29 Izingcezu Mechanical CNC Machining Ulwazi

CNC Machining

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

(1) Emnothweni wamanje waseShayinaIzinhlobo ze-CNC, ama-motor ajwayelekile wesigaba sesithathu asynchronous afinyelela ukuguqulwa kwesivinini esingaphansi kwesinyathelo 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. Ngokuqedela ngezinga elikhulu, gxila ekugwemeni izinguquko zethuluzi phakathi nendawo ukuze uqinisekise ukuthi ithuluzi lingaqedelwa ekusebenzeni okukodwa.

(3) Uma usebenzisa ukujika kwe-NC 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 sokuqhuba ukushisa ukuze ukushisa okusika kukhishwe ngama-chips ensimbi ukuze kuhlukanise ukushisa okusika ku-workpiece futhi kuqinisekiswe ukuthi i-workpiece ayishisi noma Ngaphansi. Ngakho-ke,high-speed imishiniikhethwa phezulu Ijubane lokusika lifaniswa 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 lokudla liphindwe kabili, amandla okusika akhuphuka cishe ngo-70%;

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

Ngamanye amazwi, uma i-G99 isetshenziswa, ijubane lokusika liba likhulu kakhulu, futhi amandla okusika ngeke ashintshe kakhulu.

 

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

 

4. Uma inani langempela levelu elinganisiwe engu-X kanye nobubanzi Y bomdwebo bubaluleke kakhulu kuno-0.8, ithuluzi elijikayo eline-engeli yesibili yokuchezuka engu-52 degrees (okungukuthi, ithuluzi elijikayo elineblade engu-35 degrees kanye i-central 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

Okunsomi-omnyama kubaluleke ngaphezu kwamadigri angu-500

Okubomvu kubaluleke ngaphezu kwama-degree angu-800

 

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

G69: Angiqiniseki

I-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, kunxephezela ukwanda kwamandla okusika kanye nezinga lokushisa ngenxa yokukhuphuka kokuphakelayo-umthelela.

 

11. Ithonya lokusika isivinini namandla ethuluzi libalulekile.

Isizathu esiyinhloko sokusika ithuluzi ukuthi amandla okusika aphakeme kakhulu. Ubudlelwane phakathi kwejubane lokusika namandla okusika: Ngokusheshisa isivinini sokusika, ukuphakelayo akushintshi ngokushesha, 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 elisekelwe.

 

13. Ukudlidliza nokuchopha kuvame ukwenzeka endaweni yokukhala.

Zonke izimbangela eziyinhloko ukuthi amandla okusika ayanda futhi ithuluzi aliqinile ngokwanele. Ubude besandiso sethuluzi bufushane, i-engeli yangemuva iba mancane, futhi indawo yeblade inkulu, kuba ngcono ukuqina. Ingalandela amandla okusika abaluleke kakhulu, kodwa lapho ububanzi be-slotted cutter bubucayi kakhulu, amandla okusika angakwazi 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 lokuphakelayo lihamba kancane kakhulu, okuzobangela amandla okusika iyunithi futhi kubangele ukudlidliza okubalulekile. Ifomula ithi: P = F / back feed amount * f P ingamandla okusika iyunithi, F amandla okusika, futhi isivinini siyashesha kakhulu.t Futhi izonyakazisa ummese;

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

 

15. Lapho kulayishwa umthwalo, izilinganiso zitholakale zizinhle ekuqaleni, kodwa ngemva kwamahora ambalwa, izilinganiso zashintshwa, futhi izilinganiso zazingazinzile.

Isizathu kungenzeka ukuthi amandla okusika ayemasha ekuqaleni ngoba abasiki babebasha. Akuyona enkulu kakhulu, kodwa ngemva kwesikhathi esithile, ithuluzi liyagqoka, futhi amandla okusika ayanda, 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. Uma kungenjalo, i-alamu izovela: Ifomethi yemiyalelo ye-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; Ukuphela kwe-arc kushintshwa ngo-mm, futhi indawo yobubanzi obuphansi be-arc inyakaziswa 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 eliphakathi nendawo lensimbi engagqwali, noma lapho ubhoboza iso lensimbi engagqwali, ucezu lokubhoboza, noma isikhungo sokubhoboza esimaphakathi kufanele sibe sincane. Uma kungenjalo, ayikwazi ukususwa. Uma ubhoboza nge-cobalt drill, ungagayi i-groove ukuze ugweme ukubhoboza annealing ngesikhathi sokumba.

 

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

 

23. Izinto zingase zixege Uma i-ellipse ivela ochungechungeni lwemoto. 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 ukwenza kabusha, kodwa i-jitter yembobo ibalulekile, khona-ke i-drill ephansi ephansi ingase isetshenziselwe ukubuyisela kabusha, kodwa i-twist drill kufanele ibe mfushane ukuze kwandiswe ukuqina.

 

26. Ububanzi bembobo bungase buhluke uma ubhoboza ngokuqondile ngomshini wokubhoboza. Noma kunjalo, uma usayizi wembobo ukhulisiwe emshinini wokubhoboza, njengokusebenzisa i-drill engu-10MM ukuze kwandiswe imbobo emshinini wokubhoboza, ububanzi bembobo obunwetshiwe ngokuvamile buba Ngaphakathi kokubekezelelana kwezintambo ezintathu.

 

27. Emgodini omncane wemoto (ngembobo), 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 yeblade inkulu, ibha yamathuluzi ngeke ibambeke ngisho noma i-chip yonakalisiwe. Uma i-engeli yesibili yokuchezuka incane kakhulu, ama-chips azojamisa ithuluzi ngemva kokuphuka kwe-chip. Isigxobo sivame ukuba sengozini.

 

28. Lapho i-shank cross-section ibanzi kakhulu emgodini, kuba nzima nakakhulu ukudlidliza ummese. Futhi, ibhande lerabha eliqinile lingaxhunywa ku-shank ngoba likwazi ukudonsa ukudlidliza.

 

29. Emgodini wethusi wemoto, ithiphu engu-R yommese ingabaluleka (R0.4-R0.8), ikakhulukazi uma i-taper ingaphansi kwemoto; izingxenye zensimbi zingase zibe zincane, futhi izingxenye zethusi zizoqotshwa kakhulu.

 

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Isikhathi sokuthumela: Nov-10-2019
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