Kedu ihe na-ebute beading na-emepụta n'oge nhazi SMT?

Mgbe ụfọdụ, a ga-enwe ụfọdụ ogbenye nhazi onu na usoro nkeigwe SMT, tin bead bụ otu n'ime ha, iji dozie nsogbu ahụ, anyị ga-ebu ụzọ mara ihe kpatara nsogbu ahụ.Akpụkpọ anụ dị n'ime slump tapawa solder ma ọ bụ na-eme ka a na-ewepụ ya na mpe mpe akwa.N'ogereflow ovenỊzụ ahịa, tapawa solder dịpụrụ adịpụ site na nkwụnye ego bụ isi ma jikọta ya na ngafe solder site na paịlị ndị ọzọ, ma ọ bụ na-esi n'akụkụ akụkụ ahụ pụta na-etolite nnukwu beads, ma ọ bụ dị n'okpuru akụrụngwa ahụ.Mwepụ nke tin beads dị ka o kwere mee site na mwepụ nke ụzọ ahụ kpọmkwem, na usoro mmepụta iji ṅaa ntị, nwere ike izere.Ihe na-esonụ bụ iji nyochaa ọnọdụ ndị ga-emepụta beading solder:

I. Steel ntupu
1. Steel ntupu oghere ozugbo dị ka size nke mpe mpe akwa oghere phenomenon na tin bead onu na usoro nke patch nhazi.
2. Ọ bụrụ na ọkpụrụkpụ nke ụgbụ ígwè dị oke oke, ọ ga-ekwe omume ime ka ọkpụkpụ nke ihe na-ere ahịa daa, nke ga-emepụtakwa beads tin.
3. Ọ bụrụ na nrụgide nkeburu ma tinye igwebụ oke elu, na solder mado ga-adị mfe extruded na solder eguzogide oyi akwa n'okpuru akụrụngwa, na solder mado ga-agbaze na-agba ọsọ gburugburu akụrụngwa na-etolite solder chaplet n'oge reflow oven.

II.The solder mado
1. Solder mado na-enweghị okpomọkụ nloghachi nhazi na preheating ogbo ga fesa onu na-emepụta tin beads.
2. The nta urughuru size nke metal ntụ ntụ na solder mado, ibu n'ozuzu elu ebe nke solder mado, nke na-eduga a elu ọxịdashọn ogo nke ezi ntụ ntụ, otú ahụ onu nke solder beads na-esiwanye ike.
3. The elu oxidation ogo nke metal ntụ ntụ na solder mado, ukwuu na metal ntụ ntụ bonding nguzogide n'oge ịgbado ọkụ, solder mado na mpe mpe akwa na SMT components adịghị mfe infiltrate, na-akpata na Mbelata solderability.
4. Ọnụ ọgụgụ nke flux na ọnụọgụ nke na-arụ ọrụ dị ukwuu, nke ga-eduga na ọdịda mpaghara nke tapawa solder na tin beads.Mgbe ọrụ nke flux ezughị, akụkụ oxidized enweghị ike iwepụ kpamkpam, nke ga-edugakwa na beads tin na nhazi nke ụlọ ọrụ nhazi patch.
5. Metal ọdịnaya na n'ezie nhazi nke tin tapawa bụ n'ozuzu 88% ka 92% nke metal ọdịnaya na uka ruru, olu ruru banyere 50%, na-amụba metal ọdịnaya nwere ike ime ka ígwè ntụ ntụ ndokwa na-aghọ ihe nso, nke mere na ọ dị mfe ijikọta mgbe agbaze.