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Kedu ka esi zere ịgbasa bọọdụ sekit e biri ebi?

  • 2022-10-25 17:19:18

Otu esi ezere bọọdụ sekit e biri ebi agha



1. Belata mmetụta nke okpomọkụ na nrụgide ụgbọ
Ebe ọ bụ na [okpomọkụ] bụ isi ihe na-akpata nrụgide osisi, ọ bụrụhaala na a na-ebelata okpomọkụ nke oven reflow ma ọ bụ na-ebelata ọsọ nke ikpo ọkụ na ikpo ọkụ na oven reflow, enwere ike ibelata warpage nke PCB.Otú ọ dị, mmetụta ndị ọzọ nwere ike ime, dị ka mkpirisi solder.

2. Jiri mpempe akwụkwọ Tg dị elu
Tg bụ iko mgbanwe okpomọkụ, ya bụ, okpomọkụ nke ihe na-agbanwe site a iko steeti na a roba steeti.Na ala Tg uru nke ihe onwunwe, ngwa ngwa na osisi ahụ na-amalite ime ka ọ dị nro mgbe ịbanye na oven reflow, na oge ọ na-ewe iji ghọọ ala rọba dị nro.Ọ ga-adịkwa ogologo oge, na nrụrụ nke osisi ahụ ga-adịkwa njọ karị.Ojiji nke mpempe akwụkwọ Tg dị elu nwere ike ime ka ikike ya nwee ike ịnagide nrụgide na nrụrụ, mana ọnụahịa nke ihe kwekọrọ na-adịkwa elu.



3. Mee ka ọkpụrụkpụ nke bọọdụ sekit
Iji nweta ọkụ ọkụ na nke dị nro nke ọtụtụ ngwaahịa eletrọnịkị, ahapụla ọkpụrụkpụ nke osisi ahụ na 1.0mm, 0.8mm, na ọbụna 0.6mm.Ọkpụrụkpụ dị otú ahụ kwesịrị ime ka osisi ahụ ghara imebi mgbe ọ gafechara n'ọkụ reflow, nke na-esiri ike n'ezie.Ụlọ ọrụ PCB na-atụ aro na ọ bụrụ na ọ dịghị ihe achọrọ maka ịdị nro na ịdị nro, bọọdụ ahụ nwere ike iji ọkpụrụkpụ nke 1.6mm mee ihe, nke nwere ike belata ihe ize ndụ nke warpage na nrụrụ nke osisi PCB.

4. Belata nha nke bọọdụ sekit ma belata ọnụ ọgụgụ nke ogwe
Ebe ọ bụ na ọtụtụ oven reflow na-eji agbụ na-ebugharị bọọdụ sekit na-aga n'ihu, ka nnukwu osisi sekit ahụ ga-adị dented na deformed na reflow oven n'ihi ibu nke ya, ya mere gbalịa na-etinye ogologo akụkụ nke sekit osisi dị ka osisi nsọtụ.N'elu agbụ nke ọkụ reflow, a na-ebelata nrụrụ concave nke ịdị arọ nke bọọdụ sekit n'onwe ya nwere ike ibelata.Nke a bụkwa ihe kpatara ibelata ọnụ ọgụgụ nke panels.Nke ahụ bụ, mgbe ị na-agafe ọkụ ọkụ, gbalịa iji akụkụ dị warara na-adabere na ntụziaka ọkụ ahụ, nke nwere ike nweta nke kachasị elu Ọnụ ọgụgụ nke concave deformation.



5. Jiri ihe ndozi oven tray
Ọ bụrụ na ụzọ ndị a dị n'elu siri ike nweta, ihe ikpeazụ bụ iji oven tray (reflow soldering carrier / template) iji belata nrụrụ nke bọọdụ sekit.Ụkpụrụ nke ihe mkpuchi tray oven nwere ike ibelata warpage nke osisi PCB bụ n'ihi na ihe eji eme ihe bụ n'ozuzu.A ga-eji aluminom alloy ma ọ bụ nkume sịntetik mee ihe na-eguzogide okpomọkụ dị elu, ya mere, ụlọ ọrụ PCB ga-ekwe ka bọọdụ sekit gafere site na mmụba okpomọkụ dị elu nke oven reflow na oyi na-atụ oyi mgbe ọ jụrụ oyi.Tray ahụ nwere ike ịrụ ọrụ nke ịkwado bọọdụ sekit.Mgbe okpomọkụ nke efere ahụ dị ala karịa uru Tg wee malite ịmaliteghachi ma sie ike, enwere ike idowe nha mbụ.

Ọ bụrụ na ihe nrụnye tray nke otu oyi akwa enweghị ike ibelata nrụrụ nke bọọdụ sekit , ị ga-agbakwunyere mkpuchi mkpuchi iji kpoo bọọdụ sekit na trays elu na nke ala, nke nwere ike belata nrụrụ nke bọọdụ sekit site na oven reflow..Agbanyeghị, tray oven a dị oke ọnụ, ma ị ga-agbakwunye ọrụ iji tinye ma megharịa traị ahụ.

6. Jiri Router kama V-Cut's sub-board
Ebe ọ bụ na V-Cut ga-ebibi ike nhazi nke panel n'etiti mbadamba, gbalịa ka ị ghara iji V-Cut sub-board, ma ọ bụ belata omimi nke V-Cut.

Ajụjụ ọ bụla ọzọ, biko RFQ .


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