BARUFFALDITOEMlivetoolturret8092.pdf

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1、Pagina N.Page Nr.EdizioneEditionS.p.A11-931Warning:All specifications included in thismanualmay be change without notice.TITLETOEMseries TURRETSTECHNICAL MANUALfor use&maintenancePagina N.Page Nr.EdizioneEditionS.p.A11-932INDEXArguments:TitleIndexApplication of the toolholder disk(important procedur

2、es)Identification plateMain characteristics of the turret series TOEMApplication of the toolholder disk on the turretApplication of the turret on the machineApplication of the motor for the rotating toolholderCoolant liquid feedElectric wiringLayout and connection of electrical componentsOperation d

3、iagram-Cycle descriptionEncoder code tableFunctioning of the turretAssembly drawing(section views)Turret disassemblyHints for reassembleLubrification&substitution of the coolant bushingSubstitution of motor unit,electromagnet,brake magnet&adjustment of the air gapSubstitution&adjustment of the angul

4、ar encoderSubstitution&adjustment of the pre-indexing proximity switchSubstitution&adjustment of the locking proximity switchOperation to be carried out in case the positioning cycle has not been completed(an emergency or accidental stop occurred)Recommended spare partsTable of data(rotating toolhol

5、ders,power take-off)Table of data(turrets)Performance diagramsProblems and remediesPagina:1234567891011121314-15-1617-18-1920-21-22-23242526272829303132333435-36-37Pagina N.Page Nr.EdizioneEditionS.p.A11-933By installing the toolholder disk the fixing of the rotating toolholders must not be made in

6、the working position(wherethere is the power take-off coupling)but in any other position.CORRECTPlug DIN 69880(size Z2)At the end of the toolholder disk installation,all DIN 69880 seats which are not occupied by fixed or rotating toolholders,must be closed with plugs DIN 69880(size Z2)and complete o

7、f suitable locking wedges.-You must absolutely avoid that chips or extraneous bodies get through the DIN 69880 seats or locking wedge seats:before removing the fixed or rotating toolholders from the disk,clean the interested zone with air jet.The respectlacking of these procedures can cause damages

8、and compromise the correct operation of the turret.CLINGSTRICTLY PLEASERotatingtoolholderNORotatingtoolholderAPPLICATION OF THETOOLHOLDER DISK(IMPORTANT PROCEDURES)WRONGWorking position(power take-off)Working position(power take-off)RotatingtoolholderRotatingtoolholderNot workingpositionLockingwedge

9、Pagina N.Page Nr.EdizioneEditionS.p.A11-934IDENTIFICATIONPLATEMotorpowerMotorsupplyvoltageMotorsupplyfrequencyType-turret sizeSerial numberNumber of poles in motorPagina N.Page Nr.EdizioneEditionS.p.A11-935MAINCHARACTERISTICS OFTHE TURRETseries TOEMRear cover(access to themotor,brake,encoder andterm

10、inal block)Turret sizeTOEM 120TOEM 160TOEM 200TOEM 250PG 13,5PG 13,5PG 16PG 16Power cable outlethole diameterThe turret series TOEM consists of a fixed part(casing)containing all the elements for indexing and a moving part(rotating ring gear)where the toolholder disk is installed.A coupling(power ta

11、ke-off)located behind the disk,operating in rotation through a supplementary motor,dragsthe toolholder spindle plated to it.The turret series TOEM,normally provided with 8 and 12 positions,change from a position to the following onerotating both in counterclockwise and clockwise direction.Toolholder

12、 diskSupplementary motor(for toolholder rotation)Power cable outlet hole(on the two sides)Fixing screws seatsHole for eyeboltTop cover(access to the electromagnet,pre-index-ing proximity,locking proximity,oil loading hole)Toolholder diskcenteringCoolant liquid inlet(on the two sides)Coupling(power t

13、ake-off)Pagina N.Page Nr.EdizioneEditionS.p.A11-936APPLICATION OF THETOOLHOLDER DISKON THE TURRETE Maximum depth ofthe drillable holes onthe rotating ring gearX Nominal dimensionC(mm)D(mm)E(mm)82881101309812815619415152020TOEM 120TOEM 160TOEM 200TOEM 250Turret sizeX+/-0,002Toolholder diskDCArea in w

14、hich holesare drillableX 0,02EThe toolholder disk is installed and fixed with screws,while its orientation is determined by suitable drilling andpinning.The DIN 69880 seats must be aligned with respect to the nominal dimension X foreseen with a maximum errorof+/-0,02 mm.It is even possible not to in

15、stall the dowels in order to allow,in case of impact,the slipping of the toolholder diskwith respect to the rotating ring gear;then the dowels can be lined up again.The picture represents the maximum allowable depth of hole on the rotating ring gear and the areas where theycan be made.Pagina N.Page

16、Nr.EdizioneEditionS.p.A11-937Lining up dowel(fulcrum)TOEM 120TOEM 160TOEM 200TOEM 250M 8M 10M 12M 16 6 6 8 8Washer thickness Q(mm)A (mm)Turret size AQAPPLICATIONOF THE TURRETON THE MACHINEThe mounting surface where the turret has to be installed must be clean and not damaged.Its flatness error mustb

17、e within 0.01/100 mm.If necessary adapt the height by inserting a packing plate under the base of the turret.By using the line-up dowel,mounted in suitable position and fixing screws almost fully tightened,line up the turret,or rather the toolholder disk,with the spindle axis,then tighten the screws

18、 and carry out a new control.IMPORTANT NOTEWhenever checking the lining up and the centre height of the turret or of the toolholder on it,the turret must be ina locked condition.If this rule is not followed,problems in the setting up will arise.Pagina N.Page Nr.EdizioneEditionS.p.A11-938By installin

19、g the supplementary motor for the toolholder rotation,make sure of the retaining ring presence 744between the flange and the motor and,meanwhile,verify that the idle gear 718 is mounted in the correct position;the position changes according to the requested transmission rate.Tighten with Loctite the

20、 screw(or screws)which fix the gear on the motor shaft.Tighten the screwswith Loctite LoctiteMotor gear 704 Motor(M)Retaining ring(O-ring)744APPLICATION OF THEMOTOR FOR THEROTATING TOOLHOLDERIdle gear 718Another installation position of the idle gear(according to the transmission ratio)Pagina N.Page

21、 Nr.EdizioneEditionS.p.A11-939RRBABUSHBUSHTOEM 120TOEM 160TOEM 200TOEM 2507590109,5134Turret sizeR(mm)BUSH 033113COOLANT LIQUID FEEDIt is possible to make coolant liquid feed holes on both sides of the turret,connect the feed pipe to the chosen hole.The not utilized hole for the coolant liquid feed

22、must be plugged.A bush 033 pre-loaded by a spring 113(installed on the power take-off side)transfers the coolant liquid from theturret to the toolholder disk.Pagina N.Page Nr.EdizioneEditionS.p.A11-9310Wiring inside the turret must be execute according to the scheme on page N 11.Wires must be arrang

23、ed carefully so that they cannot be damaged or stripped in any way,particularly when finallyclosing the rear cover 011.Suitable anchoring brands are provided for this reason below the terminal blocks andwe recommend their use,and their substitution with new ones in case of deterioration.The wires mu

24、st be kept close to the edge of the turret,any slackness being tucked away in safe spaces and fixedback with bands.The sides of the turret each have two threaded holes for electric cables and reception of their protective conduits.The unions and the conduits must be arranged and fixed in such a way

25、as to ensure that the liquid coolant cannotpossibly penetrate into the inside of the turret.Any holes not used for the passage of cable mustbe hermetically sealedELECTRICWIRINGAfter having finished the wiring carry out the test of correct phase connection of the AC motor(see page N 26)Pagina N.Page

26、Nr.EdizioneEditionS.p.A11-9311ABSOLUTE ENCODERBINARY code1 BIT2 BIT3 BIT4 BITPARITYSTROBE+24 Volt0 VoltScreenWhiteYellowGreenVioletRedBlackBrownBlueYellow/GreenEncoder model 10for TOEM 120-250Power supply 24 VoltDCRipple 10%Outputs PNP 50 mA max.Short-circuit protectionScreened cable123456789PRE-IND

27、EX ING PROXIMITY SWITCH+24 Volt0 VoltOutput160301313200BrownBlueBlack7810LOCKINGPROXIMITY SWITCH+24 Volt0 VoltOutputBrownBlueBlack7811Diam.12 mm L=45 mmPower supply 24 VoltDC Ripple 10%Output PNP-NOmax.300 mAShort-circuit protectionPRE-INDEXINGELECTRO-MAGNETOrangeOrange121324 Volt DC24 Volt 60 Watt5

28、0%EDTHERMOSTATIC SWITCHTemperature probesWhiteWhite1415Normally closed typecontact.(until 120C)175BRAKEBlackBlack1617150THREE-PHASE MOTORBlacks X Y ZRedRedRedY e l l o w/Green18UVW310TERMINAL BLOCK110 Volt 50/60 Hz220/380 Volt 50/60 HzGround24 Volt DC999200313150160999175310301CONNECTIONS&LAYOUTOF E

29、LECTRICALCOMPONENTSRef.Component-SpecificationColour-ConnectionType-NotesPagina N.Page Nr.EdizioneEditionS.p.A11-93OPERATIONDIAGRAM1210101010101010101010101t1t2ENCODERASSOLUTOABSOLUTEENCODER160301PROXIMI TY PRE-INDEXAGGIOPRE-INDEXING PROXIMITY SW.313 PROX IM ITY BLOC CAGG IOLOCKING PROXIMITY SW.200

30、ELE TTR OMAGNETE PRE-IN DEX.PRE-INDEX.ELECTRO-MAGNET175 FRENOBRAKE150 MOTORE TR IFASETHREE-PHASE MOTORCWCCWdalla Pos.1alla Pos.2t1t2dalla Pos.2from Pos.2alla Pos.11to P os.1160 ms Ritardo massimo ammesso60 ms Max.allowed delayt1=50 ms t2=200 msPos.1Pos.121 Bit2 Bit3 Bit4 BitParit/ParityStrobeto Pos.

31、2from Pos.1 CYCLE DESCRIPTION The above operation diagram shows the sequence to be followed in order to move from position 1 to position 2,in clockwise rotation(with the turret toolholder disk in front),and from position 2 to position 11 in counterclockwiserotation.The brake is first de-energised an

32、d the motor feed for rotation in the direction selected.When the falling wavefrontof the STROBE signal for the previous station is arrived at,the pre-indexing electromagnet is energised as quicklyas possible(within the maximum permitted delay time).With the electromagnet energised,the pre-indexing p

33、roximity switch signal is awaited,which confirms thatrotation has been halted by means of the index key.Upon reception of this signal the motor is immediately haltedand the rotation sense is reversed after a 50 ms pause.The locking proximity switch signal is then awaited,before halting the motor as

34、rapidly as possible and energisingthe brake(within the maximum permitted delay time).A safety check can be carried out at this point and consent for machining can be given,followed by electromagnetde-energising after a 200 ms pause.In order to make easier the entering of the take power-off with the

35、correspondent in the rotating toolholder,duringthe rotation of the disk(position change),the DC/AC motor of the rotating tools must be feeded in order that thetake power-off rotate at 500-700 RPM(please consider the ratio between motor and take power-off).NOTE:The maximum care should be taken regard

36、ing the permitted delays,particularly their repeatibility.(Delaysshould be measured directly on the turret component devices).Pagina N.Page Nr.EdizioneEditionS.p.A11-9313123456789101112A B C D PARITY STROBEPOSITION Power supply DC 24 Volt+/-10%Ripple 10%PNP Outputs(max.load 50 mA)BINARY code PARITY

37、Check and STROBE signal Reverse polarity protected Output short-circuit protected Connection to be made with 8-pole screened cable SPECIFICATIONSENCODERCODE TABLEA (1 BIT)B (2 BIT)C (3 BIT)D (4 BIT)PARITYSTROBE+24 VOLT0 VOLTS.p.AABSOLUTE ENCODERTYPE 10(TOEM 120 250)WHITEYELLOWGREENVIOLETREDBLACKBROW

38、NBLUEScreen YELLOW-GREENENCODER WIRING ENCODER CODE TABLEPagina N.Page Nr.EdizioneEditionS.p.A11-9314ORIGINAL SHUT-DOWN STATE OF THE TURRET:-Brake connected-Motor disconnected-Electromagnet disconnected-Rotating crown 003 linked to the fixed crown 002 through the short-circuiting crown 004.The dishe

39、d springs press,by means of three rollers on three cam ends of the short-circuiting crown,keeping theHirth teeth of the crown in contact.SEQUENCE FOR A CHANGING OF POSITION:Electricity is cut off from the brake and connected to the motor which,through reduction stages(the first coaxialand the second

40、 epicycloid),starts rotating the planetary roller ring 006 which stops,after a preset angle,against apositive stop.During this phase the central spring 034 pushes the short-circuiting crown back,causing the cam ends of the rollerto descend and thus disconnect the movable crown which is then made to

41、rotate by the pinion 008.Nearing the destination station,on the signal given by the angular encoder 160,the electromagnet 200 is excited andpushes the catch 017 to make it enter the appropriate pre-positioning recess in the divider 005 thus stopping therotation of the crown and the associated toolho

42、lder disk.The resulting shock is absorbed by the buffer pads 032.The completed insertion of the catch into the recess and consequent stopping of the rotation of the disk,is signalledby the pre-indexing proximity switch 301.Arrival of this signal causes the revers of the rotation of the motor,and thu

43、s also of the planetary roller ring 006;sothat the rollers rise on their cam ends and push the short-circuiting crown ahead,causing the Hirth teeth to engage.Passage of the external profile(i)of the planetary roller ring 006,activates the locking proximity switch 313,indicatingthat the turret is clo

44、sed,or,in other words,that the roller are on the extreme end of the cams.When this signal arrives current is cut off from the motor end the brake 175 goes into action to stop it.Immediatelyafterwards the electromagnet is deactivated,and consequently the catch is pushed out of the recess in the divid

45、erby the spring 047.301313006047200017160008310FUNCTIONINGOF THE TURRETPagina N.Page Nr.EdizioneEditionS.p.A11-9315Roller ring 006Turret locked(rollers on the high central part of the cams)The above diagrams show the phases corresponding to a clockwise rotation of the toolholder disk.The movement(or

46、 phases)with counterclockwise rotation are the mirror image of the above.Turret locked(rollers at the beginning of high level part of the cam).Proximity switch 313 triggers.Left-hand positive stop(for clockwise rotationof the toolholder disk)Projection of the roller ringProximity 313Right-hand posit

47、ive stop(for counterclockwise rotationof the toolholder disk)FUNCTIONINGOF THE TURRET(i)Sector of operation of the proximity switch 313(corresponding to the highest part of the cam)Turret unlocked(rollers on the bottom of the cam;Hirth teeth disengaged)Pagina N.Page Nr.EdizioneEditionS.p.A11-93R16Ro

48、tating toolholderSupplementarymotor (M)Cams (C )Power take-off(P)704718705FUNCTIONINGOF THE TURRET(TOOLHOLDERS ROTATION)STARTING CONDITIONS:-Locked turret-Push rod 700 on the cams protrusion(C)Spring 701Spring 702Roller 703Roller carrier 006-Power take-off engaged on the shown toolholder.With supple

49、mentary motor in rotation,the motion is transferred,through the gears 704-718 and 705,to the powertake-off(P)then to the toolholder(R).(R)DISENGAGEMENT SEQUENCE FROM THE TOOLHOLDER OF THE ACTUAL STATION AND REPLACEMENT WITH A NEWTOOLHOLDER OF ANOTHER STATION.During the phase of station change,the ca

50、ms(C)reported on the roller carrier 006 make with it a predeterminedangular rotation.The push rod 700 which cooperates with the cams(C)by means of the roller 703,by being pushed through a leverssystem from the spring 702,it comes down from the cams top.At the same time,under the action of the spring