Rayuwar shelf na PCB?Lokacin yin burodi da zafin jiki?
Lokacin ajiya na PCB, da zafin jiki da lokacin amfani da tanda masana'antu don gasa PCB duk masana'antu ne ke tsara su. Menene rayuwar shiryayye na PCB?Kuma yadda za a ƙayyade lokacin yin burodi da zafin jiki? 1. Ƙididdigar kulawar PCB 1. PCB kwancewa da ajiya (1) Kuma PCB allon za a iya amfani da kai tsaye kan layi a cikin watanni 2 na ranar masana'anta na hukumar PCB da ba a buɗe ba (2) Kwanan masana'anta na PCB yana cikin watanni 2, kuma dole ne a yiwa ranar buɗewa alama bayan an kwashe kaya. (3) PCB kwamitin kera kwanan wata yana cikin watanni 2, bayan an cire kaya, dole ne ya kasance akan layi kuma a yi amfani dashi cikin kwanaki 5. 2. PCB yin burodi (1) Idan an rufe PCB kuma an cire shi sama da kwanaki 5 a cikin watanni 2 na ranar masana'anta, da fatan za a gasa a 120 ± 5 ℃ na awa 1. (2) Idan PCB ya fi watanni 2 daga ranar masana'anta, da fatan za a gasa shi a 120 ± 5 ℃ na awa 1 kafin zuwa kan layi. (3) Idan PCB ya wuce watanni 2-6 da kwanan wata masana'anta, da fatan za a gasa shi a 120 ± 5 ℃ na awanni 2 kafin zuwa kan layi (4) Idan PCB ya girmi watanni 6 zuwa shekara 1 fiye da kwanan wata masana'anta, da fatan za a gasa a 120± 5°C na awanni 4 kafin zuwa kan layi. (5) PCB ɗin da aka gasa dole ne a yi amfani da shi a cikin kwanaki 5 (a saka a cikin IR REFLOW), kuma PCB ɗin dole ne a toya na tsawon sa'a ɗaya kafin a iya amfani da shi akan layi. (6) Idan PCB ya fi shekara 1 daga ranar masana'anta, da fatan za a gasa shi a 120± 5℃ na tsawon awanni 4 kafin zuwa kan layi, sannan aika shi zuwa masana'antar PCB don sake fesa tin kafin zuwa kan layi. 3. Hanyar yin burodi na PCB (1) Manyan PCBs ( PORTS 16 da sama, gami da PORTS 16 ) ana sanya su a kwance, tare da matsakaicin guda 30 a cikin tari.Bude tanda a cikin minti 10 bayan an gama yin burodi, fitar da PCB, sa'an nan kuma shimfiɗa shi a hankali don sanyaya yanayi (buƙatar danna maɓallin anti-plate bay fixture) (2) Ƙananan PCBs masu girma da matsakaici (ciki har da 8PORTs ƙasa da 8PORT) ana sanya su a kwance.Matsakaicin adadin tari shine guda 40.Adadin nau'in tsaye ba shi da iyaka.Bude tanda kuma fitar da PCB a cikin mintuna 10 bayan an gama yin burodi.Banwan fixture) 2. Adana da yin burodi na PCBs a yankuna daban-daban Ƙayyadaddun lokacin ajiya da zafin jiki na yin burodi na PCB ba kawai suna da alaƙa da ƙarfin samarwa da tsarin samarwa na masana'antun PCB ba, har ma suna da kyakkyawar dangantaka da yankin. PCB da tsarin OSP ya yi da tsarin nutsewar zinari gabaɗaya yana da tsawon rayuwar watanni 6 bayan marufi, kuma ba a ba da shawarar yin gasa don tsarin OSP ba. Lokacin adanawa da yin burodi na PCB yana da alaƙa da yankin.A kudu, gabaɗaya zafi yana da nauyi, musamman a Guangdong da Guangxi.A watan Maris da Afrilu na kowace shekara, za a yi “kowawa kudu” yanayi, kuma ana ruwan sama a kowace rana.A ci gaba, yana da ɗanɗano sosai a wannan lokacin.PCB da aka fallasa zuwa iska dole ne a yi amfani da shi a cikin sa'o'i 24, in ba haka ba yana da sauƙi don oxidize.Bayan budewa na al'ada, yana da kyau a yi amfani da shi a cikin sa'o'i 8.Ga wasu PCBs da ake buƙatar toya, lokacin yin burodi zai fi tsayi.A cikin yankunan arewa, yanayin gabaɗaya ya bushe, lokacin ajiyar PCB zai yi tsayi, kuma lokacin yin burodi na iya zama guntu.Yawan zafin jiki na yin burodi shine 120 ± 5 ℃, kuma an ƙayyade lokacin yin burodi bisa ga takamaiman halin da ake ciki. Don lokacin ajiya na PCB, lokacin yin burodi da zafin jiki, takamaiman matsalolin suna buƙatar bincika daki-daki, kuma takamaiman zaɓin yana buƙatar yin zaɓi bisa tsarin sarrafa PCB da ƙayyadaddun sarrafawa, gwargwadon ƙarfin samarwa, tsari, yanki da yanayi na masana'antun daban-daban. . 
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