PCB na tagulla Waya (wanda aka saba da shi azaman jan karfe). PCB masana'antu duk sun ce matsala ce mai ma'ana kuma tana buƙatar masana'antun samarwa don ɗaukar asara mara kyau.

1. Gobar jan karfe ya ƙare. Amfani da takalmin tagulla na lantarki wanda aka yi amfani da shi a cikin kasuwa gabaɗaya galvanized (wanda aka fi sani da jan ƙarfe-pold guda ɗaya (wanda aka saba sansu da jan ƙarfe). An yi farin farfafawa mai jan ƙarfe na galzanizai a sama da 70um tsare, ja da ashawa da ash da ash) ba su da ƙi na ƙarfe. Lokacin da ƙirar da'irar abokin ciniki ya fi layin da etching ɗin, idan ƙayyadadden zare na tagulla an canza su amma sigogi na ƙarfe ba su canzawa. Saboda zinc ya samo asali ne mai aiki, lokacin da murfin tagulla a kan hanyar lalata, to zai haifar da wasu wurare masu tasirin gida don a ba da izinin wuce gona da iri da rabuwa da substrate. Wato, jan karfe ya fadi. Wani yanayi kuma ba shi da matsala tare da sigogin PCB etching da ruwa da ƙarancin tagulla, da bushewa ta hanyar mafita etching a kan PCB ƙasa. Idan ba a sarrafa shi na dogon lokaci ba, zai haifar da wuce kima mai wuce kima na tagulla waya. Jefa jan karfe. Wannan yanayin an bayyana shi gaba ɗaya kamar yadda mai da hankali kan layi na bakin ciki, ko kuma lokacin yanayin yanayin zafi, lahani iri ɗaya zai bayyana akan gaba ɗaya PCB. Wani tagulla na tagulla don ganin cewa launin saman lambar tare da Layer Layer (abin da ake kira Rougheend farfajiya) ya canza. Launin jan ƙarfe na jan ƙarfe ya bambanta da zare na ƙarfe na al'ada. Ainihin launi na jan ƙarfe na ƙasa Layer ana ganin, da kuma peelingarfin ƙwayar jan karfe na jan ƙarfe a cikin lokacin farin ciki line shima al'ada ce.

2. Ciki da ya faru a gida a cikin aikin PCB, da kuma waya na tagulla na rabuwa da subrate ta hanyar da karfi na inji. Wannan mummunan aikin ba shi da kyau ko daidaitawa. The da aka fada waya zai iya juya ko scratches / tasiri na alamomi a cikin wannan shugabanci. Idan ka cire waya ta tagulla a cikin raunin da kuma kalli m farfajiya na jan karfe mai wuya na al'ada, da segarancin ƙarfin jan karfe na al'ada.

3. Tsarin da'irar PCB ba shi da ma'ana. Idan ana amfani da foil mai kauri mai kauri don tsara da'irar da ya yi kyau sosai, zai kuma haifar da wuce gona da iri na da'awar da zare.

2. Dalilai na masana'antar laminate:

A ƙarƙashin yanayi na al'ada, matuƙar Lamarate yana da zafi a cikin minti 30, 'yan lela za su shafi ƙarfin jan ƙarfe da substrate a cikin laminate. Koyaya, a cikin tsari na stacking da kuma ɗaukar nauyin laminates, idan PP da aka gurbata ko kuma substadic karfi na jan karfe ba zai zama mahaukaci ba.

3. Dalilai na Laminate Raw kayan:

1. Kamar yadda aka ambata a sama, abubuwan ƙarfe na lantarki na yau da kullun sune samfuran samfuran da aka galvanized ko jan ƙarfe-play. Idan ganiya ba mahaukaci bane yayin samar da ulu na ulu, ko kuma a lokacin jan ƙarfe ba shi da kyau, yana haifar da jan ƙarfe da kanta ƙarfin ƙwayar ƙwayar ƙwayar cuta bai isa ba. Lokacin da m coil matsi da kayan da aka yiwa PCB da kuma toshe-ciki a cikin masana'antar lantarki, tagar baƙin ƙarfe zai faɗi saboda tasirin ƙarfin da. Irin wannan ƙuruciyar ƙuruciya mara kyau ba zai haifar da lalata a bayyane ba bayan an sanya murfin tagulla don ganin murfin ƙarfe na ƙarfe zai zama matalauta duka.

2. Rashin daidaituwa na jan karfe na ƙarfe da guduro: wasu hanyoyin da ke da kaddarorin musamman, kamar su shinge na HTO, ana amfani dasu yanzu saboda tsarin resin daban-daban. Wakilin Cining ya yi amfani da shi gabaɗaya pn resin, kuma resin kwayoyin sarkar kwayoyin halitta mai sauki ne. Digiri na Croslinking ya ƙasa, kuma ya zama dole a yi amfani da jan karfe tare da ganiya ta musamman don dacewa da shi. A lokacin da yake samar da lalatattun tsare, amfani da zare na tagulla bai yi daidai da tsarin resin ba, kuma zubar da ƙwararren ƙarfe na karfe lokacin da aka saka.