A na-eji oven reflow na n'ichepụta Surface Mount Technology (SMT) ma ọ bụ usoro nkwakọ ngwaahịa semiconductor.Na-emekarị, oven reflow bụ akụkụ nke eriri mgbakọ eletrọnịkị, gụnyere igwe mbipụta na ntinye.Igwe obibi akwụkwọ na-ebipụta tapawa solder na PCB, igwe a na-edobe ihe na-edokwa ihe mejupụtara ya na tapawa nke e biri ebi.
Ịtọlite ite solder reflow
Ịtọlite oven reflow na-achọ ihe ọmụma nke tapawa solder eji na mgbakọ ahụ.Ihe slurry ahụ ọ chọrọ ikuku nitrogen (obere oxygen) n'oge kpo oku?Nkọwa ntugharị, gụnyere oke okpomọkụ, oge karịa liquidus (TAL), wdg.?Ozugbo amaara njirimara usoro ndị a, onye injinia na-arụ ọrụ nwere ike ịrụ ọrụ iji guzobe uzommeputa oven reflow na ebumnuche nke imezu profaịlụ reflow.Ntụziaka oven reflow na-ezo aka na ntọala okpomọkụ oven, gụnyere okpomọkụ mpaghara, ọnụego convection, na ọnụego gas.Profaịlụ nlọghachi azụ bụ ọnọdụ okpomọkụ nke osisi ahụ "na-ahụ" n'oge usoro ntinyeghachi.Enwere ọtụtụ ihe ị ga-atụle mgbe ị na-emepụta usoro ntugharị.Kedu ka bọọdụ sekit buru ibu?Enwere obere ihe dị na bọọdụ nke nnukwu convection nwere ike mebie?Kedu oke oke okpomọkụ akụrụngwa?Enwere nsogbu na ọnụego uto okpomọkụ ngwa ngwa?Kedu ụdị profaịlụ achọrọ?
Atụmatụ na atụmatụ nke oven reflow
Ọtụtụ oven reflow nwere ngwa ntọlite nhazi ihe na-akpaghị aka nke na-enye ohere reflow solder mepụta ntụzịaka mmalite dabere na njirimara bọọdụ yana nkọwa nrụnye.Nyochaa reflow reflow site na iji thermal ndekọ ma ọ bụ trailing thermocouple waya.Enwere ike ịhazigharị ntọala ntugharị elu / ala dabere na profaịlụ thermal vs. solder mado nkọwa na mgbochi osisi / akụrụngwa okpomọkụ.Na-enweghị nhazi usoro nhazi akpaka, ndị injinia nwere ike iji profaịlụ reflow nke ndabara wee mezie usoro nhazi iji lekwasị anya na usoro site na nyocha.
Oge nzipu: Eprel-17-2023