makina oyika ma pini / makina odulira mawaya otsuka crimping / makina odulira otsogolera

Chifukwa chake tayamba kupanga "The Second Generation Press-fit Connector",

A.ngakhale Sumitomo Wiring Systems, Ltd. yakhala ikugulitsa kale "First Generation Press-fit Connector" kwa makasitomala aku Europe kuyambira 2004, idakhala ndi malire olekerera ma 90ptm okha ndipo ichi chakhala choyambitsa vuto lalikulu. kukhazikitsidwa kwa makasitomala ena ambiri, kuphatikiza apakhomo.
Chifukwa chake tayamba kupanga "Second Generation Press-fit Connector", yomwe yakhala yosinthika kuti ikhale yotalikirapo kudzera pamabowo, poyembekezera msika wokulirapo posachedwa.

B.Kugwiritsa Ntchito Zolumikizira Magalimoto Pakugwiritsa ntchito ukadaulo wolumikizira makina osindikizira pamagalimoto olumikizira magalimoto, tidayenera kuganizira zinthu zina, monga zalembedwa pansipa.
(1) Kulumikizana Kwa Nthawi Yaitali Kudalirika pazovuta kwambiri zachilengedwe zomwe zimafunikira zolumikizira magalimoto. (Zowonekera ku Vibration, Mechanical and Thermal Shocks etc.)
(2) Mtengo Wotsika, wofanana ndi wa njira yokhazikika yowotchera.
(3) Kusintha kwamitundu yotalikirapo kudzera m'mabowo.
(4) Kudalirika kwa kulumikizana kwamitundu yosiyanasiyana yazamankhwala a PCB.
Statement (4) zikutanthauza kuti mankhwala osiyanasiyana pamwamba, monga "Immersion Plating (malata kapena siliva)" ndi "Organic Solderability Preservative (OSP)" apangidwa posachedwapa ndi kulandiridwa pofuna kupewa oxidization wa pamwamba mkuwa pa PCB monga njira zina HASL wamba. (Hot Air Solder Leveling) [2] .Komabe, mankhwala apamtundawa amatha kukhudza kudalirika kwa kugwirizana kwa makina osindikizira, chifukwa chithandizo chapamwamba pa PCB chimakhudzana mwachindunji ndi ma terminals.

II.MALANGIZO OTHANDIZA

A. Chidule Chachidule

Mafotokozedwe a cholumikizira cholumikizira chosindikizira chomwe tidapanga ndimwachidule mu Table II.
Mu Table II, "Kukula" kumatanthauza kukula kwa mwamuna (komwe kumatchedwa "Tab Size") mu mm.
B.Kutsimikiza koyenera kwa Force RangeMonga gawo loyamba la kapangidwe ka makina osindikizira-fit terminal, tiyenerakudziwa mtundu woyenera wa mphamvu yolumikizana.
Chifukwa chaichi, mapindikidwe khalidwe zithunzi zama terminals ndi mabowo amajambulidwa mwadongosolo, monga zikuwonekeramumkuyu 2. Zimasonyezedwa kuti mphamvu zolumikizana zili mu axis yoyima,pomwe kukula kwa terminal ndi ma diameter abowo ali muyopingasa olamulira motero.

Mizere iwiri ya ma terminal deformation amatanthawuza ya kukula kwakukulu komanso kocheperako chifukwa cha kubalalitsidwa popanga motsatana.

Table II Kutsimikizika kwa Cholumikizira chomwe tidapanga

Table II Kutsimikizika kwa Cholumikizira chomwe tidapanga
Zowonongeka Zochepa mu PCB

Zikuwonekeratu kuti mphamvu yolumikizana yomwe imapangidwa pakati pa ma terminals ndi ngakhale-mabowo amaperekedwa ndi mphambano ya zithunzi ziwiri za ma terminals ndi mabowo mumkuyu 2, zomwe zikutanthauza kuti mkhalidwe wokhazikika wa kuponderezedwa kotsiriza komanso kudzera pakukulitsa dzenje.
Tatsimikiza

(1) mphamvu yochepa yolumikizirana yomwe ikufunika kuti kukana kukhudzana pakati pa ma terminals ndi mabowo kutsika komanso kukhazikika kusanachitike / pambuyo pa mayeso opirira kuphatikiza kukula kocheperako komanso m'mimba mwake, ndi (2) mphamvu yayikulu. zokwanira kuwonetsetsa kukana kwa kutchinjiriza pakati pa mabowo oyandikana nawo kumaposa mtengo womwe watchulidwa (109Q pachitukuko ichi) kutsatira mayeso opirira kuphatikiza kukula kwakukulu komaliza ndi mainchesi ocheperako, pomwe kuwonongeka kwa kukana kwa insulation kumachitika chifukwa cha chinyezi. mayamwidwe m'dera lowonongeka (delaminated) mu PCB.

M'magawo otsatirawa, njira zomwe zimagwiritsidwa ntchito kuti zidziwitse mphamvu zochepa komanso zopambana zolumikizana motsatana.


Nthawi yotumiza: Dec-07-2022