Contents Summary of Built-In AC Spindle Motors Alpha iB Series Descriptions
Page 1@**B series DESCRIPTIONS B-65292EN/03 C FANUC LTD, 2001
Page 2NOTE TO USERS Before getting started • Before using a built-in motor made by FANUC, you should first thoroughly read this manual. This manual includes many important things to do or not to do. • If a procedure is not described, it should not be attempted. If you want to do that, please get a permiss
Page 3B-65292EN/03 SAFETY PRECAUTIONS SAFETY PRECAUTIONS This "Safety Precautions" section describes the precautions which must be observed to ensure safety when using FANUC AC SPINDLE MOTOR αiB series. Users of any spindle motor model are requested to read this manual carefully before using the spindle m
Page 4SAFETY PRECAUTIONS B-65292EN/03 1.1 DEFINITION OF WARNING, CAUTION, AND NOTE This manual includes safety precautions for protecting the user and preventing damage to the machine. Precautions are classified into Warning and Caution according to their bearing on safety. Also, supplementary information
Page 5B-65292EN/03 SAFETY PRECAUTIONS 1.2 WARNING WARNING - Be safely dressed when handling a motor. Wear safety shoes or gloves when handling a motor as you may get hurt on any edge or protrusion on it or electric shocks. - Use a crane or lift to move a motor from one place to another. Motors are heavy.
Page 6SAFETY PRECAUTIONS B-65292EN/03 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 may get electric shocks if your body or any conductive stuff touches an exposed terminal. - Do not get close to a rotary secti
Page 7B-65292EN/03 SAFETY PRECAUTIONS 1.3 CAUTION CAUTION - FANUC motors are designed for use with machines. Do not use them for any other purpose. If a FANUC motor is used for an unintended purpose, it may cause an unexpected symptom or trouble. If you want to use a motor for an unintended purpose, previ
Page 8SAFETY PRECAUTIONS B-65292EN/03 1.4 NOTE NOTE - Do not step or sit on a motor. If you step or sit on a motor, it may get deformed or broken. Do not put a motor on another unless they are in packages. - When storing a motor, put it in a dry (non-condensing) place at room temperature (0 to 40 °C). If
Page 9B-65292EN/03 SAFETY PRECAUTIONS NOTE - Do not apply a commercial power source voltage directly to a motor. Applying a commercial power source voltage directly to a motor may result in its windings being burned. Be sure to use a specified amplifier for supplying voltage to the motor. - For a motor wi
Page 11B-65292EN/03 INTRODUCTION INTRODUCTION This manual includes information of following models. FANUC AC SPINDLE MOTOR αiB series Standard type Double windings Single winding (Speed range switching control) α50L/25000iB α80S/20000iB α80M/15000iB α112SS/20000iB α80L/8000iB α112S/15000iB α100S/12500iB α1
Page 12CONSTRUCTION B-65292EN/03 CONSTRUCTION This manual consists of following three parts. I. SPECIFICATIONS Output characteristics, dimensions, cooling conditions, and so on are shown here. II. INSTRUCTION Installation instructions for the built-in motor are shown here. Refer to this part when you desig
Page 13B-65292EN/03 HANDLING OF BUILT-IN MOTOR HANDLING OF BUILT-IN MOTOR CAUTION You should read this clause before handling a built-in motor. If you handle the motor incorrectly, some trouble or accident will occur. Refer to Part II. The word “Motor” described here means stator, rotor, sensor and all par
Page 19B-65292EN/03 SPECIFICATIONS CONSTRUCTION OF THIS PART CONSTRUCTION OF THIS PART This part includes followings. 1 SPECIFICATIONS ...................................................................... 5 Technical data includes a cooling condition which is required to get rated output and to conform to
Page 543.DIMENSIONS SPECIFICATIONS B-65292EN/03 3.1 STATOR L4 R1 L3 X R2 Y R3 φD0 φD2 φD1 W2 Z φd2 φd0 φd1 W1 Outlet L2 L0 L1 Upper view Side view(cut away) Unit : mm Model name Type No. (A06B-) φD0 φD1 φD2 φd0 φd1 φd2 L0+ L1+ L2 L0 L1 L2 L3 L4 +0 +0 -0 -0 +0 +0 α50L/25000iB 1615-B120#Z318 88±0.01 82 82 (4
Page 55B-65292EN/03 SPECIFICATIONS 3.DIMENSIONS Unit : mm Model name Type No.(A06B-) W1 W2 R1 R2 R3 X Y Z α50L/25000iB 1615-B120#Z318 20 30 10-15 10-15 3-5 3 or more 20 or more 40 or more α80S/20000iB 1621-B120#Z312 20 30 10-15 10-15 3-5 3 or more 20 or more 40 or more α80M/15000iB 1623-B170#Z011 20 30 10-
Page 563.DIMENSIONS SPECIFICATIONS B-65292EN/03 Power leads Diameter of Size of power cross-sectional Number of Power leads Model name Type No.(A06B-) power leads lead crimp area power leads Connection 2 (mm) terminal (mm ) α50L/25000iB 1615-B120#Z318 2 6 2.8 M4 Connection B α80S/20000iB 1621-B120#Z312 2 6
Page 57B-65292EN/03 SPECIFICATIONS 3.DIMENSIONS 3.2 ROTOR 3.2.1 Dimensions of Rotor Type A Type B G H G H φA φB φC φD φE φA φB φC φE F F I I Unit : mm Model name Type No.(A06B-) Type φA φB φC φD φE F G H I 49±0.2 α50L/25000iB 1615-B120#Z318 A 44 38.3 35.8 34.8 - 5 90 100 (48.6±0.01) 74.3+0.2/-0 α80S/20000i
Page 583.DIMENSIONS SPECIFICATIONS B-65292EN/03 Unit : mm Model name Type No.(A06B-) Type φA φB φC φD φE F G H I 44.0 α40S/70000iB 1601-B120#Z618 B 31 28 - 28 (6.8) 8 28 44 (43.4±0.01) 90±0.1 α80S/40000iB 1631-B120#Y618 B - - - 59.5±0.1 - 12.8 56 81.6 (89.4±0.01) 99.3 +0.2/-0 α100S/20000iB 1641-B121#X617 B
Page 59B-65292EN/03 SPECIFICATIONS 3.DIMENSIONS 3.2.2 Reference Size of Spindle Shaft Rmax=1.6S φJ More than width "I" Unit : mm Rotor inner surface not machined Rotor inner surface machined Model name Type No.(A06B-) φJ φJ Interference for shrinking α50L/25000iB 1615-B120#Z318 34.827≤J≤34.832 35.0≤J≤35.5
Page 603.DIMENSIONS SPECIFICATIONS B-65292EN/03 3.3 BZi SENSOR 3.3.1 With Mounting Ring φ6 20 φ25 Standard gap 0.13mm 24 26 * Diameter of 37 1200 (Cable length) 37 through hole for 6 connector is <1> C1.5 φ25mm. S C D G E G φ6 φA* Accessories C1.5 (Manufactured by Honda Tsushin Kogyo Co. Ltd.) Connector:Z-
Page 61B-65292EN/03 SPECIFICATIONS 3.DIMENSIONS 3.3.2 Without Mounting Ring φ6 14 φ25 Standard gap 0.13mm 24 26 31 1200 (Cable length) 37 * Diameter of through hole for 17.8 31.4 <1> Note connector is M4×25 Note φ25mm. Note M4×25 S C D B φ6 (Machine spigot) Accessories (Manufactured by Honda Tsushin Kogyo
Page 623.DIMENSIONS SPECIFICATIONS B-65292EN/03 3.3.3 Sensor Ring Sensor ring A Sensor ring B G φA φB φD φE C F Dimensions Sensor ring A (phase A/B ring) Sensor ring B (phase Z ring) φA φB C φD φE F G Ring 1, 2 52+0.0/-0.020 40+0.016/-0.0 10±0.1 52+0.0/-0.020 40+0.016/-0.0 8.6±0.1 6.7 Ring 3, 4 103.2+0.0/-
Page 63B-65292EN/03 SPECIFICATIONS 3.DIMENSIONS 3.4 COOLING JACKET (REFERENCE) Unit : mm Model name Type No.(A06B-) φA φB φC φD E F G H I J K α50L/25000iB 1615-B120#Z311 127 87 88 120 18 11 4 116 7 11 11 α80S/20000iB 1621-B120#Z312 150 119 120 145 21 16.5 3.5 87 6.8 6 14 α80M/15000iB 1623-B170#Z011 144 119
Page 643.DIMENSIONS SPECIFICATIONS B-65292EN/03 3.5 REACTOR It is necessary to connect the reactor between the motor and the amplifier (SPM) for α40S/70000iB, for α80S/40000iB, for α112L/25000iB, and for α160LL/20000iB. Connect the following reactor specified for each model. For reactor connection, refer t
Page 65B-65292EN/03 SPECIFICATIONS 3.DIMENSIONS NOTE • If the specified reactor is not used, the life of the motor may adversely be affected considerably. • Consider the setting place of the reactor. There is a possibility of high temperature rise up to about 100°C. • Protect the reactor from oil, water an
Page 69B-65292EN/03 INSTRUCTION CONSTRUCTION OF THIS PART CONSTRUCTION OF THIS PART This partedited for the parson who design and assemble a spindle. Read this chapter before design and assemble the spindle. 1 GENERAL................................................................................. 55 1.1 N
Page 71B-65292EN/03 INSTRUCTION 1.GENERAL 1 GENERAL - 55 -
Page 721.GENERAL INSTRUCTION B-65292EN/03 1.1 NOTES Prohibition against machining any part that is not designated by FANUC Note the following points to use built-in spindle motors properly. CAUTION 1 Never machine the stator. Also never machine any pin hole for fixing the stator. 2 Do not machine parts of
Page 73B-65292EN/03 INSTRUCTION 1.GENERAL Check resistance and insulation Before and after assembling a spindle, check the resistance and insulation of winding. And also, check these on regular intervals. WARNING Shut down the power supply and disconnect the leads which are connected to the amplifier befor
Page 741.GENERAL INSTRUCTION B-65292EN/03 1.2 PROTECTION CLASS (WATER AND DUST PROOF) Protection class of a spindle should be IP54 or more, and the part of drain should be IP44 or more. (Refer to the IEC34-5 standard for details of IP.) When appropriate protection is not maintained, contamination like oil,
Page 75B-65292EN/03 INSTRUCTION 1.GENERAL 1.3 CLEARANCE AND CREEPAGE (DISTANCE FOR INSULATION) Clearance Clearance between windings and other metallic materials has to be 3mm or more, and this condition has to be applied for all directions of windings. These are described in VDE0110. Refer to VDE0110 for d
Page 761.GENERAL INSTRUCTION B-65292EN/03 1.4 SATISFYING STANDARDS Note on assembly When installing a built-in spindle motor on a machine, satisfy Article 19 of IEC60204-1. For details, refer to the standard. IEC60204-1 (excerpts from the standard) 19 TESTS AND VERIFICATION 19.1 GENERAL This standard speci
Page 77B-65292EN/03 INSTRUCTION 1.GENERAL 1.5 DEVIATION Deviation of stator and rotor Deviation between center of stator core and center of rotor core must be ±1mm or less. (The rotor core does not extend off the end faces of the stator core.) Over 1mm deviation causes reduction of output power. Eccentrici
Page 782.STATOR INSTRUCTION B-65292EN/03 2 STATOR This chapter describes how to assemble a stator. An outline is shown below. Read the notes described above in addition to this chapter carefully before assembling a stator. Stator Cooling jacket jacket Heat shrink fitting Spindle head O-ring Insert stator i
Page 79B-65292EN/03 INSTRUCTION 2.STATOR 2.1 HEAT SHRINK FITTING • Stator outer diameter is machined within the proper tolerance. But it sometimes has distortion of 0.1mm after winding procedure. Even if there is the distortion of 0.1mm in the stator outer diameter, it is an allowable distortion for heat s
Page 802.STATOR INSTRUCTION B-65292EN/03 2.2 CHECKING THE WINDING RESISTANCE Measure the winding resistance before connecting the power leads of the stator. For the measured values, see the table below according to the marking on each power lead. CAUTION Shut down the power supply and disconnect the leads
Page 81B-65292EN/03 INSTRUCTION 2.STATOR 2.3 POWER LEADS CONNECTION • Connection A • Connection B SPM SPM G XYZ MOTOR MOTOR UVWG UVWG UVW G UVW • Connection C SPM G XYZ MOTOR UVWG UVW • Connection D • Connection E SPM SPM MCC1 U1 V1 W1 U2 V2 W2 G G MCC2 MCC2 XYZ MOTOR MOTOR UVWG UVWG MCC1 UVW • Switching o
Page 822.STATOR INSTRUCTION B-65292EN/03 • Connection F SPM MCC4 G XYZ MCC3 X1Y1Z1 MCC5 MOTOR UVWG MCC2 U2V2W2 MCC1 UVW • Switching of MCC (Connection F) <1> <2> <3> <4> MCC1 OFF OFF ON ON MCC2 ON ON OFF OFF MCC3 OFF OFF ON ON MCC4 ON OFF ON OFF MCC5 OFF ON OFF ON Which item among <1> to <4> in the table a
Page 83B-65292EN/03 INSTRUCTION 2.STATOR • Connection H SPM G XYZ MCC2 X1Y1Z1 MOTOR UVWG U2V2W2 MCC1 UVW • Switching of MCC (Connection H) Low speed winding High speed winding MCC1 OFF ON MCC2 ON OFF NOTE 1 MCC (switching unit) is not attached to the built-in motor. 2 Refer to "1.SPECIFICATIONS" in part I
Page 842.STATOR INSTRUCTION B-65292EN/03 2.4 GROUNDING A MOTOR Built-in spindle motors require frame grounding. Be sure to apply frame grounding for the motors. The following shows an example of a CE marking correspondence. Grounded section On a part on which there is direct continuity with the stator core
Page 85B-65292EN/03 INSTRUCTION 2.STATOR 2.5 CABLE CONNECTION (OUTLINE) Amplifier (SPM) AC reactor Contactor (Only for the (Required for speed range switching) specified models) Ground wire (Wire striped with yellow and green when conforming to CE marking) BZi sensor BZi sensor lead Signal lead (Shielded l
Page 863.ROTOR INSTRUCTION B-65292EN/03 3 ROTOR This chapter describes how to assemble a rotor. An outline is shown below. Read the notes described above in addition to this chapter carefully before assembling a rotor. Rotor Rotor sleeve Fit sleeve by shrinking Grind inner surface of sleeve Spindle Fit spi
Page 87B-65292EN/03 INSTRUCTION 3.ROTOR 3.1 MACHINING AND FINISHING Method When machining the inner surface of the rotor, chuck the outer surface of the rotor based on the outer surface as shown in the figure. As shown in the diagram, if the rotor is gripped by a divided jig, the chucking is more stable. F
Page 883.ROTOR INSTRUCTION B-65292EN/03 Used tips (reference) SANDVIK TPMT16T308-MM 2015 or TCMT16T308-MM 1025, TUNGALLOY CNMG120404-TM TD915, and etc. Steady rest Avoid using as steady rest. As the rotor has slots on its outer wall, the runout of the rotor increases if it is supported by a rest. Clearance
Page 89B-65292EN/03 INSTRUCTION 3.ROTOR 3.2 ADJUSTING THE BALANCE • After the rotor is mounted on a spindle (see section 3.3), balance the entire spindle by separately installing balance rings. It is recommended to use a Non-magnetic material like stainless steel for the ring. If a magnetic material is use
Page 903.ROTOR INSTRUCTION B-65292EN/03 3.3 HEAT SHRINK FITTING • Heat shrink fitting is recommended for mounting method of a rotor to a spindle. Use press machine when the interference is large. But in this case, avoid the deformation of the spindle and the rotor. • When mounting the rotor, the rotor has
Page 924.BZi SENSOR INSTRUCTION B-65292EN/03 4.1 MOUNTING Mount the BZi sensor on the motor power lead side of the spindle so that sensor ring A and sensor (mounting ring and holder) are located at the motor side. If the sensor is installed incorrectly, the motor cannot be controlled normally. Install sens
Page 93B-65292EN/03 INSTRUCTION 4.BZi SENSOR 4.2 INTERFERENCE The following table lists the interference for shrink fitting for the sensor ring at each maximum speed. Unit : µm Max. speed T201 T211 T401 T411 T511 T611 (min-1) Ring 1 Ring 2 Ring 3 Ring 4 Ring 5 Ring 6 3000 φ6 to φ32 φ6 to φ32 φ7 to φ35 φ7 t
Page 944.BZi SENSOR INSTRUCTION B-65292EN/03 4.3 BZi SENSOR CONNECTION Connection diagram (outline) Connect the SPM and BZi sensor as shown in the figure below. BZi sensor SPM Type A Built-in motor Spindle CN1 Cable K17 CN2 JYA2 Thermistor lead (THR lead) For details of connection and connector pin assignm
Page 964.BZi SENSOR INSTRUCTION B-65292EN/03 4.4 FEEDBACK SIGNAL ADJUSTMENT Check the feedback signal after installing the BZi sensor. Pins for checking are on the check board. The check board is not attached to the amplifier or to the motor. (Specification No. : A06B-6078-H001) Refer to the MAINTENANCE MA
Page 97B-65292EN/03 INSTRUCTION 4.BZi SENSOR Speed and position feedback signal Measuring condition : Rotation : Clockwise, Counterclockwise Speed : 1500min-1 Pins : PA1, PB1 (PA2, PB2 for sub spindle) Ripple voltage is 70mV or less. Mount the sensor so that the output signal ripple voltage is 70 mV or les
Page 985.LOAD METER (DYNAMOMETER) INSTRUCTION B-65292EN/03 5 LOAD METER (DYNAMOMETER) A load meter (dynamometer) indicates the load factor. The load factor is the ratio of average output to the maximum output of the spindle motor when the spindle of the machine tool operates with no load and during cutting
Page 115B-65292EN/03 APPENDIX CONSTRUCTION OF APPENDIX CONSTRUCTION OF APPENDIX Appendix includes many reference data and information. A DEFINITION OF RATING ..................................................... 101 B ACCELERATION TIME ........................................................ 102 C COOLING C
Page 117B-65292EN/03 APPENDIX A.DEFINITION OF RATING A DEFINITION OF RATING The IEC34 standard uses symbols S1, S2, and S3 according to the types of motor rating. Each type of rating is described below: Continuous rating (S1) The motor can continuously be run at the indicated output. Example) 15kW S1, 15kW
Page 118B.ACCELERATION TIME APPENDIX B-65292EN/03 B ACCELERATION TIME In acceleration, the output of the built-in AC spindle motor is 120% of S2 or S3 rated output. The acceleration time required for acceleration can be calculated from the expressions below. As the load torque of the machine is not consider
Page 119B-65292EN/03 APPENDIX C.COOLING CONDITION C IC code COOLING CONDITION IC code means "International Cooling" and it indicates the cooling system for a motor standardized in IEC34-6. All FANUC's built-in AC spindle motors are developed under IC9U7A7 and this means all motors require separated oil cool
Page 120D.ROTOR SLEEVE (REFERENCE) APPENDIX B-65292EN/03 D ROTOR SLEEVE (REFERENCE) Rotor sleeve (Stepped sleeve) Using a stepped sleeve in the inner diameter of rotor, the rotor can be separated from the shaft using the oil pressure (from 30MPa to 80MPa) in the stepped sleeve, and maintenance ability of ro
Page 121B-65292EN/03 APPENDIX D.ROTOR SLEEVE (REFERENCE) Dimensions (Reference) Unit : mm Model name Type No. (A06B-) B φC φD φF H I J K(deg) L α50L/25000i 1615-B120#Z311 α80S/20000i 1621-B120#Z312 α80M/15000i 1623-B170#Z011 α80L/8000i 1625-B170#Z011 α100S/12500i 1641-B120#Z011 57 44.9 46 44.7 18 - 18 6 134
Page 122D.ROTOR SLEEVE (REFERENCE) APPENDIX B-65292EN/03 Unit : mm Model name Type No. (A06B-) M φN O α50L/25000iB 1615-B120#Z311 α80S/20000iB 1621-B120#Z312 α80M/15000iB 1623-B170#Z011 α80L/8000iB 1625-B170#Z011 α100S/12500iB 1641-B120#Z011 0.02-0.05 (53) 2-M4×0.5 Depth 8: φ2; φ6 Counterboring Depth 1 α112
Page 123B-65292EN/03 APPENDIX E.CONTACTOR (SPEED RANGE SWITCHING UNIT) E CONTACTOR (SPEED RANGE SWITCHING UNIT) A speed range switching motor requires a contactor (speed range switching unit). The motor is supplied with no contactor. Place an order with FANUC for the contactor or prepare the contactor accor
Page 124F.SPECIFICATION NUMBER APPENDIX B-65292EN/03 F Model name SPECIFICATION NUMBER Specification number BZi sensor Applicable amplifier(SPM) α50L/25000iB A06B-1615-B120#Z318 A860-2120-T211 A06B-6111-H006#H550 A06B-1621-B120#Z312 A860-2120-T201 A06B-6111-H006#H550 α80S/20000iB A06B-1621-B120#Z317 A860-21
Page 125B-65292EN/03 APPENDIX F.SPECIFICATION NUMBER Model name Specification number BZi sensor Applicable amplifier(SPM) α40S/70000iB A06B-1601-B120#Z618 A860-2120-T211 A06B-6111-H002#H550 α80S/40000iB A06B-1631-B120#Y618 A860-2120-T211 A06B-6111-H045#H550 A06B-1641-B121#X617 A860-2120-T411 A06B-6111-H022#
Page 126G.SELECTION DATA TABLE APPENDIX B-65292EN/03 G SELECTION DATA TABLE We suggest the correct and proper driving conditions and usage of the built-in AC spindle motor to our customers according to the following sheets that we received. Please fill up the following sheets and submit to our sales departm
Page 127B-65292EN/03 APPENDIX G.SELECTION DATA TABLE Selection data table • Driving Condition Maximum speed min-1 • Your Data Maximum torque Nm Company kgm2 Spindle inertia Your Name Continuous Load kW Section Maximum Load kW Tel. No. Continuous Fax. No. working time hours/day Intermittent Available( G) cut
Page 128G.SELECTION DATA TABLE APPENDIX B-65292EN/03 How to fill out the selection data table • Your Data We would like to use this data to give some information for you. • Machine Type - Name Final commercial name of your machine for our distinction. - Number of motors Number of SPINDLE motors in the machi
Page 129B-65292EN/03 APPENDIX G.SELECTION DATA TABLE • Driving Condition - Maximum speed, Maximum torque Maximum speed and torque of machine specification. If the machine has some differential, use values of motor speed and torque (not values of spindle). - Spindle inertia Actual value of spindle inertia. U
Page 133Revision Record FANUC AC SPINDLE MOTOR αiB series DESCRIPTIONS (B-65292EN) • The series name and model name were changed. • An addition was made to the α112L/25000iB lineup. 03 Feb., 2003 • Errors were corrected and descriptions were added to the blank sections. • A description of the αB80S/20000i w