1. SMT Patch Processing Factory imapanga zolinga zabwino
Chigamba cha SMT chimafuna bolodi yosindikizidwa yosindikizira phala ndi zomata, ndipo pamapeto pake kuchuluka kwa ziyeneretso za bolodi yapamtunda yotuluka mung'anjo yowotcherera imafika kapena kuyandikira 100%. Ziro -chilema kukonzanso -kuwotcherera tsiku, komanso amafuna onse olowa solder kukwaniritsa zina mawotchi mphamvu.
Zinthu zotere zokha zimatha kukwaniritsa zapamwamba komanso kudalirika kwambiri.
Cholinga cha khalidwe chimayesedwa. Pakadali pano, zabwino kwambiri padziko lonse lapansi zomwe zimaperekedwa padziko lonse lapansi, chiwopsezo cha SMT chitha kuwongoleredwa kuchepera kuposa 10ppm (ie 10×106), chomwe ndi cholinga chotsatiridwa ndi malo aliwonse opangira ma SMT.
Nthawi zambiri, zolinga zaposachedwa, zolinga zapakatikati, ndi zolinga zanthawi yayitali zitha kupangidwa molingana ndi zovuta zopangira zinthu, zida ndi milingo yamakampani.
2. Njira yopangira
① Konzani zikalata zokhazikika zamabizinesi, kuphatikiza mabizinesi a DFM, ukadaulo wamba, miyezo yoyendera, kuwunikira ndi kuwunikanso machitidwe.
② Kupyolera mu kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe kake.
③ Kukhazikitsa dongosolo lonse lowongolera. SMT Product Design One Purchasing Control Njira Imodzi Yopanga Kuwunika Kwabwino Kumodzi Kuwongolera Fayilo Yodontha
Chitetezo cha zinthu ntchito imodzi imapereka kusanthula kwa data pamaphunziro amodzi a ogwira ntchito.
Kapangidwe kazinthu za SMT ndikuwongolera kagulitsidwe sikudzayambitsidwa lero.
Zomwe zili mu ndondomeko ya kupanga zikufotokozedwa pansipa.
3. Kuwongolera njira zopangira
Kupanga kumakhudza mwachindunji ubwino wa mankhwalawo, choncho ayenera kuyang'aniridwa ndi zinthu zonse monga magawo a ndondomeko, ogwira ntchito, kuika chilichonse, zipangizo, エ, kuyang'anira ndi kuyesa njira, ndi khalidwe la chilengedwe, kuti likhale pansi pa ulamuliro.
Zowongolera ndi izi:
① Design schema zojambulajambula, msonkhano, zitsanzo, ma CD zofunika, etc.
② Pangani zikalata zamachitidwe azinthu kapena mabuku owongolera magwiridwe antchito, monga makadi oyendetsera ntchito, momwe amagwirira ntchito, mabuku oyendera ndi zoyeserera.
③ Zida zopangira, miyala yogwirira ntchito, khadi, nkhungu, olamulira, ndi zina zambiri zimakhala zoyenerera komanso zogwira mtima.
④ Konzani ndikugwiritsa ntchito zida zoyenera zowunikira ndi kuyeza kuti muwongolere izi mkati mwa zomwe zafotokozedwa kapena zololedwa.
⑤ Pali malo omveka bwino owongolera khalidwe. Njira zazikuluzikulu za SMT ndi kuwotcherera phala kusindikiza, chigamba, kuwotchereranso ndi kuwotcherera ng'anjo yowotcherera kutentha.
Zofunikira pazigawo zowongolera zaubwino (zowongolera zabwino) ndi: logo yoyang'anira khalidwe pamalopo, mafayilo okhazikika owongolera, ma data owongolera.
Zolembazo ndi zolondola, zanthawi yake, ndikumuchotsa, kusanthula deta yowongolera, ndikuwunika pafupipafupi PDCA ndi kuyesedwa koyenera.
Pakupanga kwa SMT, kasamalidwe kokhazikika kamayang'aniridwa pakuwotcherera, guluu patch, ndi zotayika zagawo ngati chimodzi mwazinthu zowongolera zomwe zili munjira ya Guanjian.
Mlandu
Management of Quality Management and Control of Electronics Factory
1. Kulowetsa ndi kuyang'anira zitsanzo zatsopano
1. Konzani kuyitanitsa misonkhano yokonzekera kusanachitike monga dipatimenti yopangira, dipatimenti yabwino, njira ndi madipatimenti ena okhudzana, makamaka kufotokozera momwe makina opangira amapangidwira komanso mtundu wamtundu wa siteshoni iliyonse;
2. Panthawi yopangira ntchito kapena ogwira ntchito zamainjiniya adakonza njira yopangira mayeso, ma dipatimenti ayenera kukhala ndi udindo wa mainjiniya (njira) kuti atsatire kuti athane ndi zovuta zomwe zimachitika pakuyesa ndikulemba;
3. Utumiki wa Ubwino uyenera kuchita mtundu wa ziwalo zogwirira m'manja ndi mayesero osiyanasiyana ogwira ntchito ndi ogwira ntchito pamtundu wa makina oyesera, ndikulemba lipoti lofanana.
2. Kuwongolera kwa ESD
1. Zofunikira m'dera lokonzekera: malo osungiramo zinthu, magawo, ndi malo ochitirako zowotcherera pambuyo powotcherera amakwaniritsa zofunikira zowongolera za ESD, kuyika zida zotsutsana ndi malo pansi, nsanja yochitirapo kanthu imayikidwa, ndipo chotchinga chapamwamba ndi 104-1011Ω, ndi chomangira chamagetsi chamagetsi. (1MΩ ± 10%) yolumikizidwa;
2. Zofunikira pa ogwira ntchito: Kuvala zovala zotsutsana ndi static, nsapato, ndi zipewa ziyenera kuvala pa msonkhano. Mukalumikizana ndi mankhwalawa, muyenera kuvala chingwe chokhazikika;
3. Gwiritsani ntchito zikwama zotulutsa thovu ndi mpweya pamashelefu a rotor, kulongedza, ndi thovu la mpweya, zomwe zimayenera kukwaniritsa zofunikira za ESD. Kulepheretsa pamwamba ndi <1010Ω;
4. The turntable chimango amafuna unyolo wakunja kukwaniritsa maziko;
5. Zida zowonongeka zowonongeka ndi <0.5V, kulepheretsa pansi kwa nthaka ndi <6Ω, ndipo kutsekemera kwachitsulo cha soldering ndi <20Ω. Chipangizocho chiyenera kuwunika mzere wodziyimira pawokha.
3. Kuwongolera kwa MSD
1. BGA.IC. Kuyika kwa ma chubu kumapazi ndikosavuta kuvutika pansi pamikhalidwe yopanda vacuum (nitrogen). Pamene SMT ibwerera, madzi amatenthedwa ndi kusungunuka. Kuwotcherera ndi kwachilendo.
2. BGA control specifications
(1) BGA, amene si unpacking ma CD vakuyumu, ayenera kusungidwa pa malo ndi kutentha zosakwana 30 ° C ndi chinyezi wachibale zosakwana 70%. Nthawi yogwiritsira ntchito ndi chaka chimodzi;
(2) BGA yomwe yatulutsidwa m'mapaketi a vacuum iyenera kusonyeza nthawi yosindikiza. BGA yomwe siinayambike imasungidwa mu kabati yotsimikizira chinyezi.
(3) Ngati BGA yomwe yatulutsidwa sikupezeka kuti igwiritse ntchito kapena yotsalira, iyenera kusungidwa m'bokosi lachinyontho (condition ≤25 ° C, 65% RH) Ngati BGA ya nyumba yosungiramo katundu yaikulu ikuphikidwa ndi nyumba yosungiramo katundu yaikulu, nyumba yosungiramo katundu yaikulu imasinthidwa kuti isinthe kuti igwiritse ntchito kusintha kuti igwiritse ntchito Kusungirako njira zopangira vacuum;
(4) Amene amadutsa nthawi yosungiramo ayenera kuphikidwa pa 125 ° C / 24HRS. Amene sangathe kuwaphika pa 125 ° C, ndiye kuphika pa 80 ° C/48HRS (ngati aphikidwa kangapo 96HRS) angagwiritsidwe ntchito pa intaneti;
(5) Ngati mbalizo zili ndi zophikira zapadera, zidzaphatikizidwa mu SOP.
3. PCB yosungirako mkombero> 3 miyezi, 120 ° C 2H-4H ntchito.
Chachinayi, kuwongolera kwa PCB
1. PCB kusindikiza ndi kusunga
(1) PCB board chinsinsi kusindikiza unpacking tsiku kupanga angagwiritsidwe ntchito mwachindunji mkati 2 miyezi;
(2) Tsiku lopanga bolodi la PCB lili mkati mwa miyezi ya 2, ndipo tsiku lowonongeka liyenera kulembedwa pambuyo pa kusindikiza;
(3) Tsiku lopanga bolodi la PCB liri mkati mwa miyezi 2, ndipo liyenera kugwiritsidwa ntchito mkati mwa masiku 5 pambuyo pakugwetsa.
2. PCB kuphika
(1) Omwe amasindikiza PCB mkati mwa miyezi ya 2 kuchokera tsiku lopanga kwa masiku opitilira 5, chonde phikani pa 120 ± 5 ° C kwa ola la 1;
(2) Ngati PCB iposa miyezi 2 kuposa tsiku lopangira, chonde phikani pa 120 ± 5 ° C kwa ola la 1 musanayambe;
(3) Ngati PCB idutsa miyezi 2 mpaka 6 ya tsiku lopanga, chonde phikani pa 120 ± 5 ° C kwa maola 2 musanapite pa intaneti;
(4) Ngati PCB iposa miyezi 6 mpaka 1 chaka, chonde kuphika pa 120 ± 5 ° C kwa maola 4 musanayambe;
(5) PCB yomwe yaphikidwa iyenera kugwiritsidwa ntchito mkati mwa masiku 5, ndipo zimatengera ola la 1 kuti ziwotchedwe kwa ola limodzi musanagwiritse ntchito.
(6) Ngati PCB kuposa kupanga tsiku 1 chaka, chonde kuphika pa 120 ± 5 ° C kwa maola 4 pamaso Launch, ndiyeno kutumiza PCB fakitale re -kupopera malata kukhala Intaneti.
3. Nthawi yosungiramo zosindikizira za IC vacuum seal:
1. Chonde tcherani khutu ku tsiku losindikizira la bokosi lililonse la zopangira vacuum;
2. Nthawi yosungira: miyezi 12, malo osungirako zinthu: kutentha
3. Yang'anani khadi la chinyezi: mtengo wowonetsera uyenera kukhala wosakwana 20% (buluu), monga> 30% (wofiira), kusonyeza kuti IC yatenga chinyezi;
4. Chigawo cha IC chitatha chisindikizo sichikugwiritsidwa ntchito mkati mwa maola 48: ngati sichigwiritsidwa ntchito, chigawo cha IC chiyenera kuphikidwa kachiwiri pamene kuyambika kwachiwiri kumayambitsa kuchotsa vuto la hygroscopic la chigawo cha IC:
(1) High -kutentha ma CD zinthu, 125 ° C (± 5 ° C), maola 24;
(2) Osakana kutentha ma CD zipangizo, 40 ° C (± 3 ° C), 192 maola;
Ngati simuchigwiritsa ntchito, muyenera kuchibwezeretsa ku bokosi louma kuti musunge.
5. Kuwongolera malipoti
1. Pazantchito, kuyesa, kukonza, kupereka malipoti, zomwe zili mu lipotilo, komanso zomwe zili mu lipotilo zikuphatikiza (nambala ya serial, mavuto oyipa, nthawi, kuchuluka, kuchuluka, kuwunika, ndi zina).
2. Panthawi yopangira (mayesero), dipatimenti yapamwamba iyenera kupeza zifukwa zowonjezera ndi kusanthula pamene mankhwala ali okwera kwambiri mpaka 3%.
3. Mofananamo, kampaniyo iyenera kuwerengera, kuyesa, ndi malipoti okonza kuti ikonze fomu ya lipoti ya mwezi ndi mwezi kuti itumize lipoti la mwezi ndi mwezi ku khalidwe ndi ndondomeko ya kampani yathu.
Six, malata phala kusindikiza ndi kulamulira
1. Phala la khumi liyenera kusungidwa pa 2-10 ° C. Amagwiritsidwa ntchito motsatira mfundo zapamwamba zoyambira koyamba, ndipo kuwongolera ma tag kumagwiritsidwa ntchito. Phala la tinnigo silimachotsedwa kutentha, ndipo nthawi yosungitsa kwakanthawi sayenera kupitilira maola 48. Bwererani ku firiji mu nthawi ya firiji. Phala la Kaifeng liyenera kugwiritsidwa ntchito mu 24 yaying'ono. Ngati sichinagwiritsidwe ntchito, chonde chibwezeretseni mufiriji munthawi yake kuti musunge ndikulemba mbiri.
2. Makina osindikizira a malata odziwikiratu amafunikira kusonkhanitsa phala la malata kumbali zonse za spatula mphindi 20 zilizonse, ndikuwonjezera phala latsopano la malata 2-4h iliyonse;
3. Gawo loyamba la kupanga chisindikizo cha silika limatenga mfundo 9 kuti liyeze makulidwe a phala la malata, makulidwe a makulidwe a malata: malire apamwamba, makulidwe a mesh yachitsulo + makulidwe a mesh * 40%, malire apansi, makulidwe a mesh yachitsulo + makulidwe a mesh yachitsulo * 20%. Ngati ntchito mankhwala chida kusindikiza ntchito PCB ndi lolingana curetic , ndi yabwino kutsimikizira ngati mankhwala amayamba ndi kukwanira; deta yobwereranso yoyezera kutentha kwa ng'anjo imabwezeretsedwa, ndipo imatsimikiziridwa kamodzi patsiku. Tinhou amagwiritsa ntchito kuwongolera kwa SPI ndipo amafuna kuyeza 2H iliyonse. Lipoti loyang'anira mawonekedwe pambuyo pa ng'anjo, lofalitsidwa kamodzi pa 2 h, ndikupereka deta yoyezera kumakampani athu;
4. Kusasindikiza bwino kwa phala la malata, gwiritsani ntchito nsalu yopanda fumbi, yeretsani PCB pamwamba pa malata, ndi kugwiritsa ntchito mfuti yamphepo kuyeretsa pamwamba kuti musiye ufa wa malata;
5. Pamaso pa gawolo, kudzipenda kwa phala la malata ndikokondera komanso nsonga ya malata. Ngati kusindikizidwa kusindikizidwa, m'pofunika kusanthula chifukwa chachilendo mu nthawi.
6. Kuwongolera kwa kuwala
1. Kutsimikizika kwazinthu: Yang'anani BGA musanatsegule, ngati IC ndi phukusi la vacuum. Ngati sichinatsegulidwe m'matumba a vacuum, chonde onani khadi yowonetsera chinyezi ndikuwona ngati ndi chinyezi.
(1) Chonde yang'anani momwe zinthu zilili pamutuwu, yang'anani zinthu zolakwika kwambiri, ndikulembetsani bwino;
(2) Kuyika zofunika pulogalamu: Samalani kulondola kwa chigamba;
(3) Kaya kudziyesa ndikokondera pambuyo pa gawo; ngati pali touchpad, iyenera kuyambiranso;
(4) Mogwirizana ndi SMT SMT IPQC maola 2 aliwonse, muyenera kutenga zidutswa 5-10 ku DIP over-welding, chitani mayeso a ICT (FCT). Pambuyo kuyezetsa Chabwino, muyenera chizindikiro pa PCBA.
Zisanu ndi ziwiri, kubweza ndalama ndi kuwongolera
1. Pamene kuwotcherera overwing, ikani ng'anjo kutentha zochokera pazipita chigawo chamagetsi, ndi kusankha kutentha muyeso bolodi la mankhwala lolingana kuyesa kutentha ng'anjo. Kutentha kwa ng'anjo yochokera kunja kumagwiritsidwa ntchito kuti akwaniritse ngati zofunikira zowotcherera za phala la malata opanda lead zikukwaniritsidwa;
2. Gwiritsani ntchito kutentha kwa ng'anjo yopanda ng'anjo, kuyang'anira gawo lililonse ndi motere, malo otsetsereka ndi kuzizira kozizira nthawi zonse kutentha kutentha nthawi yosungunuka (217 ° C) pamwamba pa 220 kapena kuposa 1 ℃ ～ 3 ℃ /SEC -1 ℃ ～ -4 ℃/SEC 150℃ 60 ~ 120SEC 30 ～ 60SEC 30 ～ 60SEC;
3. The mankhwala imeneyi ndi oposa 10cm kupewa kutentha m'njira, kutsogolera mpaka pafupifupi kuwotcherera;
4. Osagwiritsa ntchito makatoni kuyika PCB kupewa kugunda. Gwiritsani ntchito kusamutsa kwa sabata kapena anti-static foam.
8. Maonekedwe owoneka ndi kuwunika kwamawonedwe
1. BGA imatenga maola awiri kuti itenge X-ray kamodzi nthawi zonse, fufuzani khalidwe la kuwotcherera, ndikuwona ngati zigawo zina ndizokondera, Shaoxin, thovu ndi kuwotcherera ena osauka. Kuwonekera mosalekeza mu 2PCS kudziwitsa akatswiri kusintha;
2.BOT, TOP ikuyenera kuyang'aniridwa kuti izindikire mtundu wa AOI;
3. Yang'anani zinthu zoyipa, gwiritsani ntchito zilembo zoyipa kuti mulembe malo oyipa, ndikuziyika muzinthu zoyipa. Malo a malo amasiyanitsidwa bwino;
4. Zofunikira zokolola za magawo a SMT ndizoposa 98%. Pali ziwerengero za malipoti zomwe zimaposa muyezo ndipo zimafunikira kutsegula kusanthula kamodzi kosagwirizana ndikusintha, ndipo ikupitiliza kukonza kukonzanso kosasintha.
Naini, kuwotcherera kumbuyo
1. Kutentha kwa ng'anjo ya malata yopanda kutsogolo kumayendetsedwa pa 255-265 ° C, ndipo mtengo wocheperako wa kutentha kwa solder pa bolodi la PCB ndi 235 ° C.
2. Zofunikira zoyambira pazowotcherera mafunde:
a. Nthawi yovina malata ndi: Kuwongolera nsonga 1 pa 0.3 mpaka 1 sekondi, ndipo nsonga ya 2 imalamulira masekondi 2 mpaka 3;
b. Liwiro kufala ndi: 0.8 ~ 1.5 mamita / mphindi;
c. Tumizani kupendekera kwa madigiri 4-6;
d. Kupanikizika kwa kupopera kwa wothandizila ndi 2-3PSI;
e. Kuthamanga kwa valve ya singano ndi 2-4PSI.
3. Pulagi -mu zakuthupi ndi pa -the -peak kuwotcherera. Chogulitsacho chiyenera kuchitidwa ndikugwiritsa ntchito thovu kuti alekanitse bolodi kuchokera pa bolodi kuti apewe kugunda ndi kupukuta maluwa.
Khumi, kuyesa
1. Kuyesa kwa ICT, kuyesa kulekanitsidwa kwa zinthu za NG ndi OK, matabwa a OK oyezetsa ayenera kuikidwa ndi chizindikiro cha ICT choyesa ndikusiyana ndi thovu;
2. Kuyesa kwa FCT, kuyesa kulekanitsa kwa zinthu za NG ndi OK, kuyesa bolodi la OK liyenera kuphatikizidwa ku chizindikiro cha mayeso a FCT ndikusiyanitsidwa ndi thovu. Malipoti oyesera akuyenera kuchitidwa. Nambala ya siriyo pa lipotilo iyenera kukhala yogwirizana ndi nambala ya serial pa bolodi la PCB. Chonde tumizani ku malonda a NG ndikuchita ntchito yabwino.
Khumi ndi chimodzi, kulongedza
1. Njira ntchito, ntchito kutengerapo mlungu uliwonse kapena odana ndi malo amodzi thovu wandiweyani, PCBA sangathe zakhala zikuzunza m'miyoyo, kupewa kugunda, ndi kuthamanga pamwamba;
2. Kutumiza kwa PCBA, gwiritsani ntchito anti-static bubble bag thumba (kukula kwa thumba la static kuwira kuyenera kukhala kosasinthasintha), ndiyeno kupakidwa ndi thovu kuteteza mphamvu zakunja kuchepetsa nkhokwe. Kupaka, kutumiza ndi mabokosi a rabara osasunthika, kuwonjezera magawo pakati pa mankhwala;
3. Mabokosi a mphira amaikidwa ku PCBA, mkati mwa bokosi la rabara ndi loyera, bokosi lakunja liri lodziwika bwino, kuphatikizapo zomwe zili: wopanga makina, nambala ya dongosolo la malangizo, dzina la mankhwala, kuchuluka, tsiku loperekera.
12. Kutumiza
1. Mukatumiza, lipoti la mayeso a FCT liyenera kulumikizidwa, lipoti loyipa lokonza zinthu, ndipo lipoti loyang'anira zotumizira ndilofunika kwambiri.
Nthawi yotumiza: Jun-13-2023
