Ho tjheseletsa ke SMT chip processing process ke sehokelo sa bohlokoa, haeba ho sena sehokelo se hlahisitsoeng liphoso se tla ama ka kotloloho boto ea potoloho ea chip e hlolehileng ebile e hlakotsoe, ka hona ho tjheseletsa ho hloka ho utloisisa mokhoa o nepahetseng oa tjheseletsa, ho utloisisa litaba tse amehang ho qoba ho. mathata.
1. ts'ebetsong ea chip pele ho tjheseletsa holim'a liphahlo tse koahetsoeng ka flux, ho sebelisa tšepe ea soldering ho sebetsana le hang, ho qoba liphahlo ha li na makotikoti kapa li na le oxidized, ho thehoa ha tjheseletsa e mpe, chip hangata ha ho hlokahale hore u sebetsane le eona. .
2. Sebelisa li-tweezers ho beha ka hloko chip ea PQFP holim'a boto ea PCB, ela hloko hore u se ke ua senya lithapo.E tsamaisane le liphahlo 'me u netefatse hore chip e behiloe ka tsela e nepahetseng.Beha mocheso oa tšepe ea tšepe ho feta likhato tse 300 tsa Celsius, inela ntlha ea tšepe ka har'a solder e nyane, tobetsa chip e nang le sesebelisoa se tsamaellanang le boemo, eketsa solder e nyane ho lithakhisa tse peli tse behiloeng ka mahlakoreng a mabeli, li ntse li tobetsa chip ebe u rekisa lithakhisa tse peli tse behiloeng ka mahlakoreng a mabeli e le hore chip e tiee 'me e se khone ho sisinyeha.Ka mor'a ho kopanya diagonal, hlahloba boemo ba chip ho tloha qalong ho bona hore na e lumellane.Haeba ho hlokahala, lokisa kapa tlosa 'me u lokise boemo ho PCB ho tloha qalong.
3. Qala ho kenya lithapo tsohle, u lokela ho eketsa solder ntlheng ea tšepe ea tšepe, lithapo tsohle li tla koaheloa ka solder e le hore lithapo li khomarele metsi.Tšoara ntlha ea phini e 'ngoe le e 'ngoe ea chip ka ntlha ea tšepe ea soldering ho fihlela u bona solder e phalla ka har'a lithakhisa.Ha soldering, khomarela ntlha ea tšepe ea soldering le lithakhisa tse rekisoang ka mokhoa o ts'oanang ho qoba ho kopana ka lebaka la solder e feteletseng.
4. Ka mor'a ho kopanya lithapo tsohle, nosetsa lithapo tsohle ka solder e le hore u hloekise solder.Z ka mor'a ho sebelisa li-tweezers ho hlahloba hore na ho na le solder ea bohata, hlahloba ho phethoa, ho tloha boto ea potoloho e koahetsoeng ka flux, e tla ba bonolo ho SMD resistive likarolo solder ba bang, u ka qala ka ntlha ea solder holim'a thini, ebe o apara ntlha e 'ngoe ea karolo, e nang le li-tweezers ho tšoara motsoako, solder ka lehlakoreng le leng, ebe o bona hore na e behiloe hantle;haeba e behiloe hantle, joale solder ho e 'ngoe Haeba ho joalo, solder ntlha e 'ngoe.Ho hlokahala boitlhakiso bo bongata ho utloisisa litsebo tsa solder.
Likarolo tsa NeoDen IN12Creflow ontong
1. Sistimi e kentsoeng ka har'a welding filtration system, ho sefa ka katleho ha likhase tse kotsi, ponahalo e ntle le ts'ireletso ea tikoloho, e tsamaellana haholo le ts'ebeliso ea tikoloho ea maemo a holimo.
2. Tsamaiso ea tsamaiso e na le litšobotsi tsa ho kopanya ho phahameng, karabelo e nakong, tekanyo e tlaase ea ho hlōleha, tlhokomelo e bonolo, joalo-joalo.
3. Tšebeliso e phahameng ea ts'ebetso ea aluminium alloy e futhumatsang poleiti ho e-na le ho futhumatsa tube, ka bobeli e bolokang matla le e sebetsang hantle, ha e bapisoa le li-ovens tse tšoanang tsa reflow marakeng, ho kheloha ha mocheso oa lateral ho fokotsehile haholo.
4. Moqapi oa tšireletso ea mocheso oa mocheso, mocheso oa khetla o ka laoloa ka katleho.
5. Taolo e bohlale, sensor ea mocheso e phahameng-sensitivity, botsitso bo sebetsang ba mocheso.
6. Motlakase oa koloi o entsoeng ka mokhoa o hlophisitsoeng ho latela litšobotsi tsa lebanta la mofuta oa B, ho netefatsa lebelo le ts'oanang le bophelo bo bolelele.
Nako ea poso: Dec-13-2022