A cikin samarwa da sarrafa kayan aiki Kunshin jan karfe yana iya rage yawan samfuran SMT Pat Pat Patch akan inganta iyawar hana tsangwama da rage yankin madauki. Ana iya amfani da tasirin sa a cikin Patch Patch. Koyaya, akwai abubuwa da yawa da za su kula da lokacin zubar da jan tagulla. Bari in gabatar muku da cikakkun bayanai game da aikin sarrafa PCBA na aikin sarrafa PCBA.
一. Farko na jan ƙarfe tsari
1. Sashe Na 1
2. Murmu na ƙarfe mai launin lantarki: shafi Layer na ruwa mai jan ƙarfe a saman katako na da'irar don samar da fim ɗin jan ƙarfe shine ɗayan hanyoyin da aka fi dacewa da murfin ƙarfe. Amfanin shine cewa kauri da daidaituwa na fim din tagulla ana iya sarrafa shi sosai.
3. Aikace-kwalgun karfe mai jan ƙarfe: An rufe farfajiya na jirgin da aka rufe da wani yanki na jan karfe na jan karfe. Hakanan daya ne daga hanyoyin jan karfe, amma samar da kayan ya zama sama da jan karfe na ƙarfe, saboda haka zaka iya zaɓar amfani da shi da kanka.
4. Kundin jan karfe da Lamation: shi ne matakin karshe na duk tsarin jan karfe na jan karfe. Bayan an gama shirayin ƙarfe, zare na tagulla yana buƙatar matsawa akan saman jirgi na da'irar don tabbatar da cikakken haɗin kai, ta haka tabbatar tabbatar da ayyukan da amincin samfurin.
二. Matsayin jan karfe
1. Rage rashin daidaito na waya da kuma inganta iyawar karewa;
2. Rage sauke na wutar lantarki da inganta ingantaccen iko;
3. Haɗa zuwa waya ta ƙasa don rage yankin madauki;
三. Gargaɗi don jan karfe zuba
1. Kada ku zuba jan ƙarfe a cikin bude yankin na wiron a tsakiyar tsakiyar mulllaard.
2. Don haɗin haɗi guda ɗaya zuwa filaye daban-daban, hanyar ita ce haɗi ta cikin 0 ohm masu tsayayyawar tsayayya da 0 ohm masu tsayayya ko beads na magnetic ko masu yin sa.
3. Lokacin da fara zane da keɓawa, ya kamata a kunna mayafin ƙasa da kyau. Ba za ku iya dogaro da ƙara ta hanyar ƙara ba bayan zubar da ƙarfe don kawar da filolin da ba a san ƙasa ba.
4. Zane jan ƙarfe kusa da Crystal Oscillator. A Crystal Oscillator a cikin da'ira shine babban-mitar mitsi. Hanyar ita ce jan ƙarfe a kusa da Crystal Oscillator, sa'an nan kuma ƙasa da harsashi na crystal oscillor daban.
5. Tabbatar da kauri da daidaituwa na jan karfe na jan karfe. Yawanci, da kauri daga cikin murfi na jan karfe yana tsakanin 1-2Oz. Furyar ƙarfe wanda ya yi kauri sosai ko kuma mai kauri ne mai kauri da ingancin isar da sakonnin da aka sanya hannu na PCB. Idan ɗan tagulla bai haifar da tsangwama da asarar siginar da'irar da ke kan jirgi ba, wanda ya shafi wasan kwaikwayon da amincin PCB.