pini yekuisa muchina / waya yekucheka inobvisa crimping muchina / lead yekucheka preforming muchina

Naizvozvo takatanga kuvandudzwa kwe "Second Generation Press-fit Connector",

A.kunyangwe Sumitomo Wiring Systems, Ltd. yave kutopa "First Generation Press-fit Connector" kumutengi wekuEurope kubva 2004, yanga iine zvishoma kuburikidza negomba dhayamita yekushivirira kwe90ptm chete uye ichi chave chiri chikonzero chikuru chekuomerwa. kugamuchirwa kwevamwe vatengi vazhinji, kusanganisira vekumba.
Naizvozvo takatanga kuvandudzwa kwe "Second Generation Press-fit Connector", iyo yave ichichinjika kune yakakura kuburikidza-gomba dhayamita kushivirira renji, tichitarisira musika wakakura munguva pfupi iri kutevera.

B.Chikumbiro cheMotokari Zviunganidziro Pakushandisa tekinoroji yekubatanidza tekinoroji kune zvinobatanidza mota, taifanira kufunga nezvezvimwe zvinhu, sezvakanyorwa pazasi.
(1) Yenguva Yakareba Yekubatanidza Kuvimbika mune yakanyanya kuomarara mamiriro ezvemamiriro ekunze anodiwa kune zvinobatanidza mota.
(2) Mutengo wakaderera, wakaenzana newakajairika kuyerera solder process.
(3) Kuchinjika kune yakafara kuburikidza-gomba dhayamita kushivirira siyana.
(4) Kubatana Kuvimbika kune akasiyana PCB epamusoro kurapwa.
Chirevo (4) chinoreva kuti kurapwa kwakasiyana-siyana kwepamusoro, se "Immersion Plating (tin kana sirivheri)" uye "Organic Solderability Preservative (OSP)" ichangobva kugadzirwa uye yakagamuchirwa kudzivirira kuokisiswa kwenzvimbo dzemhangura paPCB sedzimwe nzira kune dzakajairwa HASL. (Hot Air Solder Leveling) [2] .Zvisinei, kurapwa kwepamusoro uku kunogona kukanganisa kuvimbika kweiyo press-fit connection, nokuti mishonga yepasi paPCB inosangana zvakananga nematerminal.

II.ZVINHU ZVINOTAURIRWA

A. Tsanangudzo pfupiso

Madiro eiyo press-fit connector yatakagadzira ndeyezvakapfupikiswa muTable II.
MuTafura II, "Size" zvinoreva hupamhi hwekusangana kwechirume (iyo inonzi "Tab Size") mumm.
B.Yakakodzera Yekutaurirana Force Range KusarudzaSenhanho yekutanga yepress-fit terminal dhizaini, isu tinofanirasarudza huwandu hwakakodzera hwekubatana nesimba.
Nechinangwa ichi, iyo deformation hunhu madhayagiramu ematerminal uye nemaburi-maburi anodhirowa zvine hurongwa, sezvakaratidzwamuFig. 2. Zvinoratidzwa kuti masimba ekusangana ari muakisi yakatwasuka,nepo terminal saizi uye kuburikidza-gomba madhayamita ari muhorizontal axis zvichiteerana.

Mitsetse miviri yeterminal deformation inoreva imwe yehukuru uye hudiki terminal saizi nekuda kwekupararira mukugadzira maitiro zvichiteerana.

Tafura II Scecification yeConnector yatakagadzira

Tafura II Scecification yeConnector yatakagadzira
Yekukuvadza Kwakaderera muPCB

Zviri pachena kuti simba rekubatana rinogadzirwa pakati pematerminals uye kunyange-maburi anopiwa nekupindirana kwemadhayagiramu maviri ematerminals uye kuburikidza-maburi muFig.
Takatsunga

(1) iyo shoma yekubata simba inodiwa kuita kuti kusangana kwekupokana pakati pezviteshi uye kunyange-maburi kudzika uye kugadzikana pamberi / mushure meyedzo yekutsungirira kwemusanganiswa wehukuru hwekupedzisira saizi uye yakakura kuburikidza ne-buri dhayamita, uye (2) iyo yakanyanya simba. zvakakwana kuti ive nechokwadi chekuti kudzivirira kwekudzivirira pakati pepedyo nemumaburi kunodarika kukosha kwakatarwa (109Q yebudiriro iyi) zvichitevera bvunzo dzekutsungirira kwemusanganiswa wehukuru hwekupedzisira saizi uye hudiki kuburikidza ne-gomba dhayamita, uko kuderera kwekudzivirira kwekudzivirira kunokonzerwa nehunyoro. kunyura munzvimbo yakakuvadzwa (delaminated) muPCB.

Muzvikamu zvinotevera, nzira dzinoshandiswa kuona hudiki nehukuru hwekusangana masimba zvichiteerana.


Nguva yekutumira: Zvita-07-2022