IPC J-STD-001: Makirasi, Zvinodiwa, uye RFQ Specification

IPC J-STD-001 ndiyo mwero weindasitiri unotsanangura zvinodiwa zvekubatanidza magetsi neemagetsi zvakasungirirwa — zvinhu, nzira, uye zvinodiwa zvekugamuchira kugadzira joint inosungirirwa yakavimbika. Kana mugadziri wekondirakiti yako akati bhodhi "rakagadzirwa zvinoenderana neJ-STD-001 Kirasi 2," izvi ndizvo zvinorehwa uye nei zvichikosha. Gwaro iri rinotsanangura zvinofukidza mwero uyu, kuti makirasi awo akasiyana sei, kuti unoenderana sei neIPC-A-610, uye kuti ungaitsanangura sei nemazvo kuitira kuti mabhodhi ako avakwe uye aongororwe padanho rakakodzera neHighleap Electronics.

1. Chii chinonzi IPC J-STD-001 uye inofukidza chii?

IPC J-STD-001 ndiyo standard yeIPC ine musoro unoti "Zvinodiwa zveSoldered Electrical and Electronic Assemblies," uye inotsanangura kuti solder joint inoenderana nezvinodiwa inofanira kugadzirwa sei - ichifukidza zvinhu, maitiro, uye zvinodiwa zvinosarudza kana solder inopfuura. Inotarisa maitiro nezvinodiwa: inodzora soldering pachayo, kusanganisira solder neflux zvinhu, kubata, kuchena, uye hunhu hunofanira kuratidzwa nesolder joint.

Nekuti imhando yekusonesa, J-STD-001 igwaro rinobatanidza ruzivo rwakawanda rwemaitiro anodzorwa nefekitori yePCBA zuva nezuva: sarudzo pakati penzira yekusonesa ine lead kana isina lead , nzira yekubuda nekuchena, uye kuongororwa kunosimbisa kuti majoini anosangana nezvinodiwa. Iri mukati memhuri yakakura yemitemo yeIPC inodzora maPCB nemasangano, uye inotaurwa zvakanyanya muzvibvumirano nekuti inopa mutengi nemugadziri tsananguro yakagovaniswa, yakanangana yejoini inogamuchirwa panzvimbo petarisiro dzisina kujeka.

2. IPC J-STD-001 Kirasi 1 vs Kirasi 2 vs Kirasi 3

IPC J-STD-001 inotsanangura makirasi matatu ezvigadzirwa zvichienderana nezvinodiwa zvekuvimbika: Kirasi 1 yemagetsi akajairika, Kirasi 2 yemagetsi akatsaurirwa, uye Kirasi 3 yemagetsi akavimbika zvikuru uko kutadza kusingabvumirwe. Kirasi yaunosarudza inotara kuti mitemo yekusonesa nekugamuchira yakasimba sei, uye inokanganisa zvakananga mutengo negoho.

Ruzhinji rwemabasa ekutengeserana iKirasi 2, nepo Kirasi 3 ichisimudzira mwero wekuzadza majoini, miganhu yekudzima, zvinodiwa zvepurasitiki, uye kuoma kwekuongorora zvigadzirwa uko kutadza kusingagamuchirwi. Kutsanangura Kirasi 3 pabhodhi rinongoda Kirasi 2 chete kunowedzera mutengo pasina pundutso, saka kirasi inofanira kuenderana nezvinodiwa zvechigadzirwa zvechokwadi. Zvinodiwa zvakadzama zviri shure kwezvikamu izvi zvakafukidzwa mutsananguro iyi paIPC Kirasi 2 vs Kirasi 3 , uye kutanga kwakafara pamusoro pezvinoreva makirasi eIPC kunobatsira kana uri kusarudza kekutanga.

3. J-STD-001 vs IPC-A-610: musiyano uripi?

J-STD-001 chiyero chemaitiro chinokuudza maitiro ekugadzira solder joint inoenderana, nepo IPC-A-610 chiyero chekugamuchirwa chinokuudza maitiro ekutonga mubatanidzwa wapera - vaviri ava shamwari, kwete makwikwi. J-STD-001 inodzora maitiro ekusonesa uye zvinodiwa zvayo; IPC-A-610 ("Kugamuchirwa kweMagungano eMagetsi") inopa zviyero zvinoratidzwa zvekugamuchira/kuramba zvinoshandiswa nevaongorori kuti vaongorore mhedzisiro.

Mukuita, mugadziri anoshanda kune ese ari maviri: J-STD-001 inodzora zvinhu, kubata, uye maitiro anogadzira majoini, uye IPC-A-610 inotsanangura zvinoonekwa uye mativi ekuzvigamuchira. Ose ane chimiro chimwe chete cheKirasi 1/2/3, saka bhodhi rakatsanangurwa se "Kirasi 2" rine zvinoreva zvakafanana mukuvaka nekuongorora. Kune mutengi, chidzidzo chiri nyore - kutaura kirasi uye zviyero izvi pamwe chete zvinopa mutauro mumwe chete wemhando kubva pakusungirirwa kusvika pakuongorora kwekupedzisira, izvo chaizvo zvinovakirwa padanho rekuongorora mhando yePCB.

4. Maitiro ekusarudza J-STD-001 paRFQ yako nemazvo

Kuti utsanangure J-STD-001 nemazvo, taura kirasi yechigadzirwa (kazhinji Kirasi 2 kana Kirasi 3), ingave yakagadzirwa ne lead kana kuti isina lead, zvinodiwa pakuchena, uye chero ongororo kana magwaro aunoda kuendeswa. Chirevo chakazara chinoita kuti fekitori itengese mutengo uye ivake chinodiwa chaicho pane kufungidzira, ndipo panowedzera mari zvishoma nezvishoma. Isa izvi paRFQ:

• Kirasi yechigadzirwa. Kirasi yechipiri yemabasa mazhinji ekutengeserana, Kirasi yechitatu yezvigadzirwa zvinovimbika zvikuru — uye Kirasi yechitatu chete ndiyo inoda kuvimbika kwacho.
• Maitiro ekusonesa. Inotungamirwa kana kuti isina mutobvu, sezvo izvi zvichitungamira alloy, profile, uye kubata.
• Kuchena uye kuputira. Hazvina kucheneswa, kusukwa, kana kuti conformal coating zvinotevera, sezvo zvinodiwa zvezvisaririra zvichienderana nazvo.
• Kuongorora uye zvinyorwa. Kunyangwe uchida AOI, X-ray yemajoini akavanda, mvumo yekutanga, kana mishumo yebvunzo inounzwa nemayuniti.

Kubatanidza kirasi neongororo yekutanga usati wapedza kuverenga ndiyo nzira inonyanya kushanda yekusimbisa kuti chivakwa chacho chinosangana nezvinodiwa usati wazvipira kuita zvakawanda.

5. Zvinodzorwa neJ-STD-001 pakugadzira

Pasi, J-STD-001 inodzora zvinhu zvekongiri zvinoita kuti joini ive yakavimbika: solder alloy uye flux, tembiricha inobuda panguva yekudzoreredza mvura, kunyorovesa uye kugadzirwa kwefillet, kuzadza maburi, miganhu yekubvisa mvura, uye kubata kunodzivirira kusvibiswa uye kukuvara kwemagetsi. Idzi ndidzo shanduko dzinofanirwa kuchengetwa nemugadziri mukati memiganhu yechiyero chekirasi yawataura, uye ndipo panowanikwa chivakwa "chinoenderana" chaicho.

Mamwe anotakura huremu hwakakura. Kunyorovesa uye fillet - kuti solder inoyerera sei uye inosunga pad ne lead - ndiyo moyo unoonekwa wemhando yejoint, uye standard inoisa zvinodiwa zvechimiro uye kufukidzwa kwefillet kunogamuchirwa. Kana isina chinhu, magasi akaiswa mukati mejoint anoderedza simba rayo uye kupisa kwayo, ane miganhu inoenderana nekirasi uye anosimbiswa pamajoints akavanzwa neX -ray inspection . Kune majoints anoburitswa neburi, vertical fill yebarrel ndiyo nzira huru, sezvo bharel rakazadzwa zvishoma risina simba remakanika uye magetsi. Uye nekuti kupisa kwakanyanya kunokuvadza zvikamu ne laminate, standard inodzivisa kupisa kwemaitiro ekusolder - ayo akabatana zvakananga nekumhanya kwakakodzera reflow profile . Mitemo yekubata inoitenderedza: electrostatic-discharge protection uye kuchena control zvinodzivirira kukuvara kwakavanzika uye ngura izvo pasina kuongororwa kwejoint pachayo zvingaratidza, ndosaka kuongorora kwakakura kwemhando kuchitenderera danho rekusolder.

6. Maitiro eHighleap ekuvaka nekuongorora J-STD-001

Highleap inovaka magungano kuJ-STD-001 mukirasi yawakasarudza, ichitsigirwa nekudzora zvinhu, kurangana kwemaitiro, uye kuongorora zvinodiwa nechiyero. Kuburikidza neSMT PCB assembly , zvinhu zvinosungirirwa uye zvinoyerera, chimiro chekuyererazve, uye kubata zvinodzorwa kukirasi yakasarudzwa uye maitiro ekusungirirwa, nekuchena kunodzorwa zvichienderana nezvinodiwa zvako.

Kuongorora kunovhara denderedzwa: AOI inoongorora majoini uye nzvimbo yawo, X-ray inoongorora majoini akavanzwa pasi peBGAs, uye mvumo yekutanga inosimbisa kuti kuvaka kwacho kunoenderana nezvinodiwa vasati vatanga kushandisa batch. Nekuti zvinodiwa zvekugamuchirwa zvakanaka chete sedata ravanoshanda naro, ongororo yekugadzira usati wagadzira inobata nhanho, nzvimbo, uye matambudziko ethermal-pad izvo zvaizokanganisa mhando yejoini yeClass 2 kana Class 3. Paunokumbira mutengo, taura kirasi yako, maitiro ekusolder, zvinodiwa pakuchena, uye kuti ndeapi marekodhi ekuongorora aunoda kuti aendeswe.

7. Mibvunzo Inowanzo bvunzwa Nezve IPC J-STD-001

Chii chinonzi "J" muJ-STD-001?

Chinotara gwaro iri sechipimo cheindasitiri chakabatana, chakagadzirwa pamwe chete neIPC nedzimwe nhengo dzeindasitiri kwete neIPC chete. "STD" inomiririra chiyero uye "001" ndiyo nhamba yaro muchikamu ichocho chemubatanidzwa.

Chitupa cheIPC J-STD-001 chinodiwa here kuti ndigadzire mabhodhi angu?

Hazvibvumirwi nemutemo kune zvigadzirwa zvakawanda, asi vatengi vazhinji nemaindasitiri vanoda kuti mugadziri wavo wekondirakiti avagadzirire, uye vamwe vanoda vashandi vane magwaro. Inoshanda sechiratidzo chemhando yechibvumirano kwete semutemo wehurumende.

J-STD-001 inogadziriswa kangani?

IPC inoigadzirisa nguva nenguva nekuvandudzwa kwakanyorwa nemabhii sezvo zvinhu nemaitiro zvichichinja, saka zvibvumirano zvinofanirwa kureva kugadziriswa kwacho kuri kushandiswa. Kushanda maererano nekugadziriswa kwazvino kunoita kuti zvinodiwa zvekugamuchirwa zvienderane pakati pemutengi nemugadziri.

J-STD-001 inoda kusungirirwa pasina mutobvu here?

Kwete — mwero uyu unosanganisira maitiro ese ari maviri asina lead uye asina lead uye hausi mutemo wekuti ushandise here kana kuti kwete lead. Kana uchishandisa lead-free zvinotungamirirwa neRoHS nemusika wako, nepo J-STD-001 ichitonga kuti maitiro iwayo akasarudzwa anofanira kuitwa sei uye kuongororwa.

Ndeupi musiyano uripo pakati peJ-STD-001 nechitupa cheIPC-A-610 chevashandisi?

Chitupa cheJ-STD-001 chinodzidzisa uye chinokodzera vanhu vanoita basa rekusanganisa zvinhu zvinoenderana nezvinodiwa nemaitiro acho, ukuwo chitupa cheIPC-A-610 chinokodzera vanhu vanoongorora uye vanobvuma magadzirirwo apera. Mitsetse yekugadzira inowanzova nezvose zviri zviviri.

Ko bhodhi rimwe chete rinogona kuvakwa kumakirasi akasiyana eIPC here?

Ehe — dhizaini inogona kutsanangura kirasi yepamusoro yemambure akakosha kana nzvimbo uye kirasi yakajairwa kune dzimwe nzvimbo, chero bedzi zvinodiwa izvozvo zvakanyorwa zvakajeka. Izvi zvinonangana nekusimba kwakanyanya uko kuvimbika kunoda pasina kuwedzera mutengo mubhodhi rese.