProductsAlpha i Series AC Spindle MotorDescriptions ManualGFZ-65272EN/01July 2001

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    GFL-001Warnings, Cautions, and Notesas Used in this PublicationWarningWarning notices are used in this publication to emphasize that hazardous voltages, currents,temperatures, or other conditions that could cause personal injury exist in this equipment or maybe associated with its use.In situatio...

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    GE Fanuc AutomationComputer Numerical Control ProductsAC Spindle Motor αα i SeriesDescriptionsGFZ-65272EN/01July 2001

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    B-65272EN/01 SAFETY PRECAUTIONSs-1SAFETY PRECAUTIONSThis "Safety Precautions" section describes the precautions whichmust be observed to ensure safety when using FANUC ser...

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    SAFETY PRECAUTIONS B-65272EN/01s-21.1 DEFINITION OF WARNING, CAUTION, AND NOTEThis manual includes safety precautions for protecting the user andpreventing damage to the machine. Pr...

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    B-65272EN/01 SAFETY PRECAUTIONSs-31.2 WARNING WARNING - Be safely dressed when handling a motor.Wear safety shoes or gloves when handling a motor as you may gethurt on any edge or p...

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    SAFETY PRECAUTIONS B-65272EN/01s-4 WARNING - Do not supply the power to the motor while any terminal is exposed.A failure to observe this caution is very dangerous because you mayge...

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    B-65272EN/01 SAFETY PRECAUTIONSs-51.3 CAUTION CAUTION - FANUC motors are designed for use with machines. Do not use them for any otherpurpose.If a FANUC motor is used for an uninten...

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    SAFETY PRECAUTIONS B-65272EN/01s-61.4 NOTENOTE - Do not step or sit on a motor.If you step or sit on a motor, it may get deformed or broken. Do notput a motor on another unless they...

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    B-65272EN/01 SAFETY PRECAUTIONSs-7NOTE - Do not apply a commercial power source voltage directly to a motor.Applying a commercial power source voltage directly to a motor mayresult ...

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    B-65272EN/01 TABLE OF CONTENTSc - 1TABLE OF CONTENTSSAFETY PRECAUTIONS ......................................................................... s-1I. DESCRIPTIONS FOR THE αi SERIES...

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    TABLE OF CONTENTS B-65272EN/01c - 23.13MODEL α1.5/15000i....................................................................................513.14MODEL α2/15000i...............................................

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    B-65272EN/01 TABLE OF CONTENTSc - 37.21MODEL α18/7000i (FOOT MOUNTING TYPE)...........................................897.22MODELS α22/7000i AND α22/10000i (FLANGE MOUNTING TYPE) ...

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    TABLE OF CONTENTS B-65272EN/01c - 47.9MODELS αP30/6000i AND αP40/6000i (FRANGE MOUNTING TYPE) ...1297.10MODELS αP30/6000i AND αP40/6000i (FOOT MOUNTING TYPE)........1307.11MODEL αP50/6000i (FRANGE MOUNT...

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    B-65272EN/01 TABLE OF CONTENTSc - 57.4MODEL αT6/12000i...................................................................................1687.5MODEL αT8/12000i AND αT8/15000i........

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    I. DESCRIPTIONS FOR THE ααααi SERIES

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    B-65272EN/01 SPECIFICATIONS FOR THE αi SERIES 1.GENERAL- 3 -1 GENERALAs motors for driving the spindle of a CNC machine tool, the FANUCAC Spindle Motor αi series has incorporated accumulatedtechnologies and employs the latest...

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    1.GENERAL SPECIFICATIONS FOR THE αi SERIES B-65272EN/01- 4 -Features of ααααi - Higher speed - Increased rated output range by employing winding switching(kW)400012000150007.580003.7kWα6/12000i(Low-speed winding)Motor spe...

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    B-65272EN/01 SPECIFICATIONS FOR THE αi SERIES 2.CONFIGURATION OF THE αi series- 5 -2 CONFIGURATION OF THE ααααi seriesThe FANUC AC Spindle Motor αi series consists of the series listedbelow with their features.FeatureSeriesRatedoutputFeatureExample ofapplicable machineαi0.5...

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    3.MOTOR TYPES SPECIFICATIONS FOR THE αi SERIES B-65272EN/01- 6 -3 MOTOR TYPESEach model includes the types of motors listed below, and the usercan make an optimal choice according to the spindle driving structure.See the ordering list (B...

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    B-65272EN/01 SPECIFICATIONS FOR THE αi SERIES 4.NOTES ON INSTALLATION- 7 -4 NOTES ON INSTALLATION

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    4.NOTES ON INSTALLATION SPECIFICATIONS FOR THE αi SERIES B-65272EN/01- 8 -4.1 CommonBe sure to observe the following, regardless of the connection methodof the motor: WARNINGWhen connecting a metallic conduit to a plastic terminal box, connectthe conduit to groun...

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    B-65272EN/01 SPECIFICATIONS FOR THE αi SERIES 4.NOTES ON INSTALLATION- 9 -3Use the eyebolt of the motor to lift only a single motor, (gear andpulley may be attached).4Place a cover over an air-cooled motor to prevent the motor frombeing exposed to coolant or lubr...

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    4.NOTES ON INSTALLATION SPECIFICATIONS FOR THE αi SERIES B-65272EN/01- 10 -6Dynamic balanceDuring high-speed operation, a small imbalance may cause alarge vibration, resulting in an unusual sound, premature bearingdamage, or some other abnormality.Therefore, redu...

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    B-65272EN/01 SPECIFICATIONS FOR THE αi SERIES 4.NOTES ON INSTALLATION- 11 -7Output shaft sealTo prevent cutting lubricant or dust from penetrating inside themotor, one of the following output shaft seals is provided on theoutput shaft. (For the use and applicable...

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    4.NOTES ON INSTALLATION SPECIFICATIONS FOR THE αi SERIES B-65272EN/01- 12 -8The lid of the terminal box is provided with rubber gasket tomake it waterproof.Check that the lid has this gasket, then mount it on the terminalbox.9The edge of the fauset joint to mount...

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    B-65272EN/01 SPECIFICATIONS FOR THE αi SERIES 4.NOTES ON INSTALLATION- 13 -11 If much oil mist, dust, or other foreign matter settles on themotor, the cooling performance is degraded, resulting indegraded performance of the motor. Design the machine suchthat only...

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    4.NOTES ON INSTALLATION SPECIFICATIONS FOR THE αi SERIES B-65272EN/01- 14 -NOTE1A foot mounting type motor has no oil seal. When an oil seal isrequired, add #0002 to the drawing number of the motor. An oilseal cannot be attached to any high-speed model, however. ...

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    B-65272EN/01 SPECIFICATIONS FOR THE αi SERIES 4.NOTES ON INSTALLATION- 15 -3Cable wiringFollow the procedure below to install the cable.(1) Use a hammer to strike the portion for the cable hole on theterminal box and open the hole.This time, pay attention not to ...

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    4.NOTES ON INSTALLATION SPECIFICATIONS FOR THE αi SERIES B-65272EN/01- 16 -4.2 WHEN A MOTOR IS CONNECTED TO A SPINDLE VIA ABELT CAUTION1Mounting the pulley -The gap between the inner surface of the motor pulley andoutput shaft should be 10µm to 15µm. -If the ga...

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    B-65272EN/01 SPECIFICATIONS FOR THE αi SERIES 4.NOTES ON INSTALLATION- 17 -5Before the belt is looped, FANUC recommends that the dynamicbalance (field balance) be corrected.6Limit the radial load applied to the motor output shaft by thetension of the belt to the ...

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    4.NOTES ON INSTALLATION SPECIFICATIONS FOR THE αi SERIES B-65272EN/01- 18 -8Use an appropriate tension gage to tension the belt.Examples Sonic type:U-305 series manufactured by UNITTA.Mechanical type:BT-33 series manufactured by Borroughs of the UnitedStatesA mec...

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    B-65272EN/01 SPECIFICATIONS FOR THE αi SERIES 4.NOTES ON INSTALLATION- 19 -4.3 WHEN A MOTOR IS CONNECTED TO A SPINDLE VIA AGEAR CAUTION1Do not use a helical gear which applies a load in the motor axialdirection.2To prevent unusual gear sounds, apply the following...

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    4.NOTES ON INSTALLATION SPECIFICATIONS FOR THE αi SERIES B-65272EN/01- 20 -4.4 WHEN A MOTOR IS DIRECTLY CONNECTED TO ASPINDLE VIA A COUPLING CAUTION1Use a coupling which can absorb thermal expansion in the axialdirection of the motor mating shaft so that no load ...

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    B-65272EN/01 SPECIFICATIONS FOR THE αi SERIES 5.NOTES ON OPERATION- 21 -5 NOTES ON OPERATION WARNING1When supplying voltage to the spindle motor or the fan motor,ensure that the earth cable is connected to the earth terminal andsecure that the spindle motor...

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    6.DETERMINING THE ACCELERATION TIME SPECIFICATIONS FOR THE αi SERIES B-65272EN/01- 22 -6 DETERMINING THE ACCELERATIONTIMEThe time required for each acceleration for the acceleration/deceleration output characteristics shown below can be obtained fromthe following equation.Since machine lo...

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    B-65272EN/01 SPECIFICATIONS FOR THE αi SERIES 6.DETERMINING THE ACCELERATION TIME- 23 - - Acceleration time (t1) in the constant-torque range (0 to Nb) (JL+Jm) ×Nb2t1=0.10754× [sec] Pf×1000 - Acceleration time (t2) in the constant-output rang...

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    6.DETERMINING THE ACCELERATION TIME SPECIFICATIONS FOR THE αi SERIES B-65272EN/01- 24 -Pf:11×1.2=13.2 [kW]Pm :7.5×1.2=9 [kW]Nb :1500 [min-1]Nf :6000 [min-1]Nm :8000 [min-1]NOTEFor all models, these are not guaranteed values butguidelines. In case of αCi series, use 30 min ratedoutput f...

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    B-65272EN/01 SPECIFICATIONS FOR THE αi SERIES 6.DETERMINING THE ACCELERATION TIME- 25 -Reference 1When a cylinder rotates about its center axis, its inertia can beobtained from the following equation. The inertia of a gear can beobtained in a similar way.L [cm]Q [cm] πγJ= ...

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    6.DETERMINING THE ACCELERATION TIME SPECIFICATIONS FOR THE αi SERIES B-65272EN/01- 26 -Reference 2To obtain the value GD2 [kgf⋅m2] for cylinder, get the value of G fromits weight in kilograms and use the following equation to get the valueof D2. - Solid cylinderD0 [m]D2=D02/2 - Hollow c...

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    B-65272EN/01 SPECIFICATIONS FOR THE αi SERIES 6.DETERMINING THE ACCELERATION TIME- 27 -Reference 3Note the following relationship between the value of inertia I [kg⋅m2]in SI units and the value of GD2 [kgf⋅m2]:I[kg⋅m2]=GD2 [kgf⋅m2]/4Therefore, to convert I [kg⋅m2] to J [kgf⋅cm...

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    7.DETERMINING THE ALLOWABLE DUTY CYCLE SPECIFICATIONS FOR THE αi SERIES B-65272EN/01- 28 -7 DETERMINING THE ALLOWABLE DUTYCYCLEWhen machining requires the spindle to accelerate and deceleratefrequently, the average output per cycle must not exceed thecontinuous rated output.The allowable ...

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    B-65272EN/01 SPECIFICATIONS FOR THE αi SERIES 7.DETERMINING THE ALLOWABLE DUTY CYCLE- 29 -NOTE1 Cutting output P3 at motor speed N which is lowerthan base speed Nb shall be calculated by thefollowing equation.P3=PC × Nb/N [kW] (PC: Actual cutting output)2 In case that P3 is calculated by...

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    7.DETERMINING THE ALLOWABLE DUTY CYCLE SPECIFICATIONS FOR THE αi SERIES B-65272EN/01- 30 -Allowable duty cycle time Dt for repeated acceleration/decelerationt1t41 cycle time DtP1P4P1Passageof timeMotoroutputMotoroutputPassageof time 1Dt= ×(P30min2×1.22) × (t1+t4) PCONT2Pco...

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    II. FANUC AC SPINDLE MOTOR ααααi SERIES

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    B-65272EN/01 FANUC AC SPINDLE MOTOR αi SERIES 1.GENERAL- 33 -1 GENERALThe FANUC AC spindle motor αi series is ideal for CNC machinetool spindles.Features -The motor is compact, light-weight and furnished with digitalcontrol for...

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    2.SPECIFICATIONS FANUC AC SPINDLE MOTOR αi SERIES B-65272EN/01- 34 -2 SPECIFICATIONS

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    B-65272EN/01 FANUC AC SPINDLE MOTOR αi SERIES 2.SPECIFICATIONS- 35 -Seriesααααi seriesModelItemαααα0.5/10000iαααα1/10000iαααα1.5/10000iCont. rated kW (HP)0.55(0.74)1.5(2.0)1.1(1.5)30 min rated kW[15 min, 10min] ...

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    2.SPECIFICATIONS FANUC AC SPINDLE MOTOR αi SERIES B-65272EN/01- 36 -Seriesααααi seriesModelItemαααα2/10000iαααα3/10000iαααα6/10000iαααα8/8000iCont. rated kW (HP)2.2(3.0)3.7(5.0)5.5(7.4)7.5(10)30 min rated kW[15...

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    B-65272EN/01 FANUC AC SPINDLE MOTOR αi SERIES 2.SPECIFICATIONS- 37 -Seriesααααi seriesModelItemαααα12/7000iαααα15/7000iαααα18/7000iαααα22/7000iCont. rated kW (HP)11(14.7)15(20.1)18.5(24.8)22(29.5)30 min rated k...

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    2.SPECIFICATIONS FANUC AC SPINDLE MOTOR αi SERIES B-65272EN/01- 38 -Seriesααααi seriesModelItemαααα30/6000i(developing)αααα40/6000i(developing)αααα50/4500i(developing)Cont. rated kW (HP)30(40.2)37(49.6)37(49.6)30 min ...

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    B-65272EN/01 FANUC AC SPINDLE MOTOR αi SERIES 2.SPECIFICATIONS- 39 -Seriesααααi seriesModelItemαααα1/15000i(developing)αααα1.5/15000iαααα2/15000iαααα3/12000iCont. rated kW (HP)1.5(2.0)1.5(2.0)2.2(3.0)3.7(5.0)30 mi...

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    2.SPECIFICATIONS FANUC AC SPINDLE MOTOR αi SERIES B-65272EN/01- 40 -Seriesααααi seriesαααα6/12000i(*1)αααα8/10000i(*1)ModelItemLow-speedwindingHigh-speedwindingLow-speedwindingHigh-speedwindingCont. rated kW (HP)5.5(7.4)5...

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    B-65272EN/01 FANUC AC SPINDLE MOTOR αi SERIES 2.SPECIFICATIONS- 41 -Seriesααααi seriesαααα12/10000i(*1)αααα15/10000i(*1)ModelItemLow-speedwindingHigh-speedwindingLow-speedwindingHigh-speedwindingCont. rated kW (HP)11(14.7...

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    2.SPECIFICATIONS FANUC AC SPINDLE MOTOR αi SERIES B-65272EN/01- 42 -Seriesααααi seriesαααα18/10000i(*1)αααα22/10000i(*1)ModelItemLow-speedwindingHigh-speedwindingLow-speedwindingHigh-speedwindingCont. rated kW (HP)18.5(24...

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    B-65272EN/01 FANUC AC SPINDLE MOTOR αi SERIES 2.SPECIFICATIONS- 43 -(*1) For α6/12000i, α8/10000i, α12/10000i, α15/10000i,α18/10000i, and α22/10000i, the CNC soft option andswitching magnetic contactor unit associated with the outputswi...

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    3.OUTPUT/TORQUE CHARACTERISTICS FANUC AC SPINDLE MOTOR αi SERIES B-65272EN/01- 44 -3 OUTPUT/TORQUE CHARACTERISTICSReferenceCalculation for torqueTorque T can be obtained by the following equation.T[N⋅m]=P[kW]×1000/0.1047/N[min-1]P[kW]:Motor outputN[min-1]:Motor speedWhen the unit of T is [...

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    B-65272EN/01 FANUC AC SPINDLE MOTOR αi SERIES 3.OUTPUT/TORQUE CHARACTERISTICS- 45 -3.1 MODEL αααα0.5/10000i00.40.81.21.602000400060008000 10000Motor speed [min-1][kW]3000OutputContinuousoperating zone15min, S3 40%Operating zone0.37kW0.9kW012340200040006000800010000Motor speed [min-1][N⋅...

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    3.OUTPUT/TORQUE CHARACTERISTICS FANUC AC SPINDLE MOTOR αi SERIES B-65272EN/01- 46 -3.3 MODEL αααα1.5/10000i0123450200040006000800010000[kW]15003.7kW051015202502000400060008000 10000[N⋅m]15002.2kW0.9kW1.1kWMotor speed [min-1]OutputContinuousoperating zone10min, S3 25%Operating zoneMotor ...

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    B-65272EN/01 FANUC AC SPINDLE MOTOR αi SERIES 3.OUTPUT/TORQUE CHARACTERISTICS- 47 -3.5 MODEL αααα3/10000i024680200040006000800010000[kW]15003.7kW01020304002000400060008000 10000[N⋅m]15005.5kW70003.7kW2.5kWMotor speed [min-1]OutputContinuousoperating zone30min, S3 60%Operating zoneMotor ...

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    3.OUTPUT/TORQUE CHARACTERISTICS FANUC AC SPINDLE MOTOR αi SERIES B-65272EN/01- 48 -3.7 MODEL αααα8/8000i048121602000400060008000[kW]15007.5kW02040608002000400060008000[N⋅m]150011kW7.5kW5.5kWMotor speed [min-1]OutputContinuousoperating zone30min, S3 60%Operating zoneMotor speed [min-1]To...

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    B-65272EN/01 FANUC AC SPINDLE MOTOR αi SERIES 3.OUTPUT/TORQUE CHARACTERISTICS- 49 -3.9 MODEL αααα15/7000i051015202502000400060008000[kW]1500030609012015002000400060008000[N⋅m]150015kW15kW11kW7000700018.5kWMotor speed [min-1]OutputContinuousoperating zone30min, S3 60%Operating zoneMotor ...

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    3.OUTPUT/TORQUE CHARACTERISTICS FANUC AC SPINDLE MOTOR αi SERIES B-65272EN/01- 50 -3.11 MODEL αααα22/7000i0816243202000400060008000[kW]1500030609012015018002000400060008000[N⋅m]150022kW22kW18.5kW7000700026kWMotor speed [min-1]OutputContinuousoperating zone30min, S3 60%Operating zoneMoto...

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    B-65272EN/01 FANUC AC SPINDLE MOTOR αi SERIES 3.OUTPUT/TORQUE CHARACTERISTICS- 51 -3.13 MODEL αααα1.5/15000i00.511.522.530300060009000 12000 15000[kW]02468030006000900012000 15000[N⋅m]2.2kWMotor speed [min-1]OutputContinuousoperating zone15min, S3 40%Operating zoneMotor speed [min-1]Tor...

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    3.OUTPUT/TORQUE CHARACTERISTICS FANUC AC SPINDLE MOTOR αi SERIES B-65272EN/01- 52 -3.14 MODEL αααα2/15000i012345030006000900012000 15000[kW]04812160300060009000 12000 15000[N⋅m]2.2kW3.7kWMotor speed [min-1]OutputContinuousoperating zone15min, S3 40%Operating zoneMotor speed [min-1]Torqu...

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    B-65272EN/01 FANUC AC SPINDLE MOTOR αi SERIES 3.OUTPUT/TORQUE CHARACTERISTICS- 53 -3.15 MODEL αααα3/12000i02468030006000900012000[kW]010203040030006000900012000[N⋅m]3.7kW5.5kW15001500Motor speed [min-1]OutputContinuousoperating zone30min, S3 60%Operating zoneMotor speed [min-1]Torque30m...

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    3.OUTPUT/TORQUE CHARACTERISTICS FANUC AC SPINDLE MOTOR αi SERIES B-65272EN/01- 54 -3.16 MODEL αααα6/12000i0246810030006000900012000Q[kW]0102030405060030006000900012000[N⋅m]2.2kW7.5kW0246810030006000900012000[kW]05101520030006000900012000[N⋅m]5.5kW7.5kW3.7kW5.5kW80001500150040004000Mot...

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    B-65272EN/01 FANUC AC SPINDLE MOTOR αi SERIES 3.OUTPUT/TORQUE CHARACTERISTICS- 55 -3.17 MODEL αααα8/10000i048121602000400060008000 10000[kW]02040608002000400060008000 10000[N⋅m]5.5kW7.5kW048121602000400060008000 10000[kW]010203002000400060008000 10000[N⋅m]11kW7.5kW7.5kW11W15001500Moto...

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    3.OUTPUT/TORQUE CHARACTERISTICS FANUC AC SPINDLE MOTOR αi SERIES B-65272EN/01- 56 -3.18 MODEL αααα12/10000i0510152002000400060008000 10000[kW]02040608010012002000400060008000 10000[N⋅m]5.5kW0510152002000400060008000 10000[kW]01020304002000400060008000 10000[N⋅m]11kW15kW7.5kW11W1500150...

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    B-65272EN/01 FANUC AC SPINDLE MOTOR αi SERIES 3.OUTPUT/TORQUE CHARACTERISTICS- 57 -3.19 MODEL αααα15/10000i0612182402000400060008000 10000[kW]0408012016002000400060008000 10000[N⋅m]11kW0612182402000400060008000 10000[kW]0102030405002000400060008000 10000[N⋅m]15kW18.5kW7.5kW15kW1500150...

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    3.OUTPUT/TORQUE CHARACTERISTICS FANUC AC SPINDLE MOTOR αi SERIES B-65272EN/01- 58 -3.20 MODEL αααα18/10000i061218243002000400060008000 10000[kW]0408012016002000400060008000 10000[N⋅m]11kW061218243002000400060008000 10000[kW]02040608002000400060008000 10000[N⋅m]22kW18.5kW15kW18.5kW1500...

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    B-65272EN/01 FANUC AC SPINDLE MOTOR αi SERIES 3.OUTPUT/TORQUE CHARACTERISTICS- 59 -3.21 MODEL αααα22/10000i0918273602000400060008000 10000[kW]05010015020002000400060008000 10000[N⋅m]15kW0918273602000400060008000 10000[kW]02040608002000400060008000 10000[N⋅m]22kW26kW18.5kW22kW150015002...

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    4.CONNECTIONS FANUC AC SPINDLE MOTOR αi SERIES B-65272EN/01- 60 -4 CONNECTIONS

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    B-65272EN/01 FANUC AC SPINDLE MOTOR αi SERIES 4.CONNECTIONS- 61 -4.1 MODEL αααα0.5/10000iThe power lead and signal lead are connected with the connector.Please use the shield cable for the connection.Please refer to FANUC SERVO AMPLIFIE...

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    4.CONNECTIONS FANUC AC SPINDLE MOTOR αi SERIES B-65272EN/01- 62 -Connection of signal lead- For type with Mi sensorConnector parts related to cable sideJapan Aviation Electronics Industry specificationConnectorJN1xS10SL1: Applicable sheath ...

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    B-65272EN/01 FANUC AC SPINDLE MOTOR αi SERIES 4.CONNECTIONS- 63 -4.2 MODELS αααα1/10000i TO αααα50/4500iCables of primary winding and fan motor are connected to theterminal block.Mi sensor or MZi sensor signal or thermistor si...

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    4.CONNECTIONS FANUC AC SPINDLE MOTOR αi SERIES B-65272EN/01- 64 -Method of connection to a non-screw terminal for the fan motorPeel-off length of a wire sheathBy using an appropriate tool, peel off each wire sheath by 8 to 9mm.ScrewdriverUs...

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    B-65272EN/01 FANUC AC SPINDLE MOTOR αi SERIES 4.CONNECTIONS- 65 -4.3 CONNECTION OF SIGNAL LEADConnector attachment for a motor with a built-in Mi sensorConnector pins arrangementNumberB1B2B3B4B5B6ColorSignalRARB 0VTHR2NumberA1A2A3A4A5A6Col...

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    5.ALLOWABLE RADIAL LOAD FANUC AC SPINDLE MOTOR αi SERIES B-65272EN/01- 66 -5 ALLOWABLE RADIAL LOADUse the motor output shaft below the allowable radial loads shown inthe table below.Allowable radial load (kgf)ModelAt output shaftendAt output shaftcenterα0.5/10000i30...

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    B-65272EN/01 FANUC AC SPINDLE MOTOR αi SERIES 6.ASSEMBLING ACCURACY- 67 -6 ASSEMBLING ACCURACYModelItemαααα0.5i to αααα22iαααα30i to αααα50iMeasuring methodRun-out at the end of theoutput shaft20µm or less20µm or less1/2 the outputshaft lengthRu...

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    7.EXTERNAL DIMENSIONS FANUC AC SPINDLE MOTOR αi SERIES B-65272EN/01- 68 -7 EXTERNAL DIMENSIONSModel nameSectionModel α0.5/10000i (flange mounting type)7.1Models α1/10000i and α1/15000i (flange mounting type)7.2Model α1/10000i (foot mounting type)7.3Model α1...

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    B-65272EN/01 FANUC AC SPINDLE MOTOR αi SERIES 7.EXTERNAL DIMENSIONS- 69 -7.1 MODEL αααα0.5/10000i (FLANGE MOUNTING TYPE)Note) Use hexagon socket head cap screws M6 length 16 mm or more as mounting bolts.

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    7.EXTERNAL DIMENSIONS FANUC AC SPINDLE MOTOR αi SERIES B-65272EN/01- 70 -7.2 MODELS αααα1/10000i AND αααα1/15000i (FLANGE MOUNTINGTYPE)

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    B-65272EN/01 FANUC AC SPINDLE MOTOR αi SERIES 7.EXTERNAL DIMENSIONS- 71 -7.3 MODEL αααα1/10000i (FOOT MOUNTING TYPE)

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    7.EXTERNAL DIMENSIONS FANUC AC SPINDLE MOTOR αi SERIES B-65272EN/01- 72 -7.4 MODEL αααα1.5/10000i (FLANGE MOUNTING TYPE)

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    B-65272EN/01 FANUC AC SPINDLE MOTOR αi SERIES 7.EXTERNAL DIMENSIONS- 73 -7.5 MODEL αααα1.5/15000i (FLANGE MOUNTING TYPE)

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    7.EXTERNAL DIMENSIONS FANUC AC SPINDLE MOTOR αi SERIES B-65272EN/01- 74 -7.6 MODEL αααα1.5/10000i (FOOT MOUNTING TYPE)

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    B-65272EN/01 FANUC AC SPINDLE MOTOR αi SERIES 7.EXTERNAL DIMENSIONS- 75 -7.7 MODEL αααα2/10000i (FLANGE MOUNTING TYPE)

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    7.EXTERNAL DIMENSIONS FANUC AC SPINDLE MOTOR αi SERIES B-65272EN/01- 76 -7.8 MODEL αααα2/15000i (FLANGE MOUNTING TYPE)

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    B-65272EN/01 FANUC AC SPINDLE MOTOR αi SERIES 7.EXTERNAL DIMENSIONS- 77 -7.9 MODEL αααα2/10000i (FOOT MOUNTING TYPE)

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    7.EXTERNAL DIMENSIONS FANUC AC SPINDLE MOTOR αi SERIES B-65272EN/01- 78 -7.10 MODELS αααα3/10000i AND αααα3/12000i (FLANGE MOUNTINGTYPE)

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    B-65272EN/01 FANUC AC SPINDLE MOTOR αi SERIES 7.EXTERNAL DIMENSIONS- 79 -7.11 MODEL αααα3/10000i (FOOT MOUNTING TYPE)

  • Page 93

    7.EXTERNAL DIMENSIONS FANUC AC SPINDLE MOTOR αi SERIES B-65272EN/01- 80 -7.12 MODELS αααα6/10000i AND αααα6/12000i (FLANGE MOUNTINGTYPE)

  • Page 94

    B-65272EN/01 FANUC AC SPINDLE MOTOR αi SERIES 7.EXTERNAL DIMENSIONS- 81 -7.13 MODEL αααα6/10000i (FOOT MOUNTING TYPE)

  • Page 95

    7.EXTERNAL DIMENSIONS FANUC AC SPINDLE MOTOR αi SERIES B-65272EN/01- 82 -7.14 MODELS αααα8/8000i AND αααα8/10000i (FLANGE MOUNTINGTYPE)

  • Page 96

    B-65272EN/01 FANUC AC SPINDLE MOTOR αi SERIES 7.EXTERNAL DIMENSIONS- 83 -7.15 MODEL αααα8/8000i (FOOT MOUNTING TYPE)

  • Page 97

    7.EXTERNAL DIMENSIONS FANUC AC SPINDLE MOTOR αi SERIES B-65272EN/01- 84 -7.16 MODELS αααα12/7000i AND αααα12/10000i (FLANGE MOUNTINGTYPE)

  • Page 98

    B-65272EN/01 FANUC AC SPINDLE MOTOR αi SERIES 7.EXTERNAL DIMENSIONS- 85 -7.17 MODEL αααα12/7000i (FOOT MOUNTING TYPE)

  • Page 99

    7.EXTERNAL DIMENSIONS FANUC AC SPINDLE MOTOR αi SERIES B-65272EN/01- 86 -7.18 MODELS αααα15/7000i AND αααα15/10000i (FLANGE MOUNTINGTYPE)

  • Page 100

    B-65272EN/01 FANUC AC SPINDLE MOTOR αi SERIES 7.EXTERNAL DIMENSIONS- 87 -7.19 MODEL αααα15/7000i (FOOT MOUNTING TYPE)

  • Page 101

    7.EXTERNAL DIMENSIONS FANUC AC SPINDLE MOTOR αi SERIES B-65272EN/01- 88 -7.20 MODELS αααα18/7000i AND αααα18/10000i (FLANGE MOUNTINGTYPE)

  • Page 102

    B-65272EN/01 FANUC AC SPINDLE MOTOR αi SERIES 7.EXTERNAL DIMENSIONS- 89 -7.21 MODEL αααα18/7000i (FOOT MOUNTING TYPE)

  • Page 103

    7.EXTERNAL DIMENSIONS FANUC AC SPINDLE MOTOR αi SERIES B-65272EN/01- 90 -7.22 MODELS αααα22/7000i AND αααα22/10000i (FLANGE MOUNTINGTYPE)

  • Page 104

    B-65272EN/01 FANUC AC SPINDLE MOTOR αi SERIES 7.EXTERNAL DIMENSIONS- 91 -7.23 MODEL αααα22/7000i (FOOT MOUNTING TYPE)

  • Page 105

    III. FANUC AC SPINDLE MOTOR ααααPi SERIES

  • Page 106

    B-65272EN/01 FANUC AC SPINDLE MOTOR αPi SERIES 1.GENERAL- 95 -1 GENERALFANUC AC spindle motor αPi series is suitable for structuralsimplification by eliminating the machine spindle gear box.Features -As the rated output range is ...

  • Page 107

    2.SPECIFICATIONS FANUC AC SPINDLE MOTOR αPi SERIES B-65272EN/01- 96 -2 SPECIFICATIONS

  • Page 108

    B-65272EN/01 FANUC AC SPINDLE MOTOR αPi SERIES 2.SPECIFICATIONS- 97 -SeriesααααPi seriesααααP12/6000iααααP12/8000iααααP15/6000iααααP15/8000iModelItemLow speedwindingHigh speedwindingLow speedwindingHigh speedwindingCont. rated ...

  • Page 109

    2.SPECIFICATIONS FANUC AC SPINDLE MOTOR αPi SERIES B-65272EN/01- 98 -SeriesααααPi seriesααααP18/6000iααααP18/8000iααααP22/6000iααααP22/8000iModelItemLow speedwindingHigh speedwindingLow speedwindingHigh speedwindingCont. rated ...

  • Page 110

    B-65272EN/01 FANUC AC SPINDLE MOTOR αPi SERIES 2.SPECIFICATIONS- 99 -SeriesααααPi seriesααααP30/6000iααααP40/6000iModelItemLow speedwindingHigh speedwindingLow speedwindingHigh speedwindingCont. rated kW (HP)11(14.7)15(20.1...

  • Page 111

    2.SPECIFICATIONS FANUC AC SPINDLE MOTOR αPi SERIES B-65272EN/01- 100 -SeriesααααPi seriesααααP50/6000iααααP60/4500iModelItemLow speedwindingHigh speedwindingLow speedwindingHigh speedwindingCont. rated kW (HP)22(29.5)22(29....

  • Page 112

    B-65272EN/01 FANUC AC SPINDLE MOTOR αPi SERIES 2.SPECIFICATIONS- 101 -(*1) When the output switch function is used, the CNC soft optionand switching magnetic contactor unit associated with theoutput switch function (Y-∆ switch) are required.(*2)...

  • Page 113

    3.OUTPUT/TORQUE CHARACTERISTICSFANUC AC SPINDLE MOTOR αPi SERIES B-65272EN/01- 102 -3 OUTPUT/TORQUE CHARACTERISTICSReferenceCalculation for torqueTorque T can be obtained by the following equation.T[N⋅m]=P[kW]×1000/0.1047/N[min-1]P[kW]:Motor outputN[min-1]:Motor speedWhen the unit of T is [k...

  • Page 114

    B-65272EN/01 FANUC AC SPINDLE MOTOR αPi SERIES3.OUTPUT/TORQUE CHARACTERISTICS- 103 -3.1 MODEL ααααP12/6000i0246810050010001500[kW]04080120160050010001500[N⋅m]7.5kW024681001500300045006000[kW]030609012001500300045006000[N⋅m]5.5kW7.5kW3.7W750750Motor speed [min-1]Continuousoperating zone...

  • Page 115

    3.OUTPUT/TORQUE CHARACTERISTICSFANUC AC SPINDLE MOTOR αPi SERIES B-65272EN/01- 104 -3.2 MODEL ααααP15/6000i04812050010001500[kW]050100150200250050010001500[N⋅m]9kW03691201500300045006000[kW]0408012016001500300045006000[N⋅m]9kW7.5kW5kW750750Motor speed [min-1]Continuousoperating zone15mi...

  • Page 116

    B-65272EN/01 FANUC AC SPINDLE MOTOR αPi SERIES3.OUTPUT/TORQUE CHARACTERISTICS- 105 -3.3 MODEL ααααP18/6000i0481216050010001500[kW]050100150200250050010001500[N⋅m]11kW048121601500300045006000[kW]0408012016001500300045006000[N⋅m]9kW11kW6kW750750Motor speed [min-1]Continuousoperating zone...

  • Page 117

    3.OUTPUT/TORQUE CHARACTERISTICSFANUC AC SPINDLE MOTOR αPi SERIES B-65272EN/01- 106 -3.4 MODEL ααααP22/6000i05101520050010001500[kW]080160240320050010001500[N⋅m]0510152001500300045006000[kW]05010015020025001500300045006000[N⋅m]11kW7.5kW750750Motor speed [min-1]Continuousoperating zone15m...

  • Page 118

    B-65272EN/01 FANUC AC SPINDLE MOTOR αPi SERIES3.OUTPUT/TORQUE CHARACTERISTICS- 107 -3.5 MODEL ααααP30/6000i06121824050010001500[kW]0100200300400500050010001500[Nm]18.5kW0612182401500300045006000[kW]09018027036001500300045006000[Nm]15kW18.5kW11KW57557540040034509kW7.5kWMotor speed [min-1]Co...

  • Page 119

    3.OUTPUT/TORQUE CHARACTERISTICSFANUC AC SPINDLE MOTOR αPi SERIES B-65272EN/01- 108 -3.6 MODEL ααααP40/6000i0612182430050010001500[kW]0120240360480600050010001500[Nm]22kW061218243001500300045006000[kW]010020030040001500300045006000[Nm]22kW18.5kW13KW575575400400345011kW9kWMotor speed [min-1]C...

  • Page 120

    B-65272EN/01 FANUC AC SPINDLE MOTOR αPi SERIES3.OUTPUT/TORQUE CHARACTERISTICS- 109 -3.7 MODEL ααααP50/6000i010203040050010001500[kW]0120240360480600050010001500[N⋅m]01020304001500300045006000[kW]05010015020025001500300045006000[N⋅m]22kW22KW12001200575575400022kW15kW26kW1200Motor speed ...

  • Page 121

    3.OUTPUT/TORQUE CHARACTERISTICSFANUC AC SPINDLE MOTOR αPi SERIES B-65272EN/01- 110 -3.8 MODEL ααααP60/4500i010203040050010001500[kW]0200400600800050010001500[N⋅m]30kW010203040010002000300040005000[kW]0100200300400010002000300040005000[N⋅m]22kW18.5kW18.5KW750750400400450030kW22kW17kW13kW...

  • Page 122

    B-65272EN/01 FANUC AC SPINDLE MOTOR αPi SERIES3.OUTPUT/TORQUE CHARACTERISTICS- 111 -3.9 MODEL ααααP12/8000i0246810050010001500[kW]04080120160050010001500[N⋅m]7.5kW024681002000400060008000[kW]030609012002000400060008000[N⋅m]5.5kW7.5kW3.7W7507505.5kW3.7kWMotor speed [min-1]Continuousoper...

  • Page 123

    3.OUTPUT/TORQUE CHARACTERISTICSFANUC AC SPINDLE MOTOR αPi SERIES B-65272EN/01- 112 -3.10 MODEL ααααP15/8000i04812050010001500[kW]050100150200250050010001500[N⋅m]9kW03691202000400060008000[kW]0408012016002000400060008000[N⋅m]9kW7.5kW5kW7507505.5kW7.5kWMotor speed [min-1]Continuousoperati...

  • Page 124

    B-65272EN/01 FANUC AC SPINDLE MOTOR αPi SERIES3.OUTPUT/TORQUE CHARACTERISTICS- 113 -3.11 MODEL ααααP18/8000i0481216050010001500[kW]050100150200250050010001500[N⋅m]11kW048121602000400060008000[kW]0408012016002000400060008000[N⋅m]9kW11kW6kW7507509kW7.5kWMotor speed [min-1]Continuousopera...

  • Page 125

    3.OUTPUT/TORQUE CHARACTERISTICSFANUC AC SPINDLE MOTOR αPi SERIES B-65272EN/01- 114 -3.12 MODEL ααααP22/8000i05101520050010001500[kW]080160240320050010001500[N⋅m]0510152002000400060008000[kW]05010015020025002000400060008000[N⋅m]11kW7.5kW7507509kW11kWMotor speed [min-1]Continuousoperating...

  • Page 126

    B-65272EN/01 FANUC AC SPINDLE MOTOR αPi SERIES 4.CONNECTIONS- 115 -4 CONNECTIONS

  • Page 127

    4.CONNECTIONS FANUC AC SPINDLE MOTOR αPi series B-65272EN/01- 116 -4.1 MODELS ααααP12/6000i TO ααααP60/4500iCables of primary winding and fan motor are connected to theterminal block.Mi sensor or MZi sensor signal or thermo s...

  • Page 128

    B-65272EN/01 FANUC AC SPINDLE MOTOR αPi SERIES 4.CONNECTIONS- 117 -4.2 CONNECTION OF SIGNAL LEADConnector attachment for a motor with a built-in Mi sensorConnector pins arrangementNumberB1B2B3B4B5B6ColorSignalRARB 0VTHR2NumberA1A2A3A4A5A6Colo...

  • Page 129

    5.ALLOWABLE RADIAL LOAD FANUC AC SPINDLE MOTOR αPi SERIES B-65272EN/01- 118 -5 ALLOWABLE RADIAL LOADUse the motor output shaft below the allowable radial loads shown inthe table below.Allowable radial load (kgf)ModelAt output shaftendAt output shaftcenterαP12/6000i, ...

  • Page 130

    B-65272EN/01 FANUC AC SPINDLE MOTOR αPi SERIES 6.ASSEMBLING ACCURACY- 119 -6 ASSEMBLING ACCURACYModelItemααααP12i to ααααP22iααααP30i to ααααP60iMeasuring methodRun-out at the end of theoutput shaft20µm or less20µm or less1/2 the outputshaft lengthR...

  • Page 131

    7.EXTERNAL DIMENSIONS FANUC AC SPINDLE MOTOR αPi SERIES B-65272EN/01- 120 -7 EXTERNAL DIMENSIONSModel nameSectionModels αP12/6000i and αP12/8000i (flange mounting type)7.1Model αP12/6000i (foot mounting type)7.2Models αP15/6000i and αP15/8000i (flange mountin...

  • Page 132

    B-65272EN/01 FANUC AC SPINDLE MOTOR αPi SERIES 7.EXTERNAL DIMENSIONS- 121 -7.1 MODELS ααααP12/6000i AND ααααP12/8000i (FRANGEMOUNTING TYPE)

  • Page 133

    7.EXTERNAL DIMENSIONS FANUC AC SPINDLE MOTOR αPi SERIES B-65272EN/01- 122 -7.2 MODEL ααααP12/6000i (FOOT MOUNTING TYPE)

  • Page 134

    B-65272EN/01 FANUC AC SPINDLE MOTOR αPi SERIES 7.EXTERNAL DIMENSIONS- 123 -7.3 MODELS ααααP15/6000i AND ααααP15/8000i (FRANGEMOUNTING TYPE)

  • Page 135

    7.EXTERNAL DIMENSIONS FANUC AC SPINDLE MOTOR αPi SERIES B-65272EN/01- 124 -7.4 MODEL ααααP15/6000i (FOOT MOUNTING TYPE)

  • Page 136

    B-65272EN/01 FANUC AC SPINDLE MOTOR αPi SERIES 7.EXTERNAL DIMENSIONS- 125 -7.5 MODELS ααααP18/6000i AND ααααP18/8000i (FRANGEMOUNTING TYPE)

  • Page 137

    7.EXTERNAL DIMENSIONS FANUC AC SPINDLE MOTOR αPi SERIES B-65272EN/01- 126 -7.6 MODEL ααααP18/6000i (FOOT MOUNTING TYPE)

  • Page 138

    B-65272EN/01 FANUC AC SPINDLE MOTOR αPi SERIES 7.EXTERNAL DIMENSIONS- 127 -7.7 MODELS ααααP22/6000i AND ααααP22/8000i (FRANGEMOUNTING TYPE)

  • Page 139

    7.EXTERNAL DIMENSIONS FANUC AC SPINDLE MOTOR αPi SERIES B-65272EN/01- 128 -7.8 MODEL ααααP22/6000i (FOOT MOUNTING TYPE)

  • Page 140

    B-65272EN/01 FANUC AC SPINDLE MOTOR αPi SERIES 7.EXTERNAL DIMENSIONS- 129 -7.9 MODELS ααααP30/6000i AND ααααP40/6000i (FRANGEMOUNTING TYPE)

  • Page 141

    7.EXTERNAL DIMENSIONS FANUC AC SPINDLE MOTOR αPi SERIES B-65272EN/01- 130 -7.10 MODELS ααααP30/6000i AND ααααP40/6000i (FOOT MOUNTINGTYPE)

  • Page 142

    B-65272EN/01 FANUC AC SPINDLE MOTOR αPi SERIES 7.EXTERNAL DIMENSIONS- 131 -7.11 MODEL ααααP50/6000i (FRANGE MOUNTING TYPE)

  • Page 143

    7.EXTERNAL DIMENSIONS FANUC AC SPINDLE MOTOR αPi SERIES B-65272EN/01- 132 -7.12 MODEL ααααP50/6000i (FOOT MOUNTING TYPE)

  • Page 144

    B-65272EN/01 FANUC AC SPINDLE MOTOR αPi SERIES 7.EXTERNAL DIMENSIONS- 133 -7.13 MODEL ααααP60/4500i (FRANGE MOUNTING TYPE)

  • Page 145

    7.EXTERNAL DIMENSIONS FANUC AC SPINDLE MOTOR αPi SERIES B-65272EN/01- 134 -7.14 MODEL ααααP60/4500i (FOOT MOUNTING TYPE)

  • Page 146

    IV. FANUC AC SPINDLE MOTOR ααααTi SERIES

  • Page 147

    B-65272EN/01 FANUC AC SPINDLE MOTOR αTi SERIES 1.GENERAL- 137 -1 GENERALFeaturesBy directly connecting the spindle with a spindle motor (hollow shaft),higher-speed spindle rotation and highly efficient center-throughcoolant machin...

  • Page 148

    1.GENERAL FANUC AC SPINDLE MOTOR αTi SERIES B-65272EN/01- 138 -Important(1) For attachment of this type of motor to a spindle, only coupling-based direct connection with the spindle is allowed. When aspindle of direct motor connec...

  • Page 149

    B-65272EN/01 FANUC AC SPINDLE MOTOR αTi SERIES 2.SPECIFICATIONS- 139 -2 SPECIFICATIONS

  • Page 150

    2.SPECIFICATIONS FANUC AC SPINDLE MOTOR αTi SERIES B-65272EN/01- 140 -ModelItemααααT1.5/15000iααααT2/15000iααααT3/12000i(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...

  • Page 151

    B-65272EN/01 FANUC AC SPINDLE MOTOR αTi SERIES 2.SPECIFICATIONS- 141 - ModelItemααααT6/12000iααααT8/12000iConnection (*13)Low-speed winding(Y connection)High-speed winding(∆ connection)Low-speed winding(Y connection)Hig...

  • Page 152

    2.SPECIFICATIONS FANUC AC SPINDLE MOTOR αTi SERIES B-65272EN/01- 142 -ModelItemααααT8/15000iααααT15/10000iConnection (*13)Low-speed winding(Y connection)High-speed winding(∆ connection)Low-speed winding(Y connection)High-speed winding(...

  • Page 153

    B-65272EN/01 FANUC AC SPINDLE MOTOR αTi SERIES 2.SPECIFICATIONS- 143 -ModelItemααααT15/12000iααααT22/10000iConnection (*13)Low-speed winding(Y connection)High-speed winding(Y connection)Low-speed winding(Y connection)High-speed winding(∆...

  • Page 154

    2.SPECIFICATIONS FANUC AC SPINDLE MOTOR αTi SERIES B-65272EN/01- 144 -Cautions and limitations(*1) The rated output is guaranteed at the rated voltage.(Amplifier input: 200 to 230VAC)If the input voltage fluctuates, it is possible that the rated o...

  • Page 155

    B-65272EN/01 FANUC AC SPINDLE MOTOR αTi SERIES3.OUTPUT/TORQUE CHARACTERISTICS- 145 -3 OUTPUT/TORQUE CHARACTERISTICSReferenceCalculation for torqueTorque T can be obtained by the following equation.T[Nm]=P[kW]×1000/0.1047/N[min-1]P[kW]:Motor outputN[min-1]:Motor speedWhen the unit of T is [kgf...

  • Page 156

    3.OUTPUT/TORQUE CHARACTERISTICSFANUC AC SPINDLE MOTOR αTi SERIES B-65272EN/01- 146 -3.1 MODEL ααααT1.5/15000i Applicable amplifier SPM-15i00.511.522.50300060009000 12000 150000246810030006000900012000 150001.5kW2.2kW036912150300060009000 12000 15000800012kW[kW][N⋅m]Motor speed [min-1]Cont...

  • Page 157

    B-65272EN/01 FANUC AC SPINDLE MOTOR αTi SERIES3.OUTPUT/TORQUE CHARACTERISTICS- 147 -3.2 MODEL ααααT2/15000iApplicable amplifier SPM-22i012345030006000900012000 1500003691215030006000900012000 150002.2kW3.7kW05101520250300060009000 12000 15000800013kW5500[kW][N⋅m]Motor speed [min-1]Contin...

  • Page 158

    3.OUTPUT/TORQUE CHARACTERISTICSFANUC AC SPINDLE MOTOR αTi SERIES B-65272EN/01- 148 -3.3 MODEL ααααT3/12000iApplicable amplifier SPM-11i024680300060009000120000102030400300060009000120003.7kW5.5kW15001500048121603000600090001200070009.5kW[kW][N⋅m]Motor speed [min-1]Continuousoperating zone...

  • Page 159

    B-65272EN/01 FANUC AC SPINDLE MOTOR αTi SERIES3.OUTPUT/TORQUE CHARACTERISTICS- 149 -3.4 MODEL ααααT6/12000iApplicable amplifier SPM-15i036912150300060009000120000369121503000600090001200005101520030006000900012000036912150300060009000120000102030405003000600090001200015002.2kW3.7kW4.4kW150...

  • Page 160

    3.OUTPUT/TORQUE CHARACTERISTICSFANUC AC SPINDLE MOTOR αTi SERIES B-65272EN/01- 150 -3.5 MODEL ααααT8/12000iApplicable amplifier SPM-15i020406080030006000900012000048121603000600090001200015004.5kW6.6kW150070007.5kW11kW7000010203040030006000900012000400004812160300060009000120007.5kW11kW4000...

  • Page 161

    B-65272EN/01 FANUC AC SPINDLE MOTOR αTi SERIES3.OUTPUT/TORQUE CHARACTERISTICS- 151 -3.6 MODEL ααααT8/15000iApplicable amplifier SPM-26i030609012001000200030004000051015200100020003000400015007.5kW11kW15kW1500010203040030006000900012000 1500040000612182430030006000900012000 150007.5kW11kW40...

  • Page 162

    3.OUTPUT/TORQUE CHARACTERISTICSFANUC AC SPINDLE MOTOR αTi SERIES B-65272EN/01- 152 -3.7 MODEL ααααT15/10000iApplicable amplifier SPM-22i0408012016002000400060008000 10000061218243002000400060008000 1000015007.5kW11kW150015kW18.5kW0204060800200040006000800010000061218243002000400060008000100...

  • Page 163

    B-65272EN/01 FANUC AC SPINDLE MOTOR αTi SERIES3.OUTPUT/TORQUE CHARACTERISTICS- 153 -3.8 MODEL ααααT15/12000iApplicable amplifier SPM-30i0510152025300100020003000400014007.5kW11kW15kW050100150200010002000300040001400250015kW18.5kW22kW250001020304003000600090001200018.5kW11kW500015kW10000[N...

  • Page 164

    3.OUTPUT/TORQUE CHARACTERISTICSFANUC AC SPINDLE MOTOR αTi SERIES B-65272EN/01- 154 -3.9 MODEL ααααT22/10000iApplicable amplifier SPM-26i05010015020002000400060008000 1000001020304002000400060008000 10000150013kW16kW150022kW26kW0204060800200040006000800010000010203040020004000600080001000022...

  • Page 165

    B-65272EN/01 FANUC AC SPINDLE MOTOR αTi SERIES 4.CONFIGURATION AND ORDERING NUMBER- 155 -4 CONFIGURATION AND ORDERINGNUMBER

  • Page 166

    4.CONFIGURATION AND ORDERING NUMBER FANUC AC SPINDLE MOTOR αTi SERIES B-65272EN/01- 156 -4.1 CONFIGURATIONThe αTi series motor consists of the following items:(1) Main spindle motor unit(2) Fan motor (Exhaust on the side opposite to the load axis. Packedseparately.)(3) Connector (housing,...

  • Page 167

    B-65272EN/01 FANUC AC SPINDLE MOTOR αTi SERIES 4.CONFIGURATION AND ORDERING NUMBER- 157 -4.2 ORDERING NUMBERMotor (including a cooling fan)ModelOrdering numberSPMRemarksαT1.5/15000iA06B-1463-B123#0021SPM-15iαT2/15000iA06B-1464-B123#0021SPM-22iαT3/12000iA06B-1465-B123#0021SPM-11iαT6/1200...

  • Page 168

    5.CONNECTIONS FANUC AC SPINDLE MOTOR αTi SERIES B-65272EN/01- 158 -5 CONNECTIONS

  • Page 169

    B-65272EN/01 FANUC AC SPINDLE MOTOR αTi SERIES 5.CONNECTIONS- 159 -5.1 CONNECTION OF THE POWER, FAN MOTOR, AND MZiSENSOR SIGNAL LEADSCables of primary winding and fan motor are connected to theterminal block.MZi sensor signal or thermo stat s...

  • Page 170

    5.CONNECTIONS FANUC AC SPINDLE MOTOR αTi SERIES B-65272EN/01- 160 -5.2 SIZE OF POWER LEADObserve the sizes indicated below when using power leads to be usedbetween the amplifier and motor, and crimp terminals.Crimp terminal sizeApplicable pow...

  • Page 171

    B-65272EN/01 FANUC AC SPINDLE MOTOR αTi SERIES 5.CONNECTIONS- 161 -5.3 FAN CABLEThe machine tool builder is to prepare a fan motor cable according tothe specifications indicated below.Vinyl heavy-duty power cord JIS C 3312 3-conductorConducto...

  • Page 172

    5.CONNECTIONS FANUC AC SPINDLE MOTOR αTi SERIES B-65272EN/01- 162 -5.4 CONNECTION OF SIGNAL LEADMZi sensor signal or overheat signal use a connector manufactured byAMP.The connector housing and the connector are attached to the motor.Connecto...

  • Page 173

    B-65272EN/01 FANUC AC SPINDLE MOTOR αTi SERIES6.ASSEMBLING ACCURACY- 163 -6 ASSEMBLING ACCURACYItemAccuracyMeasuring methodRun-out at the end of the outputshaft10µm or less1/2 the outputshaft lengthRun-out of the faucet joint formounting the flange against thecore ...

  • Page 174

    7.EXTERNAL DIMENSIONS FANUC AC SPINDLE MOTOR αTi SERIES B-65272EN/01- 164 -7 EXTERNAL DIMENSIONSModel nameSectionModel α1.5/15000i7.1Model αT2/15000i7.2Model αT3/12000i7.3Model αT6/12000i7.4Models αT8/12000i and αT8/15000i7.5Model αT15/10000i7.6Model αT15/...

  • Page 175

    B-65272EN/01 FANUC AC SPINDLE MOTOR αTi SERIES 7.EXTERNAL DIMENSIONS- 165 -7.1 MODEL ααααT1.5/15000i

  • Page 176

    7.EXTERNAL DIMENSIONS FANUC AC SPINDLE MOTOR αTi SERIES B-65272EN/01- 166 -7.2 MODEL ααααT2/15000i

  • Page 177

    B-65272EN/01 FANUC AC SPINDLE MOTOR αTi SERIES 7.EXTERNAL DIMENSIONS- 167 -7.3 MODEL ααααT3/12000i

  • Page 178

    7.EXTERNAL DIMENSIONS FANUC AC SPINDLE MOTOR αTi SERIES B-65272EN/01- 168 -7.4 MODEL ααααT6/12000i

  • Page 179

    B-65272EN/01 FANUC AC SPINDLE MOTOR αTi SERIES 7.EXTERNAL DIMENSIONS- 169 -7.5 MODELS ααααT8/12000i AND ααααT8/15000i

  • Page 180

    7.EXTERNAL DIMENSIONS FANUC AC SPINDLE MOTOR αTi SERIES B-65272EN/01- 170 -7.6 MODEL ααααT15/10000i

  • Page 181

    B-65272EN/01 FANUC AC SPINDLE MOTOR αTi SERIES 7.EXTERNAL DIMENSIONS- 171 -7.7 MODEL ααααT15/12000i

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    7.EXTERNAL DIMENSIONS FANUC AC SPINDLE MOTOR αTi SERIES B-65272EN/01- 172 -7.8 MODEL ααααT22/10000i

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    B-65272EN/01 FANUC AC SPINDLE MOTOR αTi SERIES 7.EXTERNAL DIMENSIONS- 173 -7.9 DISTANCE BLOCK TYPE T1.5i

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    7.EXTERNAL DIMENSIONS FANUC AC SPINDLE MOTOR αTi SERIES B-65272EN/01- 174 -7.10 DISTANCE BLOCK TYPE T2i

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    B-65272EN/01 FANUC AC SPINDLE MOTOR αTi SERIES 7.EXTERNAL DIMENSIONS- 175 -7.11 DISTANCE BLOCK TYPE T6i

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    7.EXTERNAL DIMENSIONS FANUC AC SPINDLE MOTOR αTi SERIES B-65272EN/01- 176 -7.12 DISTANCE BLOCK TYPE T15i

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    B-65272EN/01FANUC AC SPINDLE MOTOR αTi SERIES 8.POINTS ABOUT DIRECT CONNECTION STRUCTURE- 177 -8 POINTS ABOUT DIRECT CONNECTIONSTRUCTUREIf the motor shaft and spindle are not centered precisely when thespindle motor is directly connected to the spindle, fretting can occurwith the motor shaft i...

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    9.NOTES ON MOTOR INSTALLATION FANUC AC SPINDLE MOTOR αTi SERIES B-65272EN/01- 178 -9 NOTES ON MOTOR INSTALLATION

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    B-65272EN/01 FANUC AC SPINDLE MOTOR αTi SERIES 9.NOTES ON MOTOR INSTALLATION- 179 -9.1 HIGHER-PRECISION MOUNTING FLANGE AND SHAFTWith the αTi series, a mounting flange and shaft are assembled withhigher precision for direct connection with the spindle. For details,see Chapter 6, "...

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    9.NOTES ON MOTOR INSTALLATION FANUC AC SPINDLE MOTOR αTi SERIES B-65272EN/01- 180 -9.2 CENTERING USING CENTERING PLATESWhen connecting the spindle with the motor shaft, make centeringwith a target concentricity of 5µm. If centering accuracy measurementis difficult, it is recommended to...

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    B-65272EN/01 FANUC AC SPINDLE MOTOR αTi SERIES 9.NOTES ON MOTOR INSTALLATION- 181 -9.3 CHECKING MOTOR VIBRATION (TO SEE WHETHERCENTERING IS SUCCESSFUL)To check whether the spindle is centered with the motor successfully,measure the vibration acceleration of the motor.Center the motor sh...

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    9.NOTES ON MOTOR INSTALLATION FANUC AC SPINDLE MOTOR αTi SERIES B-65272EN/01- 182 -9.4 COUPLING SELECTIONSelect a coupling that does not apply a thrust load onto the motorshaft for a cause such as coolant pressure when the temperature risesor cutting is performed. When attaching a coupl...

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    B-65272EN/01 FANUC AC SPINDLE MOTOR αTi SERIES 9.NOTES ON MOTOR INSTALLATION- 183 -(Example of an air vent on a gear coupling)Air ventO-ring(Reference) Contact points for couplingsManufacturerType ofcouplingPoint ofcontactApplicablemaximum speed (*)EAGLE INDUSTRY CO., LTD Diaphragm03-34...

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    9.NOTES ON MOTOR INSTALLATION FANUC AC SPINDLE MOTOR αTi SERIES B-65272EN/01- 184 -LLtφdMotor shaftSPANN ELEMENTERINGFEDERThe models αT1.5/15000i and αT2/15000i have a less thickness (t).↓[Stress applied to motor shaft] ≤ [Motor shaft yield point (490 N/mm2)]ModelααααT1.5/...

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    B-65272EN/01 FANUC AC SPINDLE MOTOR αTi SERIES 9.NOTES ON MOTOR INSTALLATION- 185 -9.5 ROTATION JOINTWhen coolant is flown through the through hole of the motor shaft, acoolant pressure acts on the end face of the coolant joint attached tothe shaft front end, thus producing a thrust loa...

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    9.NOTES ON MOTOR INSTALLATION FANUC AC SPINDLE MOTOR αTi SERIES B-65272EN/01- 186 -9.6 COOLANT JOINTThe machine tool builder is to prepare the following coolant joint:(Deublin)φ12.9φ6φdABShaft tip screwMotor shaftCoolant joint(Figure of coolant joint)φdφdConvex typeConcave type<...

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    B-65272EN/01 FANUC AC SPINDLE MOTOR αTi SERIES 9.NOTES ON MOTOR INSTALLATION- 187 -*Before attaching a coolant joint, apply screw locking adhesive.Be sure to use a motor shaft tip screw when attaching a coolantjoint.<3> Method of calculating a thrust load imposed on the motor when...

  • Page 198

    9.NOTES ON MOTOR INSTALLATION FANUC AC SPINDLE MOTOR αTi SERIES B-65272EN/01- 188 -9.7 ROTATION JOINT SUPPORT HOUSINGThe machine tool builder is to prepare a rotation joint support housing.To secure a housing, use a socket and spigot joint and six M5 tappedholes at the motor rear end. P...

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    B-65272EN/01 INDEXi - 1INDEX<A>ALLOWABLE RADIAL LOAD ............................ 66, 118ASSEMBLING ACCURACY........................ 67, 119, ...

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    Revision RecordFANUC AC SPINDLE MOTOR αi series DESCRIPTIONS (B-65272EN)01Jul., 2001EditionDateContentsEditionDateContents

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    · No part of this manual may bereproduced in any form.· All specifications and designsare subject to change withoutnotice.

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