Ama-Burrs akhona yonke indawo kunqubo yokucubungula insimbi. Kungakhathaliseki ukuthi usetshenziswa kanjani okokusebenza okunembayo okuthuthuke kangakanani, kuzozalwa ndawonye nomkhiqizo. Ngokuyinhloko iwuhlobo lwamafayili ensimbi okweqile akhiqizwa onqenqemeni lokucubungula lwento okufanele icutshungulwe ngenxa yokuguqulwa kwepulasitiki yezinto. Ikakhulukazi izinto ezine-ductility enhle noma ukuqina zivame kakhulu kuma-burrs.
Izinhlobo eziyinhloko zama-burrs zifaka ama-flash burrs, ama-corner burrs acijile, i-spatter nezinye izinsalela zensimbi eziphume ngokweqile ezingahlangabezani nezidingo zomklamo womkhiqizo. Mayelana nale nkinga, ayikho indlela ephumelelayo yokuyiqeda ohlelweni lokukhiqiza kuze kube manje. Ngakho-ke, ukuze kuqinisekiswe izidingo zokuklama komkhiqizo, onjiniyela bangasebenza kanzima kuphela ekususeni inqubo yokubuyela emuva. Kuze kube manje, imikhiqizo ehlukene inezidingo ezahlukene. Kunezindlela eziningi kanye nemishini yokukhipha ama-burrs.
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Ngokuvamile, izindlela zokususa i-burr zingahlukaniswa ngezigaba ezine:
1. Izinga elimahhadla (ukuxhumana kanzima)
Okuyingxenye yalesi sigaba ukusika, ukugaya, ukufaka amafayela kanye nokucutshungulwa kwe-scraper.
2. Izinga elijwayelekile (ukuthinta okuthambile)
Okukulesi sigaba ukugaya amabhande, ukugaya, ukugaya amasondo okunwebeka nokupholisha.
3. Izinga lokunemba (oxhumana naye oguquguqukayo)
Okuyingxenye yalesi sigaba ukucubungula i-flushing, ukucubungula kwe-electrochemical, ukugaya i-electrolytic kanye nokucubungula.
4. Izinga lokunemba kakhulu (okunemba othintana naye)
Okuyingxenye yalesi sigaba ukuchithwa kwe-abrasive flow deburring, i-magnetic grinding deburring, i-electrolytic deburring, i-thermal deburring kanye ne-dense radium enamandla e-ultrasonic deburring, njll. Lolu hlobo lwendlela yokukhipha lungathola ukunemba kwengxenye eyanele yokucubungula.
Uma sikhetha indlela yokukhipha imali, kufanele sicabangele izici eziningi, njengezici zezinto ezibonakalayo zengxenye, ukwakheka kwesakhiwo, ubukhulu kanye nokunemba. Ikakhulukazi, kufanele sinake izinguquko ekuqineni kwendawo, ukubekezelelana kobukhulu, ukuguquguquka, kanye nengcindezi eyinsalela.
Okubizwa ngokuthi i-electrolytic deburring kuyindlela yokukhipha amakhemikhali. Ingasusa ama-burrs ngemva kokugaya, ukugaya nokunyathela, futhi izungeze noma ishaye imiphetho ebukhali yezingxenye zensimbi.
Indlela yokucubungula i-electrolytic esebenzisa i-electrolysis ukuze ikhiphe ama-burrs ezingxenyeni zensimbi, ebizwa ngokuthi i-ECD ngesiNgisi. Lungisa i-cathode yamathuluzi (ngokuvamile eyenziwe ngethusi) eduze nengxenye ye-burr yomsebenzi, ngegebe elithile (ngokuvamile li-0.3 kuya ku-1 mm) phakathi kwabo. Ingxenye ye-conductive ye-cathode yethuluzi iqondaniswe ne-burr edge, futhi ezinye izindawo zimbozwe ngesendlalelo sokuvikela ukugxilisa i-electrolysis engxenyeni ye-burr.
Ngesikhathi sokucubungula, i-cathode yethuluzi ixhunywe esigxotsheni esibi se-DC power supply, futhi i-workpiece ixhunywe esigxotsheni esihle se-DC power supply. I-electrolyte enengcindezi ephansi (imvamisa i-nitrate ye-sodium noma i-sodium chlorate aqueous solution) enengcindezi engu-0.1 kuya ku-0.3 MPa igeleza phakathi kwendawo yokusebenza kanye ne-cathode. Lapho ugesi we-DC uvuliwe, ama-burrs azoncibilika ku-anode futhi akhishwe, futhi azothathwa yi-electrolyte.
I-electrolyte igqwala ngezinga elithile, futhi ucezu lokusebenza kufanele luhlanzwe futhi luvikeleke ukugqwala ngemva kokubola. I-Electrolytic deburring ifaneleka ukususa ama-burrs emigodini ephambanayo ezingxenyeni ezifihliwe noma izingxenye ezinobumo obuyinkimbinkimbi. Isebenza kahle kakhulu ekukhiqizeni futhi isikhathi sokuvala ngokuvamile sithatha imizuzwana embalwa ukuya emashumini amasekhondi.
Le ndlela ijwayele ukusetshenziselwa amagiya okukhumula, ama-splines, izinduku zokuxhuma, imizimba yama-valve kanye nokuvuleka kwamaphaseji kawoyela we-crankshaft, kanye nokuzungeza ekhoneni elicijile, njll. Ububi ukuthi izingxenye eziseduze nama-burrs nazo ziyathinteka yi-electrolysis, futhi indawo engaphezulu izoba. ilahlekelwa ukucwebezela kwayo kwasekuqaleni futhi ithinte nokunemba kwe-dimensional.
Vele, ngaphezu kokususwa kwe-electrolytic burr, kunezindlela ezilandelayo ezikhethekile zokususa i-burr:
1. I-Abrasive flow deburring
Ubuchwepheshe bokugeleza kwe-Abrasive flow machining (AFM) wuhlelo olusha lokuqeda kanye nokukhipha imali olwathuthukiswa phesheya ngasekupheleni kwawo-1970. Le nqubo ifaneleka ngokukhethekile kuma-burrs asanda kungena esigabeni sokuqeda, kodwa ayifanele izimbobo ezincane nezinde kanye nezibunji zensimbi ezinezingqimba ezivinjiwe. njll. azikulungele ukucutshungulwa.
2. Ukugaya kanye nokukhipha i-magnetic
Le ndlela yaqala ezweni elaliyiSoviet Union, eBulgaria nakwamanye amazwe aseMpumalanga Yurophu ngeminyaka yawo-1960. Maphakathi nawo-1980, abakhiqizi baseJapane benza ucwaningo olunzulu mayelana nendlela kanye nokusetshenziswa kwayo.
Ngesikhathi sokugaya kazibuthe, isiqeshana somsebenzi sifakwa endaweni kazibuthe eyakhiwe izigxobo kazibuthe ezimbili, futhi ama-abrasive kazibuthe afakwa esikhaleni esiphakathi kwendawo yokusebenza nezigxobo kazibuthe. Ama-abrasive ahlelwe kahle ahambisana nemigqa kazibuthe ngaphansi kwesenzo samandla kazibuthe, enza umshini wokugaya othambile futhi oqinile. Ibhulashi, lapho i-workpiece izungeza futhi idlidliza nge-axially kunkundla kazibuthe, ucezu lokusebenza kanye nokunyakaza okulimazayo kuhlobene nokunye, futhi ibhulashi elilumayo ligaya ingaphezulu lomsebenzi; indlela yokugaya kazibuthe ingagaya futhi ikhiphe izingxenye ngendlela ephumelelayo futhi ngokushesha, futhi ifanele Kuyindlela yokuqedela ngokutshalwa kwezimali okuphansi, ukusebenza kahle okuphezulu, ukusetshenziswa okubanzi kanye nekhwalithi enhle yezingxenye ezenziwe ngezinto ezihlukahlukene, ubukhulu nezakhiwo.
Njengamanje, amazwe angaphandle angakwazi ukugaya futhi asuse indawo engaphakathi nengaphandle yomzimba ojikelezayo, izingxenye eziyisicaba, amazinyo egiya, izindawo eziyinkimbinkimbi, njll., asuse isikali se-oxide ezintanjeni, futhi ahlanze amabhodi esekethe aphrintiwe, njll.
3. I-thermal deburring
I-Thermal Deburring (TED) isebenzisa izinga lokushisa eliphezulu elikhiqizwa ukuwohloka kwengxube ye-hydrogen ne-oxygen gas noma umoya-mpilo negesi yemvelo ukuze kushiswe ama-burrs. Iwukudlulisa umoya-mpilo nomoya-mpilo noma igesi yemvelo kanye nomoya-mpilo esitsheni esivaliwe, bese uyithungela nge-spark plug, ukuze ingxube iqhume ngokuphazima kweso futhi ikhiphe inani elikhulu lamandla okushisa ukuze isuse ama-burrs. Kodwa-ke, ngemuva kokuthi i-workpiece iqhume ukusha, impushana yayo ene-oxidized izonamathela ebusweni bomsebenzi futhi kufanele ihlanzwe noma ifakwe emanzini.
4. I-MiLa enamandla i-ultrasonic deburring
Ubuchwepheshe be-MiLa obunamandla be-ultrasonic deburring buyindlela yokukhipha imali esiye yaduma eminyakeni yamuva nje. Ukusebenza kahle kokuhlanza kukodwa kuyizikhathi eziyi-10 kuye kwezingama-20 kunemishini ejwayelekile yokuhlanza i-ultrasonic. Izimbobo zisakazwa ngokulinganayo ethangini lamanzi, ziqeda isidingo sokuhlanza nge-ultrasonic. Umthamo ungaqedwa kanyekanye phakathi kwemizuzu emi-5 kuya kweyi-15.
Sihlanganise izindlela eziyi-10 ezivame kakhulu zokukhipha imali kuwo wonke umuntu:
1) Ukukhipha imali ngesandla
Lena futhi indlela evame ukusetshenziswa ngamabhizinisi ajwayelekile, kusetshenziswa amafayela, i-sandpaper, amakhanda okugaya, njll. njengamathuluzi asizayo. Amafayela anokugcwalisa ngesandla kanye nokugudluka kwe-pneumatic.
Ukuphawula okufushane: Izindleko zabasebenzi ziyabiza, ukusebenza kahle akuphezulu kakhulu, futhi kunzima ukususa izimbobo eziyinkimbinkimbi. Izidingo zobuchwepheshe zabasebenzi aziphezulu kakhulu, futhi ifanele imikhiqizo enama-burrs amancane kanye nezakhiwo zomkhiqizo ezilula.
2) Ukufa kwe-deburing
Sebenzisa i-die kanye ne-punch ukuze ususe ama-burrs.
Ukuphawula okufushane: I-punching die ethile (i-rough die + fine punching die) iyadingeka imali yokukhiqiza, kanye ne-shaping die nayo ingadingeka. Ilungele imikhiqizo enezindawo zokuhlukanisa ezilula, futhi ukusebenza kahle kanye nomphumela wokuqeda ungcono kunomsebenzi wezandla.
3) Ukugaya kanye nokususa
Lolu hlobo lwe-deburring luhlanganisa ukudlidliza, i-sandblasting, i-roller nezinye izindlela, okwamanje ezisetshenziswa izinkampani eziningi.
Amazwana kafushane: Kunenkinga yokuthi ukususwa akuhlanzekile kakhulu, futhi kungase kudingeke ukuthi ubhekane ngokwakho nama-burr asele noma usebenzise ezinye izindlela ukuze ususe ama-burrs. Ifanele imikhiqizo emincane enamaqoqo amakhulu.
4) Ukukhishwa okuqandisiwe
Sebenzisa ukupholisa ukuze unciphise ngokushesha ama-burrs, bese ufafaza ama-projectile ukuze ususe ama-burrs.
Ukuphawula okufushane: Intengo yemishini icishe ibe ngu-20,000 kuya ku-300,000 yuan; ifanele imikhiqizo enobukhulu obuncane be-burr wall kanye nemikhiqizo emincane.
5) Ukushisa okushisayo kokuqhuma
Kubizwa nangokuthi i-thermal deburring kanye ne-explosion deburring. Ngokudlulisela igesi ethile evuthayo esithandweni somlilo semishini, bese ngokusebenzisa isenzo seminye imidiya nezimo, igesi iqhuma ngaso leso sikhathi, futhi amandla akhiqizwa ukuqhuma asetshenziselwa ukuncibilikisa nokukhipha ama-burrs.
Ukuphawula okufushane: Imishini iyabiza (inamanani ezigidini), idinga amakhono aphezulu okusebenza, isebenza kahle kakhulu, futhi inemiphumela engemihle (ukugqwala, ukuwohloka); isetshenziswa kakhulu kwezinye izinkambu zezingxenye ezinemba okuphezulu, njengezingxenye zokunemba zezimoto kanye ne-aerospace.
6) Ukuqoshwa komshini wokuqopha
Ukuphawula okufushane: Imishini ayibizi kakhulu (amashumi ezinkulungwane), futhi ifanele izinhlelo zokusebenza lapho isakhiwo sesikhala silula futhi izindawo zokususa ezidingekayo zilula futhi zivamile.
7) Ukukhishwa kwamakhemikhali
Ngokusebenzisa isimiso sokusabela kwe-electrochemical, izingxenye ezenziwe ngezinto zensimbi zingakhishwa ngokuzenzakalelayo futhi ngokukhetha.
Amazwana kafushane: Ifanele ama-burrs angaphakathi okunzima ukuwakhipha, futhi ifanele ama-burrs amancane (ubukhulu obungaphansi kwezintambo ezingu-7) emzimbeni wephampu, imizimba yama-valve neminye imikhiqizo.
8) Ukukhishwa kwe-Electrolytic
Indlela yokwenza i-electrolytic esebenzisa i-electrolysis ukuze isuse ama-burrs ezingxenyeni zensimbi.
Amazwana kafushane: I-electrolyte igqwala ngezinga elithile, futhi izingxenye eziseduze nama-burrs nazo zithintwa ugesi. Indawo engaphezulu izolahlekelwa ukucwebezela kwayo kwasekuqaleni futhi ithinte nokunemba kobukhulu. I-workpiece kufanele ihlanzwe futhi ivikeleke ukugqwala ngemuva kokubola. I-Electrolytic deburring ifaneleka ukususa ama-burrs emigodini ephambanayo ezingxenyeni ezifihliwe noma izingxenye ezinobumo obuyinkimbinkimbi. Isebenza kahle kakhulu ekukhiqizeni futhi isikhathi sokuvala ngokuvamile sithatha imizuzwana embalwa ukuya emashumini amasekhondi. Ilungele amagiya okudonsa, izinduku zokuxhuma, imizimba ye-valve kanye nokuvuleka kwamaphaseji kawoyela we-crankshaft, kanye nokuzungeza ekhoneni elibukhali, njll.
I-9) I-jet yamanzi enengcindezi ephezulu
Ukusebenzisa amanzi njengendlela ephakathi, amandla ayo okuthinta ngokushesha angasetshenziswa ukususa ama-burrs kanye ne-flash ekhiqizwa ngemva kokucubungula, futhi ngesikhathi esifanayo ukufeza injongo yokuhlanza.
Ukuphawula kafushane: Izisetshenziswa ziyabiza futhi zisetshenziswa kakhulu enhliziyweni yezimoto kanye nohlelo lokulawula olusebenzisa amanzi amaningi emishini yokwakha.
10) Ukukhishwa kwe-Ultrasonic
Amagagasi e-Ultrasonic akhiqiza ukucindezela okuphezulu ngokushesha ukuze asuse ama-burrs.
Amazwana amafushane: Ikakhulukazi ama-burrs amancane. Ngokuvamile, uma ama-burrs edinga ukubhekwa ngesibonakhulu, ungazama ukusebenzisa indlela ye-ultrasonic ukuwasusa.
Isikhathi sokuthumela: Nov-16-2023
