Ubomi beShelf kunye neendleko zePCBA

I-PCBA sisishunqulelo sendibano yebhodi yesekethe eprintiweyo ngesiNgesi, oko kukuthi, i-PCB engenanto idlula kwi-SMT yokulayisha okanye yonke inkqubo ye-dip plug-in, ebizwa ngokuba yi-PCBA ngokufutshane Le yindlela yokubhala esetyenziswa ngokuqhelekileyo e-China, ngelixa indlela yokubhala esemgangathweni eYurophu naseMelika i-pcb’a ene-“’”, ebizwa ngokuba sisaci esisemthethweni. Nantsi ixesha elide I-PCBA iimveliso zokucubungula zingagcinwa.
Zingagcinwa ixesha elingakanani iimveliso ezicwangcisiweyo zePCBA.


I-PCBA ibhekisa kwibhodi yesekethe enamacandelo ahlukeneyo adityanisiweyo kumphezulu wayo. Abantu bahlala benikela ingqalelo ekuthembekeni kwayo kwexesha elide kunye nokusebenza okuphezulu, kwaye ngamanye amaxesha kufuneka bazi ubomi bayo beshelufu. Ngokubanzi, ubomi bokugcinwa kweemveliso ezicutshungulweyo ze-PCBA yiminyaka eyi-2-10, echatshazelwa kakhulu zezi zinto zilandelayo:
1. Indalo esingqongileyo
Okusingqongileyo okufumileyo nothuli ngokucacileyo akulungele ukulondolozwa kwe-PCBA. Ezi zinto ziya kukhawulezisa i-oxidation kunye nobumdaka be-PCBA kwaye bufutshane ubomi beshelufu be-PCBA. Ngokubanzi, kuyacetyiswa ukuba ugcine i-PCBA kwindawo eyomileyo, engenathuli enobushushu obungaguqukiyo obuyi-25 ℃.
2. Ukuthembeka kwamacandelo
Ukuthembeka kwamacandelo kunye neenxalenye kwi-PCBA ezahlukeneyo kwakhona kumisela ubukhulu becala ubomi beshelufu be-PCBA. Amacandelo kunye neenxalenye ezinemathiriyeli ekumgangatho ophezulu kunye neenkqubo zinamandla okuxhathisa imimandla enzima, enoluhlu olubanzi lwezakhono kunye nokumelana ne-oxidation eyomeleleyo, enika isiqinisekiso sozinzo lwePCBA.
3. Inkqubo yonyango yezinto eziphathekayo kunye nomphezulu webhodi yesekethe
Izinto eziphathekayo zebhodi yesekethe ngokwazo azichatshazelwa lula yimekobume, kodwa inkqubo yayo yonyango yomhlaba ichaphazeleka kakhulu yi-oxidation yomoya. Unyango olulungileyo lomphezulu lunokwandisa ubomi beshelufu ye-PCBA.
4. PCBA ibhodi eqhuba umthwalo
Umthwalo wokusebenza kwe-PCBA yeyona nto ibalulekileyo kubomi bayo bokugcina. Ukusebenza ngokuphindaphindiweyo kunye nomthwalo ophezulu kuya kuba nefuthe eliphezulu eliqhubekayo kwimigca yebhodi yesekethe kunye namacandelo, okuya kuba lula ukuba i-oxidize phantsi kweempembelelo zokufudumeza, okubangelwa isiphaluka esifutshane kunye nesekhethi evulekileyo ngexesha lokusebenza kwexesha elide. Ngoko ke, iiparamitha zokusebenza zebhodi ye-PCBA kufuneka zibe phakathi koluhlu oluphakathi lwamacandelo kwaye ugweme ukusondela kwixabiso eliphezulu, elinokukhusela ngokufanelekileyo i-PCBA kunye nokwandisa ubomi bayo bokugcina.
Ubomi beshelufa yeemveliso ezicwangcisiweyo ze-PCBA ngumsebenzi obanzi, ekufuneka ulandele iinkcukacha zoyilo lwenzululwazi, iinkcukacha zenkqubo yokuvelisa kunye neenkcukacha zokusebenza, ukuze kwandiswe ubomi beshelufu.
Oku kungentla kuchaziwe kunye nezinto ezinokugcinelwa I-PCBA iimveliso zokulungisa. Ndiyathemba ukuba ingakunceda.

 

Ngoku kukho izixhobo zombane ezininzi, okoko nje iimveliso ezinokusetyenziswa kufuneka PCB, abavelisi abaninzi beemveliso zombane abazi ukuba bahlawulise njani ukusetyenzwa kwePCBA. Iindleko zokusetyenzwa kwePCBA ziqulunqwe zizo.
PCBA patch processing cost ukwakheka
1. Umrhumo wePCB (ukuba uzibonelela ngokwakho, awusayi kubizwa);
2. umrhumo wokuthenga icandelo (ukuba ubonelela oku ngokwakho, kukwasimahla);
3. Imali yokulungisa iSMT (i-SMD chip +dip post welding);
4. Umrhumo we-PCBA wovavanyo kunye nemali yendibano.
Ukubalwa kweendleko zePCBA patch processing
1, umrhumo webhodi yePCB
Ukuba ufuna ukufumana umqhubekekisi wePCBA ukukunceda uqhubeke, kufuneka unikeze iifayile zePCB kunye noluhlu lweBOM. Iprosesa ye-PCBA iya kukunceda wenze iibhodi ezingenanto zePCB ngokweefayile zakho zePCB. Ngeli xesha, inxalenye yokuqala yeendleko, umrhumo webhodi yePCB, iya kwenziwa. Iindleko zebhodi yePCB ixhomekeke kwinkqubo yobunzima bebhodi. Ngokomzekelo, amaxabiso ebhodi ye-4-layer, ibhodi ye-8-layer, i-aluminium substrate kunye nebhodi ye-carbon inki iyahluka. Ewe kunjalo, unokufumana eyakho i-PCBA ibhodi yomzi-mveliso ukuze iqhubeke. Ixabiso ngokuqinisekileyo alitshiphu kangako. Ngapha koko, kufuneka kubekho isaphulelo kwintsebenziswano yexesha elide yabanye. Nceda uzive ukhululekile ukuba nguzwilakhe wasekhaya.
2, Ixabiso lokuthenga icandelo
PCBA patch processing part II iindleko, icandelo ixabiso lokuthenga. Umenzi wokucubungula uthenga amacandelo kunye neenxalenye ozifunayo ngokwe-BOM. Xa kuthengwa amacandelo kunye neengxenye, ngenxa yokulayishwa kwediski ezifana ne-resistors kunye ne-capacitors kunye nokulahleka kwe-chip ye-SMT (njengokuxhuma ibhodi engafanelekanga, ukungacoci i-coil tape ngexesha, njl.), malunga ne-5% yokulahlekelwa kwezinto kufuneka zifakwe; Abavelisi banentsebenziswano yexesha elide kunye nabavelisi becandelo, ngoko ke ixabiso liya kuba liphantsi.
3, Imali yokulungisa i-SMT (itshiphu ye-SMD +dip post welding)
Xa ubala umrhumo wokusetyenzwa kwe-SMT, kufuneka uqale ubone ukuba inkulu kangakanani ibhetshi yakho yokusetyenzwa. Ukuba ingaphezulu kwe-2000pic, akukho mfuneko yokubiza umrhumo wobunjineli, kungenjalo kuya kubakho intlawulo yobunjineli eyongezelelweyo. Emva koko, bala inani lamanqaku aphindwe ngexabiso leyunithi yamanqaku. Ixabiso leyunithi yeepatch points liphakathi kwe-0.01-0.015 yuan. Inani lamanqaku libalwa ngokwezikhonkwane ezibini ze-SMT patch material kunye ne-pin enye ye-dip plug-in. Phinda kabini. Ucokiso lunokwahlulwa lube:
1.0402 element ibalwa njenge 0.015 ichaphaza ngalinye * imali 0603-1206 amacandelo abalwa 0.015 ngenqaku ngalinye * imali
2. enye ipini yezinto ezifakwe kwiplagi yingongoma; Ibalwa njenge-0.015 ngenqaku ngalinye * imali.
3. izikhonkwane ezine zohlobo lwe-slot zinenqaku elinye; Ibalwa njenge-0.015 ngenqaku ngalinye * imali.
4. common IC, 4 pins are 1 point; It is calculated as 0.015 per point * currency.
5. iphini elishinyeneyo IC, izikhonkwane ezibini zinqaku elinye; Ibalwa njenge-0.015 ngenqaku ngalinye * imali.
6. imilenze emibini ye-BGA inqaku elinye; Ibalwa njenge-0.015 ngenqaku ngalinye * imali.
7. umatshini oncamathiselwe izinto ezininzi ziya kubalwa ngokuphinda kabini umthamo wamacandelo.
8. umrhumo owongezelelweyo ubalwa njenge 20 yuan * ngeyure
9. ikowuteshini ayibandakanyi umrhumo wovavanyo, umrhumo wokuthutha, irhafu, njl.
I-4, intlawulo yovavanyo lwe-PCBA kunye nemali yendibano
Umrhumo we-PCBA wovavanyo ngokubanzi ubalwa njenge-yuan ezi-2 ngepleyiti nganye, kunye nendibano yePCBA kunye nomrhumo wokupakishwa, oqhele ukuba yi-0.8 yeyuan ngepleyiti nganye. Esi sisahlulo sesine somrhumo.
Dibanisa iinxalenye ezine ezingentla zeendleko, eziziindleko zokusetyenzwa kwe-PCBA patch.
Oku kungasentla yindlela yokubiza PCBA patch processing? Intshayelelo kuqulunqo lweendleko zokucwangcisa isiziba sePCBA, ndiyathemba ukuba inokukunceda, kwaye ndifuna ukwazi ngakumbi malunga. I-PCBA ukusetyenzwa kolwazi.