Mashin ɗin CNC Mai-Axis Biyar Na Jiki Na Musamman

Tare da haɓakar haɓakar sararin samaniya, makamai, jiragen ruwa, motoci da sauran masana'antar kera injuna, tsarin sassan samfuran ya zama mai rikitarwa da haɓaka. CNC na yau da kullun na axis 3-axis ba za su iya biyan buƙatun injin ɗin ba. Bayyanar 5-axis CNC machining cibiyoyin sun dace da bukatun samar da samfur kuma ya zama wanda bai yi nasara ba.
Jagoran haɓakawa da haɓaka fasahar kera injiniyoyi. Nufin wani yanki mai siffa na musamman tare da ƙasan ƙasa (duba Hoto 1), cibiyar haɗin ginin CNC mai axis guda biyar tare da turntables biyu na iya kammala aikin mashin ɗin duk hanyoyin a cikin ɗaki ɗaya, wanda ke warware matsalar sassan lanƙwasa waɗanda ba za a iya kammala su ba. ta uku-axis CNC inji kayan aikin. Machining.

1 Machining bincike na sassa

Za a iya gani daga Hoto na 1 cewa sashin jiki mai siffa na musamman ya ƙunshi nau'in ƙoƙon jujjuyawar U-dimbin yawa, tushe da filin canji, da kayan aikin inji karfe 45 ne. Tsarin yana da sauƙi, amma saboda ƙarancin da aka yanke, sassan ba za a iya sarrafa su ta hanyar kayan aikin CNC mai axis uku ba. CNC machining cibiyar haɗin axis guda biyar tana ƙara gatura biyu na jujjuya bisa tushen gatari guda uku X, Y, da Z, waɗanda zasu iya sarrafa jagorar axis na kayan aiki don canzawa daidai da al'adar yanayin da aka sarrafa, don haka. yana iya sarrafa hadaddun Filaye mai lanƙwasa ko saman da ba za a iya sarrafa shi gaba ɗaya ta axis uku ba. Sabili da haka, sassan masu siffa na musamman suna buƙatar sarrafa su ta hanyar haɗin ginin CNC mai lamba biyar.

2 Siffar ƙirar ƙira ta sassa

Hoto 2 3D samfurin sassa na jiki na musamman na ƙirar geometric na sassa ta amfani da CAXA Manufacturing Engineer 2011 software [2]

• (1) Yi amfani da umarnin stakeout don samar da ƙoƙon juzu'i mai siffar U;
  
• (2) An kafa tushe ta hanyar shimfiɗawa da ƙara kayan aiki;
  
• (3) Yi amfani da umarnin miƙa mulki don samar da cikakken samfurin jikin baƙo (duba Hoto 2).

3 Machining dabarun tsara m inji sassa.

Domin inganta aikin injin, yakamata a fara amfani da tsayayyen aikin axis da yankan yadudduka, sannan a yi amfani da injin niƙa mai ƙasa da ƙasa don murƙushe sarari don tabbatar da cewa an cire izinin sarrafa manyan yanki a cikin mafi ƙanƙanta lokaci.

Semi-ƙarami. Yi amfani da aikin haɗin kai na axis guda biyar kuma ɗauki yanayin kayan aiki wanda ya dace da halayen geometric na saman injin da aka kera don yin aikin injin ƙarewa a saman daban-daban don tabbatar da cewa an cire babban gefe bayan m machining, ta yadda kowane injin da aka kera yana riƙe da dacewa. da haddi na gamawa. gamawa. Domin tabbatar da daidaito, ingancin saman da ingancin sassa machining, da biyar-axis linkage aiki a karshe amfani da gama daban-daban saman da wani ball-karshen milling abun yanka.

4 Ƙirƙirar hanyar kayan aiki

Ƙirƙirar hanyoyin hanyoyin kayan aiki shine maɓalli mai mahimmanci a cikin fahimtar mashin ɗin CNC na saman lanƙwasa. Ma'anar kayan aiki mai ma'ana ba wai kawai inganta inganci da inganci na injinan saman ba, har ma ya ba da cikakkiyar wasa ga ƙarfin injin na kayan aikin CNC [3-6]

A cikin aikin gamawa, ana sarrafa saman kofin jikin juzu'i na U-dimbin juzu'i da saman saman gindin ta hanyar amfani da abin yankan ƙarshen ball 8 da milling gefen axis biyar, da kuma kofin jikin mai siffar U-dimbin jujjuyawar. Ana sarrafa saman ta hanyar abin yankan ƙarshen milling ball 8. Contour na shasha finely kara

A cikin wannan injin ɗin na musamman mai siffa ta jiki, roughing ɗin yana ɗaukar yankin jirgin sama 3-axis roughing, kuma babu abin da ake sarrafa shi a cikin yadudduka tare da injin ƙarshen ƙasa mai lebur 8. Yankin jirgin sama roughing na iya kawar da manyan tafki da kyau da kuma haifar da yanayi don yin aikin gama-gari. . Ana nuna hanyar kayan aiki a cikin hoto na 3. A cikin tsarin kammalawa na ƙarshe, U-dimbin kofin jikin da aka yanke da kuma saman saman tushe yana amfani da 8 ball-end milling cutter, wanda ke amfani da 3-axis don samar da yanayin yanayi da ya juya zuwa axis biyar don niƙa gefe guda biyar. Niƙa gefen axis biyar na iya samun kyakkyawan sakamako. A saman iya inganta yankan yadda ya dace da kuma kauce wa sifili-sauri yankan na kayan aiki a lokacin aiwatar da aiki. Za'a iya sarrafa kusurwar tsakanin axis na kayan aiki da machining surface ta hanyar saita sigogi na machining. Ana nuna saitunan ma'aunin sarrafa axis na kayan aiki a cikin hoto na 4. Ƙarshen ƙarshen saman kofin ciki na kofin jujjuyawar U-dimbin yawa yana amfani da abin yankan ƙarshen milling ball 8 tare da kammala layin axis 3-axis. Hakanan ana sarrafa farfajiyar canjin ta hanyar milling gefe guda biyar. Kyakkyawan ƙari na sassa
Ana nuna hanyar kayan aiki a hoto na 6.

5 Kayan aikin kwaikwayo na sassa

Bayan an samar da fayil ɗin matsayi na kayan aiki na ɓangaren, an canza shi zuwa daidaitaccen shirin NC ta hanyar saitin mashin-machining da yawa, sa'an nan kuma an shigo da shirin NC da aka samar a cikin VERICUT7.0 NC simulation machining software don simulation machining. na bangare. Kayan aikin na'ura da aka gina a lokacin ƙirar simintin ya kamata ya kasance daidai da ainihin tsarin kayan aikin na'ura, kuma matsayi na shigarwa na sassan ya kamata ya dace da ainihin kayan aikin injin. Ta hanyar simintin simintin gyare-gyare, ana iya tabbatar da ma'anar hanyar kayan aiki, tsangwama da haɗari a cikin ainihin aikin injiniya za a iya bincika, kuma za'a iya tabbatar da daidaitattun saitunan machining da kuma samar da shirin CNC machining, don haka ingantawa. hanyar kayan aiki da rage ainihin mashin ɗin sassan. Kuskuren kuskure ya inganta ingantattun injina da daidaiton sassa.

6 Mashin ɗin gaske na sassa akan kayan aikin injin

Bayan an ƙaddamar da injin simintin gyare-gyare na ɓangaren, ingantaccen shirin CNC machining za a iya shigo da shi cikin ainihin kayan aikin injin don ainihin mashin ɗin ɓangaren. Dual-turntable biyar-axis linkage CNC machining cibiyar amfani da ainihin machining na sassa, da C axis iya ci gaba da juya a cikin kewayon 0 ° zuwa 360 °, da kuma A axis iya lilo da baya da kuma fitar a cikin kewayon -10 °. zuwa 100°. Wurin da ba komai yana danne kai tsaye tare da ƙugiya guda uku da aka sanya akan na'urar juyawa, kuma ana sarrafa dukkan sassan a cikin matsewa ɗaya. Bayan gwaji, daidaiton girman da ingancin saman duk sun cancanta. Ana nuna abin da aka sarrafa a hoto 8.

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