Kodi Silicone Conformal Coating For Electronics PCB Circuit Board Protective Ndi Chiyani?

Nkhaniyi ifotokoza zokutira kovomerezeka kwa silicone kwa PCB ndikuyankha mafunso ambiri omwe amafunsidwa. Tikunena chiyani a silicone conformal zokutira ndi, momwe zingathandizire zamagetsi anu, ndi chifukwa chake mungafunikire izo.

Kodi Silicone Conformal Coating ndi Chiyani?

Conformal zokutira ndi zinthu zomwe zimagwiritsidwa ntchito pamwamba pa chipangizo chamagetsi kuti zitetezedwe kuzinthu zachilengedwe monga chinyezi, fumbi, ndi mankhwala. Mtundu wodziwika bwino wa zokutira zofananira zomwe zimagwiritsidwa ntchito pamakampani amagetsi ndi zokutira za silicone.

Silicone conformal coating ndi filimu yowonekera, yopyapyala yomwe imagwiritsidwa ntchito pama board ozungulira ndi zida zina zamagetsi kuti zitetezedwe ku zowonongeka zomwe zimachitika chifukwa cha chinyezi, chinyezi, makutidwe ndi okosijeni, ndi zina zachilengedwe. Zovala zofananira za silicone zimathanso kuteteza ku akabudula amagetsi ndi ma arcing.

Zovala zofananira nthawi zambiri zimagwiritsidwa ntchito popopera, kumiza, kapena burashi. Chophimbacho chikagwiritsidwa ntchito, chiyenera kuchiritsidwa pogwiritsa ntchito kutentha, kuwala kwa ultraviolet, kapena kuphatikiza zonse ziwiri.

Zovala zofananira za silicone zimapereka maubwino angapo kuposa zokutira zina zofananira, kuphatikiza kukana chinyezi, kukhazikika kwamafuta, komanso kawopsedwe kochepa.

Ubwino Wopaka Silicone Conformal Coating

Pali zabwino zambiri zokutira za silicone za PCB. Ikhoza kuteteza PCB yanu ku chinyezi, mankhwala, ndi kupsinjika kwa thupi. Ikhozanso kusintha mphamvu zamagetsi za PCB yanu ndikuwonjezera moyo wake.

Silicone conformal zokutira ndizosavuta kugwiritsa ntchito ndikuchotsa. Mutha kugwiritsa ntchito burashi, roller, kapena spray. Ndipo mukhoza kuchotsa ndi zosungunulira monga isopropyl mowa.

Silicone conformal coating imakhalanso yosinthika kwambiri. Mutha kugwiritsa ntchito pazinthu zosiyanasiyana, kuphatikiza magalasi, zitsulo, ndi pulasitiki.

Pomaliza, zokutira zofananira za silicone ndizotsika mtengo kwambiri. Ndi imodzi mwa njira zotsika mtengo kwambiri zotetezera PCB yanu.

Kuipa Kwa Silicone Conformal Coating

Pali zovuta zina za zokutira za silicone za PCB. Choyamba, ndizochepa kwambiri kuposa zosankha zina. Ikhoza kuonongeka ndi kutentha ndi mankhwala.

Chachiwiri, silikoni zokutira conformal Zingakhale zovuta kuzikonza ngati zitawonongeka. Mungafunike kusintha gulu lonse.

Chachitatu, zokutira zofananira za silicone zimatha kuchepetsa kuthekera kogulitsa pa PCB yanu. Ngati mukufuna kupanga soldering zambiri, ganizirani kugwiritsa ntchito mtundu wina wa zokutira.

Chachinayi, zokutira zofananira za silicone zimatha kupangitsa PCB yanu kukhala yomamatira. Izi zitha kukhala zovuta kugwira ntchito ndi PCB yanu.

Pomaliza, zokutira zofananira za silicone zimatha kutulutsa utsi womwe ungawononge thanzi lanu. Zingakuthandizeni ngati nthawi zonse mumagwira ntchito pamalo olowera mpweya wabwino mukamagwiritsa ntchito zokutira izi.

Kodi Silicone Conformal Coating Imayikidwa Bwanji?

Pali njira ziwiri zazikulu zogwiritsira ntchito zokutira za silicone pa PCB - pamanja komanso zokha.

Kugwiritsa ntchito pamanja ndi njira yodziwika kwambiri ndipo kumaphatikizapo kugwiritsa ntchito burashi, chogudubuza kapena mfuti yopopera kuti mugwiritse ntchito ❖ kuyanika mofanana pamwamba pa PCB. Njirayi ikugwirizana bwino ndi mapulojekiti ang'onoang'ono pomwe matabwa ochepa okha ndi omwe ayenera kukutidwa.

Kugwiritsa ntchito zokha ndikoyenera kumapulojekiti akuluakulu chifukwa kumapereka kuphimba kosasinthika komanso kofananira. Njirayi imagwiritsa ntchito makina kuyika zokutira, zomwe zingakhale zoyendetsedwa ndi mpweya kapena electrostatic.

Kamodzi silika zokutira conformal yagwiritsidwa ntchito, iyenera kuchiritsidwa kuti ikhazikitsidwe. Izi zitha kuchitika pogwiritsa ntchito kutentha kapena kuwala kwa UV.

Kodi Ubwino Wogwiritsa Ntchito Silicone Conformal Coating ndi Chiyani?

Kupaka kwa silicone conformal kumapereka maubwino angapo, kuphatikiza:

● Zimateteza ku chinyezi ndi chinyezi

● Imaletsa dzimbiri

● Imateteza ku kugunda kwa magetsi.

● Zimateteza ku kutentha kwambiri.

● Imalimbana ndi mikwingwirima ndipo imawonongeka pakapita nthawi.

● Imasinthasintha ndipo ingagwiritsidwe ntchito pamalo osakhazikika.

Silicone Conformal Coating vs. Zopaka Zina

Mitundu yambiri yosiyanasiyana ya zokutira zofananira zilipo pamsika, iliyonse ili ndi zida zake komanso zopindulitsa. Koma posankha zokutira zoyenera pa PCB yanu, zokutira za silicone nthawi zambiri zimakhala njira yabwino kwambiri.

Silicone conformal yokutira imapereka chitetezo chabwino kwambiri chamagetsi ndi chitetezo ku chinyezi, mankhwala, ndi kutentha kwambiri. Ilinso ndi coefficient yotsika kwambiri yakukula kwamafuta, kutanthauza kuti sichitha kapena kusenda ngati kutentha kukusintha.

Zovala zina zofananira ndi ma acrylics, urethanes, ndi epoxies. Iliyonse ili ndi zabwino ndi zovuta zake, koma palibe yomwe ingafanane ndi kusinthasintha komanso magwiridwe antchito a silicone.
Silicone conformal coating ndiyo njira yopitira ngati mukufuna chitetezo chabwino kwambiri cha PCB yanu.

Pali zifukwa zingapo zomwe silicone zokutira conformal Nthawi zambiri ndiye chisankho chabwino kwambiri pachitetezo cha PCB:

● Imateteza bwino kwambiri magetsi.

● Imalimbana ndi chinyezi, mankhwala, ndi kutentha kwambiri.

● Imakhala ndi kagawo kakang'ono ka kukulitsa kutentha, kutanthauza kuti siingang'ambe kapena kusenda ngati kutentha kukusintha.

● Itha kugwiritsidwa ntchito mopepuka kwambiri, kupulumutsa malo pa PCB.

● Zimapanga mgwirizano wamphamvu ndi pamwamba pa PCB, kupereka chitetezo chokhalitsa.

Zoyipa Za Kupaka Kwa Silicone Conformal

Chomwe chingathe kubweza zokutira zofananira za silicone ndikuti zimatha kukhala zovuta kuchotsa. Izi zitha kukhala vuto ngati mukufuna kukonza kapena kusintha PCB yanu mutagwiritsa ntchito zokutira. Kuphatikiza apo, zokutira zofananira za silicone zimatha kupereka chitetezo chocheperako ku chinyezi ndi zoopsa zina zachilengedwe kuposa zokutira zina zofananira.

Muyenera Kudziwa

Silicone conformal coating ndiye njira yotchuka yoteteza ma PCB kuti asawonongeke. Ndi yolimba, yosinthika, komanso yosagonjetsedwa ndi zoopsa zosiyanasiyana zachilengedwe. Komabe, zingakhale zovuta kuchotsa ndipo zingapereke chitetezo chochepa ku chinyezi ndi zoopsa zina zachilengedwe kusiyana ndi zokutira zina zovomerezeka.

Kuti mudziwe zambiri ndi chiyani silicone conformal zokutira zamagetsi pcb dera bolodi zoteteza, mukhoza kulipira ulendo DeepMaterial pa https://www.epoxyadhesiveglue.com/category/epoxy-conformal-coating/ chifukwa Dziwani zambiri.