Acrylic vs. Silicone Conformal Coating: Ndeipi Conformal Coatings Yakakodzera Kwauri?

Acrylic uye silicone conformal coatings inzira dzakanakisa dzekuchengetedza magetsi ako uye zvimwe zvishandiso. Asi ndeipi yakakunakira? Mhinduro yacho inotsamira pane zvakati wandei, zvinosanganisira zvinhu zvemudziyo wako, mamiriro ako, uye zvaunotarisira kuzadzisa nekuputira. Muchikamu chino, tichaenda pamusoro pemimwe mibvunzo yakajairika pamusoro pezvigadzirwa zviviri izvi uye nzira yakanakisa yekuzviitira iwe sarudzo.

Chii chinonzi Conformal Coating?

A conformal coating ifirimu rakatetepa rinoiswa kune zvemagetsi circuitry kuti ridzivirire kubva kunharaunda. Chinangwa chekutanga chejasi yakabatikana ndechekuisa simbi yakavhurika, kudzivirira mapfupi maseketi uye ngura. Conformal coatings inogona kugadzirwa kubva kwakasiyana zvinhu, zvinosanganisira acrylics, silicones, uye polyurethanes. Mhando yega yega yezvinhu ine yakasarudzika zvivakwa zvinoita kuti iwedzere kana kushomeka kune chaiyo maapplication.

Acrylic conformal coatings inowanzogadzirwa kubva kumapolymers akadai se polymethyl methacrylate (PMMA). PMMA iri pachena, isina ruvara polima ine yakanaka makemikari kuramba uye dielectric zvimiro. Acrylics anowanzo kuve nyore kuisa uye ane adhesion yakanaka kune akasiyana substrates. Dzinogona kurapwa patembiricha dzakaderera, dzichiita kuti dzive dzakanakira kune dzakaoma zvemagetsi application. Nekudaro, ma acrylics haana kusimba semamwe machira akajairwa uye anogona kuve yero nekufamba kwenguva.

Silicone conformal coatings inogadzirwa kubva kune silicone polymers senge polydimethylsiloxane (PDMS). PDMS iri pachena, isina ruvara polymer ine yakanakisa makemikari kuramba uye dielectric zvivakwa. Silicones ine yakanaka kunamatira kune akasiyana substrates uye inogona kurapwa pakupisa kwakanyanya. Izvi zvinoita kuti dzive dzakanakira kushandiswa mune yakakwirira-tembiricha application senge mota dzemagetsi. Nekudaro, ma silicones anodhura kupfuura mamwe marudzi eakakomesa machira.

Benefits of Conformal Coating

Pane zvakawanda zvakanaka zvekushandisa conformal coating pane yako Yakadhindwa Circuit Board (PCB), kusanganisira:

1. Dziviriro kubva kune zvakatipoteredza: Iyo conformal coating inodzivirira PCB yako kubva kune yakaoma nharaunda yainozoratidzwa, kusanganisira hunyoro, guruva, makemikari uye tembiricha yakanyanyisa. Izvi zvinogona kubatsira kurebesa hupenyu hwePCB yako.
2. Kuvandudza kushanda kwemagetsi: A conformal coating inogona kuvandudza kushanda kwemagetsi kwePCB yako nekupa yunifomu dielectric layer pamusoro pepamusoro pebhodhi. Izvi zvinogona kubatsira kuderedza crosstalk uye electromagnetic interference (EMI).
3. Kuwedzerwa simba remagetsi: Iyo conformal coating inogona kuwedzera magetsi emagetsi kuPCB yako, ichibatsira kuidzivirira kubva mukushushikana kwemuviri uye kukuvara kwemhedzisiro.
4. Kuderedzwa kwemitengo yekugadzira: Kushandisa conformal coating kunogona kurerutsa maitiro ekugadzira ePCB yako, sezvo ichibvisa kudiwa kweanodhura manyorerwo ekugadzira magadzirirwo.
5. Kuwedzera kuvimbika: Iyo conformal coating inogona kuvandudza kuvimbika kwePCB yako nekudzivirira kubva kune zvakatipoteredza uye zvemagetsi zvinonetsa.

Maitiro Okushandisa Conformal Coating

Nzira dzinoverengeka dzinogona kuisa conformal coating kuPCB, kusanganisira pfapfaidzo, dip, uye brashi.

1. Spray coating: Iyo inonyanya kushandiswa nzira yekuisa conformal coating kuPCB. Iyi nzira inoshandisa pfuti yekupfapfaidza kuisa iyo yekupfekedza zvinhu zvakaenzana pamusoro pepamusoro pebhodhi.
2. Dip coating: Dip coating inosanganisira kunyudza iyo PCB muvheti yezvakagadziriswa coating zvinhu, zvichibvumira kuti ipfeke zvakaenzana pese pese pebhodhi.
3. Brush coating: Kupfekedza bhurashi kunosanganisira kuisa iyo conformal coating material zvakaenzana pamusoro pebhodhi.

Zvakanakira uye Zvakaipa zveAcrylic vs Silicone

Pakusarudza conformal coating yePCB yako, pane zvakawanda zvinhu zvekufunga nezvazvo. Acrylic uye silicone ndiyo mbiri dzesarudzo dzinonyanya kufarirwa kune conformal coatings, asi imwe neimwe ine zvayakanakira nezvayakaipira. Heano kutarisisa kune zvakanakira uye zvakaipira zve acrylic vs silicone conformal coating:

Acrylic Conformal Coating:

zvayakanakira:

• Kuramba kwemwando kwakanaka
• Kwakanaka kuchinjika
• Kunamatira kwakanaka kune zvakasiyana-siyana zve substrates
• Kurumidza kurapwa nguva

nezvayakaipira:

• Haisi yakasimba sesilicone
• Mamwe makemikari anogona kuikuvadza.

Silicone Conformal Coating:

zvayakanakira:

• Excellent humidity uye mwando kuramba
• Zvakanaka dielectric properties
• Wide inoshanda tembiricha huwandu
• Yakasimba kwazvo

nezvayakaipira:

• Kunonoka kurapwa nguva
• Yakaganhurirwa kunamatira kune mamwe ma substrates

Maitiro ekusarudza pakati peAcrylic neSilicone

Kune akawanda marudzi e-conformal coatings pamusika, asi maviri anonyanya kufarirwa ndeye acrylic uye silicone. Saka, unosarudza sei pakati pezviviri?

Heano zvimwe zvinhu zvekufunga nezvazvo:

• Mutengo: Acrylic inowanzo kudhura kupfuura silicone.
• Nguva yekurapa: Silicone inogona kutora maawa makumi maviri nemana kana kupfuura kurapa, nepo acrylic achingotora maawa mashoma.
• Tembiricha yekushandisa: Silicone inogona kuiswa pane yakaderera tembiricha pane acrylic, saka inogona kunge iri sarudzo iri nani kana ukashanda munzvimbo inotonhorera.
• Viscosity: Acrylic yakatetepa kupfuura silicone, saka zvingava nyore kuisa.
• Flexibility: Silicone inonyanya kuchinjika kupfuura acrylic, saka zviri nani kune maapplication uko iyo yekupfeka ichada kuchinjika kana kufamba.
• Tembiricha kuramba: Silicone inogona kumira tembiricha yakakwira kupfuura acrylic.
• Chemical resistance: Silicone inoshingirira kumakemikari pane acrylic.

Saka, ndeipi yakakunakira? Zvinoenderana nezvido zvako uye kushandisa. Kana iwe uchida kumwe kujekeswa, bvunza nyanzvi!

Mafungiro eKusarudza Pakati peAcrylic kana Silicone

Pakusarudza pakati pe acrylic uye silicone conformal coatings, pane akati wandei zvinhu zvekufunga nezvazvo. Chinhu chinonyanya kukosha iko kushandiswa uye nharaunda umo iyo layer ichashandiswa. Zvimwe zvakakosha zvinotariswa zvinosanganisira zvinotevera:

• Mhando ye substrate iri kuputirwa
• Izvo zvinodiwa zvehuputi
• Chiyero chekudzivirira chinodiwa.
• Mutengo wezvokupfekedza zvinhu

Acrylic conformal coatings inowanzo kudhura kupfuura silicone coatings uye inogona kupa zvine hungwaru kudzivirira kubva kunyoro uye guruva. Nekudaro, iwo haana kusimba kudarika silicone coatings uye anogona kusapa chengetedzo yakakwana munzvimbo dzinodiwa zvakanyanya.

Silicone conformal coatings inodhura kupfuura acrylics, asi inogara yakasimba uye inogona kupa kudzivirirwa kuri nani kumakemikari uye kupisa kwakanyanya. Izvo zvakare zviri nyore kubvisa kana kugadzirisa kana kugadziridzwa kuchida kuitwa kune substrate.

Kuti uwane zvakawanda nezve acrylic vs. silicone conformal coating: izvo conformal coatings yakakunakira iwe, unogona kushanya kuDeepMaterial pa https://www.epoxyadhesiveglue.com/category/epoxy-conformal-coating/ nokuti zvimwe info.