29 Izingcezu Mechanical CNC Machining Ulwazi

1. Ekwenziweni kwemishini ye-CNC, amaphuzu alandelayo kufanele anakwe ngokukhethekile:

(1) Okwezinsimbi zamanje ze-CNC zezomnotho e-China, amamotho ajwayelekile ezigaba ezintathu asynchronous asetshenziselwa ukufeza ukuguqulwa kwesivinini esingenasinyathelo ngama-inverters.Uma kungekho ukwehla kwemishini, i-torque yokuphumayo ye-spindle ngokuvamile ayanele ngesivinini esiphansi.Uma umthwalo wokusika mkhulu kakhulu, kulula ukucinana.Imoto, kodwa amanye amathuluzi omshini anamagiya okuxazulula le nkinga;

(2) Ngokusemandleni, ithuluzi lingaqedela ukucutshungulwa kwengxenye noma ishifu yomsebenzi.Ukuze kuqedwe ngezinga elikhulu, qaphela ngokukhethekile ukugwema izinguquko zamathuluzi phakathi nendawo ukuze uqinisekise ukuthi ithuluzi lingaqedwa ekusebenzeni okukodwa.

(3) Uma usebenzisa i-NC turning ukuze uphendule izintambo, sebenzisa isivinini esikhulu ngangokunokwenzeka ukuze uzuze ukukhiqizwa kwekhwalithi ephezulu nokusebenza kahle;

(4) Sebenzisa i-G96 noma nini lapho kunokwenzeka;

(5) Umqondo oyisisekelo we-high-speed machining ukwenza okuphakelayo kudlule isivinini sokushisa ukushisa, ukuze ukushisa okusika kukhishwe ngama-chips ensimbi ukuze kuhlukanise ukushisa okusika ku-workpiece futhi kuqinisekiswe ukuthi i-workpiece ayishisi. noma ngaphansi.Ngakho-ke, umshini wejubane eliphezulu ukhethwa phezulu Isivinini sokusika sifaniswa nokudla okuphezulu ngenkathi kukhethwa inani elincane lokuphakela emuva;

(6) Naka isinxephezelo sekhala lethuluzi R.

2. Uma inani lommese wangemuva liphindwe kabili, amandla okusika aphindwe kabili;

Lapho izinga lokuphakela liphindwe kabili, amandla okusika akhuphuka cishe ngo-70%;

Lapho ijubane lokusika liphindwe kabili, amandla okusika ayancipha kancane kancane;

Ngamanye amazwi, uma i-G99 isetshenziswa, isivinini sokusika siba sikhulu, futhi amandla okusika ngeke ashintshe kakhulu.

3. Amandla okusika kanye nokushisa okusika kungahlulelwa ngokusho kokukhishwa kwezinhlamvu zensimbi.

4. Uma inani langempela levelu elinganisiwe engu-X kanye nobubanzi Y bomdwebo bukhulu kuno-0.8, ithuluzi elijikayo eline-engeli yesibili yokuchezuka engu-52 degrees (okungukuthi, ithuluzi elijikayo elineblade engu-35 degrees kanye ne-main. i-deflection angle engu-93 degrees) ) I-R evela emotweni ingase isule ummese lapho iqala khona.

5. Izinga lokushisa elimelwe umbala wamafayili ensimbi:

Okumhlophe kungaphansi kwama-degree angu-200

220-240 degrees ophuzi

Okuluhlaza okwesibhakabhaka okumnyama okungu-290 degrees

Okuluhlaza okwesibhakabhaka 320-350 degrees

Umnyama onsomi mkhulu kuno-500 degrees

Okubomvu kungaphezu kuka-800 degrees

6.FUNAC OI mtc ngokujwayelekile imiyalelo ye-G ezenzakalelayo:

G69: Angiqiniseki

G21: Okokufaka kosayizi wemethrikhi

I-G25: Ukutholwa kokuguquguquka kwesivinini se-spindle kuvaliwe

I-G80: Umjikelezo wamathini ukhanseliwe

I-G54: uhlelo lokuxhumanisa oluzenzakalelayo

I-G18: Ukukhetha indiza ye-ZX

I-G96 (G97): Ukulawula isivinini somugqa njalo

I-G99: Okuphakelayo ngenguquko ngayinye

I-G40: Isinxephezelo sekhala lethuluzi sikhanseliwe (G41 G42)

I-G22: Ukutholwa kohlangothi olugciniwe kuvuliwe

I-G67: Ikholi ye-modal yohlelo olukhulu ikhanseliwe

G64: Angiqiniseki

I-G13.1: Khansela imodi yokuhlanganisa i-polar coordinate

7. Intambo yangaphandle ngokuvamile i-1.3P, futhi intambo yangaphakathi ingu-1.08P.

8.Isivinini sochungechunge S1200 / iphimbo * isici sokuphepha (ngokuvamile 0.8).

9. Ithuluzi lempumulo lefomula R yesinxephezelo: i-chamfer ukusuka phansi kuye phezulu: Z = R * (1-tan (a / 2)) X = R (1-tan (a / 2)) * tan (a) kusukela ku-The chamfers ukusuka phezulu kuya phansi emotweni kuzoncishiswa kuhlanganiswe.

10. Njalo ukwanda okungu-0.05 kokuphakelayo, isivinini sokujikeleza sincishiswa ngo-50-80 rpm.Lokhu kungenxa yokuthi ukwehlisa isivinini sokujikeleza kusho ukuthi ukugqoka kwamathuluzi kuyancishiswa futhi amandla okusika akhula kancane kancane, okunxephezela ukwanda kwamandla okusika kanye nezinga lokushisa ngenxa yokwanda kokuphakelayo.Umthelela.

11. Umthelela wokusika isivinini namandla okusika ethuluzini kubaluleke kakhulu.Isizathu esiyinhloko sokusikwa kwethuluzi ukuthi amandla okusika aphakeme kakhulu.Ubudlelwano phakathi kwejubane lokusika namandla okusika: Ngokusheshisa isivinini sokusika, okuphakelayo akushintshi, futhi amandla okusika ayancipha kancane.Ngesikhathi esifanayo, ngokushesha isivinini sokusika, ithuluzi lizogqoka ngokushesha, amandla okusika azokwanda, futhi izinga lokushisa lizokwanda.Okuphakeme, lapho amandla okusika kanye nokucindezeleka kwangaphakathi kukhulu kakhulu ukuze ukufakwa kungakwazi ukumelana, kuzoba nokudilika komhlaba (Yebo, kukhona nokunciphisa ukucindezeleka nokuqina okubangelwa ukushintsha kwezinga lokushisa).

12. Ithonya lokushisa lokusika: isivinini sokusika, izinga lokudla, inani lokusika emuva;

Umthelela kumandla okusika: inani lokusika emuva, izinga lokudla, isivinini sokusika;

Umthelela ekuqineni kwethuluzi: isivinini sokusika, isilinganiso sokuphakelayo, inani le-backfeed.

13. Ukudlidliza nokuchopha kuvame ukwenzeka endaweni yokukhala.Zonke izimbangela eziyinhloko ukuthi amandla okusika abe mkhulu futhi ithuluzi aliqinile ngokwanele.Ubude besandiso sethuluzi bufushane, i-engeli yangemuva iba mancane, futhi indawo yeblade inkulu, kuba ngcono ukuqina.Ingalandela amandla amakhulu okusika, kodwa uma bukhulu ububanzi bomsiki ocijile, amandla okusika ekwazi ukumelana nawo, kodwa amandla ayo okusika nawo ayanda.Kunalokho, uma umsiki ocijile esemncane, aba mancane amandla angakwazi ukumelana nawo.Amandla ayo okusika nawo mancane.

14. Izizathu zokudlidliza endaweni yemoto:

(1) Ubude obunwetshiwe bomsiki bude kakhulu, okunciphisa ukuqina;

(2) Izinga lokuphakela lihamba kancane kakhulu, okuzobangela amandla okusika iyunithi, okuzodala ukudlidliza okukhulu.Ifomula ithi: P = F / back feed amount * f P iyunithi yokusika amandla F ingamandla okusika, futhi isivinini sishesha kakhulu Izophinde inyakazise ummese;

(3) Ithuluzi lomshini aliqinile ngokwanele, okungukuthi, ithuluzi lingathwala amandla okusika, kodwa ithuluzi lomshini alikwazi ukubekezelela.Ukukubeka kucace, ithuluzi lomshini alinyakazi.Ngokuvamile, imibhede emisha ayinazo izinkinga ezinjalo.Umbhede onezinkinga ezinjalo noma umdala.Kuphakathi kokuthi umbulali womshini uvame ukuhlangana naye.

15. Lapho kulayishwa umthwalo, izilinganiso zitholwe zizinhle ekuqaleni, kodwa ngemva kwamahora ambalwa, izilinganiso zashintshwa futhi izilinganiso zazingazinzile.Isizathu kungenzeka ukuthi ekuqaleni, amandla okusika wonke ayemasha ngoba abasiki babebasha.Ayinkulu kakhulu, kodwa ngemva kwesikhathi esithile, ithuluzi ligqoka futhi amandla okusika abe mkhulu, okubangela ukuthi i-workpiece ishintshe ku-chuck, ngakho-ke ubukhulu buhlala bugijima futhi bungazinzile.

16. Uma usebenzisa i-G71, amanani we-P no-Q awakwazi ukudlula inombolo yokulandelana yalo lonke uhlelo, ngaphandle kwalokho kuzovela i-alamu: Ifomethi yomyalelo we-G71-G73 ayilungile, okungenani ku-FUANC.

17. Umzila ongaphansi ohlelweni lwe-FANUC unamafomethi amabili:

(1) Izinombolo ezintathu zokuqala zika-P000 0000 zibhekisela enanini lemijikelezo, futhi izinombolo ezine zokugcina ziyinombolo yohlelo;

(2) Izinombolo ezine zokuqala zika-P0000L000 ziyinombolo yohlelo, futhi izinombolo ezintathu zokugcina zika-L ziyinani lemijikelezo.

18. Indawo yokuqala ye-arc ayishintshi, futhi ukuphela kwe-arc kushintshwa nge-mm, futhi isikhundla sobubanzi obuphansi be-arc sishintshwa ngu-a / 2.

19. Lapho umba izimbobo ezijulile, i-drill ayigayi i-groove yokusika ukuze kube lula ukukhishwa kwe-drill chip.

20. Uma isibambi samathuluzi sisetshenziselwa ukumba, i-drill bit ingashintshwa ukuze kushintshwe ububanzi bembobo.

21. Lapho ubhoboza iso lesikhungo sensimbi engagqwali, noma uma ubhoboza iso lensimbi engagqwali, i-drill bit noma isikhungo sokubhoboza esiphakathi kufanele sibe sincane, ngaphandle kwalokho asikwazi ukunyakaza.Uma ubhoboza nge-cobalt drill, ungagayi i-groove ukuze ugweme ukubhoboza annealing ngesikhathi sokumba.

22. Ngokwenqubo, ngokuvamile kunezinhlobo ezintathu zokuvala: eyodwa yempahla ngayinye, ezimbili zempahla ngayinye, kanye nenduku yonke yempahla.

23. Uma i-ellipse ivela entanjeni yemoto, impahla ingase ikhululeke.Sebenzisa ummese wamazinyo ukusika ezimbalwa ezengeziwe.

24. Kwezinye izinhlelo lapho kungangenwa khona izinhlelo ezinkulu, izinhlelo ezinkulu zingasetshenziswa esikhundleni semijikelezo engaphansi.Lokhu kusindisa inombolo yohlelo futhi kugwema izinkinga eziningi.

25. Uma i-drill isetshenziselwa ukubuyisela kabusha, kodwa i-jitter yembobo inkulu, khona-ke i-drill ephansi ephansi ingase isetshenziselwe ukubuyisela kabusha, kodwa i-twist drill kufanele ibe mfushane ukwandisa ukuqina.

26. Uma ubhoboza ngokuqondile ngomshini wokubhoboza, ububanzi bembobo bungahluka, kodwa uma ubukhulu bembobo bukhuliswa emshinini wokubhoboza, njengokusebenzisa i-drill engu-10MM ukwandisa imbobo emshinini wokubhoboza, ububanzi bembobo enwetshiwe ngokuvamile bulingana nokubekezelelana kwezintambo ezi-3.

27. Emgodini omncane (ngembobo) yemoto, zama ukwenza ama-chips aqhubeke egoqa bese ephuma emsileni.Amaphuzu ayinhloko ama-chips yilezi: okokuqala, isikhundla sommese kufanele sibe phezulu ngokufanele, futhi okwesibili, i-angle yokuthambekela kwe-blade efanele, nenani lommese Futhi izinga lokuphakelayo, khumbula ukuthi ummese awukwazi ukuba phansi kakhulu noma kulula ukuphula i-chip.Uma i-engeli yesibili yokuchezuka yommese inkulu, ibha yamathuluzi ngeke ibambeke ngisho noma i-chip iphukile.Uma i-engeli yesibili yokuchezuka incane kakhulu, ama-chips azojamisa ithuluzi ngemuva kokuphuka kwe-chip.Isigxobo sivame ukuba sengozini.

28. Ingxenye yesiphambano esikhulu se-shank emgodini, kunzima kakhulu ukudlidliza ummese.Futhi, ibhande lerabha eliqinile lingaxhunywa ku-shank ngoba ibhande lenjoloba eliqinile lingadlala indima yokumunca ukudlidliza.

29. Emgodini wethusi wemoto, ithiphu engu-R yommese ingaba nkulu ngokufanele (R0.4-R0.8), ikakhulukazi uma i-taper ngaphansi kwemoto, izingxenye zensimbi zingase zingabi nalutho, futhi izingxenye zethusi zizoba nkulu ngokufanele. ukhathele kakhulu.

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