Solder Creeping Sanadin & Magani na PTFE High-Zazzabi Tef

A matsayin ƙwararren tushen masana'anta na PTFE babban zane mai zafin jiki, Jiangsu Aokai New Materials yana raba masana'antar ƙwararru. basira.In PCB zafi iska solder matakin, zinariya plating da nutsewa zinariya matakai, solder creeping a garkuwa gefuna na PTFE high-zazzabi tef ne yafi lalacewa ta hanyar hade sakamako na jiki gazawar da tef da matsananci tsari yanayi.

I. Dalilan Solder Creeping

Edge warping na PTFE high-zazzabi tef forming gibi A lokacin high-zazzabi samar, da m ƙarfi na tef yana raguwa yayin da zafin jiki ya tashi. Lokacin da mannewa bai isa ba don tsayayya da matsananciyar zafi, gefuna na tef za su ɗan ɗanɗana kuma su samar da gibin capillary, barin mai siyar da ruwa ya shiga ciki.

Tasirin ɓarna da tarin dam ɗin solder Solder yana ƙoƙarin yin ratsawa zuwa wurare masu zafi a jiki. Lokacin da yankin da aka karewa ya kasance a cikin ɗan ƙaramin zafin jiki, mai siyar da ruwa yana hawa sama tare da gibin tef ɗin a cikin wicking na yau da kullun. Bugu da ƙari, tef ɗin PTFE mai kauri fiye da kima zai samar da matakai a gefuna, yana haifar da tarawar solder don samar da dam ɗin solder, wanda ke ƙara tsananta solder creeping.

Rashin daidaiton kayan ingancin tef ɗin PTFE mai zafin jiki Maɗaukaki na ƙaramin tef ɗin PTFE yana da saurin gudana, lalacewa da ragowar mannewa a babban yanayin zafi. Ba wai kawai yana lalata shingen kariya ba, har ma yana gurɓatar da pads, yana ƙara haɗarin haɓakar solder.

Masu gurɓata da ke ƙetare tef ɗin PTFE Ko da tef ɗin ba shi da kyau, fashewa da watsar da beads ɗin solder da suka rage a cikin PCB vias, ko ƙananan ɓangarorin solder waɗanda ke haifar da tururi yayin sake dawo da siyarwar, na iya shiga ko ketare wurin garkuwa da haifar da gurɓatawa.

Rashin lamination mara kyau da canjin tsari Rashin tsaftace farfajiyar garkuwa ko rashin isassun latsawa yayin aikace-aikacen tef zai bar gibi don shigar da kayan solder.Excessively saurin zafin jiki ya tashi yayin reflow soldering sharply qara solder fluidity, sa shi sauki karya ta hanyar iyaka na PTFE tef.

Babban wettability na filayen platin zinari yana ƙara ta'azzara matsalar Zinare-plated da filayen zinari na nutsewa suna da ingantaccen jiƙan solder. Da zarar solder lambobin zinariya surface, shi bazuwa cikin sauri tare da tef gefuna, sakamakon a cikin wani yawa ya fi girma mai rarrafe kewayon fiye da OSP da talakawa zafi iska solder leveling matakai.Defects kamar zinariya Layer pinholes da nickel lalata zai haifar da mahaukaci gida wettability da kuma kara tsananta gefen solder creeping.

II. Magani: Tsarin Aikace-aikacen Tsare-tsare don Tef ɗin PTFE mai inganci

Zaɓi samfuran da suka cancanta da daidaita aikin lamination Ɗauki tef ɗin PTFE mai inganci na musamman da aka haɓaka musamman don matakan zafin jiki na PCB, tare da juriya na zafin jiki na 250 ~ 260 ℃ don saduwa da buƙatun samar da gubar. Tsabtace farfajiyar garkuwa sosai tare da isopropanol kafin aikace-aikacen don tabbatar da cikakkiyar dacewa ba tare da warping ko gefuna ba. Sanya safar hannu yayin aiki don guje wa gurɓataccen mai.

Hana ƙwanƙwasa ƙwanƙwasa ƙwanƙwasa daga karyewa ta hanyar garkuwa Ɗauki dabarar manna mai ƙarancin sheƙa kuma inganta yanayin yanayin zafi mai sake gudana. Isasshen zafin jiki yana guje wa tururi mai ƙarfi mai ƙarfi kuma yana rage haɗarin ƙananan ƙullun solder na karya ta hanyar garkuwar tef.

Ƙarfafa bugu da sarrafa kayan aikin tsaftace kayan aiki Tsaftace tambarin bayan buga kowane 2-3 PCBs, kuma ɗaukar busassun gogewa + yanayin tsaftacewa don hana fashewar solder manna a kan tef ɗin. A koyaushe a cire ragowar solder foda akan injin bugu, waƙoƙin hawa da kayan aiki don kawar da gurɓataccen gurɓataccen abu.

M mai shigowa da aiwatar da ingancin iko don gyara ga kayan gazawar Bukatar PCB masu kaya don samar da m plugging ingancin takaddun shaida don tabbatar da cikakken cika vias da kuma hana boye solder beads daga bypassing da garkuwa tef.Shirya bazuwar solderability dubawa ga zinariya-plated allon. Da zarar an sami matsaloli irin su bakin gwal na bakin ciki da lalata nickel, toshe samfuran da ba su da lahani don guje wa mummunan yaɗuwar solder.

Ɗauki madadin hanyoyin don rage dogaron tef Idan ƙirar samfur ta ba da izini, yi amfani da zaɓin magani na saman ƙasa, kamar sanya zinari na gida kawai akan mashin da kuma bayan sarrafa yatsun zinariya. Wannan yana kawar da buƙatar garkuwar gefuna tare da tef ɗin PTFE kuma yana warware batun mai rarrafe mai solder.

Zaɓuɓɓuka masu ma'ana, daidaitaccen lamination da cikakken tsari na haɗin gwiwar sarrafa tef mai zafi na PTFE sune ainihin maɓallai don kawar da roƙon solder. Haɓaka cikakkun bayanan aikace-aikacen na iya inganta ingantaccen samarwa da kuma rage farashin sake aiki.

ne ya samar da abun ciki na fasaha na sama. Jiangsu Aokai New Materials Technology Co., Ltd

Idan kana buƙatar cikakkun sigogi, lokuta aikace-aikace da mafita na musamman don PTFE high-zazzabi zane, PTFE high-zazzabi tef, PTFE raga bel, sumul fusing inji bel, guda-gefe PTFE mai rufi zane, high-zazzabi resistant conveyor bel da fiberglass zane, da fatan za a tuntube mu:

·  Malam Guo: +86 18944819998

·  Malam Liu: +86 13705266308

Muna bin falsafar kasuwanci na ƙwararru da mutunci, da kuma samar da mafita na tallafin masana'antu guda ɗaya da la'akari da sabis na tallace-tallace ga abokan cinikin duniya.