Tinning Flux vs Regular Flux yeElectronics

Yakagadziridzwa kekupedzisira: Chivabvu 2026 · Gwaro rekushandisa pakunamira rine simba kune vagadziri, matekiniki, uye mainjiniya ekugadzira

Zvese zviri zviviri, kuyerera kwetinning nekufamba kwenguva zviripo kuti zviite basa rimwe chete - kubvisa oxide kubva musimbi kuitira kuti solder yakanyungudutswa inyorovese uye ibatane nayo. Musiyano uripo ndewehukasha uye zvinhu zvinotarisirwa . Kuyerera kwetinning iflux yakasimba, inowanzo shandiswa neacid (kazhinji chigadzirwa chepombi chine solder yeupfu), yakagadzirirwa kuputira pombi yesimbi ine hupfu hwesimbi nemhangura nekukurumidza. Kuyerera kwenguva dzose kwemagetsi iflux isina kusimba kana isina kuchena yakagadzirirwa kuchengetedza mabhodhi edunhu akapfava. Kune ese mabasa emagetsi mhinduro iri nyore: shandisa rosin kana flux isina kuchena, kwete acid tinning flux . Gwaro iri rinotsanangura kuti sei, imwe neimwe inofanira kunyorerwa kupi, uye kuti flux inodzorwa sei muPCB assembly chaiyo.

Chii Chinoitwa neFlux Paunenge Uchigadzira Soldering?

Nzvimbo yega yega yesimbi yakaputirwa nemhepo ine ganda rakatetepa re oxide. Solder hainyorovese oxide isina chinhu — inokwidibira kumusoro uye inomonereka, nenzira imwecheteyo mabhesi emvura pamota yakaputirwa wax. Flux imushonga wekuchenesa makemikari unoita zvinhu zvitatu panguva yekumonera:

• Inobvisa oxide kubva pamusoro pesimbi patembiricha yekunamira, zvichiratidza simbi yakachena.
• Inodzivirira kudzoreredzwa kweokisijeni nekuvhara pamusoro pemvura inopisa kuitira kuti isakwanise kupindirana nemhepo zvakare solder isati yayerera.
• Inovandudza weti nekuderedza kusimba kweganda, saka solder inopararira kuita fillet yakatsetseka panzvimbo pebhora.

"Kuisa simbi" ipfungwa ine hukama asi yakasiyana. Kuisa simbi pamusoro pechinhu zvinoreva kuiisa nejira rakatetepa, rakafanana usati wagadzira simbi yekupedzisira - kuisa simbi pachinhu chakasungwa, muromo mutsva wesimbi inosungirirwa, kana padhi. Uchiri kuda kuiisa simbi zvakanaka, ndipo chaipo panotanga kuvhiringidzika kwemazita.

Chii Chinonzi Tinning Flux? (Acid / Self-Tinning Flux)

Muzvitoro zvemidziyo uye zvemapombi, tinning flux imhando yemagetsi inoshanda zvakanyanya yakagadzirwa kuti iite tin copper nebrass nekukurumidza. Mazhinji matinning flux anozviitira ega : ane solder yakapfava yakasungirirwa mu flux paste, saka kuikwesha pamusoro pemhangura inopisa kunosiya jira resirivha risina waya yesimbi yakasiyana inodiwa. Kemikari iri shure kwekumhanya ikoko idambudziko remagetsi.

Maitiro akajairika uye maitiro

Ma "tinning" uye "plumbing fluxes" anowanzo shandiswa ne "zinc chloride" uye/kana "ammonium chloride " — ma "inorganic acids" anorwisa oxide zvakanyanya uye anoshanda pasimbi inorema, ine tsvina. Anochenesa oxide nekukurumidza kupfuura rosin uye anotsungirira kupisa kukuru kwepaipi. Chinhu chakakosha ndechekuti zvasara zvavo zvinoparadza uye zvinofambisa magetsi , uye zvinoramba zvichirwisa simbi kwenguva refu mushure mekunge joint yatonhora kunze kwekunge yagezwa zvakanaka.

Kwakakodzera kupi kuyerera kwetinning

• Mapaipi emvura emhangura nezvishandiso (basa rayo rekutanga).
• Kuisa simbi huru dzemhangura, bhazi, simbi, uye waya inorema.
• Magirazi ane mavara uye simbi dzakajairika uko majoini anogezwa mushure mezvo.

Nekuti zita racho rine "tinning," vanhu vanorishandisa kumatini waya kana mapedhi padunhu. Ramba izvozvo. Sezvinotaurwa nevanosanganisa zvinhu zvakasiyana-siyana, acid tinning flux haikodzeri pamagetsi - kunyangwe kana "isingakanganisi zvakanyanya" pane mbanje yepombi, inogona kukanganisa mapedhi akanaka, mavhiya, uye matinji ezvikamu nekufamba kwenguva, uye machubhu mazhinji akanyorwa zvakajeka kuti "kwete emagetsi."

Chii Chinonzi Regular Flux yeElectronics?

Kuyerera kwakajairika , muchimiro chemagetsi, zvinoreva kuyerera kwakagadzirwa nemabhodhi edunhu akadhindwa nezvikamu zvidiki: zvinyoro, zvinofungidzirwa, uye hazvikanganisi mushure mekusungirirwa kana zviri nyore kuchenesa kusvika zvakachengeteka. Kunouya mumhuri nhatu dzezuva nezuva.

Rosin flux (R, RMA, RA)

Rosin yekare, yakanatswa kubva kupine resin, irosin. Rosin yakachena (rudzi R) haina kusimba; rosin ine simba shoma (RMA) uye rosin ine simba (RA) inowedzera activator shoma kuti ishande ne oxide yakasimba, kunyanya kana tembiricha yakakwira isingadi lead-free solder. Rosin ndiyo flux yemagetsi inoshandiswa zvakanyanya: yakachipa, inoshanda pa copper, tin, uye gold finishes, uye haifambise mvura kana yapora. Zvasara zvinofanira kucheneswa pamapuranga anonamira nekuti activators dzinogona kuva neacid zvishoma uye dzinokwezva guruva.

No-clean flux

Mvura isina kuchena inogadzirwa saka zvidimbu zvidiki zvainosiya hazvifambise mvura uye hazvikanganisi , saka zvinogona kugara pabhodhi. Ndiyo sarudzo huru mukugadzirisa nemaoko emazuva ano nekuti haishande zvakanaka. Kana tichitarisa kunaka kwemvura inosara inoonekwa; zvitoro zvakawanda zvichiri kuichenesa nemaitiro akavimbika kana kuti ane impedance yakawanda kuti ive yakachengeteka.

Kuyerera kwemvura inonyungudika (organic acid)

Mvura inonyungudika inoshandisa organic acids shoma uye inochenesa zvachose nemvura inopisa - hapana solvent inodiwa. Inobvisa oxide zvakanyanya kupfuura rosin, izvo zvinoita kuti ive yakasimba pazvikamu zvakanyungudika, asi zvakasara zvinofambisa mvura uye zvinoparadza, saka kugeza mushure mezvo kunofanira kuitwa, hazvimbodiwi.

Tinning Flux vs Regular Flux: Kuenzanisa Padivi Nepadivi

Mhando dzeSoldering Flux: Rosin, No-Clean, uye Water-Soluble

Kuyerera kwemazuva ano kunorongwa neJ-STD-004 standard, asi makodhi ekare ebhii achiri kuoneka pamabhodhoro. Kuziva makodhi aya kunokubatsira kuverenga label nemazvo.

Tinning Flux vs Regular Flux: Ndeipi Yaunofanira Kushandisa?

Mutemo unotungamira pakati pevashandi vekugadzira zvinhu unoenderana: shandisa mvura inoyerera zvishoma iyo icharamba ichichenesa oxide iripo. Nzira iri nyore yekusarudza:

1. Kusunga paPCB, SMD, kana zvikamu? Shandisa "no-clean" kuti zvive nyore, kana kuti "rosin" (RMA) kana uchida kuchenesa. Usamboshandisa "acid tinning flux".
2. Kuisa waya itsva yakasungirirwa yemagetsi? Cored solder inowanzova neflux yakakwana; kana uchida yakawanda, wedzera rosin kana kuti usachenese - kwete acid flux.
3. Majoini akaomeswa zvakanyanya kana kuti asina mutobvu anokunetsa here? Wedzera RA kana mvura inonyunguduka, wozogeza zvakanaka mushure mezvo.
4. Mapombi, mapaipi emhangura, kana simbi dzakakora? Apa ndipo panofanira kushandiswa tinning/acid flux.

Imwe pfungwa inoshanda inodzivirira ngura: kana zvikamu zvese zviri zviviri zvaiswa mugaba, enzanisa rudzi rweflux neflux iripo pamusoro uye mukati me cored solder yako, kuitira kuti usasanganise netsaona acid residue kuita joint yakachena.

Kuchengetedzeka paunenge uchishanda

Utsi hwemvura hunobuda hune njodzi. Utsi hweRosin hunozivikanwa senzira yekufema, uye maasidhi anobuda ane zinc chloride ne chloride compounds zvinokanganisa ganda, maziso, nemapapu. Sora uye shanda munzvimbo ine mhepo inofefetera, shandisa kubvisa fume, uye usashandise paste flux neminwe isina chinhu.

Flux Inoshandiswa Sei Mukugadzira PCB?

Mukugadzirwa kwehuwandu hauwanzo sarudza flux semvura yakasiyana - inosvika yakavakwa muzvinhu zvacho. Solder paste yekudzoreredza pamusoro pemvura musanganiswa weupfu hwesolder neflux; waya ine cored uye wave-solder bars dzine flux yadzo. Basa remuunganidzi nderekuenzanisa flux chemistry iyoyo nemaitiro acho uye wobva waratidza kuti bhodhi rakachena zvakakwana kuti rive rakavimbika:

• Mitsetse isina kuchena vs yekugeza nemvura: Fekitori inotevedzera zvinodiwa nemhuri yeflux nekuti ndiyo inotungamira michina yekuchenesa uye chimiro chereflow/wave.
• Reflow profile: Danho rekunyikwa rakarongwa kuti riite kuti mvura itsvuke uye rirege richidonha mvura isati yanyunguduka, ndosaka chimiro chisina kunyatsotsanangurwa chichionekwa sechisina kunyorova zvakanaka kana kuti chakasara zvakanyanya.
• Kuedzwa kwehutsanana: Kuti zvinhu zvirambe zvakavimbika, kusvibiswa kweionic uye kuyedzwa kwezvisaririra zvinosimbisa kuti zvinoora zvabviswa tisati taisa jira kana kutumira zvinhu.

Iyi ndiyo hukama huripo pakati pemubvunzo wekuzvifadza nezve flux nemhedzisiro yekugadzirwa: flux isiriyo, kana flux yekurudyi inosiyiwa isina kuchena, inova ngura mumunda uye inokundikana nguva nenguva mwedzi yakati wandei gare gare.

Kutengesa Kwakavimbika uye Kudzora Flux neHighleap

Highleap Electronics ikambani inogadzira PCB nePCBA iri kuChina (yakatangwa muna 2002) ichishandisa SMT lines ine controlled solder-paste uye flux chemistry, defined reflow profiles, uye cheki dzehutsanana dzakavakirwa mukushanda kwebasa. Kune zvikwata zvinochinja kubva pakugadzira bench soldering kuenda kuzvigadzirwa zvekunze, kutonga ikoko ndiko kunoshandura prototype yakanaka kuita chigadzirwa chinodzokororwa.

• Pcb gungano: SMT, through-hole, uye mixed-technology soldering ine matched flux uye profile.
• Kugona kweSMT uye mastencil akachekwa nelaser: kuiswa kwepaste kwakagadzirirwa majoini, fine-pitch, uye QFN/BGA pads.
• DFM wongororo: inobata kuenzana kwemapad, kurerukirwa kwekupisa, uye matambudziko ekugadzirisa mapedhi asati akonzera zvikanganiso.
• Turnkey PCBA: kutsvaga, kuunganidza, kuongorora (AOI/X-ray), uye kudzora kuchena pasi pedenga rimwe chete.

Tinning Flux vs Regular Flux: Mibvunzo Inowanzo bvunzwa

Ndingashandisa flux yetinning pabhodhi redunhu here?

Haufanire kudaro. Kuyerera kwetinning kwakavakirwa paacid kunochenesa zvakanaka asi kunosiya zvasara zvinoparadza, zvinofambisa mhepo zvinogona kudya zvisaririra zvishoma uye matinji nekufamba kwenguva. Shandisa rosin kana flux isina kuchena pamagetsi panzvimbo pezvo.

Ndeupi musiyano uripo pakati pe flux ne solder paste?

Flux inongoshandiswa kuchenesa chete. Solder paste ihupfu hwesolder hwakasanganiswa neflux kuita paste, hunoshandiswa pakudzoreredza mvura pamusoro pemvura. Kuyerera kuri mukati mepaste kunoita basa rimwe chete rekuchenesa oxide panguva yekudzoreredza mvura.

Ndinofanira here kuchenesa mvura isina kuchena?

Maererano nezvinodiwa, kwete — zvasara zvayo hazvifambisi mhepo uye hazviparadzi. Muzviitiko zvakawanda zvitoro zvichiri kuichenesa pamabhodhi ane impedance yakawanda, ane voltage yakawanda, kana kuti akavimbika zvakanyanya, kana kungoitarisa chete.

Ndeipi flux yakanakira SMD nezvikamu zve fine-pitch?

Peni yekubvisa tsvina isina kuchena kana kuti isina kuchena ndiyo sarudzo inowanzoitwa paSMD inoiswa nemaoko uye pakugadzirisazve. Kune SMT yakawanda, flux yacho yakagadzirwa mu solder paste isina kuchena kana inonyungudika mumvura.

Kuyerera kunonyungudika mumvura kwakachengeteka here pakushandisa magetsi?

Ehe, chero bedzi ukaigeza nemvura inopisa zvachose mushure mezvo. Zvasara zvayo zvinokanganisa uye zvinofambisa mhepo, saka kuisiya yakabatidzwa ndiko kunokonzera kutadza kushanda, kwete flux pachayo.

Ndeipi nzira yandinofanira kushandisa kubatanidza waya yemhangura pabasa remagetsi?

Shandisa mvura inoyerera iri mu cored solder yako, kana kuwedzera rosin/no-clean flux. Chengetedza acid tinning flux yekuisa pombi dzemvura nesimbi dzakakora.

Sei joini rangu richiratidzika serisina kusimba kana kuti rine mavanga kunyangwe kana richiyerera?

Kazhinji kupisa kushoma, kufamba-famba panguva yekutonhodza, kana kuyerera kushoma zvakanyanya kuti zvisasvike pa oxide iripo - haisi flux yaunoda kuti iwedzere kusimba. Wedzera kupisa wotanga waisa flux; wedzera flux chete kana zvichidikanwa, wozoichenesa.

Kusunga kunogadzira utsi uye kunosanganisira makemikari anogona kutsamwisa kana kukuvadza kana akasabatwa zvakanaka. Shanda munzvimbo ine mhepo inofefetera, shandisa kubvisa utsi, uye tevera pepa rekuchengetedza kuti uone chero kubuda kwemvura kwaunoshandisa.