1. SMT Patch Processing Factory yana tsara maƙasudai masu inganci
Faci na SMT yana buƙatar allon da'ira da aka buga ta hanyar buga welded manna da abubuwan sitika, kuma a ƙarshe ƙimar cancantar allon taro daga cikin tanderun sake walda ya kai ko kusa da 100%. Ranar sake walda mara lahani na sifili, kuma yana buƙatar duk haɗin gwiwa don cimma wani ƙarfin injin.
Irin waɗannan samfuran ne kawai za su iya cimma babban inganci da aminci.
Ana auna maƙasudin inganci. A halin yanzu, mafi kyawun abin da ake bayarwa na duniya a duniya, ana iya sarrafa ƙarancin lahani na SMT zuwa ƙasa da daidai da 10ppm (watau 10 × 106), wanda shine burin kowane masana'antar sarrafa SMT.
Gabaɗaya, ana iya ƙirƙira maƙasudan kwanan nan, burin tsakiyar lokaci, da kuma dogon lokaci bisa ga wahalar sarrafa samfuran, yanayin kayan aiki da matakan tsari na kamfanin.
2. Hanyar tsari
① Shirya daidaitattun takaddun kamfani, gami da ƙayyadaddun ƙayyadaddun kasuwancin DFM, fasaha na gabaɗaya, ƙa'idodin dubawa, bita da tsarin bita.
② Ta hanyar gudanarwa na tsari da ci gaba da kulawa da kulawa, ana samun babban ingancin samfuran SMT, kuma ana inganta ƙarfin samar da SMT da inganci.
③ Aiwatar da duk sarrafa tsari. Zanewar Samfuran SMT Ɗayan Sarrafa Sayayya Tsarin Samar da Sayi Daya Ingancin Ingancin Gudanar da Fayil ɗin Digo ɗaya
Kariyar samfur sabis ɗaya yana ba da nazarin bayanai na horon ma'aikata ɗaya.
Ba za a gabatar da ƙirar samfurin SMT da sarrafa siye ba a yau.
An gabatar da abun ciki na tsarin samarwa a ƙasa.
3. Gudanar da tsarin samarwa
Tsarin samarwa yana shafar ingancin samfurin kai tsaye, don haka yakamata a sarrafa shi ta kowane yanayi kamar sigogin tsari, ma'aikata, saita kowane, kayan, エ, hanyoyin saka idanu da gwaji, da ingancin muhalli, don haka ana sarrafa shi.
Sharuɗɗan sarrafawa sune kamar haka:
① Zane zane zane, taro, samfurori, buƙatun marufi, da dai sauransu.
② Ƙirƙiri takaddun tsari na samfur ko littattafan jagora na aiki, kamar katunan tsari, ƙayyadaddun aiki, dubawa da littattafan jagora na gwaji.
③ The samar da kayan aiki, workstones, katin, mold, axis, da dai sauransu ko da yaushe m da tasiri.
④ Sanya da amfani da na'urorin sa ido da ma'aunin da suka dace don sarrafa waɗannan fasalulluka a cikin iyakokin ƙayyadaddun ko izini.
⑤ Akwai tabbataccen wurin kula da inganci. Makullin tafiyar matakai na SMT sune bugu na walda, faci, sake waldawa da sarrafa zafin wutar lantarki.
Abubuwan da ake buƙata don wuraren sarrafa ingancin (mahimman kula da ingancin inganci) sune: tambarin ma'auni mai inganci akan tabo, daidaitattun fayilolin sarrafa ingancin inganci, bayanan sarrafawa
Rikodin daidai ne, akan lokaci, kuma yana share ta, bincika bayanan sarrafawa, da kuma kimanta PDCA akai-akai da iya gwadawa.
A cikin samar da SMT, za a gudanar da ƙayyadaddun gudanarwa don walda, facin manne, da hasarar abubuwa a matsayin ɗayan abubuwan sarrafa abun ciki na tsarin Guanjian.
Harka
Gudanar da Gudanar da Inganci da Kula da Masana'antar Lantarki
1. Shigo da sarrafa sabbin samfura
1. Shirya tarurrukan da aka shirya kafin samarwa kamar sashen samarwa, sashen inganci, tsari da sauran sassan da ke da alaƙa, galibi suna bayyana tsarin samar da nau'ikan injinan samarwa da ingancin ingancin kowane tasha;
2. A lokacin tsarin samar da kayan aiki ko ma'aikatan injiniya sun tsara tsarin samar da gwajin layi, sassan ya kamata su kasance masu alhakin injiniyoyi (tsari) don bin diddigin abubuwan da ba su da kyau a cikin tsarin samar da gwaji da rikodin;
3. Ma'aikatar inganci dole ne ta yi nau'in sassa na hannu da ayyuka daban-daban da gwaje-gwaje na aiki akan nau'in injin gwaji, da cika rahoton gwaji daidai.
2. Kula da ESD
1. Processing yankin bukatun: sito, sassa, da kuma post-welding bitar hadu da ESD iko da bukatun, kwanciya anti-a tsaye kayan a kan ƙasa, da aiki dandali ne dage farawa, da surface impedance ne 104-1011Ω, da electrostatic grounding zare. (1MΩ ± 10%) an haɗa;
2. Bukatun ma'aikata: Dole ne a sa tufafin da ba su dace ba, takalma, da huluna a cikin bitar. Lokacin tuntuɓar samfurin, kuna buƙatar saka zoben a tsaye na igiya;
3. Yi amfani da buhunan kumfa da iska don ɗakunan rotor, marufi, da kumfa na iska, waɗanda ke buƙatar biyan buƙatun ESD. Fuskar da ke ƙasa shine <1010Ω;
4. Firam ɗin juyawa yana buƙatar sarkar waje don cimma ƙasa;
5. Wutar yayyo kayan aiki shine <0.5V, ƙarancin ƙasa na ƙasa shine <6Ω, kuma ƙarancin ƙarfe na ƙarfe shine <20Ω. Na'urar tana buƙatar kimanta layin ƙasa mai zaman kansa.
3. MSD iko
1. BGA.IC. Kayan marufi na ƙafar Tube abu ne mai sauƙi don wahala a ƙarƙashin yanayin marufi mara amfani (nitrogen). Lokacin da SMT ya dawo, ruwan yana zafi kuma yana canzawa. Walda ba al'ada ba ne.
2. BGA kula da ƙayyadaddun bayanai
(1) BGA, wanda ba ya buɗe marufi, dole ne a adana shi a wani yanayi mai zafin jiki na ƙasa da 30 ° C da ƙarancin dangi na ƙasa da 70%. Lokacin amfani shine shekara guda;
(2) BGA da aka buɗe a cikin marufi dole ne ya nuna lokacin rufewa. BGA da ba a ƙaddamar da shi ana adana shi a cikin ma'ajin da zai iya tabbatar da danshi.
(3) Idan BGA da aka buɗe ba ta samuwa don amfani ko ma'auni, dole ne a adana shi a cikin akwati mai ƙarfi (sharadi ≤25 ° C, 65% RH) Idan BGA na babban sito ya toya ta babban ɗakin ajiya, ana canza babban ɗakin ajiya don canza shi don amfani da shi don canza shi don amfani da Adana hanyoyin tattarawa;
(4) Wadanda suka wuce lokacin ajiya dole ne a toya su a 125 ° C/24HRS. Wadanda ba za su iya yin gasa su a 125 ° C ba, sa'an nan kuma gasa a 80 ° C / 48HRS (idan an gasa sau da yawa 96HRS) za a iya amfani da su akan layi;
(5) Idan sassan suna da ƙayyadaddun yin burodi na musamman, za a haɗa su cikin SOP.
3. PCB ajiya sake zagayowar> 3 watanni, 120 ° C 2H-4H da ake amfani.
Na hudu, PCB bayani dalla-dalla
1. PCB sealing da ajiya
(1) PCB hukumar sirri sealing kwanan wata masana'anta za a iya amfani da kai tsaye a cikin 2 months;
(2) Kwanan masana'anta na PCB yana cikin watanni 2, kuma ranar rushewar dole ne a yiwa alama bayan hatimi;
(3) Kwanan ƙirar hukumar PCB tana cikin watanni 2, kuma dole ne a yi amfani da shi don amfani a cikin kwanaki 5 bayan rushewa.
2. PCB yin burodi
(1) Wadanda suka rufe PCB a cikin watanni 2 na ranar masana'anta fiye da kwanaki 5, don Allah a gasa a 120 ± 5 ° C na awa 1;
(2) Idan PCB ya wuce watanni 2 fiye da kwanan wata masana'anta, da fatan za a gasa a 120 ± 5 ° C na awa 1 kafin ƙaddamarwa;
(3) Idan PCB ya wuce watanni 2 zuwa 6 na kwanan wata masana'anta, da fatan za a gasa a 120 ± 5 ° C na awanni 2 kafin zuwa kan layi;
(4) Idan PCB ya wuce watanni 6 zuwa shekara 1, da fatan za a gasa a 120 ± 5 ° C na awanni 4 kafin ƙaddamarwa;
(5) PCB da aka toya dole ne a yi amfani da shi a cikin kwanaki 5, kuma yana ɗaukar awa 1 ana toya na awa 1 kafin a yi amfani da shi.
(6) Idan PCB ya zarce ranar masana'anta na shekara 1, don Allah a gasa a 120 ± 5 ° C na tsawon awanni 4 kafin ƙaddamarwa, sannan aika masana'antar PCB don sake fesa tin don zama kan layi.
3. Lokacin ajiya don marufi vacuum hatimi:
1. Da fatan za a kula da ranar rufewa na kowane akwati na marufi;
2. Lokacin ajiya: watanni 12, yanayin yanayin ajiya: a zazzabi
3. Duba katin zafi: ƙimar nuni ya kamata ya zama ƙasa da 20% (blue), kamar> 30% (ja), yana nuna cewa IC ya shafe danshi;
4. Ba a yi amfani da ɓangaren IC bayan hatimin a cikin sa'o'i 48 ba: idan ba a yi amfani da shi ba, dole ne a sake gasa bangaren IC lokacin da aka ƙaddamar da ƙaddamarwa na biyu don cire matsalar hygroscopic na ɓangaren IC:
(1) Babban kayan marufi, 125 ° C (± 5 ° C), 24 hours;
(2) Kada ka yi tsayayya da babban zafin jiki marufi kayan, 40 ° C (± 3 ° C), 192 hours;
Idan ba ku yi amfani da shi ba, kuna buƙatar mayar da shi cikin busasshen akwati don adana shi.
5. Gudanar da rahoto
1. Don tsari, gwaji, kiyayewa, bayar da rahoton rahoto, rahoton abun ciki, da abubuwan da ke cikin rahoton sun haɗa da (lambar serial, matsalolin mara kyau, lokutan lokaci, adadi, ƙima, ƙididdiga, da dai sauransu).
2. A lokacin aikin samarwa (gwajin), sashin inganci yana buƙatar gano dalilan haɓakawa da bincike lokacin da samfurin ya kai 3%.
3. Hakazalika, dole ne kamfani ya ƙididdige tsarin ƙididdiga, gwaji, da rahotannin tabbatarwa don warware takardar rahoton kowane wata don aika rahoton kowane wata zuwa ingancin kamfaninmu da tsarin aiki.
Shida, bugu na kwano da sarrafawa
1. Dole ne a adana manna goma a 2-10 ° C. Ana amfani da shi daidai da ka'idodin ci gaba na farko na farko, kuma ana amfani da ikon sarrafa tag. Ba a cire man tinnigo a cikin zafin jiki ba, kuma lokacin ajiya na wucin gadi bai kamata ya wuce awanni 48 ba. Saka shi a cikin firiji a cikin lokaci don firiji. Ana buƙatar manna na Kaifeng a cikin ƙananan 24. Idan ba a yi amfani da shi ba, da fatan za a mayar da shi cikin firiji a cikin lokaci don adana shi da yin rikodin.
2. Injin bugu na kwano mai cikakken atomatik yana buƙatar tattara tin manna a bangarorin biyu na spatula kowane minti 20, kuma ƙara sabon kwano kowane 2-4h;
3. Kashi na farko na hatimin siliki na samarwa yana ɗaukar maki 9 don auna kauri na ƙwanƙwasa, kauri na kauri: iyakar babba, kauri na ragar karfe + kauri na ragar karfe * 40%, ƙananan iyaka, kauri na ragar karfe + kauri na ragar karfe * 20%. Idan ana amfani da bugu na kayan aikin magani don PCB da madaidaicin magani, yana da dacewa don tabbatar da ko ana haifar da jiyya ta hanyar isasshiyar isashshen; dawo waldi gwajin tanderu data aka mayar, kuma yana da tabbacin akalla sau ɗaya a rana. Tinhou yana amfani da kulawar SPI kuma yana buƙatar auna kowane 2H. Rahoton binciken bayyanar bayan tanderun, ana watsa shi sau ɗaya a kowane sa'o'i 2, kuma yana isar da bayanan ma'auni zuwa tsarin kamfaninmu;
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5. Kafin sashin, binciken kai na gwangwani yana nuna son zuciya da tin tin. Idan an buga bugu, ya wajaba a yi la'akari da abin da ba daidai ba a cikin lokaci.
6. Ikon gani
1. Tabbatar da kayan aiki: Bincika BGA kafin ƙaddamarwa, ko IC ɗin marufi ne. Idan ba a buɗe shi a cikin marufi ba, da fatan za a duba katin alamar zafi kuma duba ko danshi ne.
(1) Da fatan za a duba matsayi lokacin da kayan ke kan kayan, duba babban abin da ba daidai ba, kuma yi rajista da shi da kyau;
(2) Sanya buƙatun shirin: Kula da daidaiton facin;
(3) Ko jarrabawar kai ta kasance mai son zuciya bayan sashin; idan akwai abin taɓa taɓawa, yana buƙatar sake kunnawa;
(4) Daidai da SMT SMT IPQC kowane awa 2, kuna buƙatar ɗaukar guda 5-10 zuwa DIP akan walda, yi gwajin aikin ICT (FCT). Bayan gwada Ok, kuna buƙatar sanya alama akan PCBA.
Bakwai, sarrafawa da sarrafa kuɗi
1. Lokacin overwing waldi, saita zafin tanderu bisa matsakaicin bangaren lantarki, kuma zaɓi allon auna zafin samfurin da ya dace don gwada zafin tanderun. Ana amfani da lanƙwan zafin wuta na tanderun da aka shigo da shi don saduwa ko an cika buƙatun walda na man dalma mara amfani;
2. Yi amfani da zafin wutar tanderu ba tare da gubar ba, sarrafa kowane sashe shine kamar haka, gangaren dumama da gangaren sanyaya a madaidaicin zafin jiki na lokacin narkewa (217 ° C) sama da 220 ko fiye lokaci 1 ℃ 3 ℃ /SEC -1 ℃ ～ -4 ℃/SEC 150℃ 60 ~ 120SEC 30 ～ 60SEC 30 ~ 60SEC;
3. Tazarar samfurin ya fi 10cm don guje wa dumama mara kyau, jagora har sai waldi mai kama-da-wane;
4. Kar a yi amfani da kwali don sanya PCB don guje wa karo. Yi amfani da canja wurin mako-mako ko kumfa anti-static.
8. Duban gani da hangen nesa
1. BGA yana ɗaukar sa'o'i biyu don ɗaukar X-ray sau ɗaya a kowane lokaci, bincika ingancin walda, da kuma bincika ko wasu abubuwan da aka haɗa suna da son zuciya, Shaoxin, kumfa da sauran walda mara kyau. Ci gaba da bayyana a cikin 2PCS don sanar da daidaitawar masu fasaha;
2.BOT, TOP dole ne a duba don ingancin ganewar AOI;
3. Bincika samfurori marasa kyau, yi amfani da lakabi mara kyau don alamar matsayi mara kyau, kuma sanya su cikin samfurori marasa kyau. Matsayin rukunin yanar gizon ya bambanta a fili;
4. Abubuwan da ake bukata na sassan SMT sun fi 98%. Akwai kididdigar rahoton da ta zarce ma'auni kuma suna buƙatar buɗe bincike guda ɗaya mara kyau da haɓakawa, kuma yana ci gaba da haɓaka gyare-gyaren babu ci gaba.
Tara, walda baya
1. Ana sarrafa zafin zafin tin da ba shi da gubar a 255-265 ° C, kuma mafi ƙarancin ƙimar zafin haɗin gwiwa na solder akan allon PCB shine 235 ° C.
2. Abubuwan buƙatu na asali don walda igiyar ruwa:
a. Lokacin jiƙan tin shine: Ƙoƙarin sarrafawa na 1 a 0.3 zuwa 1 seconds, kuma mafi girman 2 yana sarrafa 2 zuwa 3 seconds;
b. Gudun watsawa shine: 0.8 ~ 1.5 mita / minti;
c. Aika kusurwar karkarwa 4-6 digiri;
d. Matsakaicin fesa na wakilin welded shine 2-3PSI;
e. Matsakaicin bawul ɗin allura shine 2-4PSI.
3. Abubuwan toshe-in sun ƙare - walƙiya mafi girma. Ana buƙatar yin samfurin kuma a yi amfani da kumfa don raba allon daga allon don guje wa karo da shafa furanni.
Goma, gwadawa
1. Gwajin ICT, gwada rabuwa da samfuran NG da OK, gwajin OK allon yana buƙatar liƙa tare da alamar gwajin ICT kuma daban da kumfa;
2. Gwajin FCT, gwada rabuwar samfuran NG da OK, gwada allon OK yana buƙatar haɗawa da alamar gwajin FCT kuma daban da kumfa. Ana buƙatar yin rahoton gwaji. Ya kamata lambar serial ɗin da ke kan rahoton ta yi daidai da lambar serial a allon PCB. Da fatan za a aika da shi zuwa samfurin NG kuma kuyi aiki mai kyau.
Goma sha ɗaya, marufi
1. Tsari aiki, amfani da mako-mako canja wuri ko anti-static lokacin farin ciki kumfa, PCBA ba za a iya stacked, kauce wa karo, da kuma saman matsa lamba;
2. Sama da jigilar PCBA, yi amfani da marufi na jakar kumfa na anti-static (girman jakar kumfa dole ne ya kasance daidai), sannan kuma a haɗa shi da kumfa don hana sojojin waje daga rage ma'aunin. Marufi, jigilar kaya tare da kwalayen roba na tsaye, ƙara ɓangarori a tsakiyar samfurin;
3. Akwatunan roba suna tarawa zuwa PCBA, ciki na akwatin roba yana da tsabta, akwatin waje yana da alama a fili, gami da abun ciki: masana'anta sarrafa, lambar umarni, sunan samfurin, adadi, kwanan watan bayarwa.
12. Shipping
1. Lokacin jigilar kaya, dole ne a haɗa rahoton gwajin FCT, mummunan rahoton tabbatar da samfur, kuma rahoton dubawar jigilar kaya yana da mahimmanci.
Lokacin aikawa: Juni-13-2023
