Menene madauki

Zoben zobe kalma ce ta fasaha don yanki tsakanin rami da aka haƙa a cikin ramin ramin da gefen kushin tafiyarwa. Ramin-ramukan suna aiki azaman kumburin haɗin kai tsakanin yadudduka daban-daban akan PCB.

Don fahimtar tushen zoben annular, kuna buƙatar sanin yadda ake gina ramuka. A cikin masana’antar PCB, ana cire PCB kuma an cire shi ta pads masu daidaitawa da juna akan yadudduka daban-daban. Hana ramuka don samar da rami kuma a ajiye tagulla a bango ta hanyar kunna wutar lantarki.

Lokacin da kake duban PCB daga sama, abubuwan da aka haƙa ta ramuka suna nuna alamar madauwari. Ana kiran su zobba. Girman zoben ya bambanta. Wasu masu zanen PCB sun zaɓi yin amfani da madaukai masu kauri, yayin da wasu suka sanya madaukai masu kauri saboda ƙarancin sarari.

Ana ƙididdige girman zobe ta hanyar dabara mai zuwa.

Girman zobe = (diamita na farantin baya – diamita na rawar rawar soja) / 2

Misali, hako rami mil 10 a cikin kushin mil 25 zai samar da zoben mil 7.5.

Matsalolin gama gari tare da madaukai

Tunda ramukan da ke cikin ramuka suna da mahimmanci na masana’antar PCB, galibi ana ɗauka cewa madaukai ba su da kuskure. Wannan kuskure ne. Idan akwai matsala tare da madauki, zai iya shafar ci gaban alamar.

A ka’ida, ana samun cikakkiyar zobe ta hanyar hako rami a tsakiyar kushin ramin. A aikace, madaidaicin hakowa ya dogara da injin da mai kera PCB ke amfani dashi. Masana’antun PCB suna da takamaiman haƙuri ga zoben, yawanci kusan mil 5. A wasu kalmomi, rijiyar burtsatse na iya karkata daga alamar a cikin kewayon da aka bayar.

Lokacin da bit bai daidaita tare da alamar ba, ramin da aka samu zai fuskanci gefen kushin. Annular tangents suna bayyana lokacin da ɓangaren ramin ya taɓa gefen kushin. Idan rijiyar burtsatse ta kara karkata, yoyo na iya faruwa. Zubowa shine lokacin da wani yanki na rami ya wuce wurin da aka cika.

Karyawar shekara-shekara na iya shafar ci gaba da ramin. Lokacin da yankin jan karfe na ramin haɗin gwiwa da kushin ya yi ƙanƙanta, za a yi tasiri a halin yanzu. Wannan matsalar tana ƙara fitowa fili lokacin da aka yi amfani da tashoshi da abin ya shafa don isar da ƙarin na yanzu. Lokacin da aka gano hutun zobe, ana ƙara ƙarin filaye tagulla a kusa da wurin da aka fallasa don riƙe shi a wurin.

A wasu lokuta, yana iya haifar da matsalolin da ba za a iya gyarawa ba. Idan an kashe ramin ta hanyar da za ta huda wayoyi na kusa, PCB za ta yi gajeriyar kewayawa. Wannan matsalar tana da wuyar warwarewa domin ta ƙunshi keɓewar jiki ta hanyar ramuka da gajeriyar wayoyi.

Daidaitaccen girman zobe daidai

Yayin da masana’antun PCB ke da alhakin samar da ingantattun madaukai, masu zanen kaya na iya taka rawa wajen saita ƙira zuwa girman da ya dace. Bada ƙarin sarari a waje da ƙayyadadden kewayon haƙuri na masana’anta. Sanya ƙarin mil 1 zuwa girman madauki zai cece ku matsala harbi daga baya.