PCB nau'in sassa ne na lantarki, kuma shine mai ɗaukar PCBA gabaɗaya, sauran sassan lantarki ana ɗora su akan kushin PCB, suna kunna aikin sadarwar lantarki daban-daban.
Dole ne a yi amfani da facin PCB.PCB a cikin samarwa daga cikin gabaɗaya sune marufi, a cikinkarba da wuri injipatch kafin buqatar yin burodin pcb?
Ainihin yin burodi don walda na gaba zai fi kyau.
Yaya tsawon lokacin yin gasa PCB?
Bukatar rarraba bisa ga lokacin ajiyar PCB.
Don PCB da aka adana tsawon watanni 1-2, yin burodi na kusan awa 1 yakan isa.
Adana PCB kasa da watanni 6, yin burodi gabaɗaya kusan awanni 2 na iya zama.
Adana fiye da watanni 6, watanni 12 a ƙasa da pcb, yin burodi gabaɗaya kusan awa 4.
Fiye da lokacin ajiya na watanni 12, gabaɗaya shawarar kada a yi amfani da shi.
Menene zafin burodin da ya dace?
Baking zafin jiki bisa manufa a 120 ℃, domin manufar yin burodi ne don cire danshi, idan dai fiye da evaporation zafin jiki na ruwa tururi iya zama, kullum 105 ℃ zuwa 110 ℃ na iya zama.
Me ya sa yin burodi, babu yin burodi zai kawo hadarin?
Me yasa PCB yin burodi, shine don cire danshi da zafi.Saboda PCB allon multilayer ne wanda aka lakafta tare, an adana shi a cikin yanayin yanayi za a sami tururin ruwa mai yawa, tururin ruwa za a haɗa shi zuwa saman pcb ko hakowa cikin ciki.
Idan ba a gasa ba, tururin ruwa a cikinreflow tandasoldering m warming, ruwa tururi ya kai 100 ℃, shi zai samar da mai yawa tursasawa, idan ba a kan lokaci ware, iya pcb zai fashe ko lalacewa ga ciki circuitry, haifar da wani gajeren kewaye ko m amfani da aiwatar da intermittent miyagun matsaloli.
Ta yaya za a tara yin burodin PCB?
Gabaɗaya na bakin ciki da girman girman pcb ba a ba da shawarar sanya a tsaye ba, saboda yana da sauƙi a cikin faɗaɗa zafi na yin burodi sannan kuma sanyaya shrinkage sanyi, yana haifar da micro-lalata.
Ana ba da shawarar ƙananan alluna don tarawa, amma yana da kyau kada a yi tari da yawa, don guje wa yin burodin pcb tururin ruwa na ciki ba shi da sauƙin ƙafewa.
Bayanan kula akan yin burodin PCB
Bayan yin burodi PCB, a cikin tsarin sanyaya ya kamata a sanya shi lokacin da nauyin matsa lamba don guje wa ƙananan lahani.
pcb tanda ya kamata a saita a cikin na'urar da ake shayewa don guje wa ƙawancen danshi daga tanda ba za a iya fitarwa ba.
Lokacin aikawa: Agusta-11-2023