Cov dej noo- Cov Cheebtsam rhiab heev hauv SMT Assembly: MSL Phau Ntawv Qhia

Jul 18, 2026

Tso lus

Txheej txheem cej luam

Ib qho MSL- cov ntawv ntsuas ntsuas tuaj yeem tuaj txog nrog daim ntawv lo tsis zoo, dhau qhov kev kuaj xyuas kom muaj nuj nqis, thiab thauj khoom huv mus rau hauv lub tshuab pub khoom noj. Tsis muaj ib qho ntawm cov tshev no qhia rau pab neeg tsim khoom ntau npaum li cas hauv pem teb tseem nyob.

Cov dej noo- ntsig txog pob puas yog feem ntau tshwm sim thaum lub sij hawm reflow, tsis yog thaum lub sij hawm feeder teeb. Ib pob ntawv uas tsis muaj tshuaj lom yuav zoo li qub ua ntej nkag mus rau hauv qhov cub txawm tias nws cov keeb kwm raug tsis tiav.

Rau SMT sib dhos, MSL tswj tau zoo txhais tau hais tias khi cov chaw tsim khoom muaj pes tsawg tus naj npawb thiab cov kev xaiv pob rau lub hnab - qhib lub sijhawm, ambient exposure, tswj kom qhuav- lub sijhawm khaws cia, thiab txhua qhov seem reflow lossis rov ua haujlwm raug.

Lub hnab ntim dej noo muab ib feem ntawm cov pov thawj. Cov ntaub ntawv -cov ntaub ntawv tuav tshwj xeeb txiav txim siab seb cov ntaub ntawv pov thawj tseem tuaj yeem txhawb kev tsim tawm.

 

Pib nrog MPN Exact, Tsis yog Pob Tsev Neeg

Moisture Sensitivity Level, los yog MSL, piav qhia seb qhov chaw sib cais li cas - pob mount teb tom qab nqus dej thiab ua ntej raug rau cov txheej txheem reflow.

Ob tug qauv feem ntau hais txog:

  • IPC/JEDEC J-STD-020 faib cov dej noo/reflow rhiab heev rau cov khoom siv uas siv tsis tau rau saum npoo av.
  • IPC/JEDEC J-STD-033 hais txog kev tuav, ntim, xa khoom, khaws cia, ziab, thiab siv cov dej noo- thiab cov khoom siv rov qab-rhiab.

Cov qauv no ua haujlwm sib txawv. Kev faib tawm piav qhia tias pob khoom raug ntsuas li cas. Cov ntaub ntawv tuav tau qhia tias muaj dab tsi tshwm sim rau cov khoom siv tiag tiag txij li nws tau txais.

Qhov kev xav tau ntawm MSL yuav tsum tsis txhob muab xam los ntawm cov lus xws li:

  • "Qhov no yog BGA."
  • "Qhov no yog QFN."
  • "Qhov no yog ib feem ntawm tsheb- qib."
  • "Qhov sensor no tuaj txog hauv lub hnab qhuav."
  • "Cov pob no zoo ib yam li lwm MSL 3 ntaus ntawv."

Qhov pib qhov tseeb yog qhov kev txiav txim kom meej.

Kev txheeb xyuas cov ntaub ntawv yuav tsum txuas:

  • tus naj npawb ntawm cov chaw tsim khoom, lossis MPN;
  • lub pob los yog kev txiav txim tom qab;
  • MSL hais;
  • qhov tso cai ncov pob lub cev kub;
  • tsim nyog ua- cov ntaub ntawv voj voog uas tau teev tseg;
  • daim ntawv lo thawj pob;
  • cov chaw tsim khoom siv cov lus qhia tuav tam sim no.

Ob lub khoom siv los ntawm tib tsev neeg cov khoom lag luam yuav muaj cov kev xaiv pob sib txawv, kev ntsuas MSL, qhov kub siab tshaj plaws ntawm pob, lossis cov txheej txheem ua tiav. Pob tsev neeg ib leeg tsis txaus los tsim kom muaj ib lub reel tshwj xeeb yuav tsum tau ua li cas.

Operator verifying component reel labels in an ESD-controlled PCBA material storage area

Tsis yog txhua qhov khoom siv rov qab siv tib txoj kev faib tawm

J-STD-020 feem ntau hais txog cov khoom siv yas nto-mount semiconductor.

Qee qhov LEDs, sensors, modules, optoelectronic li, passive Cheebtsam, connectors, thiab lwm yam reflowed khoom kuj yuav nqa ya raws - los yog txheej txheem -sensitive tuav yuav tsum. Cov kev xav tau no yuav tsum tau lees paub los ntawm MPN qhov tseeb, ntim thawj, cov ntaub ntawv tsim khoom, cov cuab yeej cuam tshuam - tus qauv tshwj xeeb, thiab cov txheej txheem pom zoo.

Lub Hoobkas yuav tsum tsis txhob muab MSL tsuas yog vim tias ib qho khoom siv zoo ib yam li lwm cov dej noo - pob rhiab heev.

 

Pem Hauv Ntej Lub Neej yog lub qhov rais txheej txheem, Tsis yog txee - Hnub Nyoog

MSL pem teb lub neej yuav tsum tsis txhob totaub nrog:

  • hnub tim code;
  • dav dav warehouse txee lub neej;
  • solderability lub neej;
  • tiav- khoom ua haujlwm av noo;
  • hnub tas sij hawm tsis siv neeg tom qab qhib lub hnab.

Pem teb lub neej yog qhov tso cai ambient raug ua ntej cov txheej txheem reflow siv tau raws li cov kev cai.

Standard Floor-Lub neej siv

MSL

Siv lub neej pem teb

Reference ambient condition

1

Unlimited

Tsawg dua lossis sib npaug li 30℃/ 85% RH

2

1 xyoo

Tsawg dua lossis sib npaug li 30℃/ 60% RH

2a

4 lis

Tsawg dua lossis sib npaug li 30℃/ 60% RH

3

168 hnu

Tsawg dua lossis sib npaug li 30℃/ 60% RH

4

72h ua

Tsawg dua lossis sib npaug li 30℃/ 60% RH

5

48 hnu

Tsawg dua lossis sib npaug li 30℃/ 60% RH

5a

24 teev

Tsawg dua lossis sib npaug li 30℃/ 60% RH

6

Siv nyob rau hauv daim ntawv lo - lub sij hawm tau teev tseg thiab ua raws li cov lus qhia tuav lossis rov qab

Raws li tau teev tseg

Cov lus no yog ib qho kev npaj siv. Nws tsis yog lub sij hawm ci universal.

Kev txiav txim siab ntau lawm tseem nyob ntawm:

  • daim ntawv lo tiag pob;
  • cov khoom tsim cov lus qhia;
  • pob khoom -qhov tshwj xeeb ncov- qhov ntsuas kub;
  • yav dhau los ambient raug;
  • tswj- keeb kwm khaws cia;
  • ib qho seem reflow lossis rework cycles.

"Unlimited" rau MSL 1 kuj tsis txhais hais tias unlimited warehouse life. Kev tiv thaiv ESD, pob kev ncaj ncees, oxidation, paug, traceability, thiab solderability tseem cais cov ntaub ntawv - tswj kev txhawj xeeb.

 

Txoj hauv kev zoo los taug qab Reel Keeb Kwm

Daim ntawv qhia MSL piav qhia seb cov khoom ntim tau raug cais li cas. Nws tsis piav txog txhua yam uas tshwm sim rau lub reel tiag tiag tom qab tau txais, qhib, kitting, staging, ib feem siv, cia, thiab rov ua dua.

Hauv phau ntawv qhia no, phau ntawv hla tebchaws cov ntaub ntawv tsuas yog lub npe siv tau rau lub reel- keeb kwm tshwj xeeb uas ua raws cov khoom siv los ntawm cov khoom siv. Nws tsis yog lub npe ntawm daim ntawv IPC/JEDEC.

Txawm tias lub Hoobkas siv MES, daim ntawv lo barcode, daim npav tswj cov khoom siv, lossis phau ntawv teev lus yog qhov thib ob. Dab tsi tseem ceeb yog tias cov ntaub ntawv tseem taw qhia rau qhov tseeb reel lossis ntau thaum cov khoom raug xa rov qab.

Lub keeb kwm muaj txiaj ntsig zoo yuav tsum teb tsib nqe lus nug:

  1. Dab tsi yog cov khoom xyaw thiab pob khoom no?
  2. Nws qhov kev kuaj xyuas tau zoo li cas thaum tau txais?
  3. Thaum twg nws qhib, thiab ntau npaum li cas ambient exposure tau sau?
  4. Dab tsi tswj kev khaws cia lossis cov txheej txheem rov qab tau siv?
  5. Nws puas tuaj yeem tso tawm rau lub voj voog cua sov tom ntej?

Core Reel-Cov Ntaub Ntawv Qib

Cov ntaub ntawv

Vim li cas thiaj tseem ceeb

MPN thiab pob xaiv

Txuas qhov yuav tsum tau tuav mus rau cov khoom siv tiag tiag

Reel, tais, raj, txiav -tape, los yog ntau yam cim

Tiv thaiv ib qho ntaub ntawv keeb kwm los ntawm kev xa mus rau lwm qhov ntau

MSL thiab ncov pob lub cev kub

Tsim kom muaj kev tuav tswj thiab kev txwv rov qab

Original MBB thiab daim ntawv lo

Qhia seb cov ntaub ntawv pov thawj qhuav - pob puas lawm

Hnab- qhib hnub thiab sijhawm

Tsim kom muaj qhov pib ntawm cov ntaub ntawv raug cuam tshuam

Kev nthuav tawm ambient

Cov nyiaj them rau ntau qhov kev sib tw, kev ua yeeb yam, thiab kev tsim khoom

Tswj- lub sijhawm khaws cia

Qhia thaum cov khoom nkag mus thiab tawm hauv qhov kev tso cai cia

Qhuav los yog ci cov ntaub ntawv

Txheeb xyuas cov txheej txheem siv thiab cov khoom uas nws them

Kev tsim khoom thiab kab - rov qab siv

Txuas cov khoom siv tsis siv rau qhov tsim tsim

Thaum tshav kub kub exposures

Qhia seb puas yog lwm qhov kev rov ua dua lossis rov ua haujlwm dua yog tseem npaj

 

Kev Txais: Tshawb xyuas daim ntawv lo, foob, thiab Daim Ntawv Pov Thawj

Thawj cov khoom siv tseem ceeb tsis yog "lub hnab tam sim no."

Lub Hoobkas yuav tsum tau xyuas kom meej tias cov khoom yog tus kheej, qhuav -cov ntaub ntawv ntim, thiab cov ntaub ntawv pov thawj muaj nyob ua ke.

Cov dej noo- cov khoom rhiab tuaj yeem tuaj yeem tuaj raws li:

  • ib qho chaw tsim khoom qhuav pob;
  • ib tug distributor -repacked reel;
  • yav tas los qhib Tshuag;
  • cov neeg siv khoom- khoom siv;
  • ib nrab reel;
  • txiav daim kab xev;
  • xoob cov khoom siv hauv lub tais lossis lub raj.

Ib lub hnab ntim dej tsis zoo, lossis MBB, nrog rau daim ntawv lo, cov ntaub ntawv pov thawj, thiab cov ntaub ntawv txhawb nqa tuaj yeem txhawb nqa nkag mus rau hauv cov txheej txheem khaws cia.

Ib txoj hlua xoob ntawm cov khoom uas tsis muaj nws cov ntaub ntawv pob thawj zaug tuaj yeem tsis tuaj yeem tau txais tib yam xwm txheej tsuas yog vim tias lub cev kos npe zoo li phim BOM.

Ib feem ntawm tus kheej thiab cov dej noo yog cov ntaub ntawv muaj feem xyuam, tab sis lawv tsis hloov pauv. Pab neeg tau txais kev pom zoo tuaj yeem lees paub tias cov khoom siv yog MPN qhov tseeb thaum tseem tsis tuaj yeem lees paub tias nws npaj txhij rau kev rov ua dua.

Hauv kev xyaum, kev txais tsis tshua muaj qhov twg cov ntaub ntawv ua tsis tiav. Qhov taw tes tsis muaj zog feem ntau yog qhov kev sib tw. Lub hnab thiab daim ntawv lo tuaj yeem raug kuaj xyuas kom raug ntawm kev tshuaj xyuas tuaj, tab sis cov xwm txheej siv tau tseem tuaj yeem ploj tom qab yog tias kitting, kab staging, thiab cov khoom xa rov qab tau khaws cia raws li cov ntaub ntawv cais.

Daim npav Humidity Indicator tuaj yeem lees paub dab tsi

Daim npav qhia txog av noo, lossis HIC, muab pov thawj txog cov av noo mus txog hauv MBB.

Nws tsis ncaj qha ntsuas cov dej noo absorbed los ntawm txhua yam khoom hauv pob.

Kev lees txais HIC tsis daws:

  • ib daim ntawv lo MSL uas ploj lawm;
  • lub sijhawm qhib tsis paub dhau los;
  • ib lub hnab punctured los yog tsis zoo resealed hnab;
  • raug ua ntej repacking;
  • sib tov ntau;
  • ib daim ntawv ci ci tsis muaj ntaub ntawv;
  • cov ntaub ntawv khaws tseg uas ploj lawm.

Ib qho HIC txawv txav yuav tsum ua rau muaj kev tshuaj xyuas raws li daim ntawv lo ntawm pob, hom ntawv, cov lus qhia ntawm cov chaw tsim khoom, thiab cov txheej txheem siv tau. Nws yuav tsum tsis txhob raug txo mus rau qhov lees txais tsis raug cai- lossis - tsis lees txais kev txiav txim ntawm SMT kab.

 

Qhib MBB: Pib Cov Ntaub Ntawv Tshaj Tawm

Ib lub reel tsis tas yuav ncav cuag lub tshuab tso kawm ua ntej nws cov keeb kwm raug cuam tshuam.

MBB tuaj yeem qhib rau:

  • kev tshuaj xyuas tuaj;
  • suav kom muaj nuj nqis;
  • daim ntawv pov thawj;
  • cais cov khoom ntawm cov haujlwm;
  • kev tiv thaiv kev tiv thaiv;
  • kev npaj feeder;
  • thawj - kab lus teeb tsa.

Qhib lub hnab rau ib txoj haujlwm luv luv tseem yog cov khoom siv.

Cov ntaub ntawv qhib yuav tsum txuas nrog:

  • MPN thiab pob xaiv;
  • lub reel los yog ntau tus kheej;
  • hnub qhib thiab sijhawm;
  • siv tau MSL;
  • txoj haujlwm lossis cov khoom siv;
  • qhov chaw cia khoom;
  • tus neeg, chaw nres tsheb, lossis txheej txheem qhib cov khoom.

Qhov no yog qhov MSL tuav thiab cov khoom siv sib tshuam.

Kitting tuaj yeem paub meej tias qhov tseeb, qhov ntau, pob, thiab cov qauv tsim muaj. Nws tsis tau lees tias cov khoom yuav nyob hauv nws lub qhov rais raug tso cai thaum lub sijhawm so ntawm txoj haujlwm tau npaj.

Cov khoom siv yuav ua tiav tab sis tseem tsis tuaj yeem tso tawm rau SMT kab yog tias nws cov dej noo- cov ntaub ntawv raug tsis tiav.

Rau cov haujlwm uas muaj cov khoom siv, cov neeg siv khoom- muab, lossis cov khoom xa tuaj, STHL'sCheebtsam Sourcingtxoj kev pabcuam piav qhia txog BOM kev tshuaj xyuas, kev tsim khoom, kev npaj cov khoom siv li cas, thiab cov khoom siv sib txuas nrog PCB sib dhos.

Organized SMT component reels stored on controlled material racks in a PCBA factory

 

Kab Staging: suav lub Sijhawm Tos

Ib lub reel yuav siv sij hawm ntau dua tos dua qhov tso.

Cov ntaub ntawv tuaj yeem nyob sab nraum qhov pom zoo qhuav- qhov chaw cia thaum nws yog:

  • loaded rau ntawm lub laub feeder offline;
  • staged ib sab ntawm qhov chaw tso tshuab;
  • tos ntawm lub teeb trolley;
  • tuav thaum lub sij hawm stencil lossis kev hloov kho;
  • ncua los ntawm lwm yam khoom uas ploj lawm BOM;
  • tos thawj- tsab ntawv pom zoo;
  • nqa hla kev ua haujlwm;
  • cuam ​​tshuam los ntawm kev saib xyuas cov cuab yeej lossis kab nres.

Hauv pem teb -cov ntaub ntawv lub neej yuav tsum suav rau lub sijhawm cuam tshuam sab nraud qhov kev tso cai cia.

Ib ob -teev SMT khiav tsis tau txhais hais tias ob teev ntawm qhov raug thaum lub reel tau qhib thaum ua haujlwm dhau los.

Qhov no yuav nyuaj dua rau kev tswj hwm tus qauv, tus tsav- tsim, thiab siab - sib tov ntau lawm:

  • sib txawv reels rau tib txoj hauj lwm yuav qhib rau ntau hnub;
  • ib feem ntawm cov khoom siv yuav npaj ua ntej BOM tiav;
  • ib lub reel yuav rov qab mus rau kev tswj cia thaum lwm qhov tseem nyob;
  • ib nrab reel tuaj yeem txhawb nqa ntau qhov kev tsim khoom;
  • kab qhov tseem ceeb yuav hloov tau tom qab kev teeb tsa tau pib.

Split builds yog tshwj xeeb tshaj yog yooj yim rau misread. Ib lub reel yuav raug qhib rau thawj zaug -kab lus teeb tsa, siv ob peb yam khoom, rov qab mus rau qhov chaw cia, thiab tom qab ntawd muab tawm dua tom qab lub sijhawm tsim khoom hloov pauv. Cov khoom suav suav yuav luag tsis hloov, tab sis hauv pem teb - txoj hauj lwm lub neej tsis yog.

Hauv pem teb, tus lej muaj txiaj ntsig yog lub neej hauv pem teb uas tseem tshuav ntawm lub reel ntawd - tsis yog lub sijhawm pib ntawm qhov kev txiav txim ua haujlwm.

Daim ntawv cim npe thiab phau ntawv teev lus tuaj yeem ua haujlwm thaum lawv tswj tau, pom tseeb, thiab khi rau cov khoom siv. Ib qho MES tsis daws qhov teeb meem yog tias cov neeg ua haujlwm tsis sau npe qhib, xa rov qab, lossis khaws cov xwm txheej kom raug.

 

Kab Rov Qab: Khaws Hauv Paus Tseem Ceeb -Lub Neej Nyob

Cov khoom siv tsis siv yuav tsum tsis txhob rov qab mus rau cov khoom muag zoo li nws yog cov khoom tsis tau qhib.

Txoj kab tswj hwm- cov txheej txheem rov qab yuav tsum khaws cia:

  • lub MPN;
  • thawj ntau thiab reel tus kheej;
  • lub sij hawm tshem tawm los ntawm kev tso cai cia;
  • cumulative ambient raug;
  • seem pem teb-lub neej raws li txoj cai;
  • kev txiav txim ntau lawm thiab kab siv;
  • lub sijhawm rov qab los;
  • qhov ntim khoom;
  • txhua qhov xwm txheej txawv txav lossis sib txawv.

Qhov no yog ib qho tseem ceeb tshwj xeeb tshaj yog rau cov qauv thiab qis - ntim PCBA tej yaam num, qhov twg ib lub reel yuav txhawb nqa ob peb tsim nyob rau lub sij hawm ntawm lub lis piam los yog lub hlis.

Ib qho kev xa rov qab tsis zoo tshaj plaws yog cov lus huv huv hauv MBB tshiab uas tsis muaj qhov seem -pem teb - lub neej nkag. Lub ntim zoo li tswj tau, tab sis cov txheej txheem ntau lawm tseem tsis tau paub.

Lub reel rov qab yuav tsum khaws nws cov keeb kwm yav dhau los thaum nws nkag mus rau hauv kev tswj hwm cia, rov ntim dua, lossis muab tawm dua.

Daim ntawv lo tshiab yuav tsum tsis txhob overwrite tus thawj ntau tus kheej. MBB tshiab yuav tsum tsis txhob muab pov thawj tias cov khoom siv tau qhuav ua ntej rov ua dua.

PCBA material operator checking returned component reels in an organized ESD storage area

 

Muab ob npaug rau-Sided Assembly: Account rau Thib Ob Reflow Pass

Cheebtsam mounted rau thawj sab tseem yuav pom ib tug thib ob reflow pass.

Ib feem ntawm pawg thawj coj tuaj yeem tos ua ntej:

  • thib ob-sab luam ntawv thiab muab tso rau;
  • lwm lub voj voog reflow npaj;
  • ncua kev tivthaiv installation;
  • kho los yog rework.

Cov phiaj xwm tuav yog li ntawd yuav tsum npog tag nrho cov kev sib dhos ua ntu zus, suav nrog kev tos ntawm sab.

Txoj kev npaj yuav tsum txhais:

  • uas cov kauj ruam soldering yog qhov kawg cuam tshuam thaum tshav kub kub;
  • yuav ua li cas tos tej yam kev mob ntawm lub rooj sib txoos sab yog tswj;
  • qhov twg cov rooj sib txoos ua ke yog khaws cia;
  • uas ntsia tej pob khoom yuav muaj lwm lub voj voog kub;
  • yuav ua li cas ntau lawm qeeb yog escalated;
  • Yuav ua li cas hloov cov khoom siv thaum lub sij hawm rov ua haujlwm.

Kev hloov pauv ntau lawm tuaj yeem xaus thaum cov dej noo- tswj lub luag haujlwm txuas ntxiv.

AOI cov txiaj ntsig tsis hloov cov ntaub ntawv - tuav cov ntaub ntawv. Kev tiv thaiv dej noo yog tswj tau ua ntej rov qab los ntawm cov ntaub ntawv pob, lub sijhawm, kev cia, thiab cov ntaub ntawv pov thawj.

MSL kuj tseem yuav tsum tsis txhob totaub nrog ib puag ncig lossis kev ua haujlwm - cov av noo ntawm cov khoom tiav. Cov no suav nrog cov qauv tsim thiab kev ntsuas kev ntseeg tau.

 

Cia qhuav, rov ntim dua, thiab ci ua haujlwm sib txawv

Cov kev ua no feem ntau ua ke ua ke, tab sis lawv tsis hloov pauv.

Kev ua

Nws ua tau li cas

Dab tsi nws tsis ua pov thawj

Tswj qhuav cia

txwv los yog txhawb kev tswj hwm ntawm kev ya raws ntxiv raws li cov txheej txheem siv

Qhov kev tawm tsam yav dhau los tsis tau tshwm sim

Repacking hauv MBB

Tsim kom muaj kev tswj hwm kev cia khoom thaiv los ntawm qhov taw tes rau pem hauv ntej

Tias cov khoom siv tau qhuav ua ntej sealing

Pom zoo kom qhuav los yog ci

Tshem tawm absorbed noo noo nyob rau hauv cov txheej txheem rov qab

Qhov ntawd ib qho kub thiab lub sijhawm haum rau txhua pob

Tshiab HIC thiab desiccant

Muab cov ntaub ntawv pov thawj rau lub pob khoom tshiab uas tau npaj tseg

Qhov kev tuav pov hwm yav dhau los tau rov tsim kho dua

Qhuav cia tsuas yog txhais tau tias ib yam dab tsi thaum lub txee lub cev, lub sij hawm nyob rau hauv cia, pob, thiab yav dhau los raug paub. "Sau hauv lub txee qhuav" tsis yog cov ntaub ntawv tiav los ntawm nws tus kheej.

Ib yam li ntawd, resealing ib reel tsim ib qho kev cia tshiab. Nws tsis rov tsim dua ib qho keeb kwm raug tsis paub.

 

Ci yog ib txoj kev tswj kev rov qab los

Ci tej zaum yuav xav tau thaum txoj kev pom zoo rov qab hu rau absorbed noo noo kom tshem tawm ua ntej reflow.

Nws yuav tsum tsis txhob siv tau rau txhua qhov qhib reel.

Kev txiav txim siab tswj tau yuav nyob ntawm:

  • qhov tseeb MSL;
  • pob lub cev thickness;
  • paub lossis tsis paub keeb kwm raug kis;
  • raug mob thiab lub sijhawm;
  • cov khoom tsim cov lus qhia;
  • drying kub thiab ntev;
  • cov txheej txheem J-STD-033 siv tau;
  • muaj peev xwm ua haujlwm kub;
  • tshaj tawm - ci kev txheeb xyuas thiab ntim khoom.

▎ Ib txoj cai thoob ntiaj teb xws li cov hauv qab no tsis yog lub luag haujlwm ntawm kev ua haujlwm:

Tag nrho cov khoom MSL raug pom yuav tsum tau ci ntawm 125℃rau 24 teev.

Cov txheej txheem raug yog nyob ntawm cov khoom siv tiag tiag, pob khoom, cov cab kuj, keeb kwm raug, thiab cov lus qhia ntawm cov chaw tsim khoom.

Tsis tsim nyog lossis rov siab dua - qhov kub thiab txias tuaj yeem ua rau muaj kev txhawj xeeb txog cov khoom thauj khoom, cov khoom tiav, lossis cov khoom siv solderability, nyob ntawm qhov thiab cov txheej txheem.

Txheeb xyuas tus neeg nqa khoom ua ntej lub qhov cub

Lub cuab yeej tuaj yeem zam qhov kub thiab txias uas nws cov cab kuj tsis tuaj yeem.

Ua ntej ci, paub meej tias cov khoom puas muaj nyob hauv:

  • ib lub tais ci ci;
  • ib lub tais uas tsis yog- ci;
  • daim kab xev thiab reel;
  • cev;
  • tus neeg siv khoom- khoom ntim khoom;
  • ib ntus cov khoom thauj khoom.

Yog hais tias cov khoom yuav tsum tau xa mus ua ntej ci, qhov kev hloov mus ua lwm yam kev tswj hwm. Kev tiv thaiv ESD, ib feem thiab ntau tus kheej, polarity, kev taw qhia, kev tswj kev sib kis, kom muaj nuj nqis, daim ntawv lo, thiab rov ntim txhua yam yuav tsum nyob twj ywm.

Txwv tsis pub, kev ya raws- kauj ruam rov qab tuaj yeem tsim ntau yam tshiab- tus kheej, kev taw qhia, lossis teeb meem kev sib kis.

 

Thaum Keeb Kwm Tsis tiav: Txhais Kev Ua Haujlwm

Tsis paub keeb kwm yuav tsum tsis txhob hloov mus rau hauv keeb kwm paub los ntawm kev xav.

Khoom mob

Cov lus teb ua ntej SMT tso tawm

Intact MBB, daim ntawv lo, thiab cov ntaub ntawv pov thawj pom zoo

Txheeb xyuas qhov tseeb thiab cov ntaub ntawv pob, khaws cia raws li kev pom zoo, thiab qhib ze rau kev siv ntau lawm

Qhib reel nrog cov ntaub ntawv txuas ntxiv

Paub meej tias qhov tshwm sim tshwm sim thiab tso tawm tsuas yog hauv pem teb tau lees paub- lub qhov rais lub neej

Qhib reel uas tsis muaj cov ntaub ntawv qhib kev ntseeg siab

Tuav cov khoom siv thiab tsim kom muaj kev pom zoo rov qab los yog txoj kev npaj muab pov tseg

Txiav daim kab xev tsis muaj cov ntaub ntawv MSL qub

Tau txais traceability thiab chaw tsim khoom tuav cov ntaub ntawv ua ntej tso tawm

Kev puas tsuaj los yog HIC txawv txav

Saib xyuas kom qhuav, hloov, rov qab, lossis lwm qhov kev pom zoo

Reel rov qab los ntawm SMT kab

Tiv thaiv kev sib kis thiab nkag mus rau qhov pom zoo rov qab los- txheej txheem khaws cia

Mixed ntau los yog merged ib nrab reels

Cais cov khoom thiab rov qab ntau ntau -qib tus kheej

Ib feem koom ua ke board tos lwm reflow

Saib xyuas cov xwm txheej tos tiv thaiv cov pob teeb tsa thiab cov txheej txheem txheej txheem

Yav dhau los ci khoom tsis muaj cov ntaub ntawv traceable

Kho cov xwm txheej rov qab los tsis tau txheeb xyuas kom txog thaum cov ntaub ntawv raug daws

Tus cab kuj tsis paub

Qhia tus neeg nqa khoom lossis hloov cov khoom raws li tus txheej txheem pom zoo ua ntej ci

Thaum lub sij hawm tso tawm, cov ntaub ntawv yuav tsum muaj cov ntaub ntawv pov thawj:

  • tso tawm rau kev tsim khoom hauv pem teb pov thawj-lub neej qhov rais;
  • ua kom tiav cov txheej txheem ziab los yog ci thiab tom qab ntawd rov- tso tawm;
  • tuav rau engineering, zoo, lossis cov neeg siv khoom;
  • hloov lossis xa cov khoom xa rov qab thaum tsis pom zoo.

Lub hnab puas lossis cov ntaub ntawv tsis tiav tsis tuaj yeem ua rau cov khoom siv tsis tau. Nws txhais tau hais tias lub reel tseem tuav kom txog thaum engineering, zoo, lossis cov neeg siv khoom pom zoo rau cov kauj ruam tom ntej.

 

Turnkey thiab Consigned Materials Hloov cov ntaub ntawv pov thawj ciam teb

Cov neeg siv khoom - cov khoom siv tsis tau txais kev ntseeg siab tsawg dua lub Hoobkas - cov khoom siv.

Qhov sib txawv yog ntau npaum li cas ntawm cov keeb kwm kev tuav pov hwm yav dhau los pom rau EMS tus kws kho mob.

Tswj taw tes

Turnkey khoom

Cov neeg siv khoom - khoom siv lossis khoom xa tuaj

Qhov chaw thiab packing keeb kwm

Nquag tswj hwm los ntawm EMS qhov chaw ua haujlwm

Yuav tsum tau muab los ntawm cov neeg siv khoom lossis cov khoom siv sab nraud

Original label thiab MBB

Kev tshuaj xyuas thaum yuav khoom thiab tau txais

Yuav tsum tuaj nrog cov khoom xa tuaj lossis cov ntaub ntawv txhawb nqa

Yav dhau los qhib

Internally tswj thaum cov khoom yog muab tshiab

Tej zaum yuav tsis paub tshwj tsis yog muab cov ntaub ntawv

Txiav daim kab xev los yog ib nrab reels

Tsim los ntawm cov txheej txheem kev tswj hwm sab hauv

Tej zaum yuav tuaj txog yam tsis muaj cov ntawv cim thawj lossis keeb kwm raug

Kev tso cai rov qab

Tswj nyob rau hauv cov txheej txheem kev paub tseeb

Tej zaum yuav xav tau kev pom zoo rau cov neeg siv khoom

Tshaj -cov ntaub ntawv rov qab

Cov xwm txheej tuaj yeem raug kaw thaum txoj haujlwm kaw

Cov tswv cuab yav tom ntej, qhov xwm txheej, thiab lub luag haujlwm khaws cia yuav tsum tau pom zoo

Tsis paub qhov xwm txheej

Internal tuav thiab tuav

Kev txiav txim siab sib koom ntawm EMS tus muab kev pabcuam thiab cov neeg yuav khoom

Ua ntej kev tsim khoom, ob tog yuav tsum pom zoo leej twg tuaj yeem:

  • tso cai rau ci;
  • pom zoo hloov mus rau lwm tus neeg nqa khoom;
  • lees txais tus xa khoom- cov khoom siv rov qab;
  • hloov cov khoom raug;
  • pom zoo siv cov ntaub ntawv nrog cov ntaub ntawv tsis tiav;
  • txais cov nqi lossis cov teebmeem raws sijhawm;
  • tso cai rau tus txheej txheem sib txawv.

Muaj cov khoom siv hauv qhov chaw tsis ua rau kev tsim khoom ua haujlwm -npaj yog tsis muaj leej twg tuaj yeem txhawb nqa lawv qhov kev tso tawm.

 

Dab tsi OEM Cov neeg yuav khoom yuav tsum nug ua ntej SMT tso tawm

OEM cov neeg yuav khoom tsis tas yuav tsim lub Hoobkas sab hauv MSL txheej txheem.

Lawv yuav tsum paub meej tias cov txheej txheem tuaj yeem teb cov lus nug hauv qab no:

  1. Yuav ua li cas yog MSL thiab ncov pob lub cev kub txheeb xyuas?
  2. Dab tsi tshwm sim pib lossis rov pib dua cov ntaub ntawv raug kis?
  3. Yuav ua li cas tos lub sij hawm thaum lub sij hawm kitting thiab kab staging suav nrog?
  4. Cov ntaub ntawv dab tsi ua raws li cov lus tsis siv rov qab rau hauv kev cia?
  5. Yuav ua li cas yog ib feem sib dhos boards ua ntej lwm reflow?
  6. Yuav ua li cas tshwm sim thaum qhib lossis khaws keeb kwm tsis paub?
  7. Leej twg tuaj yeem pom zoo ci, hloov pauv, lossis sib txawv?

Cov ntaub ntawv tseem ceeb ntawm qhov project yuav suav nrog:

  • ua tiav cov chaw tsim khoom ib feem naj npawb;
  • pob khoom thiab xaj cov lus tom qab;
  • kev pom zoo cov channel;
  • muaj MSL thiab ncov-cov ntaub ntawv kub;
  • lub turnkey, hybrid, los yog consigned khoom qauv;
  • thawj MBB thiab cov ntaub ntawv sau npe;
  • yav dhau los qhib, ziab, lossis rov ntim cov ntaub ntawv;
  • qhov xav tau ntawm cov voj voog rov qab;
  • kev npaj cais- ntau lawm lossis rov ua dua- tsim sijhawm;
  • ntau thiab hnub- cov cai cai;
  • txoj cai rov qab los yog hloov;
  • cov lus qhia rau cov khoom siv tsis siv.

Tus neeg muab khoom siv tau- lo lus nug tshuaj xyuas yog:

▎ Piav seb MSL - cov khoom ntsuas ntsuas tau txheeb xyuas li cas, lub sijhawm- taug qab, khaws cia, xa rov qab los ntawm SMT kab, thiab tso tawm los ntawm qhov kawg cuam tshuam rov qab- thiab cov ntaub ntawv uas tsis paub keeb kwm raug coj li cas.

Cov lus nug ntawd qhia ntau ntxiv txog cov txheej txheem dua li nug seb lub Hoobkas puas muaj lub txee qhuav lossis qhov cub ci.

 

Yuav ua li cas STHL Txuas Cov Khoom Tswj Nrog PCB los ua ke

Shenzhen STHL Technology Co., Ltd. (STHL) muab PCB sib dhos thiab qhov project-raws li cov khoom lag luam raws li turnkey, ib nrab -turnkey, hybrid, thiab cov neeg siv khoom- muab lossis xa tawm - cov qauv khoom.

Nyob rau hauv ib txoj haujlwm tau lees paub, cov khoom siv - kev tshuaj xyuas kev npaj yuav npog:

  • qhov tseeb MPN thiab pob xaiv;
  • tuaj qhuav- pob thiab daim ntawv lo;
  • muaj MSL thiab ncov-cov ntaub ntawv kub;
  • qhib lossis raug kaw;
  • tivthaiv-kitting status;
  • tswj-cov ntaub ntawv khaws cia;
  • ci cov ntaub ntawv uas muaj feem xyuam;
  • SMT kab teeb meem thiab xa rov qab;
  • qhov kev npaj rov qab ua ntu zus.

Kev tshuaj ntsuam xyuas thiab cov ntaub ntawv cov ntaub ntawv tseem tuaj yeem nkag rau hauv MES raws li qhov yuav tsum tau ua. Txoj kev taug qab raws nraim, kev cia khoom, txheej txheem rov qab, thiab txoj cai tswjfwm yuav tsum tau lees paub rau tus kheej qhov project thiab qhov xwm txheej ntawm cov khoom tau txais.

Rau cov haujlwm uas xav tau kev npaj cov khoom, SMT qhov chaw, rov ua dua, tshuaj xyuas, thiab kev ua tiav ntau lawm kom muaj kev sib koom tes, tshuaj xyuas STHL'sPCB Assemblypeev xwm.

STHL operator checking component drying and baking equipment for PCBA material control

 

Xaus

MSL tswj tsis yog lub tsev khaws khoom kuaj ua tiav ib zaug thaum tau txais.

Nws yog ib qho txuas txuas ntxiv -cov ntaub ntawv qib uas ua raws li cov khoom siv los ntawm kev ntim khoom qhuav, lub hnab qhib, cov khoom siv kitting, kab staging, tswj cia, kab rov qab, ib nrab ua tiav kev sib dhos, zaum kawg reflow, thiab cov txheej txheem rov qab tau pom zoo.

Ib qho MBB khaws cia qhov xwm txheej. Lub txee qhuav tswj cov xwm txheej mus tom ntej, thaum qhov kev pom zoo ziab lossis txheej txheem ci tuaj yeem rov qab tau cov khoom thaum xav tau. Tsis muaj ib qho ntawm cov kev tswj hwm no hloov pauv keeb kwm kev tuav pov hwm.

Qhov kev txiav txim siab tso tawm kom nyab xeeb tshaj plaws rau cov dej noo- cov khoom tseem ceeb hauv SMT sib dhos yog raws li qhov tseeb ntawm MPN, qhov sib xyaw ua ke, keeb kwm khaws cia, thiab lub voj voog kub tom ntej -tsis nyob ntawm seb lub reel zoo li cas thaum nws ncav cuag lub feeder.

Rau kev tsim uas suav nrog MSL- ntsuas lossis cov neeg siv khoom- cov khoom siv, xa BOM, Gerber cov ntaub ntawv, CPL lossis xaiv- thiab- qhov chaw cov ntaub ntawv, kos duab sib dhos, kom muaj nuj nqis, lub hom phiaj ua lub sij hawm, thiab kev xeem yuav tsum tau los ntawmdaim ntawv nug.

Rau cov khoom xa tuaj, suav nrog txhua lub hnab uas muaj -qhib, qhuav- khaws cia, rov ntim dua, lossis keeb kwm ci. Koj tseem tuaj yeem tiv tauj STHL ntawminfo@pcba-china.com.

 

Cov lus nug nquag

MSL txhais li cas hauv SMT Assembly?

MSL sawv rau Moisture Sensitivity Level.
Nws txheeb xyuas seb qhov chaw siv tau li cas -mount pob teb tom qab nqus dej noo thiab ua ntej raug tshav kub. Kev ntsuam xyuas yog khi rau hauv pem teb tau hais tseg -lub neej, qhuav- ntim, tuav, khaws cia, thiab rov ua haujlwm.

Puas MSL 3 Cheebtsam Ib txwm xav tau ci?

Tsis muaj.
Ib qho MSL 3 tivthaiv yuav raug tso tawm yam tsis muaj ci thaum nws qhuav- cov ntaub ntawv pov thawj, cov ntaub ntawv sib xyaw ua ke, tswj tau- keeb kwm khaws cia, HIC mob, thiab kev npaj rov qab ua ntu zus nyob rau hauv cov kev xav tau.
Kev ci ua rau muaj feem cuam tshuam thaum lub qhov rais raug pov thawj tau dhau lawm, cov keeb kwm tuav tsis tuaj yeem rov tsim kho dua tshiab, lub ntim tau raug cuam tshuam, lossis cov txheej txheem pom zoo yuav tsum rov qab los.

Puas yog Lub Txiaj Ntsig Qhuav rov pib dua MSL Pem Teb Lub Neej?

Tsis tau.
Ib qho kev tsim nyog qhuav- qhov chaw cia tuaj yeem nres ntxiv hauv pem teb- kev siv lub neej lossis kev txhawb nqa rov qab raws li tus txheej txheem tau hais tseg. Tsuas yog tso ib lub reel rau hauv lub txee qhuav tsis tshem tawm cov ntaub ntawv tsis raug ua ntej.
Cov xwm txheej hauv txee, lub sijhawm khaws cia, pob khoom, kev raug mob yav dhau los, thiab cov txheej txheem siv tau txhua qhov teeb meem.

Puas yog MSL Tseem Muaj Teeb Meem Tom Qab Thawj Reflow?

Nws ua tau.
Cheebtsam mounted rau thawj sab tseem yuav muaj ib tug thib ob reflow pass. Yog li ntawd, txoj kev npaj tuav yuav tsum suav rau tag nrho cov kab ke sib dhos, suav nrog kev tos ntawm ob sab thiab tom qab kho lossis rov ua haujlwm raug.

Leej twg yog tus muaj lub luag haujlwm rau cov neeg siv khoom - Muab MSL Cheebtsam?

Lub luag haujlwm yog qhia.
Tus neeg siv khoom yuav tsum muab qhov tseeb ntawm tus kheej, ntim thawj lossis txhawb nqa MSL cov ntaub ntawv, thiab ib qho kev qhib, ziab, rov ntim dua, lossis keeb kwm khaws cia.
Tus neeg muab kev pabcuam EMS yuav tsum tshuaj xyuas cov xwm txheej tau txais, tswj kev tuav haujlwm tom qab tau txais, khaws cov ntaub ntawv siv tau, thiab nthuav tawm cov khoom tsis paub lossis tsis sib haum ua ntej sib dhos.

 
Xa kev nug