Iji mee mgbanwe na-amụba mba anya na gburugburu ebe obibi nchebe, PCBA gbanwere site na-edu ndú free usoro, na etinyere ọhụrụ laminate ihe, ndị a mgbanwe ga-eme ka PCB electronic ngwaahịa solder nkwonkwo arụmọrụ mgbanwe.N'ihi na nkwonkwo solder na-enwe mmetụta nke ukwuu maka ọdịda ọdịda, ọ dị mkpa ịghọta njiri mara nke ngwa eletrọnịkị PCB n'okpuru ọnọdụ kacha sie ike site na nnwale nsogbu.
Maka Alloys solder dị iche iche, ụdị ngwugwu, ọgwụgwọ elu ma ọ bụ ihe laminate, oke oke nwere ike ibute ụdị ọdịda dị iche iche.Ọdịda na-agụnye ịgbawa bọọlụ na-ere ere, mmebi wiring, ọdịda njikọ nke laminate (pad skewing) ma ọ bụ ọdịda nchikota (pad pitting), na mgbawa mkpụrụ ngwugwu (lee eserese 1-1).Ojiji nke nsogbu iji chịkwaa warping nke bọọdụ ndị e biri ebi egosila na ọ bara uru na ụlọ ọrụ eletrọnịkị ma na-enweta nnabata dị ka ụzọ isi chọpụta na melite arụmọrụ mmepụta.
Nnwale ule na-enye nyocha ebumnobi nke ọkwa nke nhụsianya na ọnụọgụ nke ngwugwu SMT na-edobere n'oge mgbakọ PCBA, nnwale, na ọrụ, na-enye usoro ọnụọgụ maka nha PCB warpage na ntule ọkwa ihe egwu.
Ebumnobi n'ịtụ ahụhụ bụ ịkọwapụta njirimara nke usoro mgbakọ niile metụtara ibu ọrụ.
Oge nzipu: Eprel-19-2024