Harrison M350 Machine Manual

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Transcript of Harrison M350 Machine Manual

manual machlneContentsSummarisedSPecifications Page No.

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lnstallation1) 2l 3) Generalarrangementand foundation pfan Installationinstructions Lubricationdiagram

4 5 8

Operation1) 2l 3) 4l Lathesafety diagram Controls instructions Operating Thread cutting

10 12 14 18

Maintenanceinstructions 1) MaintenanceI

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Parts Section1) 2l 3) 4l procedure Parts ordering list contents lllustration partsillustrations Spard partscodelist /Proprietary Standard

31 32 33

ElectricalWiring Diagram

Summ arised specificationCentresSwing Over Bed 380mm (1S i n) Ovgr CrossSlidg . . . . . . . . . . . . . . . . . . . 240mm (9,5in) fn gap Diamgtgr..,...,..... i...... . 995mm(23i n) Length !............ 150mm(6i n)

Spindle

Speeds Motor

B o rgdto P ass. . . . . . . . . . . . . . . . . . . . b4mm (2.125i n1 . N osg...,............ ...,.... D l -6C aml ock MorseTaperin NoseBush. . . . . . . . . . . No. 4 N u mbgr........,.. .......... lz R ange ................... 40-2200R pM 3.7K W(S H p)D OL Electriccontrol 1 8 00rpm @ 60H z . . . . . . . . . . . . . . . . S .SK W (7.bH pl Clutch control D i amgter. .... ..... .. . .. . ... .. .. . T h rgad............ .............. (51)... ......... Metri cP i tches (56) . Engl i sh i tches P ........... (2Ot. M o dul eP i tches .... ... .. .. ... .. (20) .............. D i a metral i tches P Mgtri c(31) . . . . .. . o. . . . , . . . . . . . . . . (31)...... En gl i sh .... Cross Feeds Half Longitudinal Values 32mm (1.26i n) 6mm pi tch or 4Tpl From 0.2 to l 4mm pi tch From 2tob6 Tpl From 0.2 to 3.b Mod Fromgto 56 D p From .03 to 2mm/rgv From.0012to.0g i n/rev 1 500rpm @ 50H z . .

Leadscrew

Threads

Feeds

Bed

Cross Sfide Top Slide Tool Tailstock

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Weight StandardEquipment

Wi d thoverw ays.. . .. . . . . . . . .. . .. . 300mm (l l .gi n) D e pthunderheadstock. i . ......... . 4l 0mm (16i nl Depthundersaddle . . . . . . . . . . . . . . . 27}mm(l0.6in) . Wi d th................ ....... 180mm(7.1i n) T ra vef ..... .. ... . ... . .. .. . .. .. . . 22i mm (8.8i n) . W i d th ............ ....... l 06mm (4.l i n) T ravel .,....... ....... .... ....... 120mm(4.7i n) Ma x.S ecti oJ]. . ., . . . . . . . . . . . . . . . . . 2}x25mm (0.7S x l i nl . Ouill - Diameter . . . . . . . . . . . . . . . . . G3mm(2.48in) . Travef ............ ..... 140mm(S .bi n) MorseTaper.... .... N o.4 Se t-Over... . .... . ... .... . . ... .. .. 1 12mm (0.5i n) 1 0 00mm(40i n)crs.... .... . 12i l kg (27bgl b) 1 5 00mm(60i nl crs.... .... .... . 1404kg (30g8l b) Single Toolpost Work DriverPlate Spindle CentreBush 2 No 4 MT centres Fuff LengthRearSplash Guard Gross weight 1508 kg (ss l8lbl 1 7 59kg (38z0l b) ChuckGuard Instruction SparePartsManual & Spanners, Keysand Oil Gun Accuracychart

Shipping Data 1000mm(40in) crs 1500mm{60in}crs

Packing caseDimensions LxW xH 2.24m(88%" t .22m(48") t .4m(54"/o"l ) 2.74m(.l 08" ) 1.22m(49" ) t.4m( il3/ o"l

lllustrated or specified data is not binding in detait. The manufacturers reserve the right to modify clesign, specification an6 price without notice.i

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Lifti ngTheapproximate weights the machine of are: (40in) 1000mm between centres model- 1254kg (27sglbs) (60in) 1500mm between centres model 1404kg (3088lbs)

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The machine shouldbe lifted usingropeslingsas shown - with the rearsplashguardremoved and with the carriage tailstock and assemblies displaced despatched) {as towardsthe tail endof the bedto givean equilibrium condition underthe liftinghook.

Cleaning

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Brightsurfaces coatedwith an anti-corrosive are compound despatch this mustbe at and completely removed usingwhitespiritor paraffin {Kerosene) beforeoperating controls the or moving slides. NOTUSECELLULOSE the DO SOLVENTS. the brightsu.faces slideways Oil and (see AFTER CLEANING Lubrication Diagram).

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Positioningand LevellingLocatethe machine a solid foundation on allowingsufficientareafor operation and mainten(S . AN CACCE S SE EGE NE RA L RRA NG E ME NT ND F O UNDA T I O N L A N} . E A A P The lathemay be usedwhen free standing, for maximumperformance shouldbe bolted but it down. (1) Freestanding. Position the machine its foundationand adjusteachof the four on levelling screws take an equalshare the weight.Then usingan engineer's to of precision levelon the bedways makefurther adjustments levelconditions. for Fixed installation. Positionthe machine over four 16 mm (5/8") diameter l2l foundation (S b o lts, to suit the base. EEG E NE RA L RRA NG E ME NT ND F O UNDA T I ON set A A PLA N}. Accurately levelthe machine in (1), then tightenthe foundationbolts evenlyto avoid as distortionand finally re-check levelconditions. for

ElectricalSupplyprotection the machine Over-current for supplyconductors to be provided userasfollows is by (preferably througha fusedisolator sighted the originof the mainsupplycable)recommended at fusebeing:3 phase supply 22OVolt 380-440 Volt 5.5kw motor (clutchcontrol) 35 Amp 25 Amp 3.7kw motor (electric control) 25 Amp 20 Amp External wiringshouldbe of a permanent character be undertaken a competent and by electrician. (looking Electrical entryis at the R.H.sideof the controlcabinet from the rearof the machine). Lineconnections shouldbe to isolator terminals a substantial and earthcontinuityconductor p a n e (S E EE L E CT RI CA WI RI NGDI A G RA M ) . l m u stbeco nnected the earth to L terminao n t h e l Machine with clutchcontrol- Motordirection mustbe CLOCKWISE looking driving on end,(SEE D IREC TION RROWON MA CHINE RA ME ). A F Machine without clutchcontrol- Motor directionmustbe anti-clockwise.

Lubrication (nrrrRTo rHELUBRTcATToN DTAGRAM)On machinewith clutch control headstocklubrication is by a pump from an oil reservoirmounted on the machinebase. On machinewith electriccontrol headstocklubrication is of the splashtype. gearboxand apron are filled to the level of the relevantoil sight Ensurethat the headstock, windows - operatethe centralised slidewaylubrication systemby pulling and releasing knob the at the bottom corner of the apron and oil the cross-slide nut, dials and changewheel stud etc. oil through the appropriate nipplesusingthe oil gun provided. Machine with clutch control of On startingthe main motor check for evidence oil flow at the headstocksight glass.

Running - i nForoptimumbearing and performance is recommended highspindle life it that speeds avoided be duringthe initiallifeof the machine. procedure Alternatively running-in a shouldbe adopted follows:as Makea low feedrateselection run the machine and lightfor 3 hoursat 520 rpm thenfor2 hoursat1080rpm thenfor t hourat 1530rpm

Lubrication

Check for flow when motor is running DurchfluBnachprufen, wenn Motor lauft Verifier le debat lorsquele moteur tourne

Cfutch Control - 22.7 litres ElectricControl - 3 litres

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rl;c 1.2 aitres

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DTE OIL HE AV Y MEDIUM DTE E XT R A HEAVY

EN ER G OL HY S P IN H L P6 8 AWS68 (1 0 ) 5 EN ER G OL A LPHA H P1 5 0 ZN 220 fi 50)

TE LLU S 68 ORR 68

RANDO H D68

R E GA L R& 0220

Check levels and oil daily Schauglas und 0l tdglichuberprufen quotidiennement Verifierles regardset graisser

Operation

Lathe Safetyof and production the M350latheto complywith Every effort hasbeenmadein the design tool. a safe and statutory safetyrequirements to provide fundamentally machine shouldbe givento the followingnotes:of In the furtherinterests safety,attention

A.

MachineCapacity

on are only whichcan be accommodated the M350lathe limited of Thedimensions a component pointswith for itselfbut responsibility the following of restrictions the machine by the physical rest mustinevitably with the user. a to respect machining component (1) Ensuring the operator hadsuitable the degree of training and possesses required has that the undertake work. to skilland experience i.e. steadies, equipment, chucks, and/orsupporting work holding suitable Ql Providing etc. revolving centres, (3) Ensuring suitable mounted. and correctly toolingis provided that (if the (4) Ensuring suitable are feedsand speeds selected in doubtselect lowest). that (5) Providing used. guards that theseareconsistently and ensuring workpiece suitable

B.

Lathe Safety Rules

(1) Read to notesbeforeattempting usethe machine. operation and understand clean. Ql Keeplathework areas (31 Keepareasurrounding tidy' machine 1 ( 4 ) EN SURE OU K NOWHOWTO S T O P HEMA CHI NE E F O RE T A RT I NG T . B S T Y (5) Do not interchange lathes withoutchecking mountingitemsbetween chucksor otherspindle notes). for correctlocking(seeoperational (6) Useonly'highspeed'chucks. (seeoperational notes). permissible of speeds faceplates 17l Notemaximum (8) Remove afteruse. chuckkey immediately (91 Checkloadcapacity revolving centres. of (10) Ensure machine. beforestarting guardsarein position workpiece (11) Do not usecracked chipped tools. or (12) Check- Spindle motors. before starting controlleveris in stopposition speedselected. Spindle Feedrateselected. Direction feed,andthat of the beforestarting spindle. are FeedI threadcuttinglevers disengaged HA ( 1 3 ) STOPMA CHINE UNE X P E CT E D P P E NS . IMME DIA T E LA NY T HI NG Y (see notes). operational (14) Do not usecoarse speeds feedrangeon highspindle (15) Do not change is whenspindle rotating. speeds spindle or (16) Do not touchrevolving chuck,spindle, workpiece. the (17) Do not remove withoutretreating tool to a safeposition. work f romthe machine machine unattended (18) Stopmotorsand switchoff isolator when leaving '

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C. PersonalSafety Rules(11 Report however anyaccident, small,immediately happens. it l2l Wear safetyglasses. (3) Wear safetyshoes. (41 Usebarrier provided. creams (5) Wearyouroveralls buttonedup. (6) Rollsleeves or buttonthe cuffs. up, 0l Keephairshortor weara cap. (8) Usethe correctsizespanners alltimes. at (9) Be careful , and remove possible, of if burrsand sharpedges. (10) Usethe correcttypeof slingwhen liftingworkpieces, the correctsafeworkingloadand of it ensure is not worn or damaged. (11) Standclearwhen liftingworkpieces equipment crane. or by (12) obtain assistance when mountingheavyor awkwardlyshapedworkpieces. (13) Do not wearrings,watches, ties,etc. etc.) in overallpockets. n4l Do not keeptools(scribers, (15) Do not remove guardsunless machine stationary. is (16) Do not washhandsin coolant. n7l Do not removeswarf with barehands,usea rakeor brush. (181 Do not manually hearry lift equipment. (19) Oo not usefiles,scrapers, withouthandles. etc. (20) Do not leanon the machine. (21) Do not interfere with electrical equipment.

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1. 2. 3. 4. 5. 6. 7, 8. 9. 10. 11. 12. 13. 14. 15.

Feed Selector Dial Feed Selectors (3) Feed-Direction/ Th read-Hand Selector Mains lsolator (at Rear) Speed Selector Dial Speed Range Selector Lever Start Pustrbutton (Main Motor) Stop Pushbutton (Main Motor) Emergency-Stop Pushbutton Brake-ReleasePushbutton Coolant-Pump Pushbuttons H ydraulic-Pump(sl Pushbuttons* Power-Ch u ck Pushbuttons* Top-Slide Lock Screw Cross-Slide Lock Screw (on R.H. of Crosslide) Top-Slide Traverse Handle Cross-SlideTraverse Handle Carriage Lock Boft Tailstock Ouill Lock Quilf Traverse Handwheel Tailstock Auxiliary Clamp Bolt Tailstock Set-Over Screw Spindfe Control Lever CarriageTraverse Handwheel Feed Axis Selector Feed Engage

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16. 17. 18. 19. 24. 22. 73. 24. 25. 26. 27. 28. CentralisedLubrication Knob 29. Threadcutti ng Engagement 30. Feed Trip Adjustment*When fitted

On machine with electric control the above are identical with the exception of :7, 8. not included s up p l y o n l a m p

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Starting the Machine**1. 2. Ensurethat lubrication has been carried out in accordancewith the Lubrication diagram. Check - that the spindle controllever(24)is in the central(stop)position, feed the engagement lever(27!.and threadcutting engagement lever(29)arein the disengaged positions that the changewheel guardis firmlysecured place. and in

3a. Machine with clutch control (4) Switchon the electrical supply- at the mainsisolator andpress mainmotor start the (7) pushbutton - when'motorrunning'will indicated thisbuttonbecoming be by illuminated. 3b. Machine with electriccontrol (4) Switch the electrical on supply the mains at isolator when'SUPPLY ON'will be indicated by the white lamp(8) mounted the controlstation. on 4. Select spindle is speed(onlyrvhenthe spindle stationary) f irstturningthe threeposition by rangeselector lever(6)to present appropriate the speedrangeon the top segment the dial, of thenturningthe speedselector {5)to pointto the required dial speedwithinthissegment (engagement the gearsmay be assisted pressing brakerelease (10) pushbutton of by the andturning spindle hand. the by (101 become pushbutton NOTE:Brake will illuminated flashwhen pressed, release and to indicate that the spindle f ree - and may 'creep'.Thiscondition is may be cancelled by 'inching'the spindle controllever(241. lower selector handle(3). of Select- Directionof feed- by means the headstock by of or Select FeedAxis - ie cross longitudinal means the apronpushpull knob (26). (in Select - feedrate*,by referring the chartson the headstock selecting the sequence to and (2) positions the f eedselector ( 1)andlevers (engagement listedlthe appropriate on dial of the feedgearsmay be assisted 'inching'thespindle by usingthe spindle controllever(24)) (10)andturningthe spindle hand. pushbutton or pressing brakerelease the by Start the spindle - in the direction rotationrequired lowering of by: {for forward)or lifting (forreverse) 'gated'spindle (24l.on carriage. the controlJever the of lever(27). Start and Stop the feed motion as requiredby means the feedengage Stop the machine - by returning spindle the controllever(24)to its central{stop)position pushbutton. or: Press emergency the stopNOTES * FeedSelections (i.e. by calling selector from the Charts automatically disengage leadscrew the driveat the gearbox for position - andfor minimumwearthe threadindicator shouldbe disengaged swingingthe pinionout of meshwith X) dial by the leadscrew when not in use. ** SeeInstallation (RUNNING-lN) starting machine the first time. Instructions if the for

5. 6. 7.

8. 9. 10.

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I ll! !OperationalNotesCHUCKS FACEPLATES useonly highspeed types NOTE MAXIMUMSPEEDS 740 rpm for 350mmdia & 360 rpm for 550mmdia (i.e.whenchangewheels inverted in setup'G'or'H'l are as S HO UL D TB EUS E D N T HEHI G HS P E E D NG E , NO O RA i.e.ABOVE520 R.P.M. (for aredirectreading work piecediameter reduction the on crossslide)and areof the frictiongrip type for easyindexsettings is provided the form of socketscrews(23)mounted in oneeach sideof the tailstock body - a similar 'location-screw' but is providedin the rearfaceof the body. Set-overadjustment achieved follows: is as (20) Unclamp tailstock-lever and bolt (22).Slacken rear (say 'location-screw' one halfturn)then simultaneously slacken one 'set-over screw'andtightenthe otheruntilthe required settingis obtained. Retighten rear'location-screw'. the may be disengaged pullingit outwards by from the carriage face. a trip deviceis incorporated the carriage in which affords protectionagainstaccidental overloadand also permitsfeeding up to fixed stopswith automatic dis-engagemenq trip loadsetting the (30) on the apron. is by means the adjuster of It is recommended the setting selected suit the that be to particular cutting load conditionand not permanently adjusted to its maximumload setting otherwisepremature wear to the feed drive components ensue. will Adjustment trip loadis asfollows:of Stopspindle Engage feed lever(27) With a screwdriver pushin adjuster (30) against lightspring rod the loadand slowly turn until the dog is felt to engagts as-sociated the nut andcontinue turn to the required to setting.clockwise adjustment increases trip load. Ensure the that when the screurdriver is withdrawn adjuster returns the out position. the rod to

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COARSE FEED RANGES-

MICROMETER DIALS TAILSTOCK SET-OVER ADJUSTMENT

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CARRIAGE TRAVERSE (25) HANDWHEEL FEED TRIPDEVICE

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and MOUNTINGOF CHUCKS,FACEPLATES other SPINDLEMOUNTEDATTACHMENTS faceson bothnoseand Ensurethat the location clean arescrupulously attachment ' position the release Check that allthe camsarein ( Fig .1) . noseand on Mount the attachment to the spindle ' using lockeachcamby turningit clockwise key provided. the on be line A reference Rl (Fig.1)should scribed with the to eachchuckor faceplate coincide nose.Thisassists line reference R on the spindle ng re-mounti subsequent NOTE: eachcam Forcorrectlockingconditions musttightenwith its indexlinebetween the two veemarkson the nose(Fig 2l . ' OR CHUCK S OTHE R D O N OT INTER CHA NGE LATHES BETWEEN ITEMS MOUNTING SPINDLE CA E CHECK ING A CH M FORCOR RE CT W I T HO U T L O CKING .

STUDS' TO ADJUST'CAMLOCK (B). Remove Lockscrew Turn Stud (A) one full turn, in or out ired. as requ (B). Re-fitand tightenlockscrew N OTE: on A datumring (C) is marked each or guideto the original studas a initialsetting.

Spindle Nose

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Thread-cutting

Machine Thread plates

F.2 CR lW .2 2 5 CR2 W .3 CR6 W .3 5 .4 .4 5 .5 .5 5 .6 .6 5 .7 .7 5 .8 CRSW CSl W CS2 W CS3 W CS4 W CS6 W CST W CSBW BR6 W cT l W 1 .1 1 .2 1 .25 1 .3 1 .4 1 .5 1 .75 2 ,O 2 .25 2 .5 2 .75 3 .0 3 .25 3 .5

FC T4W C T6W B S 3W B TTW C TB W 8S 6W BSBW B Tl W B T2W B T3W B T4W B T6W B TTW B TB W

m mm G3.6 4.O 4.4 4.5 4.6 4.8 5.0 5.2 5.5 5.6 5.75 6.0 6.5 7.4 8.0 C T2W C T3W cT4W B S 2W C TS W C T6W B S 3W C TTW B S 4W C TB W B S sW B S 6W B S TW BSBW B Tl W

9.0 BT2W 10 BT3W 11 BT4W 1 1. 5 B T S W 12 BT6W 13 BTTW 14 BTBW

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rnsF56 52 48 46 44 40 36 32 28 26 24 23 22 2A 19 ATB Y AT 7 Y AT 6 Y AT5 Y AT 4 Y AT3 Y AT2Y AT l Y ASBY AS7 Y AS6 Y ASSY AS4 Y AS3 Y BR lY

F1B 16 1413 12 11 1I 10 9 8 AS2Y ASl Y ARBY A R TY A R 6Y ARSY A R 4Y A R 3Y A R 2Y A R 1Y 7 6'/, 6 5"/o 5% 5 4% 4 3Y , 3% 3 ASBY AS7 Y A S 6Y AS5 Y A S 4Y A S 3Y A S 2Y ASl Y ARBY A R TY A R 6Y 42 39 33 30 27 21 A TS Y A TTY A T4 Y A T3 Y A T2Y ASSY

191% AS7 Y 16Y , A S 4Y 15 A S 3Y 13Y , A S 2Y 1O'/, A R B Y 9% A R TY 8% 7'A 6% A R 4Y A R 3Y A R 2Y

z!2% 2'/, 2% 2

ARsyA R 4Y A R 3Y A R 2Y A R 1Y

NdpH56 48 44 40 36 32 28 26 24 22 20 18 AT SY AT6Y AT 4 Y AT3 Y AT 2 Y AT l Y ASB Y AS7 Y AS6 Y AS4 Y AS3 Y ASf ' r 16 14 13 12 11 10 9 8

N mo dHA S 1Y AR8 Y A R TY A R 6Y A R 4Y A R 3Y A R 2Y A R 1Y .2 .25 .3 .35 .4 .5 .6 .7 .B .9 1.0 1.25 CR lW C R 3W C R 6W CRSW C S1W C S 3W CS6W CSBW C Tl W CT2W BSl W B S 3W

1.5 BS6W 1.75 BSSW 2.O BTlW 2.25 BT2W 2.5 BT3W 2.75 BT4W 3.0 3.5 BT6W BTBW

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C h a n g ew heel C om bi nation s

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machines. metric leadscrew

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dp 14 15 16 16.5 ARSYF ATSYG AS3YI ASl YFAS4YI

0.2 ] CRlW F 0.?25 cRatt/F 0.25 CR3\ruF 0.275 CR4WF 0.2875CRsWF 0.3 ]CR6WF 0.325 ICRnV F 0.35 1 CR8\ruF 0.4 l CS lW F 0.45 ICS2WF 0.5 ICSSruF ll 0.55 ] CS4WF 0.5625 l BR2WF 0.575 l CS5WF 0 .6 CS6WF 0.625 BR3WF 0.65 CSil/VF 0.6875 BR4WF 0.7 CS8\ffF 0.71875 BRSWF 0.75 BR6WF 0 .8 CT lW F

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2.2 CS4WG 2.25 BTzWF 2,3 2,4 2.5CS5WG CS6WG BT3WF

2 2.25 2 .5 2.75 2.Ws 3

AR lY G AR2YG AR3YG AR4YG AR5YG AR6YG

3.25 ARTYG 3 .5 ARSYG

17.25 ASsYI 18AS2YF

2.6 CSTWG 2.75 BT4WF

0.2 0225 0.25 4.275 0.2875 0.3 0.325 0.35 0.4 0.45 0.5

CRlWH CRzWH CR3WH CR4WH CRSWH CR6WH CRTWH CRSruH CSlWH CS2WH

I I 10 11 11.5 12 13 14

ARl YH AR2YH AR3YH AR4YH ARSYH AR6YH A R TY H ARSYH ASlYH AS2YH B Rl Y H AS3YH AS4YH ASSYH AS6YH ASTYH ASSYH A Tl Y H AT2YH AT3YH AT4YH ATSYH C Rl Y H AT6YH ATTYH ATSYH

CS3ruH

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AS lY G AS2YG BRlYG AS3YG 22 23 24 26 27AS4YF

2.8 CS8\ruG 2.875 BTSWF 4 .5 3BT6WF 4.75 5

19 19.5 20 21

BRIYF ASTYI AS3YF ASSYI

3,2 C T l WG 3.25 BTTWF 3.5 3.6BTSWF CT2WG BS l W G CT4WG BS2WG CTsWG ATSWG CT6WG BS3WG CTTWG BS4WG CTSWG BSsWG BS6WG BSTWG BSSWG BTllVG BT2WG BT3WG BT4WG BTSWG BT6WG BTTWG BTSWG

AS4YG 5 .5 5.75 ASsYG AS6YG 6 ASTYG 6 .5 I 6.75 AR2Y ASSYG 7 A R3Y I ARlYF A T lY G I 8 .2 5 AR4Y 8.625 ARS Y I A R 2Y F 9 AT2YG AR6YI 9.75 AR TY I AR3YF 10 AT3YG 1 0 .5 AREYI AR4YF 11 AT4YG 11 .5 ARSYF ATsYG 1 1.8 7 5 C R l Y G AR6YF 12 AT6YG 7 ,5 8ARl Y I

ASsYF AS6YF ASTYF AT2YI ASSYF AT3YI A Tl Y FAT4YI ATSYI

0.8125 BRNruF 4 0.875 BRSWF 0 .9 4.4 CT2WF

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4.5 4.6 1 B S lW F 4.75 4.8 5 CT4WF 1 .1 5.2 5.5 1 .1% BS2WF 5.6 1.15 CTSWF 5.75 6 1.1875 ATEWF 6.5 CT6WF 1 .2 7 8 1 .25 BS3WF I 1 .3 CTNruF 10 1 .375 BS4WF r1 .5 CTSWF 11 1 .4 12 1.4375 BSSWF 13 BS6WF 14 1 .51.6 CS lW G 1.625 BSTWF 1 . 75 BS8\ruF 1 .8 CS2WG

30 32 33 34.5 36 39 40 42 4 46 47.5 48 52 56

AT2YF ATTYI AT3YFATSYI

AT4YF ATsYF Y CR1 F AT6YF ATTYF ATSYF

B R IW H 16 CS4WH 0.55 0.5625 BRzWH 0.575 CS5WH 18 CS6WH 0.6 0.@5 BRSWH 19 CSTWH 0.65 0.6875 BR4WH n CS8\ruH 0.7 0.7185 BRsWH 22 BR6WH z3 0.75 C Tl W H 24 0.8 0.8125 BRTWH 0.875 BRS,VH 26 CT2WH 0.9 B S l W H 28 I CT3WH 1.1 CT4WH r. r2 5 BS2WH 32 1.15 ICTsWH 1.1875 IATSWH 1.2 lcrowH 36 1.25 lBs3WH 1.3 ICTTWH 1.375 lasawH 40 1.4 lcrswH 1.4375lBsswH 4 1.5 IBS6WH 46 1.625 laszwx 47.5 1.75 lBss\ruH 2 IBTlWH 2.25 lBr2wH 52 2.5 IBT3WH 2.75 larcwH 56 2.875 lBrswH 3 IBT6WH 3.25 larzwn IBTSWH 3.5

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ARTYF ATTYG I AS2Y

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(A) METRIC THREADS on METRIC LEADSCREWMACHTNES or ENGLISH THREADS on ENGLISH LEADSCREWMACHINES For these threads it is recommendedthat the "thread indicator dial" be used'- this allows the leadscrewnuts to be disengaged at the end of each screwcuttingpass,provided that they with the chart mounted on the re-engaged accordance in face of the dial unit.

METRIC LEADSCREWMACH INES (METR lC THREADS ONLY) The chart shows:I

Dnmmm225 l8 l5 25 16 l-8 75 16 l-8 16 I I r 1 25 20 1357 I 5 16 I I 16 1357 t 6 r 75 14 15

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in column 1.

mm pitch to be cut.

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in column 2. (l) The number of teeth in the 'pick-off gear' (this arrangedto mesh with the leadscrew, being selectedfrom the stack, stored on the bottom of the dial spindle). in column 3. The dial numbersat which the leadscrew nuts may be engaged.

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2 25 3 35

16 20 l6 l4

I 8 I 357 rr l -8 l2 r5 14

{ {5 5 55 6 7 I I r0

*

16 l-8 l8 l5 20 1357 22 l5 t6 l - 8 1415 16 1357 t8 1 5 2a 1357

221516 I I 14 15El2

fllll0i""ENGLISH LEADSCREWMACHINES (ENGL]SH THREADS ONLY} The chart shows:in column 1. in column 2. T.P.l. to be cut. nuts Dial numbersat which the leadscrew may be engaged.I r0 | 357 t f " I tf l t5 l2 4 l8 r3 4t, r5 t{ 5 r357 t 6 6 r8 tE 7 r35/ t 9 1\ r5 20l8 l5 I

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22 1 3 5 / 2t l8 26 1 3 5 727 r5 28 r 8 30 r357 32 r - 8 36 t0 l8 I I f4 1 3 5 74 8 r 8 56

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( Bl EN GL IS H MA THRE A DSon ME TRICL E A DS CRE W CHI NE S or MA L M ETRICTHRE A DS E NGLTS H E A DS CRE W CHI NE S on throughtrUt cuttingof anyonethread. the nutsarekeptengaged Forthesethreads leadscrew the 'spindlecontrol lever'l24l at eachend of the This involvesreversing wholedrive by meansof the passwhilstat the sametime relieving increasing cut as required. the or the screwcutting (Threads may alsobe cut by this method). 'A'

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dial Thread-cutting21

Drive Belts (Fis. and2l lAccessto the DriveBeltsis gainedby removalof the mouldedEnd Guard,when Vee Beh tensionmay be assessed applyingfingerpressure each Beh in turn at a point midway by to (Fig. 1). For correcttensiona deflectionof about 10mmshouldbe betweenthe two Pulleys possible eachBelt. in To adjustthe Vee Behtension - release Lock Nutson the two AdiustingScrews(Fig.2) the and alternatively slacken one Screwand tightenthe other againstthe Motor Platformuntil the correcttensionis obtainedthen re-tighten two Lock Nuts. the Machine with clutch pump is by link type belt and if adjustment Driveto the lubrication becomes necessary one link''should removed. be

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F ig .2 Brake Electro-Magnetic from the fail to safetyelectro-magnetically life is A considerable expectancy assured by the duty cycleto which the latheis subiected. this beingdetermined operated brake, torqueis diminutionin braking only becomes necessary whena noticeable Adiustmentapparentand is as follows: 1. Stop spindle. 2. Removerear splashguard. pushbutton and with feeler gaugecheck air gap between face of brake 3. Press brake release

plate. discandflange srnritch. 4. Switchoff pwverat isolating (3). (3) spacers the cap 5. Remove headscrews to separate brakeand remove gapless air 0.15mm(.006"). by len0thof spacers an amountequalto the measured 6. Reduce that are that the spacers of equallengthit is recommended this be done by To ensure grinding. surface (.004"/.006"). that 7. Re-assemble re-check air gapis O.1lO.1Smm and on of 8. Whenthe friction material the faces the brakedischasworn awaythen further lt and is adjustment not possible the discmustbe replaced. shouldbe notedthat whichwill require disc with a replacement will be a setof overlengthspacers included producethe air gapasdescribed above. to to be shortened

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IlDriveClutchesAccess l. Diagram Switchoff power on ControlLever124 Controls (1I Disengage at Clutches Spindle at supply Mainslsolator. as Cover follows:Headstock Ql Remove Mat' Rubber Remove Fixing Screws. Remove

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Adiustment (Fig. 3 and 3al i.e. R.H. for forward L.H. for reverse. (1) SelectClutchto be adjusted, (21 slide back Knurled Lock Ring (A) and rotate one notch at a time in direction of arrow to tighten. (3) Resetlock ring.

T DA S MA N OTE : OV E RA DJUS TME NT Y CA US E E RI O US MA G E O E L UT CHE S .

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Saddle Keep Strips tFis.4tFourself{ockingAdiustingScrewsare providedwhich operateindependently. Thesearethe SlottedHeadScrewslocatedundereachend of both the front and rearSaddleWings. The procedure adjustment for beingto turn each Screwin turn (clockwise take up play)until to required settingis obtained. Traverse Saddleby handover full travelat eachadjustment be sureof an evenaction. to Note 5omovementof the AdiustingScrewwill provideapproximately .017mm(.002n)take up of playin the Strip.

Fis. 4

GrossSlide Ways (Fis. ElWear in the CrossSlideWays must be adjusted by meansof the 'Taper-Gib for Strip' asfollows:Turn the SlottedHeadScrewon the FrontFaceof the CrossSlidein a clockwisedirectionto tightenthe 'Gib' - the procedure being,to firstslacken similar the Screwin the RearFace, then re-tighten afteradjustment lockthe 'Gib'in its new poshion. this to

Fig. 5

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Cross Slide Nut (Fig.6lfor in of Provision madefor the elimination backlash the CrossSlideNut,the procedure is beingasfollows:adjustment oneof the groupof three,in the whichisthe L.H. Rear Screw Remove onlythe M 12'Blanking' Slide. top faceof the Cross Adjusting Screwto givethe Insert screwdriverintothe tappedholeandturn the Captive a adjustment. for required setting- clockwise positive Screwwill provide sincea 90oturn of the Adjusting Care shouldbe takento avoidoveradjustment (.007in) takeup of backlash. .017mm approximately CrossSlideby handoverfull travelto be sureof an evenaction. Traverse Screw. Re-fit M12Blanking Dial'. on 'Recommended is working backlash oneanda halfdivisions the Micrometer

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Top Slide Ways(rig. z)Wearin the Top SlideWaysmay be adjusted by means the Taper-Gib for of Stripas follows:Turnthe SlottedHeadScrewat the 'Micrometer Dialend'in a clockwise direction tightenthe to 'Gib' - the procedure beingto firstslacken similar the Screwat the opposite end,then re-tighten this afteradjustment lockthe Gibin its new position. to

Fig.7

Tailstock Bed Glamp (Fis.8tThe AngularLockPosition the BedClampLever adjusted means the Self-Locking of is by of Hexagon Bolt located the underside the Tailstock on of FrontClampPlate and between the Bedways. Turn clockwise increase to clamping action. Theauxiliary ClampBoltneeds adjustment is simplytightened givean additional no and to lockingactionwhen required.

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LeadscrewTorqueLimiting Deviceand is to Thisunit (mounted the L.H. endof the leadscrewl provided protectthe gearbox at the in end drivefrom damage the eventof a 'collision'during threadcuttingcycleand is carefully is from our works. torquebeforethe machine dispatched setto a pre-determined slipping DURI NG RMA L EO FT H E NO US T THEU SE R A DV IS E D IS NOTTO D I S T URB HI SS E T T I NG EVENT A DEPARTMENT THEUNLIKELY IN OF MACHlNE, BUTTO CONSULT OURSERVICE PRO BLE M. however asfollows: Adjustment may be achieved 1. 2. 3. R. Slackenthetwo M4socketgr u b s c re ws o n t h e H.O . D.o f t h e u n it . to slipping torquelby means the two of Turnthe inneradjusting ring (clockwise increase holesin the R.H.end faceof the unit. Re-tighten two M4'Locking'screws, the O.D. of the shell. on the

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in An assessment the slipping of torque can be madeby holdingthe apronhandwheel orderto stop the saddlemovementwhilstthe screwcutting traverse in operation. is

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The spindlebearingassembly carefullyset beforedespatch the Lathe from our Workswhich is of shouldensurea high standard performance of without the needfor further attentaon. T HE U SERIS A DV IS E DNOT TO DIS TURB HI S S E T T I NG T DURI NGNO RMA LUS EO F T H E MAC H INE AND TO CONS ULT IN OUR S E R V I CE P A RT ME NT T HE UNL I K E L YE V E NTOF DE P A BEAR ING ROB LE M. IS ADJUS TME NT UNDE RTA KE N HE N I T I S E S S E NT I A T HA T T HE F O L L O WI N G T L W H ERE WI P RO C EDURE S S TRICTLY A RE COMP L I E D T H. S TO CHEC KFOR CORRE CT E TTING in by out with the headstock a warm conditionachieved runningat a shouldbe carried Checks ten speed 800 rpm for approximately minutes. of spindle as torque settingis 1.69/1.92 Nm l15l17inlbs)andcanbe determined follows The correctbearing ( Fi g.1) :threeturns aroundthe body of the chuck. Wrapa lengthof stringapproximately and pull gently until spindle To the free end of the stringattacha light springbalance to the cornmences turn, continuing apply a steadyloadjust sufficientto maintain to on in spindle motion and notingthe steadyload registered the balance. reading the spring balance shouldbe Using 280 mm (10 in) chuck, a Example: (3/3%lbs). 1.36kg/1.59k9 BEAR ING JUS TME NT AD cover. Femoveend drive guardand rearbearing nut, Fig. 2. With the pin-keyprovided adjustthe adjusting lockingscrewin the bearing ,Release load, Fig. 3. As overtightening will rotationto increase bearing nut as required clockwise it that be impairthe life of the bearings is recommended adjustment madein increments seriously After eachincremental adjustment, on not exceeding mm (1/8 in) measured the nut periphery. 3 described and the bearing load re-checked,-as above. the spindle shouldbe run for a few minutes

FT ll I I I T L_i{ =lure PartsOrderingProcedOuote: MachineSerialNumberwhich will be found stamped into the front face of the bedways at the tailstock end

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Ouote: IndividualPart Numberstaken direct from the lllustrations

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NOTE: Quantity used(whenotherthan onel is givenin a circlefollowing Part the Numberitself. Wherepart numberschangewith machinebed lengththen the modelnumberis given,vis. or Standard/Proprietary {i.e.itemswhich can be purchased Parts from localEngineering suppliers) may be identifiedby the "bracketed" lettercode includedin the PartNumber, and reference the appendixat the end of this manualwill providea full description to of suchitems.

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PartsSection

Gontents List701.1 .2 7A1 701.3 702.1 702.2 7A23 702,4 7925 703.1 703.2 703.3 704.1 7U.2 704.3 704.4 7A4.5 705.1 705.2 706 7O7 708 710 Bedandcabinet Brake and ClutchLinkage PumP Lubrication Main Casting Headstock shafts) Spindle and Gearing(common Headstock Clutchand Gearing Headstock (withoutclutch) Headstock Gearing GearShiftingMechanism GearBox Casting GearBox Gearing GearBox GearShifting Apron Apron Gearing Apron Gears Apron Pump Dial Threadlndicator Saddle Slides Shafts,rackand bracket Tailstock Chargewheels Swing Frame Equipment Standard

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