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Fagor SPM Manual
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Fagor SPM Manual

Ac spindle motor
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Summary of Contents for Fagor SPM

  • Page 1 version. 0303 - in.-...
  • Page 3 Service phone : 34 - 943 - 771118 The information described in this manual may be subject to changes due to technical modifications. FAGOR AUTOMATION S.Coop. reserves the rigth to change the contents of this manual without prior notice. All rights reserved. No part of this documentation may be copied, transmitted, transcribed, stored in a backup device or translated into another language without Fagor Automation‘s permission.
  • Page 4 RM-15, ER, CM - 1.60, CHOKES and DDS PROG MODULE Power Supply Filter: EMK 3040, EMK 3120 Motors: Brushless AC Fagor AXM, FXM and FKM and Spindle Asynchronous Fagor SPM and FM7 mentioned on this declaration, meet the requirements: SAFETY: EN 60204-1: Machine safety. Electrical equipment of the machines.
  • Page 5 This system ensures the 12 . month warranty period for the user. FAGOR offers a 12 - month period for the OEM or distributor for selling and installing the product. This means that the warranty starting date may be up to one year after the product has left our warehouse so long as the warranty control sheet has been sent back to us.

  • Page 6: Table Of Contents

    • This manual may be modified when necessary because of improvement of the product, modifica- tion or changes in specifications. • To order a copy of this manual if your copy has been damaged or lost, contact your FAGOR repre- sentative.

  • Page 7: Notes For Save Operation

    Fagor Automation S.Coop SPM motor manual NOTES FOR SAVE OPERATION Read these instructions throughly before use of AC SPINDLE MOTOR. In these instructions, NOTES FOR SAVE OPERATION are classified as Indicates a potencially hazardous which, if not avoided, may result in death or serious injury to personnel.

  • Page 8: Notes On Use

    Fagor Automation S.Coop SPM motor manual NOTES ON USE • Observe the following items to avoid electrical shock or injury. • Ground the ground terminals of the inverter and the motor (or ground the metal- lic part such as frame in case of no ground terminal) according to local and/or national electrical codes.

  • Page 9: Storage

    Fagor Automation S.Coop SPM motor manual STORAGE • Do not store the equipment in locations where water splashes are present or where there is corrosive gases or liquids. • Store the motor horizontally and guarded against any possible blows. Make sure that no strange objects get into it through the cooling system.

  • Page 10: Installation

    Fagor Automation S.Coop SPM motor manual INSTALLATION • Do not climb up on the motor or place heavy objects on it. Failure to observe this caution may result in personal injury. • Do not block the air inlet and outlet, and do not let foreign materials enter.

  • Page 11: Wiring

    Do not run power cables and signal lines in the same duct or bundle. Noise on signal lines may cause vibration or malfunctions • Use FAGOR - specified cables. To use other cables, check the rated current of your equipment, and consider operating environment to select correct cables.

  • Page 12: Operation

    • Only authorized personnel should be permitted to disassemble or repair the equipment. • If it becomes necessary to disassemble the motor, contact your FAGOR rep- resentative. • To perform the inspection and maintenance, refer to the instructions in this manual.
  • Page 13 Fan connection........................51 Characteristics of the fan......................52 Motor connection - drive....................53 Connection of the SPM motor to the drive ................53 MPC 4x ... power cable ......................54 Mechanical characteristics of the power cable MPC 4x ............55 Selecting the power cable MPC 4x ..................55 Motor feedback - drive connection ................
  • Page 14 PinOut of the encoder connector....................57 Encoder connection. EEC Cable....................58 Encoder connection. EEC - SP Cable ...................58 Mechanical characteristics of the cable for the encoder ............60 5. MAINTENANCE ....................61 General considerations ....................63 Checks prior to start-up ......................63 Checks after start-up ......................63 Maintenance periods .....................
  • Page 15 Fagor Automation S.Coop SPM motor manual INTRODUCTION...
  • Page 17 Fagor Automation S.Coop SPM motor manual Specifications Fagor SPM series motors are asynchronous motors also known as induction motors, with a squirrel - cage rotor, and are specially designed to work on machine - tool spindles. Depending on the winding voltage, this SPM series has two models: •...
  • Page 18 Fan terminal board guard Fan - Encoder module Bearing Rear side cover Drive end side key Wound stator Fixing screw Motor covers tie rod Fixing nut Encoder connector Rotor unit table 1 Listing of the elements of the SPM motor...
  • Page 19 Layout of the terminal box for power and fan connection. Feedback encoder connector. Name Terminal box for power connection Feedback encoder connector Terminal box for fan connection. Note that the numbers: are not printed on the motor table 2 Listing of the connections at the SPM motor...
  • Page 20 Meets EC regulation IEC 34 - 1 table 3 General characteristics of SPM motors The F classification of the winding insulation is based on its capability to run at maximum temperature. This temperature 155°C [ 311°F ] represents the maximum running temperature for the winding.
  • Page 21 Fagor Automation S.Coop SPM motor manual ELECTRICAL CHARACTERISTICS...
  • Page 23 Fagor Automation S.Coop SPM motor manual Definitions Maximum turning The maximum speed n depends on the mechanical design [roller bearings life, speed allowed. short-circuit ring of the squirrel cage] and electrical design [voltage limiting characteristics]. Never exceed this speed value.
  • Page 24 Fagor Automation S.Coop SPM motor manual S6 duty cycle Uninterrupted periodic service with intermittent load, also called [continuous cycle [intermittent operation]. with intermittent load]. It consist of a series of identical cycles that have a constant load time and another one without load. There in no resting [stopped] intervals. If no other value is indicated, the duty cycle with load will be referred to a time period of 10 minutes.
  • Page 25 Fagor Automation S.Coop SPM motor manual Operating modes Next, the motor operating modes are described showing the different zones in the di- agram below [ power-torque / speed ]. The motor behavior characteristics are different in each of them. For spindle motors it is crucial to have an ample constant power zone. Three operating zones are established in order to analyze this characteristics.
  • Page 26 Fagor Automation S.Coop SPM motor manual • Zone 2: This zone is defined as the constant power zone and covers from the nominal op- erating point to where the motor reaches its maximum available voltage. The torque decreases proportional a the speed increases.
  • Page 27 Fagor Automation S.Coop SPM motor manual Influence of the supply voltage The supply voltage of the bus sets the electrical limitation on how the motor will run. In zone 2, the power is kept constant. However, in zone 3 it decreases as the speed increases.
  • Page 28 Technical data and characteristics Power graphs - turning speed: associated drive The AC motors of the SPM series for main spindle drives must be ventilated at all times while running regardless of the duty cycle. These power graphs are for duty cycles S1 and S6 - 40% - [duty cycle of 10 minutes].
  • Page 29 [ Kg· m 1500 7.78 9000 0.0035 19.2 SPM 90L .1 1.25 Drive 1.25 Drive S6 - 40% 1.15 Drive S6 - 40% 1.15 Drive 1000 2000 4000 6000 8000 speed [rpm] fig. 5 Power - speed graph: SPM 90L...
  • Page 30 [ RPM ] [ Nm ] [ RPM ] [ Kg· m 1500 10.13 9000 0.0044 23.8 SPM 90P .1 1.25 Drive S6 - 40% 1.15 Drive 1000 2000 4000 6000 8000 speed [rpm] fig. 6 Power - speed graph: SPM 90P...
  • Page 31 [ Nm ] [ RPM ] [ Kg· m 1500 25.5 13.6 9000 0.0061 35.3 SPM 100LBE .1 1.35 Drive S6 - 40% 1.25 Drive 1000 2000 4000 6000 8000 speed [rpm] fig. 7 Power - speed graph: SPM 100LBE...
  • Page 32 9000 0.011 [ * ] Maximum speed when special bearings are used [ optional ]. SPM 112ME .1 1.35 Drive S6 - 40% 1.25 Drive 1000 2000 4000 6000 8000 speed [rpm] fig. 8 Power - speed graph: SPM 112ME...
  • Page 33 9000 0.014 [ * ] Maximum speed when special bearings are used [ optional ]. SPM 112LE .1 2.50 Drive S6 - 40% 1.35 Drive 1000 2000 4000 6000 8000 speed [rpm] fig. 9 Power - speed graph: SPM 112LE...
  • Page 34 9000 0.022 [ * ] Maximum speed when special bearings are used [ optional ]. SPM 112XE .1 2.75 Drive S6 - 40% 2.50 Drive 1000 2000 4000 6000 8000 speed [rpm] fig. 10 Power - speed graph: SPM 112XE...
  • Page 35 Fagor Automation S.Coop SPM motor manual table 7. Spindle AC motor SPM 132L SPM 132L . Max. Rated Rated Rated Rated Max. speed Inertia Weight power speed torque current speed [ * ] [ Kg ] [ Kw ] [ RPM ]...
  • Page 36 Fagor Automation S.Coop SPM motor manual table 8. Spindle AC motor SPM 132X SPM 132X . Max. Rated Rated Rated Rated Max. speed Inertia Weight power speed torque current speed [ * ] [ Kg ] [ Kw ] [ RPM ]...
  • Page 37 Fagor Automation S.Coop SPM motor manual table 9. Spindle AC motor SPM 132XL SPM 132XL . Max. Rated Rated Rated Rated Max. speed Inertia Weight power speed torque current speed [ * ] [ Kg ] [ Kw ] [ RPM ]...
  • Page 38 9000 0.13 [ * ] Maximum speed when special bearings are used [ optional ]. SPM 160M .1 3.150 Drive S6 - 40% 3.100 Drive 1000 2000 4000 6000 8000 speed [rpm] fig. 14 Power - speed graph: SPM 160M...
  • Page 39 9000 0.17 [ * ] Maximum speed when special bearings are used [ optional ]. SPM 160L .0 S6 - 40% 3.150 Drive 3.100 Drive 1000 2000 4000 6000 8000 speed [rpm] fig. 15 Power - speed graph: SPM 160L...
  • Page 40 87.0 6500 9000 0.34 [ * ] Maximum speed when special bearings are used [ optional ]. SPM 180MA .0 S6 - 40% 3.150 Drive 1000 2000 4000 6000 8000 speed [rpm] fig. 16 Power - speed graph: SPM 180MA...
  • Page 41 Fagor Automation S.Coop SPM motor manual MECHANICAL CHARACTERISTICS...
  • Page 43 These motors may be supplied for horizontal mounting B3/B5 or vertical, type V1/V5 or V3/V6. The motor denomination indicates the type of mounting. See chapter 6 [ section: sales reference of SPM motors ]. Foot mounting B3 Flange mounting B5...
  • Page 44 Fagor Automation S.Coop SPM motor manual Precautions when installing the motor This section describes the environmental precautions to bear in mind when installing the motor. The flange and the shaft of the motor have an anticorrosive layer of paint or grease. The...
  • Page 45 Fagor Automation S.Coop SPM motor manual Ball bearings: Useful life and precautions The special bearings are suitable for speeds up to 9000 they are lubricated with special greases resistant to high rotation and temperature conditions. The maximum theoretical life of the bearings is calculated in about 20000 hours of continuous operation at 1500 rpm approx.
  • Page 46 Fagor Automation S.Coop SPM motor manual • Make sure to break the motor in during the first start-up. • Increase the motor speed gradually from 0% to 70% of n in about 20 minutes. • Do not run the motor too long at its maximum speed.
  • Page 47 Fagor Automation S.Coop SPM motor manual Mounting the gear boxes Upon request, the motor may carry a special flange for mounting gear boxes. The joints, pulleys, pinions,... must always be adjusted very accurately and with the right tools. Note that when installing gears, any blow to the shaft decreases its useful lifespan, that of the bearings and may damage the encoder.
  • Page 48 Fagor Automation S.Coop SPM motor manual Note: For combined axial and radial loads, decrease the value of the allowed radial force to 70%. Radial load Fr X distance Axial load Drive end Non Drive end [ N ] [ mm ]...
  • Page 49 Fagor Automation S.Coop SPM motor manual The graph shows how the radial force permitted on the axis decreases as the turning speed increases. The illustration on the right shows the radial force applied onto the axis [ Fr ] and distance to the ball bearings.
  • Page 50 Fagor Automation S.Coop SPM motor manual Coupling considerations The circular motion of the motor can be transmitted to the machine through direct coupling or by using pulleys or gear boxes. Direct coupling. Considerations • Always couple the motor to the machine when the motor shaft and that of the machine are aligned.
  • Page 51 Fagor Automation S.Coop SPM motor manual • The radial load on the motor shaft must not exceed the values indicated in the corresponding table. See the section on radial and axial loads. • If the belt angle is not the right one, it may cause vibration or slippage.
  • Page 52 Fagor Automation S.Coop SPM motor manual • The rotor is dynamically balanced with the key inserted in the keyway. It is important that the pulley half-joint or rack be dynamically balanced [without the key] before inserting them in the transmission shaft.
  • Page 53 Fagor Automation S.Coop SPM motor manual Dimensions fig.6 Dimensions of SPM 90L motor...
  • Page 54 Fagor Automation S.Coop SPM motor manual fig.7 Dimensions of SPM 90P motor...
  • Page 55 Fagor Automation S.Coop SPM motor manual fig.8 Dimensions of SPM 100LBE motor...
  • Page 56 Fagor Automation S.Coop SPM motor manual fig.9 Dimensions of SPM 112ME motor...
  • Page 57 Fagor Automation S.Coop SPM motor manual fig.10 Dimensions of SPM 112LE motor...
  • Page 58 Fagor Automation S.Coop SPM motor manual fig.11 Dimensions of SPM 112XE motor...
  • Page 59 Fagor Automation S.Coop SPM motor manual fig.12 Dimensions of SPM 132L, SPM 132X and SPM 132XL motors...
  • Page 60 Fagor Automation S.Coop SPM motor manual fig.13 Dimensions of SPM 160M motor...
  • Page 61 Fagor Automation S.Coop SPM motor manual fig.14 Dimensions of SPM 160L motor...
  • Page 62 Fagor Automation S.Coop SPM motor manual fig.15 Dimensions of SPM 180MA motor...
  • Page 63 Fagor Automation S.Coop SPM motor manual INSTALLATION...
  • Page 65 SPM motor manual Ventilation General considerations All SPM series spindle AC motors have an electrical cooling fan that generates a constant air flow regardless of the motor turning direction. This assures proper motor cooling in all duty cycles. The motors can run at their rated current or peak current at low speeds without losing their specifications.
  • Page 66 Fagor Automation S.Coop SPM motor manual Terminal box or connector for the fan. Blue Black Brown SINGLE-PHASE FAN CONNECTION 220Vac - 50/60 Hz line fig.1 Terminal box or connector for the fan Characteristics of the fan Current Motor Single-phase V...
  • Page 67 Fagor Automation S.Coop SPM motor manual Motor connection - drive Connection of the SPM motor to the drive The motor is connected to the drive is through terminals U and W of the terminal box. It contains the following items: •...
  • Page 68 Fagor Automation S.Coop SPM motor manual MPC 4x ... power cable The table indicates the regulation applicable Section Max. current[ to servo drive systems installations. [ mm 12.2 Determines maximum current continuous duty cycle, admitted by three- 16.5 phase conductors in PVC hoses and installed on the machines through conduits and channels.
  • Page 69 Fagor Automation S.Coop SPM motor manual Mechanical characteristics of the power cable MPC 4x ... Type Shielding. Ensures EMC compatibility Flexibility High. Special for cable carryinig chains with minimum bending radius, at work, of 7.5 times its diameter. Cover PUR. Polyurethane resistant to the chemical agents used in machine tools.
  • Page 70 ] use this connector. The cable, with connectors, needed to connect the encoder with the drive module is the one referred to as EEC or EEC - SP and is supplied by Fagor. See sections: Encoder connection: EEC cable and EEC -SP cable.
  • Page 71 Fagor Automation S.Coop SPM motor manual PinOut of the encoder connector This is the pinout of the encoder connector E0C12 located on top of the motor. Signal Signal REFCOS - 485 + 485 TEMP CHASIS TEMP ---------- E0C 12 REFSIN + 8 V fig.5 Pinout of the encoder connector E0C 12...
  • Page 72 Fagor Automation S.Coop SPM motor manual Encoder connection. EEC Cable Ready Made Cable EEC 5/10/15/20/25/30/35/40/45/50 (Length in meters; including connectors) Signal Cable 4x 2x 0.14+2x 0.5 (HD, Sub-D, Green M26) Yellow REFCOS Blue Front View Pink REFSIN Grey +485 E0C 12...
  • Page 73 Fagor Automation S.Coop SPM motor manual With “ II “ type cable: Ready Made Cable EEC-SP 5/10/15/20/25/30/35/40/45/50 [ Length in meters; including connectors ] Cable 3x2x0.14+2x0.14+2x0.5 (HD, Signal Sub-D, Green M26) Yellow E0C 12 REFCOS Orange Front View Front View...
  • Page 74 Fagor Automation S.Coop SPM motor manual Mechanical characteristics of the cable for the encoder EEC Cable Type Shielded and twisted pairs Outside diameter 8.5 mm Flexibility High. Special for servo drive systems with minimum bending radius, at work, of 20 times its diameter [170 mm].
  • Page 75 Fagor Automation S.Coop SPM motor manual MAINTENANCE...
  • Page 77 Re-lubing of bearings: Fagor recomends the lube oil from KLUBER [ ISOFLEX LDS 18 SPECIAL A ] . Periodic inspections The maintenance and inspection periods, in general, depend on the type of bearings, dimensions, average speed and temperature conditions.
  • Page 78 Fagor Automation S.Coop SPM motor manual Always use the same lubricant for the bearings or one with equivalent specifications. Do not add too much lubricant so as not to generate high temperatures and contaminate the motor. Use the following formula to calculate the amount of lubricant for the bearing according to its outside diameter and its height: ⋅...
  • Page 79 Fagor Automation S.Coop SPM motor manual SELECTION...
  • Page 81 ------------- [ * ] The maximum power in S6 [ 40% ] will be 43.3 kW [ SPM 160L ] and 45 kW [ SPM 180 MA ] with SPD 3.150 drives. Note that these motor-drive associations must be considered to make the motor run in duty cycle: S6.
  • Page 82 Fagor Automation S.Coop SPM motor manual...
  • Page 83 Fagor Automation S.Coop SPM motor manual Selecting the motor and the spindle drive This whole motor selection considers 5 basic aspects that condition the operating characteristics of the motor - machine assembly. • Characteristics of the motor itself • Load demands •...
  • Page 84 Fagor Automation S.Coop SPM motor manual Motor identificaction plate [ label ] fig.1 Identification plate [ label ]. Description of the items on the identification plate [label]: 1. Serial number. 2. Mounting type. 3. Rated current in S1 / S6 [40%].
  • Page 85 Fagor Automation S.Coop SPM motor manual Sales reference Order identification for asynchronous SPM motors: SPM 100LBE . E 1 . 0 0 0 0 0 . 1 SPINDLE MOTORS, SPM xx.1 Example: SPINDLE MOTOR 2.2/3.3 MOTOR MODEL 100LBE 4/6 112ME 5.5/8 [ rated power 7.5/11...
  • Page 86 Fagor Automation S.Coop SPM motor manual...