Ukunyuselwa kweplastiki ye-ultrasonic, iiplastiki, izitye, iipolymeric materials, iifayili ze-aluminium. Ukuthuthwa kwe-ultrasonic: iteknoloji, izinto eziyingozi

Ukuthuthwa kwe-Ultrasonic ye-iron yinkqubo apho yonke into efunyenwe kwisigaba esomeleleyo. Ukubunjwa kweendawo ezisemasontweni (apho kubanjwe khona amabhondi) kwaye uqhagamshelwano phakathi kwabo lukho ngaphantsi kwefuthe le sixhobo esikhethekileyo. Iqinisekisa ukuba isenzo sokudibanisa sokutshintshana okutshintshisayo kwintlanzi yamancinci kunye nokunyanzela amandla okuqhelekileyo kwimisebenzi. Masiqhubeke siqwalasela ngokuchanekileyo ukuba iteknoloji ye-ultrasonic welding is.

Indlela yokuxhuma

Ukutshintsha kwe-amplitude kushintshwe phakathi kweendawo kunye ne-ultrasonic frequency. Ngenxa yabo, i-microroughness phezu kwamacandelo angena kwi-plastification deformation. Ngelo xesha, ukungcola kukhishwa kwindawo yokuxhamla. Ukunyakaza kwama- ultrasonic kumatshini kudluliselwa kwisiza sokususa kwisixhobo esivela ngaphandle komsebenzi. Yonke inkqubo ihlelwe ngendlela efanelekileyo yokukhusela isisitrhi secebo kunye nenkxaso kwimida yeendawo. Ngethuba lokudlulela kwezinto zokungcungcutheka ngokusebenzisa i-preforms, amandla aphela. Oku kunikwa ukuxubana kwangaphandle phakathi kweendawo ezikwinqanaba lokuqala lokususa kunye nokuxubana kwangaphakathi kwizinto ezikhoyo phakathi kwenkxaso kunye nesixhobo emva kokwenza indawo yokubeka. Ngoqhagamshelwano, ukushisa kuphakama, okuququzelela ukuhlengahlengiswa.

Ukuziphatha okuthe ngqo kwezixhobo

Ukunyuka kwamathambo phakathi kwamalungu kunye noxinzelelo obangelwa yiyo kunye nokusebenza kunye nenkcenkceshe evela kumbane wokulondoloza ukuqinisekisa ukuba indawo ye-plastification enzulu ebonakalayo kwimimandla encinci kwiindawo ezikufutshane. Inkqubo yonke ihambelana nokukhutshwa kunye nokukhishwa kwamashishini amafilimu kunye nezinye iindawo ezingcolisayo. Ukuthuthwa kwe-ultrasonic kunika ukunciphisa ukuveliswa kwendawo yokuvelisa, eyenza ukulungiswa kweplastiki.

Iimpawu zenkqubo

Ukwesekwa kwe-ultrasonic kunceda ukwenza izimo eziyimfuneko zokuxhamla. Oku kunikezelwa ngama-oscillations mechanical of the converter. Ngombulelo wamandla okugungqiswa, ukuxinzezeleka kwengcinezelo yokukrazula, ukuxinwa kunye nokuxhatshazwa kwenziwa. Ukukhwabanisa kweplastiki kwenzeka xa umda we-elasticity of materials udlulileyo. Ukufumana uxhulumano oluqinileyo lunikezelwa ngokunyusa indawo yoqha ga mshelwano emva kokukhutshwa kwee-oxide zomhlaba, iifrikhi ze-organic and adsorbed.

Ukusetyenziswa kwe-US

I-ultrasound iyasetyenziswa ngokubanzi kwintsimi yesayensi. Ngoncedo lwabo, izazinzulu zihlola ubuninzi bezinto eziphathekayo zezinto kunye neziganeko. Kulo shishini, i-ultrasound isetyenziselwa ukuhlaziya kunye nokucoca iimveliso, ukusebenza kunye nezinto zokusebenza ezinzima. Ukongezelela, ukuchithwa kwezinto ezichaphazelayo kukuchaphazela ngokukhenkceza kwe-crystallizing melt. I-ultrasound inikezela ukubola nokutshiza okusanhlamvu, ukwandisa iipropati zezakhiwo zezinto eziphathekayo. Izibilini zenza inxaxheba ekususweni kweengcinezelo zentsholongwane. Ziye zisetyenziswe ngokubanzi ukwenzela ukwandisa isantya seempembelelo zeekhemikhali. Ukuthuthwa kwe-Ultrasonic ingasetyenziselwa iintlobo ezahlukeneyo. Ukuchithwa kwamanzi kungaba ngumthombo wamandla ekwakheni i-suture kunye nekhonkco. Xa i-ultrasound isetyenziselwa ukuhlamba i-welding ngexesha le-crystallization, iipropati ze-mechanical ze-joint ziphuculwe ngokugaya isakhiwo kunye kunye nokususwa okukhulu kwegesi. Ngenxa yokuba izibilini ziyakususa ngokutsha ukungcola, iifilimu zendalo kunye nezendalo, iingxenye zinokuxhunyezwa, zixutywe, zenziwe nge-lacquered, njl njl. I-ultrasound inceda ukunciphisa okanye ukuphelisa uxinzelelo olwenzekayo xa ulusayo. Ngenxa yobungqingili, kunokwenzeka ukuzinzisa isakhiwo sequmrhu. Oku, kunceda, ukukhusela ukukhutshwa ngokuzenzekelayo kwezakhiwo emva koko. Ukunyuka kwe-Ultrasound kusandul 'ukusetyenziswa kakhulu. Oku kungenxa yezibonelelo ezingenakunqunqulwa kule ndlela yokuxhamla xa kuthelekiswa nezindlela ezibandayo kunye neendlela zokudibanisa. Ngokukodwa ngokuqhelekileyo, ukugubha kwe-ultrasonic kusetyenziswa kwi-microelectronics. Ukunyuka kwe-Ultrasound yezixhobo ze- polymer kuthathwa njengesikhokelo esithembisayo . Ezinye zazo azikwazi ukudibaniswa nayiphi na enye indlela. Kwiimashishini zoshishino, ukuthuthwa kwe-ultrasonic yeefayili ze-aluminium ezinobunqamle, iipilisi kunye neentambo zenziwa ngoku. Le ndlela iphumelela ngokukhethekileyo ukujoyina iimveliso kwizinto ezinobungozi obuphambili. Ukuthuthwa kwe- ultrasonic ye-aluminium isetyenziswe ekuveliseni izixhobo zendlu. Le ndlela iphumelela ukujoyina izinto zephepha (i-nickel, ithusi, i-alloys). Ukukhwelisa i-ultrasonic ye-plastiki ifumane isicelo ekuveliseni izixhobo ze-optics kunye ne-mechanics efanelekileyo. Okwangoku, oomatshini bokudibanisa izinto ezahlukeneyo ze microcircuti zenziwe kwaye zaziswa kwimveliso. Ezi zixhobo zixhotywe ngeekhompyutha ezizenzekelayo, ngenxa yokuba umkhiqizo ukwandisa kakhulu.

Amandla e-ultrasonic

Ukuthuthwa kwe-ultrasonic yeplastiki inikeza uxhamlwano olungenakulinganiswa ngenxa yezenzo ezidibeneyo zokugungqiswa kwamashishini aphezulu kunye nokuncinci kwamandla amancinci. Le ndlela ininzi enokuyenza ngokubandayo. Amandla e-ultrasound angatshatyalaliswa ngokuphakathi uya kuxhomekeka kwiipropati zezinto eziphathekayo. Ukuba imida yamandla kwiindawo zokuxinwa zigqityiwe, izinto eziqinileyo ziya kuqubuka. Ngeemeko ezifanayo, i-cavitation iyenzeka kwiimveliso zamanzi, ihamba kunye neembonakalo zamabhobho amancinci kunye ne-slamming yazo elandelayo. Kanye kunye nale nkqubo yokugqibela, kuvela iingcinezelo zengingqi. Le ngxaki isetyenziselwa ukucoca nokucwangciswa kwemveliso.

Izixhobo zedivayisi

Ukuthuthwa kwe-ultrasonic yeplastiki kwenziwa ngokusetyenziswa koomatshini abakhethekileyo. Zinezi nodes ezilandelayo:

1. Ukunikezelwa kwamandla.
2. Inkqubo yokucwangcisa imishini.
3. Izixhobo zolawulo.
4. I-drive drive.

Inkqubo yokuqhafaza isetyenziselwa ukuguqula amandla kagesi ukwenzela ukuthunyelwa kwendawo yokuxhumeka, ukuyiqwalasela kunye nokufumana ubukhulu obufunekayo bejubane le-radiator. Kule node kukho:

1. Umtshintshi we-Electromechanical nge windings. Idibene kwisitampu sesinyithi kwaye icolile ngamanzi.
2. Ukuguqulwa kwama-oscillations e-elastic.
3. Isalathisi.
4. Inkxaso nenkqubo yoxinzelelo.

Inkqubo igqityiwe nge-diaphragm. I-radiation ye-ultrasound ivela kuphela ngexesha lokunyusa. Inkqubo iyenzeka ngaphantsi kwefuthe leentshukumo, uxinzelelo olusetyenziswe kuma-angles angakwesokudla phezulu, kunye nomphumo we-thermal.

Iimpawu zendlela

Ukunyuka kwe-Ultrasound kuyona ndlela isebenzayo kwimpahla eplastiki. Imveliso eyenziwe ngobhedu, i-nickel, igolide, isilivere, njl njl. Iya kuhlanganisana kunye nezinye iimveliso zeplastiki. Njengoko ubunzima bunyuke, ukukhweliswa kwe-ultrasound kuncipha. Iimveliso ezichasayo ze-tungsten, niobium, zirconium, tantalum, kunye ne-molybdenum zidibene ngokufanelekileyo kunye noncedo lokuvavanywa kwe-ultrasonic. Ukuthuthwa kwe-ultrasonic ye-polymers kuthathwa njengendlela entsha. Iimveliso ezinjalo ziyakwazi ukunxibelelana kunye nezinye iindawo eziqinileyo. Ngokuphathelele isinyithi, inokudibaniswa neglasi, i-semiconductors, i-ceramics. Unokudibanisa iifowuni ngomxhasi. Ngokomzekelo, iimveliso zensimbi zihlangene kunye nge plastiki. Ngenxa yokuhlala esifutshane kwiqondo lokushisa eliphakamileyo, udidi oluphezulu lweemveliso ezidibeneyo lufumaneka. Iipropati zezinto eziphathekayo ziya ngaphantsi kweenguqu ezincinci. Ukungabikho kokungcola kwamanye amazwe ngenye yeenzuzo ezinokuthi i-ultrasonic welding ine. Izinto ezinobungozi kubantu azikho. Xa zidibaniswe, iimeko ezifanelekileyo ezihlambulukileyo zenziwa. Izibophelelo zeemveliso zihluke kwi-chemical homogeneity.

Impawu zoxhumo

Ukunyuselwa kwensimbi kwenziwa, njengommiselo, ngokugqithisa. Oku kwongeza izinto ezahlukeneyo zokuyila. Ukwenzela i-Welding kungenziwa ngamaphuzu (enye okanye emininzi), umgca oqhubekayo okanye isangqa esivaliweyo. Kwezinye iimeko, xa isiphelo somsebenzi siqulunqwe kwi-wire, siboshwe kunye ne-indiza. Kunokwenzeka ukuba kuqhutywe i-ultrasonic welding yezinto eziliqela kunyekanye (ngepakethe).

Ukunyameka kwamalungu

Iphelelwe ngumda ophezulu. Xa ubukhulu bomsebenzi wensimbi bunyuka, kuyimfuneko ukusebenzisa u-oscillations nge-amplitude enkulu. Oku kuya kuhlawulela ukulahlekelwa kwamandla. Ukwanda kwe-amplitude, kwakhona, kunokwenzeka ukuya kumda othile. Izilungiso zidibaniswa kunye nethuba lokukhathala, iindoda ezinkulu ezivela kwisixhobo. Kwiimeko ezinjalo, kufuneka kuhlolwe indlela ukulungiswa kwe-ultrasound efanele. Ngokwenza oko, le ndlela isetyenziselwa ubunzima beemveliso ezivela ku-3 ... 4 μm ukuya ku-05 ... 1 mm. Ukwenzela i-Welding nayo ingasetyenziselwa iinxalenye ezinezikhulu ze-0.01 ... 05 mm. Ubungakanani bemveliso yesibini lunokuba lukhulu kunelokuqala.

Iingxaki ezikhoyo

Xa usebenzisa i-ultrasonic welding method, kuyimfuneko ukuqwalasela ukungenzeka kokungaphumeleli kokukhathala kwezixhobo ezikhoyo kwimveliso. Ngethuba le nkqubo, imisebenzi iya kujikelezwa ngokumalunga nomnye. Njengoko kuchazwe ngasentla, i-dents ihlala phezu kwento ebonakalayo kwisixhobo. Isixhobo ngokwawo sinobude obungapheliyo, obangelwa ukukhukuliseka kwendiza yayo yokusebenza. Kwimiba ngamanye izinto eziphathekayo ziveliswe kwisixhobo. Oku kubangela ukuba unxibe kwaye uqhekeze kwisixhobo. Ukulungiswa kwezixhobo kuhamba kunye nenani leengxaki. Zidibene nenyaniso yokuba isixhobo ngokwawo sisebenza njengelungu lokudibanisa, ukudibanisa ukudibanisa kwe-node, ukucwangciswa kunye nobukhulu bokuba kubalwa ngokuthe ngqo kwixesha lokusebenza.

Ukulungiswa kwemveliso kunye nemimiselo yemodi

Ngaphambi kokwenza i-ultrasonic welding yeyiphi na imilinganiselo eyinkimbinkimbi kunye neendawo ezingenakudinga. Ukuba unqwenela, kunokwenzeka ukuphucula ukuzinza komgangatho wokuxhuma. Ngenxa yale njongo, kucetyiswa kuphela ukuba unciphise umkhiqizo nge-solvent. Ukuxhamla kwimbane ye-ductile, umjikelezo kunye nokulibaziseka kwe-pulse ngokumalunga nexesha lokuqaliswa kwe-ultrasound kuthathwa njengento efanelekileyo. Ngobunzima obunzima bomkhiqizo, kucetyiswa ukuba ulinde ukufudumeza ngaphambi kokuguqula i-ultrasound.

Imifanekiso yokunweba

Zininzi. Izicwangciso zezobuchwepheshe ze-ultrasonic welding zihluke ngohlobo lwe-oscillation yesixhobo. Ziyakwazi ukutshatyalaliswa, ukuguqa, ixesha elide. Kwakhona, amaqhinga ayahluka ngokuxhomekeka kwisithuba sendawo yesiphatho esimalunga nomphezulu womsebenzi oza kutyunjwa, kunye nendlela yokuxhaswa kwemibutho idluliselwa kwimveliso kunye nemimiselo yenkxaso yecandelo lenkxaso. Utshintsho kunye nokuguqa kunye ne-longitudinal oscillations zisetyenziselwa ulungelelwano, umgca kunye nokuxhamla kwendawo. Impembelelo ye-ultrasonic inokudibaniswa nokufudumala kwendawo yokufudumala kweengxenye ezivela kumthombo wokushisa ohlukeneyo. Kule meko, unako ukufezekisa inani leenzuzo. Okokuqala, kunokwenzeka ukunciphisa ukuphakama kwamathambo, kunye namandla kunye nexesha lokuthumela kwabo. Iipropati zamandla ze-pulse ye-thermal kunye nexesha lokugqithiswa kwayo kwi-ultrasound kubonakala njengeparitha eyongezelelweyo yenkqubo.

Impembelelo yomshushu

Ukunyuka kwe-ultrasonic kuhambelana nokunyuka kweqondo lokushisa kwiziko elidibeneyo. Ukubakho kokushisa kubangelwa ukubonakala kokungqubuzana kwiindawo eziqhagamshelana nazo, kunye nokutshatyalaliswa kweplastiki. Enyanisweni, bahamba kunye nokwakhiwa kwesibambano esine-seld. Ubushushu kwiziko loqhagamshelwano luya kuxhomekeka kwiimilinganiselo zamandla. Eyona nto ibaluleke kakhulu ukulingana kwezinto eziphathekayo. Ukongezelela, iipropati ze-thermophysical azibalulekanga kakhulu: ukuqhuba ukushisa nokushisa amandla. Imodi yokunyusa ekhethiweyo ithonya izinga lokushisa. Njengoko uqeqesho lubonisa, umphumo oshushu ophumayo awuthathi mqathango. Oku kubangelwa ukuba ubukhulu becala bamajoyina kwimveliso bufikeleleka ngaphaya kweqondo lokushisa liphakama ukuya kumgangatho ophantsi. Ukunciphisa ixesha lokudluliselwa kweentshukumo ze-ultrasonic kungenziwa ngokucwangcisa iinxalenye. Oku kuya kuphucula amandla odibeneyo.

Isiphelo

Ukuthuthwa kwe-ultrasonic ngoku kuyindlela ebalulekileyo yokujoyina iinxalenye kwamasebe amashishini athile. Le ndlela ixhaphake ngokukodwa kwi-microelectronics. I-US ikuvumela ukuba udibanise iindidi zeeplastiki kunye nezinto ezinamandla. Namhlanje, umsebenzi wezenzululwazi ukwenziwa ngokunyanisekileyo ukuphucula izixhobo kunye nobuchwepheshe be-welding.