Tsara mutum -mutumi da m PCB jirgin ba tare da la’akari da kare PCB daga gazawar rawar jiki da ke haifar da rawar injin ba. Waɗannan gazawar na iya haifar da manyan matsaloli kamar su masu fashewar insulators da masu ƙarfin wuta, cire haɗin kayan haɗin gwiwa, dakatar da wayoyin PCB, fasa tabo na tabo, shimfidar allon PCB, gajerun hanyoyin lantarki da yanke haɗin faranti zuwa faifai. Don kawar da waɗannan gazawar, ana buƙatar allon madogara mai ɗorewa mai ɗorewa.

Menene m PCB?

Kwamitin da’irar da aka buga wanda madaidaiciyar madaidaiciyar farantin keɓaɓɓen laminated tare don haɗa sassa akan m sassa da lanƙwasa sassa maimakon haɗin waya. Sashin m zai iya zama kamar PCB mai ƙarfi na gargajiya, inda za a iya haɗa abubuwan a ɓangarorin biyu na jirgi kuma ana iya yin yadudduka da yawa na haɗin kai, yayin da za a iya haɗa sassa mai sassauƙa cikin yadudduka da yawa, amma ana iya haɗa abubuwan akan shi saboda ana amfani da ɓangaren mai sassauƙa don haɗawa kawai tsakanin tsayayyun sassan kewaye.

Cire masu haɗin kai daga ƙirar yana gabatar da waɗannan kaddarorin zuwa da’irar: Isar da sigina daga wani sashi zuwa wani ba tare da asara ko raɗaɗi (amo) Cire matsalolin haɗin gwiwa kamar lambobin sanyi.‘Yanci sararin samaniya da rage nauyi. Yana sa tabbacin girgiza kewaye kuma ana iya shigar dashi cikin aikace-aikace tare da sassan motsi.

Ƙirƙira m PCB:

Akwai software iri -iri don ƙera ƙirar PCBS mai rikitarwa, amma Altium yana ba da mafi kyawun gani na 3D na PCBS mai sassauƙa kuma ana ba da shawarar sosai. Lokacin zayyana sassauƙa masu sassauƙa da sassauƙa, yana da mahimmanci a zaɓi faɗin faɗin jan ƙarfe gwargwadon aikace -aikacen.

Wannan yana nuna cewa dole ne a yi amfani da adadin adadin na yanzu a cikin tsayayyun sassa masu lanƙwasa tare da faɗin fa’ida daban -daban saboda kauri, yanki da izinin kayan. Rayming PCB da Injiniyoyin Majalisar koyaushe suna samuwa don tuntuɓar madaidaicin faɗin wayoyi da kayan da suka dace don yawan aikin ku da aikace -aikacen ku.

Kwaikon PCB mai sassauƙa:

Samfurin yar tsana na takarda yana da matukar mahimmanci wajen ƙera sassa masu sassauƙa. Wannan aikin mai sauƙi na iya taimakawa masu zanen kaya su hana kurakurai da yawa ta hanyar nuna matsalolin da suka shafi lanƙwasawa da wuri, kuma yana iya adana lokaci da kuɗi. Wannan yana taimaka wa mai ƙira ya hango radius mai lanƙwasa kuma zaɓi madaidaiciyar hanya don gano jan ƙarfe don hana tsagewa ko katsewa.

Tsara alamar jan ƙarfe tare da nuna bambanci:

Tsayar da ƙarin jan ƙarfe a cikin ƙira yana haɓaka daidaiton girma na madaidaiciyar da’ira. Don ƙirar mai sauƙaƙe da mai gefe biyu, son kai a kusa da alamar jan ƙarfe abu ne mai kyau. Ƙarin ko cire ƙarin jan ƙarfe ya dogara ne kawai akan aikace -aikacen, amma idan mai zanen yana da ƙarin jan ƙarfe tare da son zuciya, yakamata a yi amfani da alama tare da son zuciya don kwanciyar hankali na injin. Bugu da kari, yin hakan na iya rage adadin tagulla da aka saka, wanda ya dace da muhalli ta fuskar amfani da sinadarai.

Mene ne m PCB da kuma yadda za a tsara m PCB m? Farashin PCB

Tsarin ɗauri a cikin sassauci mai yawa:

Anyi amfani da ƙirar tsayin tsayi don sauƙaƙe ƙira na da’irori masu sassauƙa da yawa. A cikin wannan dabarar, mai zanen ya ɗan ƙara tsawon kowane madaidaiciyar madaidaiciyar madaidaiciya, wanda yawanci sau 1.5 kaurin kowane ɗayan. Wannan yana hana lanƙwasa cibiyar mai lanƙwasa mai lanƙwasa a cikin da’irar sassauƙa mai ɗimbin yawa tare da keɓaɓɓen Layer. Ta hanyar wannan hanya mai sauƙi, za a iya kawar da ƙarar tensor da tasirin i-beam da aka kafa akan murfin ƙarfe na waje, wanda zai iya zama babbar matsala a aikace-aikace masu ƙarfi.

Mene ne m PCB da kuma yadda za a tsara m PCB m? Farashin PCB

Waƙa kusurwa wayoyi:

Wasu daga cikin matsalolin da ke tattare da zirga -zirgar waya a cikin da’irori masu sassauƙa sun haɗa da kiyaye adadin ƙetare zuwa mafi ƙanƙanta don a iya rage yadudduka don adana kuɗi, kuma na biyu shine lanƙwasa Angle of traces in m circuit design. Yakamata a lanƙwasa da lanƙwasa a kusa da kusurwoyi, kamar yadda kusurwa masu kaifi za su iya tarko mafita yayin tsinkaye kuma yana iya wuce gona da iri kuma zai yi wahalar tsaftacewa bayan jiyya. Lokacin da akwai alamun jan ƙarfe a kowane gefen madaidaiciyar madaidaiciya, mai zanen yakamata ya tsara sararin samaniya na 2-2.5 sau da nisa na layin don gujewa duk wata gajeriyar wutan lantarki da daidaitawa daidai. Yin la’akari da waɗannan umarni na iya inganta haɓakar sigina da rage tunani yayin juyawa.

Mene ne m PCB da kuma yadda za a tsara m PCB m? Farashin PCB

M lankwasawa miƙa mulki part:

Mafi ƙarancin tazara daga madaidaiciya zuwa madaidaicin canjin canjin zuwa gefen ramin sharewa da rufi ta rami ba zai zama ƙasa da inci 0.0748 ba. Lokacin zayyana tazarar da ke tsakanin ramin da ba a rufe ta cikin rami da gefen ciki da waje na yanke, kayan saura na ƙarshe kada su kasance ƙasa da inci 0.0197.

M – m dubawa shafi ta rami:

Mafi ƙarancin nisan da aka ba da shawarar tsakanin sashin gicciye mai ƙarfi kuma an ɗora shi ta cikin ramukan m keɓaɓɓiyar dubawa ya fi 0.125 in. Keta wannan doka na iya shafar amincin plating ta rami.