Okuma Lathe Manual

 

SfJN.Atllf. a[" 1l\C \IACt{INERY SfJN.Atllf.

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CT{CLATHtr CT{CLATHtr GUiBE tsASICPR Glt Air€S{fiq{;GUiBE 700L oKuNiA ,}sP-7i}ilci,10sP

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B}ID. NUMAC MACHINERY SDN. SDN.B}ID.

Training M2nual- Larhe

Chapter Introduction 1.1N 1.1 N C Programming oncept programmitrgs s i\Titing a Programo cornmandhe CNC machine o maclune The pupos€ of NC programmitrg a work pieceaccording o the g en drawing. The procedures rc llustmted n Figure 1-1. Tooling Selectron ToolPath Design

Figure 1-1

1.2 Machineand Machineand Program Coordinate CoordinateSystem System StandardCN StandardCNC C Lathe) The coordinate coordinate ystemof ystemof CNC lathe s shown n Figure l-2.

l-) l- )

X +ie

L_l /o / |

Figure 1-2

i I

 

* Nore:X-r\is X -r\is coardimte lalcdn lalcd n dianetervalue. Progam zero mustbe selecled eforestart eforestart programmiog

Decembor998 99 8

NT]MAC MACHINERY SDN. BT{D

TEinitrg lltatrual - l,athe

Poitrt

x

40 40 70 70 80

B

c

D E

z

0 -50

-50

-l l0

-r 0

fierEise:

Point

x

z

Point

x

z

B

c

D

Erdcise:

B

c D E F

D*mber 1998

 

NTJMACMACHTNERY NTJMAC MACHTNERYSDN BHD

Chapter2 BasicProgramming 2.1 Program Configuration programcoffists coffists ol Gene.allya program l) fbgram Nalne. ameard ard Sequ€ac€abel. 2) S€quence ame 3) Coordinates ndcommatrds 4) Remarks. 5) End ofProgram block. This tufornation is presenled singALPHABATIC CHARACTERS and NUMf,RIC CHAR{CTER-S calleda BLOCL E ch line ofcbamcters s calleda (Canbe omitled d otrlti one program n the file) G _ X_ Z_ S_ T, M_

N____ :

r,42

E\anple 2. t: Programmingormat

oool2 Nl00 G50 2000 x5002450 2450 Nl0l 600x500 NATOI ROUGHCI.II OD) Nl02 T0l0l0I 250s430 s430Mol M08 Nl03 x80 250 X7023 X70 230 0 N104 X230.25s0. 0.5 5 N105G0l X230.25s

M09 2450M05M09 N600G00x300 2450M05 N600G00 M02 M0 2

Name Prograu Number) 2-l.l Program ProgramName namedesignation designation I Program Programname

o

- Up to 4 characters charactersan anbe be us€d- The .f chamclers rn b€ nqnenc. mustbe a h€adof h€adof numericchardcter. numericchardcter. Alphabeticcharacter charactermust - Alphabetic .2:Progrm Progrm Name Example .2:

a )01234 b) oABl2 c)OIAA2 c) OIAA2

r' r'

d )Ol23 *

O0l13

:' Prcgtrm \ame canbe omitled I there s onll one main prognn in thc file. Deember 1998

 

---alnrng\,lr.[ual - Lath€

NTJMACMACHINERY SDN, BFID

zl.2 Sequence ameand ameand Label I i { sequeneoame sequeneoame s defircd as aname a namea$igned a$igned to a block.Numeric block. Numericor or alphabetic lnracters ollowing -N der aredesignated are designatedor a s€querce une,

N altr€ rrrlstbe rrrlstbe placedat the beginningof a block. However it is notessentral notessentralo include Sequenc€altr€ - Sequenc€ quence trame tr a proglain. i€quencenam€ nam€may may be slecified in ally all y order. - i€quence

.3iPrognm P rognmName Example r' a)N1234 a) N1234 r' b) NAT02 NIAT2 c) d) Nl23 + N0123

11.3 Coordinates nd commands : , \hchine canies out its tasksby following the cormands irritten in a prognm- These ThesecollDunds collDunds ate groups ofcodes, socalled G codesand codesand M codes. F-enled bl Eaci clde conrnands he machine o do a specilic action. For example: a) G)O commandshe commandshe nrachineo mo\,e he cutterat cutterat a rapid sp€edo a specificpoint in the b) M08 commandshe commandshe machine o start spmyingcoolant hrough he nozdes. :3nii 2 L G4ode G-Code

G00 G0t G02 G0l G0l

G40 G4 0 G.ll

c5t) G7l

ca7lG?8 G8o G81 GE: G3i GSi

G90

__ge_i _Gll G i

G96 G9 6

G9:,:..rb-r

CONTENTS

Positionine Straisht ine cuttine Circr ar ar cuttins fclockwise) Circular cunina (counterclockwise Dw e ll Tool nose adiusconlDensation: ancel Tool nosemdius nosemdiuscompensation: compensation:eft eft Tool nose dius comDenlatiolr:eht eh t Maximum SDindle SDindlesDeed sDeed esiqution lanqitudinal comDound comDoundixed ixed threadcuttine threadcuttinecvcle cvcle Lonsiludinal ercovin(r ercovin(rcomDound comDoundixed ixed cvcle Trans:\,ersc roovinc/drillineo'nDoundi yedcacle TaDDinsomnound TaDDins omnoundixed ixedc-\,cle. E n dofshrDe esisndtion AP AP)) S I , 3 n f l o n s i t u d i m lshaDe esreMtronLA?l S t ? noftnNvers€sluDedesiFation LAP) C a l lof rouchbar rouchbar urnine \cle tLA? Callof Call of firush mirq cycle LA?) A b s o l u t c rosranninc

_trgs 1.ti1_pt.9eEln n _199 Lperinule lode {mnr,imin) feedDer feed evolution odemm/rc odemm/rc l Derevolution

Constairtpeed uningON Constairtpeed uningON C m c e lofG96 (djrecl pirdle pirdlespeed) speed)

ie98

 

:mlns

\,farual - l-a$e

:*iell:llCodes \'l Code

Codeots

v00

Progam Eop

MO : MO: \I0l \4OJ

EEd of Dmgam Sdtrdle clochiis€ rotalon Srindle counFrclockwise ouuon

v0r

v05 v0 5

{r

C-elant on

M0 8 \I09

Coola.ottr Coola.ot tr

I ]t order o lel drc machire bo$ Nhele it shouldmo\'e shouldmo\'edre dre ool. ihe coordiEn€poiEs coordiEn€poiEs have o t€ The coordinat€ :Jue i5 repre$€ntedy X, Z. A. C. I andK a\is Ha,rever. .{b X and Z .rxis s {rif.d *6E nncemed ir &rs clrss

syslems s n millimeters parameterettitrg ettitrg heunit heunitsyslem - h ieadt parameter mmor 90l00pm X90-l s eff€cn ly90. mmor qsem allows 3 sigrificantdigit digit after hedecifial hedecifialpoiDt. mirqsem allows3 - r"sr br defauh he mir x0.00I - ar:-s.d point s not 6s€trtra1f oteger alue s assigD€d. X90.orX9o.0 X90 is efre.ti1e s X90. orX9o.0

Exanple 2 .1:

x-101 l ztol x-101 x90.00190 x90.001 90

:i a =: code address)nclude F. S.T. P. Q.... &\e= F= Feed ate Speed S: Spindle SpindleSpeed I- Iool number trd ool offselnumbcr

 

Y. al-

NUMAC MACHINERY SDN B}ID.

falh€

Selection

Irl -

madeby 4{igit figutes following a characterT da onting tool is madeby

Tool Offset Number E@ple 2-+

Tool Number

r 9292

madeby 6-digit selectionof of a cutting tool is madeby used,selection T6l Dose rdius mmpe$ation fimctiol is used,

r82q2q2 \

\-

Tool Offset Number Tool Number

Tool nose adius compensation

M03' M04' M05) Controlling The Spindle S' M03' hesecodes codesare areused o spindlemrln be rotalingb€fore he cutting process ornmences. hese a trT- td spindlemrln rb diEcriofls of s?indle oution and ts spe€d. direction. (IMPORTAIYT: See igure for the Corvention ) Clockwisedirection. Srans he spindle n Clockwise

dn\ Eli

Stins the t he spindle ll Count€r-Clockwise irectior. (IMPORTANT: See igure for $€

w'

'/T\\ speed hignatcs ',hespindle spindlespeed R.r'/ mio )

 

NUMAC MACHINERY SDN. BIID

u0f u0 f xI8€ 2204 xl85 I Xl85 Zl20 m.5 xl90

xzm 5

aEds

zloo

xi002300

the machine o s€l€at ool trumberL +ddle speed o 2000 r.p.m eterminedby pre\ ous S ro(atlons?€ed eterminedby rhe slindle to .o€te itr clocbi.ise directioo at ro(atlons?€ed

G. 2000 .p.mt qrtudle.

onroff M08,M09)

0l

SJff) VO3 Gm xt88 220.t xl85 5 Gol xl85 zl20 F 0 5 xl90

zloo

)I200 gn xi002300 llj

ltot) \t2

 

NUMAC MACHINERY SDN. BTID

(M00,M0f, M0f, M02) Stopand Program End (M00,

Enn k;rli dio[

Th€ machiniry cycl€ stopswh€tr stop-Th€ stopstopswh€tr his code s encountered uring program PressingCYCm START at $is point will r€s,umehe opemtion.

qrirl nop. M0l performsle sane unction sM00. sM00. xcepl. t is oni) effeclire {hen rL OPTIONAL STOP bulton on the controlpanel s swilchedon. swilchedon. Pr€ssingCYCLE Pr€ssingCYCLE point will resume le operatior 5f.1RT ai this progmrn.This indicateendof a progmrn. This code fl .a pmgram, It mustbe ircluded to indicateend codealso also resets ft.ootrol-

fd3

*ops here.

=.]=n"-*.\ hon is pressed, Sep ifOPTIONAL STOP

T OO I s2000M0 M03 3 c00 xl88 2204 xl85 M00 M0 0 M08 cnl xl85 zl20 F0.5

xl90 Coflrnu€s here when

tirtton is pressed.

b5

ztoo

x200 M01 G00x3002300 G00 x3002300 M5 M09 M0 9 M2

-eE

 

NLI}LAC IACHINER\ Str\ t 3 D

ing (G00) the Bachne to position he cutter o a mordinatepoinl at npid feed mte

-IdZ

desiErarehestopping he stopping om t

mtol s20mM03 s20m M03

icao x1E8 2204

-Line Cutting (G0l) the mr.$ine aomo(e aomo(e the cuner tom qitretrt position o the Positionspecifed bf x. a gr-aight ine ar feedmte specitr€d y f

Emple

2 9:

ml0l s2000M03 c00 xl88 2204 xl85 M08 GO1X185 2120 m.5 x190

zrw zr w

x200 G00x3002300 G00x3002300

MJ M09 M0 9 M2

 

NTJMACMACHINERY NTJMAC MACHINERY SDN BHD

(G04)& Maximum Spindle SpindleSpeed Speed G50) Iffi

for F_ second.

cn4F rb Daxinun Aindl€ speed S _ _ _ _ ) alowed in lhe program. G5OS G5O S

 

MrDal - lltie

-X a

Z spel8{the end@int of arc.

thecenter centerpoht relative o lbe sta-rt oint ofarc. + atrdK speciry lre tpsition of the radiusoflhe oflhe arg I and K should notbe andK shouldnot be s?ecilied fl, is given - L is used 9,spe.ified he radius -The nart polnt of arc s the positiotr $mediately before he G02 or G03 coEmand ine.

x-t

c0l

0

l0

60

100 10 0

T0l0l

s2000 03 G00 60zl0l zI00 , M.08

G 01 20F0. 5 . . a GoJX80ZI0 X80ZI0 K-10 F0.5 c00 x1002300 M5 M09 M0 9

\a

t2

 

NI-IMAC MACHINERY SDN. BHD

ml0l s2000M03 cro0 60 zt04 zlN

M08 GOr220 GOr 220 F05 X80 Zto I10 F0*r G02X80 G02 croO 300zm MJ M09 . M2

Gio s3000 m l 0l slfi)0 M03

x60zl04 zl04 Gm x60 zt00

TIO8 G{l x65 218.66 F0,5 G42 X80 210 I-5 K{.66 F0.5 G00 x3002300 Nf 5 I f09 TO

'y

replacedbf L {ndius) - -{dditional}. I ard K canbe replacedbf lEmber

I99E

l.]

 

I

00

i,,ffi December g)s

 

NUMAC MACIII}.ERY SDN. BTID.

Trainingranual Training ranual- Lathe

3.2 LAP 3 - Bar RoughTurning Cycle G coderG80 coderG80

End offinishing $ape desiglationfor desiglation for bar mugll

G coderG8l G8 l G code:G82 code:G82

Stan ofloDgtrudral draF designarioo or rougb bar tumine c,\de. Stan of transltrse sbapedesignation sbapedesignationor roughbar

C code:G87 code:G87

Ca[ offinisL tunine clcle.

G code G80 Ddcripriotr: EDdof EDdof finishing shape esignation o. bar roughqtr c.vcle. G8 0 G code:G8 code: G8 l sbapedesigMtioo or roughb€r roughb€r tumin8 clcle D€scription: Sran Sranof of lotrg:rudinalsbapedesigMtioo

N N

G8I

Seouence Ine of the de6n€dsnape

E\ample: NLAPI G81 G8 0 G80 l{999M02

G code:G8 code:G82 2 D€scription: Start roughbar nirniDgclcle nirniDgclcle Startof of transverse hape esignation or roughbar

1.."

N

G82

Sequetrce ameo ameof the d€finedshape

N

L/'

E\lnrple

NLAPI G82 G8 0 \999 MOl

De.e ber 1998

l5

 

NUMAC MACHINERY SDN. B}ID.

G code:G85 code: G85 Descriptiotr: CaI of roughbat tuming cycle

G85N G85 N

DFUW

ameofthe ofthe definedshape. Sequence ame Rougtringcycle depthof cut (drameter) Roughingcycle Roughing cycle eedmte. Stock esorveor finishing in X-direction (diameter) Stock es€rveor es€rve or finishing in Z{irection.

N_ _ _ _ D, F_ U_ Exanple:

NoroG50 2000 N020G00 500 2500

/Feedrate of roucling cycle. 5500Mol Mol M08 N0j0 X6t z16I T0t0t 5500 S 20 N040G96 N040 G96S (Ca[ rough roughbar bar turning cycle ) 050 G85 NLAI1 D2 X'0.tU1'0 -----'- W0.5 (Startongitudinal (Start oughuming inished hape efine ongitudinalough NI,AP G81 N060G0 N060 G0 x-0.1 zl5? N^ rn ^^r -'" 7r{< Fn oK".""

iio*o io N090 90 x50 0 NI00x5 NI00 . Nll0 250 x6 I Nl20 x6I

------------

Fef,drare f finishingvcl€ ffinishing

@nd of rough bar tuming shapedefme.)

Nl30 G80 Nl40 G975500 G975500 G00x500 x500 2500 Nl50 G00 Nl 6 0M 0M02

x=51

i:ts

.''..'

l6

998 8 December 99

 

NIIMAC MACHINERY SDN, BHD.

G87 7 G code:G8 Deicription: Call offinish tumitr8 cycle.

G87N_,__ (U_W ) N____

U_

definedshape. shape. ameof of the defined Sequence ame Stock eserveor frfther finishing in X-dire{tion (diameter)_ oDtonal, Stock €serve or further finishing in Z-direciion-oplion"l

Example: Roughingcycte. Roughingcycte. X=60 X=50 X

Finishing cut (G87).

N0l0 G50 2000 5002500 2500 N020G00 500 M03M0 M08 8 N030 6r 216l ml0r s500M03 5120 N040G96 G965120 T91------Reture

or oug*'*

c)cle.I cle.I (Call ough arRming ar Rmingc) N050C85 NLAPI D2 F0.t Ul.0 W0.5 N050C85 (Start ongitudinal ough oughbar bar tuming sbape efine.) NLAP G81 N060G0 N060 G0 x4.l 2157 N070 G'l zl55 F0 06----___-------Feedrate ffinishing cycte

N090 90

Nr00 so

Nll0 250 Nl20 x 6 l Nl30 G80 Nl40 G975500 G975500 5002500 2500 Nl50 GOO 500 Nr 60x4.l 60 x4.l 216l m202 Nl70 G96Sl50 G96Sl50 NISOG87 NISO G87NLAPI Nl90 G95 S500 N200G00x500 zs00 M0 2 N999M0 N999

Gnd

ofroughbar uming inished hape efire ofroughbar

(CrI firishing cycle.)

t1

Decenb('r 998

 

NIJMAC MACHINERY SDN. BIID.

TrainingManual-tathe

NoseRadius RadiusComPensation 3.3 ToolNose GtO O G coderGt nosecornpensation cornpensationGll and G{2 must b€ c{trceled by G40 beforeendng DescriDtiotr:Carcel oftool nose thepmgram. the pmgram. G code:G4 code:G41 1 Description: Tool nosecompensatioq eft.

Actual cutting palh

o tool

R€quiredcutting R€quired cuttingpath.

Withoutusing using ool nose ompensafon.

Progmnrmingpold set by tool offset.

G code G,l2 nosecompensatior\ ighl Description: Tool nosecompensatior\

Example:

X32Zl22 Zl22 CnoG42 G42X32 N060Cno X30Zl20 Zl20 G96Sl00 Sl00X30 N070G01 N070 G01G96 N080 z5 0 N090 80 sO z50 248 8 Nl00 24 Nll0 x52 Nl20 Gito Nl30 G00 s00 2500

(Tool nose ompensationigbt.)

Z= 50 Z= a0 Z= t20 X=50 Z= 3l (Cancel ool nosecomp€nsation. nosecomp€nsation.

1E

DeceNh.'r 9 9 8

 

NIJMAC MACHINERY SDN. BTID

Training Mrnual - Lathe

Chapter4 BasicProgramming FixedCycles) 4.1 LongitudinalThread Cutting Cycle G7l) G code:G 7 l Description: Longitudinal dread cutting cycle. G ?I X -Z-A _(I )B , D_

x z I B D U H L F J M

a

U_ H- L_ F J M_Q -

Final diameterof thr€ad. Z coordinateof endpoint of tfuead. Taper angle. Dif€rence in mdiusbetween kning point and endpoinl for taper thread €xpressn radius). N omrally s equal o Infeed ngle B = 0-180;0 fno B provided.Nomrally cutter ip point angle). Depth of cu cutt in first threadculting threadculting cycle(e+ress cycle(e+ress in diameter). Finishing allowance expressn diameter). Threadheight Thread height (€xpressn dia$eter). threadcutting cutting cycle. (effective n M32 Chamferingdistance n final thread modet f no L wo word rd is provided n M23 node, L is assumed s he distanceequivalent o one ead) Thread ead. pecifiedby by F word. Number of thrc'adswioin a distance pecified pattem modeof of infeed. fueadcuftrng and mode Used o select fueadcuftrng multipl€-dread dread cutting. The numberof numberof tlreads for

t9

Dcccrirber9 9 8

l

 

N'IIMAC MACHINERY SDN. BHD.

Training Mrnual - Lathe

 

I

Fixed Cycle G73) GroovingFixed 4.2 LongitudinalGrooving c code:G?3 code:G?3 Description:t ngitudinal ooving ixedcycle. D_L_ L_ F_E_ T G13X_Z_t K_ D_ X

z

I K D L F T

X coordinateof targetpoinl Z coordinateof targctpoint. Shift amount n X-axis direction(in diameter). Shift arnount n Z-axisdhection. Depth ofcut (infeedamount, II diameler). infeedamount amount or tool withdmwal modon (in diameter) Total infeed F€edrateDuration of dwell motion when a€et point on X-a\is is reached. numberdetermining determiningdle dle tool offset arnountwher largel Tool offsel number point on z-axis is reached.

2{l

ecen$er 998

 

NT]MAC MACHINERY SDN. BHD.

4.3 TransverseGrooving/DrillingFixed Cycle (G74) c code:G74 G7 4 Desciiption:TmnsveNerooving/drillingtrxed TmnsveNerooving/drillingtrxedycle. G 74X -Z_I K _D-L-F_E _ T

x z

I K D L F T

X coordinaleof coordinaleof targetpoint (X=o whendrilling). Z coordinateof targetpoi-nt. X-&xisdirection direction (in diameter). Shift amount n X-&xis Shift amount n Z-axi direction (I(=0 when drilling). Deplh of cut (iDfeedamount)infeedamount amount or tool withdrawal motion. Tool infeed Feedrate, Dumhon of dwell motion when argetpoint on X-axis is reached. amountwhen when r-rget Tool ofset numb€rdetermining numb€rdetermining he tool offset amount Dointon Z-axis s reached.

lDlK