Kurumidza Kuchinja PCB China: Nguva Dzekutungamira, Mirairo Yekukurumidza, uye Maitiro Emhando

Izwi rekuti "quick turn PCB China" rinosanganisira zvinhu zvakasiyana-siyana zvekugadzira zvinhu - kubva pakugadzirwa kwebhodhi remaawa makumi maviri nemana pamitsetse yekukurumidza kusvika pakushambadzira kwe "quick turn" kunoshanda kune mapurogiramu emazuva mashanu kana manomwe asingashamisi nechero chiyero. Kune mainjiniya vanoshanda pasi pekumanikidzwa kwekupedzisira, kugona kusiyanisa izvo mafekitori ePCB eChina anogona kuita nekukurumidza kubva pane zvavasingakwanise - uye izvo zvisingadzivisike pamatanho akasiyana ekumhanya - musiyano uripo pakati pemuenzaniso unosvika nenguva neusingasvike.

Gwaro iri rinorondedzera mashandiro chaiwo ekugadzirwa kwePCB nekukurumidza muChina: ndeapi matanho enguva anowanikwa zvechokwadi, ndeapi magadzirirwo anogona kuitwa nekukurumidza pasina kukanganiswa kwemhando, uko kumhanya uye mhando zvinopesana zvechokwadi, uye maitiro ekugadzira odha yako kuti uwane kutumirwa nekukurumidza zvinoenderana nezvaunoda.

Tora Mutengo wePCB weKukurumidza →

Kushanda Kwakaita Kukurumidza Kugadzira PCB

Basa rePCB rinoita nekukurumidza rinoshanda nekuisa zviwanikwa pakutanga kuti ribvise kunonoka kwekuisa mumutsara uye kuronga nguva yekugadzirwa. Kuisa mumutsara wekugadzira kunobvumira fekitori kushandisa mapaneru zvakanyanya — kuisa maodha akawanda pane imwe pani yekugadzira, kuronga ma press cycles kuti aite mabasa akazara, uye kuronga maitiro emakemikari kuti ashande zvakanaka. Izvi zvinowedzera kushanda zvakanaka kwemutengo asi zvinounza nguva yekumirira: odha yako inogona kugara kwemazuva matatu kusvika mashanu pani yekugadzira isati yaunganidzwa uye kugadziriswa kwatanga.

Kukurumidza kutendeuka kunodarika mumutsara uyu nekumhanyisa odha yako pane imwe panel ine nzira inokurumidza - kazhinji panel diki ine mashandiro mashoma, asi iyo inopinda nekukurumidza mukugadzirwa isina kumirira mamwe maodha kuti azadze batch. Fekitori inotora kurasikirwa kwekushanda uye inopa mutengi mari yekuwedzera. Iyi ndiyo nzira huru: kumhanya kunotengwa nekubhadhara kurasikirwa kwekushandiswa kwepanel ine nzira inokurumidza.

Kumhanya kwakawedzerwa kunobva mukuisa zvinhu zvinokurumidza mugwara risati rasvika. Kushanda kwekukurumidza kwechokwadi kunochengetedza magiredhi akafanana eCCL (standard FR-4 1.6mm muhuremu hwemhangura hwakakurumbira, ukobvu hushoma hwakajairika) muzvinhu zvakagadzirwa, zviripo kuti zvikwanise kudhindwa nekukasira. Hapana nguva yekutenga CCL, hapana kumirira zvinhu kubva kumutengesi. Ndokusaka kukurumidza kuchinjika kuchingogumira kumagiredhi ezvigadzirwa zvakajairwa - zvinhu zvakagadzirwa hazvigone kusvika kune ese ma laminate akakosha.

Chinhu chechitatu kuronga nguva yevashandi. Maodha ekukurumidzisa anofamba kuburikidza nekuongorora kweinjiniya, kufungidzira, kuronga, uye kuongorora nekukurumidza, izvo zvinoda vashandi vakatsaurirwa mugwara rinokurumidza kana sisitimu yekuronga nguva inotarisa kukosha kweodha dzekukurumidzisa mukufamba kwekugadzira. Izvi zvinowedzera mari yevashandi iyo inowedzera mutengo wepamusoro.

Matanho Enguva Yekutungamira: Zvinofukidza Nhanho Yese Yekumhanya uye Mari

Chikamu chemaawa makumi maviri nemana: zvazvinoreva chaizvo

Kugadzirwa kwePCB kwemaawa makumi maviri nemana kubva pakutumirwa kwemafaira kuenda kubhodhi rakatumirwa kuripo muChina — asi kunoshanda kune hwindo rakamanikana remagadzirirwo. Kazhinji: mabhodhi ane mativi maviri, 1.6mm FR-4 yakajairwa, huremu hwemhangura hwakatarwa uye musanganiswa wehukuru hwebhodhi unoenderana nemafomati emapani ekugadzira akatoiswa kare, HASL kana OSP surface finish, uye hapana chinodiwa chekudzora-impedance. Mutengo wepamusoro ndewechokwadi — kazhinji 3–5× mutengo wekugadzirwa wakajairwa — uye huwandu hunogumira kune zvinokwana pane panel diki inokurumidza, kazhinji mabhodhi 1–10.

Kune mabhodhi ane mativi mana, kutumirwa kwechokwadi kwemaawa makumi maviri nemana kunogoneka kune mamwe mafekitori ane mativi akawanda akasimba, asi zvinoda kusimbisa kuwanikwa kwechinhu chisati chatengeswa. Mafekitori mazhinji anoshambadza kuti "24-hour PCB" ari kureva nguva yekutanga kugadzirwa, kwete kutumirwa - bhodhi richiri kuda mazuva matatu kusvika mashanu ekutumira DHL mushure mekugadzirwa.

Chikamu chemaawa makumi mana nemasere kusvika kumazuva mashanu: nzvimbo inonaka inoshanda

Kune akawanda mabasa ekuongorora mapurojekiti nemagadzirirwo, nguva yekutungamira yemaawa makumi mana nemasere kusvika mashanu inomiririra musanganiswa unoshanda wekumhanya kunogamuchirwa uye mhando chaiyo yehunyanzvi. Mukati mehwindo iri, mabhodhi eENIG ane mativi mana uye mativi matanhatu ane mitemo yekugadzirwa yakajairwa uye standard FR-4 inogona kugadzirwa yemhando yakazara - flying probe test, AOI, ENIG process chaiyo. Apa ndipo panowanikwa sevhisi yePCB yekukurumidza kubva kuChina inopa kukosha chaiko pasina kukanganisa kwemhando yepamusoro yemaawa makumi maviri nemana.

Maitiro Emhando Yepamusoro Pamabhodhi Ekukurumidza Kutendeuka — Chii Chiri Uye Chisiri Kukanganiswa

Dambudziko rinowanzo bvunzwa nezvekugadzirwa kwePCB nekukurumidza nderekuti kumhanya kunoenderana here nehukuru. Mhinduro yacho yakajeka: mukati memiganhu yakakodzera, mhando haikanganisike pamabhodhi ekumhanya nekukurumidza. Kunze kwemiganhu iyoyo, kumhanya uye mhando zvinopesana zvechokwadi.

Chii chisina kukanganiswa pamabhodhi ekukurumidza kutendeuka

Kuedzwa kwemagetsi (kubhururuka kweprobe) kwakajairika pamabhodhi ese asina chinhu anotendeuka nekukurumidza — iri harisi danho rinotora nguva yakawanda uye harisiyiwi pakumhanya. Kuongorora kweAOI mushure mekufungidzira kwekunze kwechikamu kwakajairika mumafekitori ane mukurumbira ekutendeuka nekukurumidza. Hunhu hwekupedzisa kwenzvimbo yeENIG hahukanganisike nekumhanya — maitiro emakemikari eENIG ane nguva yakatarwa, uye maitiro acho akafanana pabhodhi rinotendeuka nekukurumidza sebhodhi rakajairika. Maitiro ekuongorora eIPC Class 2 anowanikwa pakugadzirwa kwekutendeuka nekukurumidza pasina kukanganisa.

Zvingave zvisingakwanisike pamatanho ekutendeuka nekukurumidza

Kuyerwa kweTDR coupon kunodzorwa kunoda kurongeka kwe coupon, kuyerwa, uye matanho ekunyora anowedzera nguva. Munguva pfupi pfupi dzekutungamira (maawa 24-48), kuyerwa kweTDR hakuwanzo verengerwa; impedance inodzorwa nemaitiro ekugadzirisa chete. Kune magadzirirwo apo impedance yakatarwa asi miganho yekushivirira yakakura, izvi zvinogamuchirwa. Kune magadzirirwo apo ±10% impedance tolerance yakakosha - DDR5, PCIe Gen 4/5, 5G RF paths - usashandise sevhisi yemaawa makumi maviri nemana kana makumi mana nemasere; shandisa mazuva mashanu kana kupfuura kuti ubvumire kusimbiswa kweTDR.

Kuongorora kwechikamu chidiki (kunodiwa pakuongorora mhando yeIPC Class 3 kuburikidza nekuongorora mhando yebharero) inzira yekuyedza inoparadza inoda mabhodhi emuenzaniso kubva panzvimbo uye imwe nhanho yekugadzirisa. Izvi hazviwanikwe panguva dzekutungamira kwemaawa makumi maviri nemana. Kana IPC Class 3 ichidikanwa pakushandisa kwako, shandisa nguva yekutungamira yemazuva manomwe kusvika gumi.

Chii Chinogona Kugadzirwa Nekukurumidza uye Chii Chisingagoneke

Kutumirwa kubva kuChina: Nguva Dzechokwadi Dzekufambisa Pasuo Nesuo

Nguva yekutangira kugadzirwa ihafu chete yehuwandu hwese hwezvinhu zvinotumirwa. Kutumirwa kubva kuChina kuenda kunzvimbo yekupedzisira kunowedzera nguva yakatarwa isingakwanise kudzvinyirirwa zvisinei nekuti mapuranga acho anokurumidza kugadzirwa sei.

DHL Express neFedEx International Priority kubva kuShenzhen zvinowanzoendesa kumaguta makuru eUS (Los Angeles, New York, San Jose) mukati memazuva matatu kusvika mana ekushanda kubva pazuva rekutumira. Nzvimbo dzekuEurope (Germany, UK, Netherlands) dzinowanzo tora mazuva matatu kusvika mashanu ekushanda. Chinhu chikuru ndechekubvisa zvinhu kubva mumitero, izvo zvinogona kuwedzera mazuva matatu kusvika maviri ekushanda zvichienderana nenyika yaunoda kuenda uye kana magwaro ekutumira akazara uye akarurama. Invoice yekutengeserana ine HS code 8534 (macircuits akadhindwa), kukosha kwakarurama, uye ruzivo rwakakwana rwemutumi/mutengesi zvinobvisa zvinhu kubva mumitero nekukurumidza kupfuura magwaro ane zvikanganiso.

Kuverengerwa kwese kwePCB odha kubva kuChina nekukurumidza: kugadzirwa kwemaawa makumi mana nemasere + kurongedza/kutora zvinhu kunze kwezuva rimwe chete = kutanga kwekutumira pazuva rechitatu; mazuva matatu kusvika mana ekufambisa DHL = kutumirwa pazuva re6-7 kubva pakutumira mafaira. Kune nzvimbo dzekuEurope: mazuva matatu kusvika mashanu ekufambisa = kutumirwa pazuva re6-8. Aya ndiwo fungidziro chaiwo eodha dziri nyore dzine magwaro ekutumira akarurama. Wedzera buffer yemazuva 1-2 kune chero mamiriro ezvinhu asina kujairika.

Mari yekutumira inowedzera kukosha kune huwandu hwezvinhu zvidiki zvinotengeswa nekukurumidza. DHL Express kubva kuShenzhen kuenda kuUS kana kuEurope inowanzoita $40–$80 papakeji diki (iri pasi pe2 kg). Ichi chikamu chakakosha chemutengo weodha yemhando ye5-board quick turn prototype uye inofanira kuverengerwa mukuenzanisa mutengo nevatengesi vemuno.

Maitiro Ekugadzira Odha Yako Kuti Uwane Kumhanya Kwakanyanya

Zviito zvinoderedza nguva yekutumira zvinhu zvinonyanya kuenderana nevatengi - kunyanya mukushandiswa kwemafaira ekugadzira neruzivo rweodha.

Tumira mafaira eGerber akazara, akachena neDFM

Chinhu chikuru chinokonzera kunonoka pakutsvaira nekukurumidza inguva yekuongorora kweinjiniya inokonzereswa nemafaira ekugadzira asina kukwana kana kuti asina kujairika. Pakeji yeGerber isina layer yebhodhi, ine machira emasiki ekunamira asingaenderane nemhangura, kana ine mafaira ekuboorera mufomati isiriyo ichagadzira query yeDFM inomisa kugadzirwa kusvika yagadziriswa. Kutsvaira kwekupindura kumubvunzo kunowedzera maawa 4-12 palayer yekutsvaira nekukurumidza - zvingangobvisa mukana wekukurumidza. Tumira mafaira eRS-274X Gerber ane ma layer ese akanyorwa zvakajeka, faira reExcellon drill, bhodhi rakarongwa mulayer yakatsaurirwa, uye chinyorwa chekugadzira chinotsanangura zvese zvinodiwa zvinosanganisira kupedzisa kwenzvimbo, huremu hwemhangura, ukobvu hwebhodhi, uye kirasi yeIPC.

Sarudza dhizaini yakajairika mukati mewindo rekutendeuka nekukurumidza

Zvinhu zvisina kujairika zvinokonzeresa ongororo refu yeinjiniya uye zvinowanzoda kutenga zvinhu zvinobvisa nguva yekutendeuka nekukurumidza. Kana dhizaini yacho ichigona kugadzirwa mu 1.6mm FR-4 yakajairwa ine huremu hwemhangura hwakajairwa, saizi dzemaburi akajairwa, uye kupedzisa kwepamusoro kwakajairwa, shandisa ma parameter iwayo kune ma prototypes. Tsiva zvinhu zvisiri zvejairwa chete kana dhizaini yacho ichinyatsoda izvozvo.

Taura zvinodiwa zve impedance zvakajeka kana kuti zvisiye kwemaawa makumi maviri nemana kusvika makumi mana nemasere ekuraira

Kana dhizaini yacho iine matrace anodzorwa ne impedance uye uchida kugadzirwa kwemaawa makumi maviri nemana kusvika makumi mana nemasere, tsanangura zvakajeka trace geometry (upamhi ne spacing) kwete chinangwa che impedance - izvi zvinobvumira fekitori kugadzira kune geometry yakatarwa pasina danho rekuyera TDR. Unogona kusimbisa impedance wega uchishandisa TDR probe pamabhodhi anogamuchirwa kana zvichidikanwa. Kana kuyerwa kwe impedance kuchidikanwa mumagwaro efekitori, shandisa nguva yekutungamira yemazuva mashanu kana kupfuura.

Pre-clear customs zvinyorwa

Ipa kero yekutumira, ruzivo rwezvekupinza zvinhu (nhamba yeEORI yevanopinda muEU, Nhamba yekupinda muCustoms kana iripo), uye chero zviziviso zvekushandiswa kwekupedzisira panguva yekuraira, kwete kana bhodhi ragadzirira kutumira. Magwaro ekunonoka kwemitengo anononoka kutumira nemaawa makumi maviri nemana kusvika makumi mana nemasere.

Kurumidza Kuchinja PCBA kubva kuChina — Mabhodhi Akaungana Nokukurumidza

Kugadzira PCB nekukurumidza (PCBA) kubva kuChina kwakaoma zvikuru kupfuura kugadzira bhodhi risina chinhu nekuti kuwanikwa kwezvikamu kunowedzera nguva yakazvimirira. Kugadzira PCBA nekukurumidza kunoda kuti zvikamu zvese zvivepo mufekitori usati watanga kugadzira. Kana zvikamu zvichifanira kuodha, kunyangwe kutumira zvikamu nekukurumidza kunowedzera mazuva maviri kusvika mashanu ebhizinesi usati watanga kugadzira.

Kuti PCBA ishandiswe nekukurumidza: kutumirwa nekukurumidza kunowanikwa nezvikamu zvakatumirwa — unotenga zvikamu munharaunda wozvitumira kufekitori pamwe chete nemafaira ekugadzira. Izvi zvinobvisa shanduko yekutenga zvikamu kubva panguva yefekitori. Mamwe mafekitori anochengeta zvikamu zvemidziyo yakajairika (standard resistors, capacitors, specific common MCUs) kuti zvishandiswe nekukurumidza pamirairo yePCBA yakakurumidza, asi kufukidzwa kwemasheya hakumbofi kwapera.

Nguva dzePCBA dzinoshanda nekukurumidza: Mazuva matatu kusvika mashanu ekushanda ekubatanidza zvinhu zviri muruoko (kugadzirwa kwebhodhi risina chinhu + SMT + AOI + bvunzo inoshanda), mazuva manomwe kusvika gumi ekushanda kana zvinhu zvakajairwa zvichifanira kuodwa (kutenga + bhodhi risina chinhu + bvunzo yekubatanidza). Kune magungano akaomarara eBGA anoda kuongororwa neX-ray: wedzera mazuva 1-2.

Basa redu rePCBA rekukurumidza rinotsigira kuungana kwezvikamu zvakatumirwa uye kuungana kweturnkey nekutsvaga kwedu zvikamu. Isu tinopa kuongororwa kweAOI pamisangano yese yeSMT, 3D X-ray yemapakeji eBGA, uye kuyedzwa kwebasa zvichienderana nezvinodiwa nemutengi. Kuti mubvunze nekukurumidza, tumirai mafaira eGerber, BOM, uye mafaira ekuisa zvikamu pamwe chete - kutumira kwakazara kunogonesa ongororo yeDFM yezuva rimwe chete uye kuronga kugadzirwa.

Mibvunzo Inonyanya Kubvunzwa

China inogona kugadzira nekutumira PCB nekukurumidza zvakadii?

Nguva yekutumira zvinhu nekukurumidza kubva pakutumira mafaira kusvika pakugamuchira muUS kana Europe mazuva matanhatu kusvika masere ekushanda: kugadzirwa kwemaawa makumi mana nemasere + mazuva mana kusvika mashanu ekushanda kwekutumira DHL Express. Izvi zvinoshanda kumabhodhi maviri kusvika matanhatu eFR-4 ane zvirevo zvakajairwa. Mabhodhi anoda zvinhu zvakakosha (laminate yakaderera, polyimide), anopfuura matanhatu ezvikamu, kana kusimbiswa kweTDR kunodzorwa kunoda nguva yakareba yekugadzira - mazuva mashanu kusvika manomwe ekushanda mukugadzirwa, pamwe nemazuva mana kusvika mashanu ekutumira.

Basa rePCB rinoitwa maawa makumi maviri nemana kubva kuChina rinogoneka here?

Kugadzirwa kwechokwadi kwemaawa makumi maviri nemana kunogoneka asi kunoshanda chete kumabhodhi eFR-4 ane zvidimbu zviviri (dzimwe nguva zvidimbu zvina) ane zvirevo zvakajairwa. Hazvibatanidzi certification ye controlled-impedance, specialty laminate, zvidimbu zvinopfuura zvina, kana huwandu huri pamusoro pemabhodhi gumi. Mutengo wepamusoro ndewechokwadi - kazhinji mutengo wekugadzirwa kwe3–5×. Bhodhi richiri kuda mazuva matatu kusvika mashanu ekutumira DHL kuti risvike kunzvimbo dzekuUS kana kuEurope mushure mekugadzirwa.

Ko PCB inoshanduka nekukurumidza kubva kuChina zvinoreva here kuti mhando yayo yakaderera?

Hazvisi zvechisikigo. Mukati memiganhu yakatarwa inogoneka nekumhanya kwekutendeuka nekukurumidza, mhando haikanganisike: kuyedzwa kwemagetsi, AOI, uye kuongororwa kweIPC Kirasi 2 ndizvo zvakajairika pakugadzirwa kwekutendeuka nekukurumidza. Zvinogona kunge zvisingakwanisike panguva pfupi pfupi (24–48h) kuyerwa kweTDR coupon inodzorwa-impedance, kuongororwa kwechikamu chidiki (IPC Kirasi 3), uye kukwana kwemagwaro. Kune magadzirirwo anoda zvinhu izvi zvemhando yepamusoro, shandisa nguva yekudzora kwemazuva mashanu kana kupfuura pane nguva yekutendeuka nekukurumidza kwemaawa 24–48.

Mutengo wePCB yekukasira kubva kuChina kusanganisira kutumira chii?

Mutengo wose = mutengo webhodhi rekukurumidza kutendeuka (1.5–5× yakajairika zvichienderana nedanho rekumhanya) + kutumira kweDHL Express ($40–$80 yepuratifomu diki yakajairika kuenda kuUS kana kuEurope). Kune prototype yeFR-4 ine mabhodhi gumi, ine layer 4-layer pakugadzirwa kwemaawa makumi mana nemasere, mutengo wenguva dzose i$150–$350 yemabhodhi pamwe nekutumira kwe$50–$80. Nhamba idzi dzinosiyana zvakanyanya zvichienderana nekuomarara kwebhodhi, saizi, uye zvirevo chaizvo. Kuenzanisa kwakarurama nemutengesi webhodhi rekukurumidza kunofanira kusanganisira nguva yese yekutumira, kwete mutengo webhodhi chete - nguva yekutumira kubva kuChina inowanzoita kuti kutendeuka kwebhodhi rekukurumidza kuve sarudzo chaiyo yezvinodiwa nekukurumidza (vhiki imwe chete).

Ndingatumira sei mafaira ekugadzira PCB nekukurumidza?

Tumira: Mafaira eRS-274X Gerber ane machira ese akanyorwa zvakajeka (machira emhangura, chifukidziro chesolder, silkscreen, dhizaini yebhodhi sefaira rakasiyana), faira rekudhirowa reExcellon rine saizi dzezvishandiso, uye gwaro rekugadzira rakanyorwa rinotsanangura ukobvu hwebhodhi, huremu hwemhangura (machira ese), kupedzisa kwenzvimbo, kirasi yekuongorora yeIPC, uye chero zvinodiwa zve impedance. Tumira mafaira ese sechinyorwa chimwe chete cheZIP chakamanikidzwa. Kutumira kwakakwana, kwakachena kunogonesa ongororo yeinjiniya yezuva rimwe chete uye kuronga kugadzirwa; kutumira kusina kukwana kunokonzera mibvunzo inononoka kutanga nemaawa 4-12.