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PCB potting zvinhu mukugadzirwa kwemagetsi uye kusangana

PCB potting zvinhu mukugadzirwa kwemagetsi uye kusangana

Mukugadzirwa kwemagetsi, mabhokisi ekuputira akajairika uye anoita seakavharirwa. Izvi zvinodzivirira zvikamu zvemukati zvebhokisi kubva kune zvakatipoteredza uye kukuvara kwemuviri. Nekuputira, unogona kukwidziridza insulation yemagetsi ari mubvunzo.

Nzira yekugadzira mapoto yakasiyana nedzimwe nzira dzinoshandiswa mukugadzira zvivharo. Izvi zvinodaro nekuti iyo yakavharirwa inowanzozadzwa nemakomisheni ayo ari semi-yakasimba kuchengetedza nekuchengetedza zvikamu. Izvi zvinogona kuvhiringa dzimwe nguva.

Akanakisa epoxy adhesive glue vagadziri muChina
Akanakisa epoxy adhesive glue vagadziri muChina

Zvinhu zvinokosha

Potting dzimwe nguva inonzi embedment. Iyi ndiyo nzira iyo gungano remagetsi rinozadzwa nejelly rakakosha kana rakasimba kuti ive nechokwadi chekuti pane kuwedzera kupikisa. Izvi zvinoreva kuti zvikamu zvinogara zvisina corrosive agents, mwando, mvura-gaseous compounds, vibrations, uye kuvhunduka.

Bhokisi rehari rinowanzoita zvepakati kusvika kudiki-diki kesi rinoshandiswa kuvharidzira gungano remagetsi kana bhodhi redunhu rakadhindwa. Mamwe anouya ane mhango yakasarudzika ine chivharo chakakura chakagadzirirwa kupa kuchengetedzwa kwakasarudzika.

Electronic potting inobatsira

Paunenge uchigadzira zvemagetsi, unowedzera dziviriro kubva kumagetsi, kuvuza, hunyoro, uye kukanganisa. Izvi zvinoguma nekukanganiswa kwemagetsi nekuvimbika kuri nani kwedunhu uye kuita kwemagetsi.

apo potting compounds dzinoshandiswa, zvemagetsi zvinodzivirirwa kubva kukudengenyeka, kuvhunduka, uye zvimwe zvinokanganisa. Kana paine mavibrations, panogona kuve nekudimburwa kwewaya zvinotungamira kusashanda kwehurongwa. Vibrations yePCBs inotungamira mukubatanidzwa kweiyo yakafanana. Izvi zvinotungamira kukusimudzira kushushikana, uye iwe unoona kuti redunhu bhodhi rinotadza kare kare. Potting inoita kuti akadhindwa edunhu mabhodhi adengenyeke uye asatya.

Kana chikamu chemagetsi kana chemagetsi chiri muhari, chinodzivirirwa kubva kune tsvina uye guruva, izvo zvinowanzobatanidzwa zvakanyanya nekuderedza kushanda uye kukurumidza. Izvo zvinotungamirirawo kune kupindira kwechiratidzo uye overheating.

Potting compounds

Dai waizobhurawuza painternet, waiwana akawanda mapotting makomisheni zvigadzirwa zvaungafunga kushandisa. Nekudaro, iwe unofanirwa kuonga kuti ese macommunisheni ehari haana kuitwa akaenzana. Vese vane seti yavo yezvakanakira nezvayakaipira.

Rudzi rwe potting compound iwe waunosarudza unofanirwa kubva pane purojekiti yauri kubata. Kazhinji, vanhu vanosarudza silicone urethane uye epoxy.

Kunhonga makomisheni akakodzera

Pane zvinhu zvakakosha zvinofanirwa kutariswa kana uchinhonga iyo yakanakisa komboni. Zvinosanganisira:

Kuomarara: kana iwe uchida abrasion uye mamiriro ekunze kuramba, saka yakaoma makomisheni ndiyo yakanaka. Urethane uye epoxy ndiyo yakanakisisa munyaya iyi. Vanopa mhedzisiro yakaoma uye yakaoma pakurapa. Silicone inoenda yakaoma asi inoshanduka kuoma.

Viscosity: mamwe maapplication anoda yakaderera viscosity kubvumira makomisheni kuyerera uye nhanho. Makomisheni akajairwa ane rudzi urwu rwe viscosity.

Ruvara: iwe unofanirwa kufunga nezve ruvara zvakare, kunyanya kana kuoneka iri nyaya. Kune marudzi ese emavara uye akajeka makomisheni kune optically akajeka maapplication.

Thermal conductivity: zvinogara zvine hungwaru kusarudza iyo yepamusoro conductivity kuti iparadze nyore kana kutonga kupisa kunowanzoenderana nemidziyo. Silicone ndiyo yakanakisa munyaya iyi.

Yakanakisa yepamusoro china yemagetsi adhesives vanogadzira glue
Yakanakisa yepamusoro china yemagetsi adhesives vanogadzira glue

Bottom mutsetse

Pane zvakati wandei zvinotariswa zvinofanirwa kuitwa kana uchitsvaga yakanakisa potting compound. Uine pfungwa yakanaka mupfungwa, iwe unofanirwa kukwanisa kuwana yakanakisa sarudzo. Nzira iri nyore yekuita izvi ndeyekushanda neDeepMaterial. Tinogona kukutungamira pakuita sarudzo tichikupa zvigadziriso zvetsika kuti zvienderane nezvaunoda.

Nezvizhinji nezve PCB potting zvinhu mukugadzira zvemagetsi uye gungano, unogona kubhadhara kushanya kuDeepMaterial pa https://www.epoxyadhesiveglue.com/category/pcb-potting-material/ nokuti zvimwe info.

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