[Ibicuruzwa byumye] Muri -isesengura ryubuyobozi bwiza muri gutunganya SMT patch (2023 essence), ukwiye kugira!

1. Uruganda rutunganya ibicuruzwa bya SMT rugena intego nziza
SMT yamashanyarazi isaba ikibaho cyumuzingo cyacapishijwe hifashishijwe icapiro ryasuditswe hamwe nibikoresho bya stikeri, hanyuma amaherezo igipimo cyujuje ibisabwa cyikibaho cyo guterana hejuru kiva mu itanura ryongeye gusudira kigera cyangwa hafi 100%. Zeru -yongera-gusudira umunsi, kandi irasaba ingingo zose zigurisha kugirango ugere kumbaraga runaka yubukanishi.
Gusa ibicuruzwa nkibi birashobora kugera kumurongo-mwinshi kandi wizewe cyane.
Intego nziza irapimwa. Kugeza ubu, ibyiza byatanzwe ku rwego mpuzamahanga, igipimo cy’inenge cya SMT kirashobora kugenzurwa kugeza munsi ya 10ppm (ni ukuvuga 10 × 106), iyo ikaba ari yo ntego ikurikiranwa na buri ruganda rutunganya SMT.
Mubisanzwe, intego ziheruka, intego zo hagati, hamwe nintego ndende zirashobora gutegurwa ukurikije ingorane zo gutunganya ibicuruzwa, imiterere yibikoresho hamwe nurwego rwibikorwa bya sosiyete.

2. Uburyo bwo gutunganya

Gutegura inyandiko zisanzwe zumushinga, harimo ibisobanuro bya DFM yumushinga, ikoranabuhanga rusange, ibipimo byubugenzuzi, sisitemu yo gusuzuma no gusuzuma.

② Binyuze mu micungire itunganijwe no gukomeza kugenzura no kugenzura, ubuziranenge bwibicuruzwa bya SMT buragerwaho, kandi ubushobozi bwa SMT nubushobozi bukorwa neza.

Shyira mu bikorwa igenzura ryose. SMT Ibicuruzwa Byashushanyije Igenzura Rimwe Kugenzura Igikorwa kimwe Umusaruro Umwe Kugenzura Ubuziranenge Bumwe bwo gucunga dosiye

Kurinda ibicuruzwa serivisi imwe itanga isesengura ryamakuru yo guhugura abakozi umwe.

Igishushanyo mbonera cyibicuruzwa no kugenzura amasoko ntibizatangizwa uyu munsi.

Ibiri mubikorwa byo kubyaza umusaruro byatangijwe hepfo.
3. Kugenzura inzira yumusaruro

Ibikorwa byo kubyaza umusaruro bigira ingaruka kumiterere yibicuruzwa, bityo bigomba kugenzurwa nibintu byose nkibipimo byibikorwa, abakozi, gushiraho buri, ibikoresho, エ, uburyo bwo gukurikirana no gupima, hamwe nubuziranenge bwibidukikije, kuburyo bugenzurwa.

Uburyo bwo kugenzura nuburyo bukurikira:

Shushanya igishushanyo mbonera, inteko, ingero, ibisabwa byo gupakira, nibindi.

. Gutegura inyandiko zerekana ibicuruzwa cyangwa ibitabo byayobora ibikorwa, nk'amakarita yatunganijwe, ibisobanuro bikora, ubugenzuzi n'ibitabo biyobora ibizamini.

Equipment Ibikoresho byo kubyaza umusaruro, amabuye y'akazi, ikarita, ifu, umurongo, nibindi byujuje ibisabwa kandi byiza.

Shiraho kandi ukoreshe ibikoresho bikwiye byo kugenzura no gupima kugirango ugenzure ibyo biranga muburyo bwagenwe cyangwa bwemewe.

⑤ Hariho ingingo isobanutse yo kugenzura ubuziranenge. Inzira zingenzi za SMT ni gusudira paste, gusya, kongera gusudira hamwe no kugenzura ubushyuhe bwamashyiga

Ibisabwa ku ngingo yo kugenzura ubuziranenge (ingingo yo kugenzura ubuziranenge) ni: ikirango cyo kugenzura ubuziranenge ku mwanya, dosiye zisanzwe zigenzura ubuziranenge, amakuru yo kugenzura

Inyandiko nukuri, mugihe, no kumukuraho, gusesengura amakuru yo kugenzura, no gusuzuma buri gihe PDCA hamwe nubuhamya bukurikiranwa

Mu musaruro wa SMT, imiyoborere ihamye igomba gucungwa no gusudira, kashe ya kashe, hamwe nigihombo cyibigize nkibimwe mubirimo kugenzura ibiri muri gahunda ya Guanjian

Urubanza

Imicungire yubuyobozi bwiza no kugenzura uruganda rwa elegitoroniki
1. Kuzana no kugenzura imiterere mishya

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3. Minisiteri yubuziranenge igomba gukora ubwoko bwibice byabigenewe hamwe nibikorwa bitandukanye hamwe nibizamini bikora kumiterere yimashini zipima, kandi ikuzuza raporo yikigereranyo.

2. Kugenzura ESD

1. (1MΩ ± 10%) irahujwe;

2. Ibisabwa n'abakozi: Kwambara imyenda igabanya ubukana, inkweto, n'ingofero bigomba kwambara mumahugurwa. Mugihe uhuye nibicuruzwa, ugomba kwambara umugozi uhagaze;

3. Inzitizi yo hejuru ni <1010Ω;

4. Impinduka ihindagurika isaba urunigi rwo hanze kugirango rugere kubutaka;

5. Igikoresho gikeneye gusuzuma umurongo wigenga.

3. Kugenzura MSD

1. BGA.IC. Ibikoresho byo gupakira ibirenge byoroshye kubabara mugihe cyo gupakira kitari vacuum (azote). Iyo SMT igarutse, amazi arashyuha kandi ahindagurika. Gusudira ntibisanzwe.

2. BGA igenzura ibisobanuro

. Igihe cyo gukoresha ni umwaka umwe;

(2) BGA yapakiwe mubipfunyika vacuum igomba kwerekana igihe cyo gufunga. BGA idatangijwe ibikwa muri kabine itagira amazi.

. ububiko bunini, ububiko bunini burahindurwa kugirango buhindure kugirango bukoreshe kuyihindura kugirango ukoreshe Ububiko bwo gupakira vacuum;

(4) Abarenze igihe cyo kubika bagomba gutekwa kuri 125 ° C / 24HRS. Abadashobora kubitekera kuri 125 ° C, hanyuma bagateka kuri 80 ° C / 48HRS (niba bitetse inshuro nyinshi 96HRS) barashobora gukoreshwa kumurongo;

(5) Niba ibice bifite umwihariko wo guteka, bizashyirwa muri SOP.

3. Ububiko bwa PCB cycle> amezi 3, 120 ° C 2H-4H ikoreshwa.

Icya kane, PCB igenzura ibisobanuro

1. Kashe ya PCB no kubika

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(2) Itariki yo gukora yubuyobozi bwa PCB iri mumezi 2, kandi itariki yo gusenya igomba gushyirwaho ikimenyetso nyuma yo gushyirwaho ikimenyetso;

(3) Itariki yo gukora yubuyobozi bwa PCB iri mumezi 2, kandi igomba gukoreshwa mugihe cyiminsi 5 nyuma yo gusenywa.

2. Guteka PCB

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(2) Niba PCB irenze amezi 2 irenze itariki yo gukora, nyamuneka guteka kuri 120 ± 5 ° C kumasaha 1 mbere yo gutangira;

(3) Niba PCB irenze amezi 2 kugeza kuri 6 yumunsi wo gukora, nyamuneka guteka kuri 120 ± 5 ° C mumasaha 2 mbere yo kujya kumurongo;

(4) Niba PCB irenze amezi 6 kugeza kumwaka 1, nyamuneka guteka kuri 120 ± 5 ° C mumasaha 4 mbere yo gutangira;

(5) PCB yatetse igomba gukoreshwa mugihe cyiminsi 5, kandi bisaba isaha 1 yo gutekwa kumasaha 1 mbere yuko ikoreshwa.

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3. Igihe cyo kubika ibicuruzwa bya IC vacuum bipfunyika:

1. Nyamuneka nyamuneka witondere itariki yo gufunga buri gasanduku ko gupakira;

2. Igihe cyo kubika: amezi 12, ibidukikije bibikwa: ku bushyuhe

3. Reba ikarita yubushuhe: agaciro kerekana kagomba kuba munsi ya 20% (ubururu), nka> 30% (umutuku), byerekana ko IC yakoresheje ubuhehere;

4. Igice cya IC nyuma yikidodo ntigikoreshwa mugihe cyamasaha 48: niba kidakoreshejwe, igice cya IC kigomba kongera gutekwa mugihe itangizwa rya kabiri ryatangijwe kugirango gikureho ikibazo cya hygroscopique yibigize IC:

(1) Ibikoresho byo gupakira cyane -ubushyuhe, 125 ° C (± 5 ° C), amasaha 24;

(2) Ntukarwanye ibikoresho bipakira ubushyuhe bwo hejuru, 40 ° C (± 3 ° C), amasaha 192;

Niba udakoresha, ugomba gusubiza inyuma kumasanduku yumye kugirango ubibike.

5. Kugenzura raporo

1. Kubikorwa, kugerageza, kubungabunga, gutanga raporo, ibikubiye muri raporo, n'ibiri muri raporo birimo (umubare wuruhererekane, ibibazo bibi, ibihe byigihe, ingano, igipimo kibi, isesengura ryibitera, nibindi)

2.Mu gihe cyo gukora (ikizamini), ishami ryubuziranenge rikeneye gushakisha impamvu zo kunoza no gusesengura mugihe ibicuruzwa biri hejuru ya 3%.

3. Mu buryo nk'ubwo, isosiyete igomba gukora ibarurishamibare, ibizamini, hamwe na raporo yo kubungabunga kugirango itondere urupapuro rwa raporo ya buri kwezi yohereza raporo ya buri kwezi ku bwiza no mu bikorwa by’isosiyete yacu.

Gatandatu, amabati yo gucapa no kugenzura

1. Paste icumi igomba kubikwa kuri 2-10 ° C. Ikoreshwa ikurikije amahame yambere yambere yambere, kandi kugenzura tagi birakoreshwa. Tinnigo paste ntabwo ikurwaho mubushyuhe bwicyumba, kandi igihe cyo kubitsa byigihe gito ntigishobora kurenza amasaha 48. Ongera usubire muri firigo mugihe cya firigo. Kaifeng ya paste igomba gukoreshwa muri 24 nto. Niba udakoreshejwe, nyamuneka usubize muri firigo mugihe cyo kuyibika no gukora inyandiko.

2. Imashini icapa tin paste yuzuye isaba gukusanya amabati kumpande zombi za spatula buri minota 20, hanyuma ukongeramo amabati mashya buri 2-4h;

3. Igice cya mbere cyikimenyetso cya silike yumusaruro gifata amanota 9 yo gupima ubunini bwikariso y amabati, uburebure bwamabati: umupaka wo hejuru, ubunini bwicyuma cya meshi + ubugari bwa meshi yicyuma * 40%, umupaka wo hasi, ubunini bwicyuma cya mesh + ubunini bwicyuma cya mesh * 20%. Niba ikoreshwa ryibikoresho byo kuvura byacapishijwe bikoreshwa kuri PCB hamwe na curetic ijyanye nayo, biroroshye kwemeza niba ubuvuzi buterwa nuburyo buhagije; kugaruka gusudira kwipimisha itanura ryubushyuhe amakuru aragaruka, kandi byemezwa byibuze rimwe kumunsi. Tinhou ikoresha igenzura rya SPI kandi isaba gupima buri 2H. Raporo yubugenzuzi bugaragara nyuma yitanura, yoherejwe rimwe muri 2 h, kandi igatanga amakuru yo gupima mubikorwa byikigo cyacu;

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5. Mbere yiki gice, kwisuzumisha kwa tin paste ibogamye kandi amabati. Niba icapiro ryacapwe, birakenewe gusesengura impamvu idasanzwe mugihe.

6. Kugenzura neza

1. Kugenzura ibikoresho: Reba BGA mbere yo gutangira, niba IC ari gupakira vacuum. Niba idafunguwe mubipfunyika vacuum, nyamuneka reba ikarita yerekana ubushyuhe kandi urebe niba ari ubuhehere.

(1) Nyamuneka reba umwanya mugihe ibikoresho biri kubikoresho, reba ibintu bibi cyane, kandi ubyandike neza;

(2) Gushyira ibisabwa muri gahunda: Witondere neza neza ibipapuro;

(3) Niba kwipimisha kubogamye nyuma yigice; niba hari igikanda, gikeneye gutangira;

. Nyuma yo kugerageza OK, ugomba gushyira akamenyetso kuri PCBA.

Birindwi, gusubiza no kugenzura

1. Iyo imbeho yo gusudira, shyira ubushyuhe bwitanura ukurikije igice kinini cya elegitoroniki, hanyuma uhitemo ikibaho cyo gupima ubushyuhe bwibicuruzwa bijyanye kugirango ugerageze ubushyuhe bwitanura. Ubushyuhe bwo gutanura mu itanura ritumizwa mu mahanga bikoreshwa kugira ngo huzuzwe niba ibisabwa byo gusudira bya gurş -ubusa amabati yuzuye;

2. / SEC -1 ℃ ～ -4 ℃ / SEC 150 ℃ 60 ~ 120SEC 30 ～ 60SEC 30 ～ 60SEC;

3. Intera intera irenze 10cm kugirango wirinde gushyuha kutaringaniye, kuyobora kugeza gusudira byukuri;

4. Ntukoreshe ikarito kugirango ushire PCB kugirango wirinde kugongana. Koresha iyimurwa rya buri cyumweru cyangwa anti-static ifuro.

8. Kugaragara neza no gusuzuma neza

1. Gukomeza kugaragara muri 2PCS kugirango umenyeshe abatekinisiye;

2.BOT, TOP igomba kugenzurwa ubuziranenge bwa AOI;

3. Reba ibicuruzwa bibi, koresha ibirango bibi kugirango ushireho imyanya mibi, hanyuma ubishyire mubicuruzwa bibi. Imiterere y'urubuga iratandukanye neza;

4. Ibisabwa byumusaruro wibice bya SMT birenze 98%. Hano hari imibare ya raporo irenze igipimo kandi ikeneye gufungura isesengura rimwe ridasanzwe no kunoza, kandi ikomeje kunonosora ikosorwa nta terambere.

Icyenda, gusudira inyuma

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2. Igenamiterere ryibanze risabwa mu gusudira:

a. Igihe cyo gushiramo amabati ni: Peak 1 igenzura kuri 0.3 kugeza 1 isegonda, naho impinga 2 igenzura amasegonda 2 kugeza kuri 3;

b. Umuvuduko wo kohereza ni: 0.8 ～ metero 1.5 / umunota;

c. Kohereza impagarike ya dogere 4-6;

d. Umuvuduko wa spray wumukozi wasudwe ni 2-3PSI;

e. Umuvuduko wa valve inshinge ni 2-4PSI.

3. Gucomeka -mu bikoresho birarenze -kudoda. Ibicuruzwa bigomba gukorwa kandi bigakoreshwa ifuro kugirango itandukane ikibaho n'ikibaho kugirango wirinde kugongana no gusiga indabyo.

Icumi, ikizamini

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2. Ikizamini cya FCT, gerageza gutandukanya ibicuruzwa bya NG na OK, gerageza ikibaho cya OK gikeneye guhuzwa na label yikizamini cya FCT kandi gitandukanye nifuro. Raporo y'ibizamini igomba gukorwa. Inomero yuruhererekane kuri raporo igomba kuba ihuye numero yuruhererekane ku kibaho cya PCB. Nyamuneka ohereza kubicuruzwa bya NG hanyuma ukore akazi keza.

Cumi na rimwe, gupakira

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2. Kurenza ibyoherejwe na PCBA, koresha ibipfunyika bya anti -static bubble bipfunyika (ubunini bwumufuka wa static bubble bigomba kuba bihamye), hanyuma bipakira hamwe nifuro kugirango wirinde imbaraga ziva hanze kugabanya buffer. Gupakira, kohereza hamwe na reberi ihagaze, wongeyeho ibice hagati yibicuruzwa;

3. Agasanduku ka reberi kegeranye kuri PCBA, imbere yisanduku ya reberi isukuye, agasanduku ko hanze kagaragajwe neza, harimo ibirimo: uwabitunganyirije, inomero yerekana amabwiriza, izina ryibicuruzwa, ingano, itariki yatanzwe.

12. Kohereza

1. Iyo byoherejwe, raporo yikizamini cya FCT igomba kuba yometseho, raporo mbi yo gufata neza ibicuruzwa, na raporo yo kugenzura ibyoherezwa ni ngombwa.