Hlooho e tsikinyang

Ho ea ka lintlha tse fapaneng tse qhibilihang tsa solder, brazing e ka aroloa ka solder e bonolo le solder e thata.

Soldering

Solder e bonolo: sebaka se qhibilihang sa solder bakeng sa solder e bonolo e tlase ho 450 ° C, 'me matla a kopane a tlase (ka tlase ho 70 MPa).

Soldering e bonolo e sebelisoa haholo bakeng sa ho cheselletsa lisebelisoa tsa conductive, tse sa keneleng moea le tse sa keneleng metsi indastering ea elektroniki le ea lijo.Hangata ho sebelisoa tjheseletso ea thini e nang le alloy ea tin-lead joalo ka tšepe ea ho tlatsa.Soft solder ka kakaretso e hloka ho sebelisa flux ho tlosa filimi ea oxide le ho ntlafatsa ho koloba ha solder.Ho na le mefuta e mengata ea li-soldering fluxes, 'me tharollo ea joala ea rosin hangata e sebelisoa bakeng sa ho rekisa indastering ea elektroniki.Masala a phallo ena ka mor'a tjheseletsa ha a na phello e senyang holim'a workpiece, e bitsoang non-corrosive flux.Phallo e sebelisetsoang ho cheselletsa koporo, tšepe le lisebelisoa tse ling e entsoe ka zinki chloride, ammonium chloride le vaseline.Ha ho chesetsoa aluminium, fluoride le fluoroborate li sebelisoa e le li-brazing fluxes, 'me hydrochloric acid le zinc chloride li boetse li sebelisoa e le li-brazing fluxes.Masala a li-fluxes tsena ka mor'a ho cheselletsa aa senya, a bitsoa corrosive fluxes, 'me a tlameha ho hloekisoa ka mor'a ho cheselletsa.

Brazing

Brazing: sebaka se qhibilihang sa tšepe ea ho tlatsa tšepe se phahame ho feta 450 ° C, 'me matla a kopantsoeng a phahame (ho feta 200 MPa).

Manonyeletso a brazed a na le matla a phahameng, 'me a mang a ka sebetsa ka mocheso o phahameng.Ho na le mefuta e mengata ea litšepe tsa brazing filler, 'me tšepe ea aluminium, silevera, koporo, manganese le nickel-based brazing filler ke tsona tse sebelisoang haholo.Aluminium base filler metal hangata e sebelisoa bakeng sa ho tiisa lihlahisoa tsa aluminium.Li-solder tse entsoeng ka silevera le tse entsoeng ka koporo li atisa ho sebelisoa bakeng sa ho betla likarolo tsa koporo le tsa tšepe.Li-solder tse thehiloeng ho manganese le tse thehiloeng ho nickel hangata li sebelisoa ho cheselletsa tšepe e sa jeleng paate, tšepe e sa cheseheng mocheso le likarolo tsa superalloy tse sebetsang mochesong o phahameng.Li-solders tse thehiloeng palladium, tse thehiloeng ho zirconium le tse thehiloeng ho titanium hangata li sebelisoa bakeng sa ho cheselletsa lirafshoa tse kang beryllium, titanium, zirconium, graphite le ceramics.Ha u khetha tšepe ea ho tlatsa, litšoaneleho tsa tšepe ea motheo le litlhoko tsa ts'ebetso e kopanetsoeng li lokela ho nkoa.Brazing flux hangata e entsoe ka chloride le fluoride ea tšepe ea alkali le tšepe e boima, kapa borax, boric acid, fluoroborate, joalo-joalo, e ka etsoang phofo, peista le mokelikeli.Lithium, boron le phosphorus le tsona li eketsoa ho li-solders tse ling ho ntlafatsa bokhoni ba tsona ba ho tlosa filimi ea oxide le ho kolobisa.Hloekisa phallo e setseng ka mor'a ho tjheseletsa ka metsi a futhumetseng, citric acid kapa oxalic acid.

Tlhokomeliso: Sebaka sa ho kopana sa tšepe ea motheo se lokela ho hloeka, kahoo phallo e lokela ho sebelisoa.Mosebetsi oa brazing flux ke ho tlosa li-oxide le litšila tsa oli holim'a tšepe ea motheo le tšepe ea ho tlatsa, ho sireletsa sebaka sa ho kopana pakeng tsa tšepe ea ho tlatsa le tšepe ea motheo ho tloha ho oxidation, le ho eketsa metsi le capillary fluidity ea tšepe ea ho tlatsa.Sebaka se qhibilihisang sa flux se tla ba tlase ho feta sa solder, 'me ho bola ha masala a flux holim'a tšepe ea motheo le motsoako ho tla fokotseha.Flux e sebelisoang hangata bakeng sa solder e bonolo ke tharollo ea rosin kapa zinc chloride, 'me flux e sebelisoang hangata bakeng sa brazing ke motsoako oa borax, boric acid le alkaline fluoride.

Tshebediso le tšobotsi tseleganya le kgaso

Brazing ha e tšoanelehe bakeng sa ho tjheseletsa ha meaho ea tšepe e akaretsang le likarolo tse boima le tse matla.E sebelisoa haholo-holo bakeng sa ho etsa lisebelisoa tse nepahetseng, lisebelisoa tsa motlakase, lisebelisoa tsa tšepe tse sa tšoaneng le likarolo tse rarahaneng tsa lipoleiti tse tšesaane, tse kang likarolo tsa sandwich, mehaho ea mahe a linotši, joalo-joalo.Nakong ea brazing, ka mor'a hore ho hloekisoe sebaka sa ho kopana sa mosebetsi oa brazed, se bokelloa ka mokhoa oa ho kopanya, 'me tšepe ea ho tlatsa e behoa haufi le lekhalo le kopanetsoeng kapa ka ho toba ka lekhalo le kopanetsoeng.Ha workpiece le solder li futhumatsoa ho mocheso o phahameng hanyenyane ho feta mocheso o qhibilihang oa solder, solder e tla qhibiliha ebe e kolobisa holim'a weldment.Mokelikeli oa ho tlatsa metsi o tla phalla 'me o hasane haufi le seam ka thuso ea ketso ea capillary.Ka hona, tšepe e entsoeng ka tšepe le tšepe ea ho tlatsa e qhibiliha ebe e kenngoa ka har'a e 'ngoe ho etsa lera la alloy.Ka mor'a condensation, motsoako oa brazed o thehoa.

Brazing e 'nile ea sebelisoa haholo mafapheng a mechine, motlakase, lisebelisoa, seea-le-moea le tse ling.Lisebelisoa tsa carbide, likotoana tsa ho cheka, liforeimi tsa libaesekele, lisebelisoa tsa mocheso, likotopo le lijana tse fapaneng;Ha ho etsoa li-waveguide tsa microwave, li-tubes tsa elektroniki le lisebelisoa tsa vacuum tsa elektroniki, brazing ke eona feela mokhoa o ka khonehang oa ho hokahanya.

Likarolo tsa brazing:

Lebili le silang la taemane ea brazed

Lebili le silang la taemane ea brazed

(1) Mocheso oa ho futhumatsa oa brazing o tlase, lenonyeletso le boreleli ebile le bataletse, phetoho ea microstructure le thepa ea mochine e nyenyane, deformation e nyenyane, 'me boholo ba workpiece bo nepahetse.

(2) E ka cheselletsa litšepe le lisebelisoa tse sa tšoaneng ntle le lithibelo tse thata mabapi le phapang ea botenya ea workpiece.

(3) Mekhoa e meng ea brazing e ka tjheseletsa litšepe tse ngata le manonyeletso ka nako e le 'ngoe, ka tlhahiso e phahameng.

(4) Thepa ea brazing e bonolo mme matsete a tlhahiso a tlase.

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