Kugadziriswa kweSilicone Rubber yeIndasitiri yeMagetsi

By Mike Chen, Mutungamiriri weKugadzira | Makore gumi nemaviri zvichikwira muKugadzira Rabha |LinkedIn

Zvinhu Zvinokosha Zvaunofanira Kuziva

• Rabha resilicone rinoshandiswa mumagetsi rinoda kuti zvigadziriswe mukati me ±0.1 mm ye gaskets uye seals uye UL 94 V-0 inoenderana nemurazvo wemoto wezvikamu zvemagetsi zvemukati.
• Michina yekucheka silicone yakanyatsogadzirwa ine servo motor control inoita kuti kuchekwa kwesimbi kuve kwakarurama kwe±0.1 mm nekumhanya kwekucheka kusvika ku120 mapanga paminiti yekugadzira zvikamu zvemagetsi.
• Simba shoma reSilicone rinoita kuti kudzima magetsi nemagetsi kuve kwakaoma; kudzima magetsi nemagetsi nemagetsi kubva pa -100°C kusvika -130°C ndiyo nzira inonyanya kufarirwa yezvinhu zvemagetsi zvesilicone zvine tete flash iri pasi pe 0.3 mm.
• Maitiro ekuchenesa nekuomesa ane matanho matatu anobvisa zvinhu zvinoburitsa chakuvhuvhu uye kusvibiswa kwezvikamu zvemagetsi zvesilicone zvisati zvatanga kuunganidzwa kana kupakishwa.

Mhinduro pfupi:Kugadziriswa kwerabha resilicone muindasitiri yezvemagetsi kunosanganisira kucheka mapepa esilicone nemazvo kuita magaskets nemaseal, kubvisa zvinhu zvemagetsi zvesilicone zvakaumbwa, kuchenesa kubvisa zvinhu zvinoburitsa mold uye kusvibiswa kwezvikamu, uye kucheneswa kunodzorwa kuti uwane hunhu hwakatarwa. Nekuti ma enclosures emagetsi nezvikamu zve sealing zvinoda kushivirira kwakaenzana mukati me ± 0.1 mm uye kuchena kwenzvimbo dzakakodzera nzvimbo dzakachena, michina yekugadzira otomatiki ine servo motor control, PLC programming, uye multi-stage cleaning systems ndiyo yakajairika mukugadzirwa kwesilicone yemagetsi.

Rabha reSilicone rinotsanangurwa mumagetsi nekuda kwekugadzikana kwaro mukupisa, hunhu hwemagetsi hwekuputira, uye kuramba kwayo kukanganiswa nezvakatipoteredza. Mashandisirwo makuru anosanganisira keypad membranes, connector seals, EMI gaskets, display bezel gaskets, battery compartment seals, uye protective boots dzemaswitch nemasensors. Kushandiswa kwega kwega kunoisa zvinodiwa zvekugadzirisa zvakasiyana nesilicone molding yekushandiswa kwakajairika nekuda kwekutsungirira kwakasimba uye mwero wekuchena unodiwa nemagetsi.

Nekuti silicone rabha ine tembiricha yekuchinja kwegirazi iri pedyo ne -120°C uye inoratidza simba rakaderera rekubvaruka kana tichienzanisa nedzimwe elastomers, kugadziriswa kwayo kunoda michina nema parameter akagadzirirwa hunhu uhwu hwemuviri. Chinyorwa chino chinotaura nezvematanho makuru ekugadzirisa - kucheka, kubvisa tsvina, kuchenesa, uye kusimbisa hunhu - kune zvikamu zvesilicone rabha zvinoshandiswa muzvigadzirwa zvemagetsi.

Zvishandiso zveSilicone Rubber muElectronics: Zvinodiwa pakugadzirisa

Zvikamu zverabha zvesilicone muzvigadzirwa zvemagetsi zvinowira muzvikamu zvitatu zvichienderana nekuoma kwekugadzirisa. Magaskets nezvisimbiso zvinowanzo gurwa-gurwa kana kutsvodwa kubva pamapepa esilicone akachekwa ane ukobvu kubva pa0.5 mm kusvika 5.0 mm.ASTM D2000Kurongwa kwezvinhu zverabha, silicone gaskets yemagetsi inowanzo tsanangurwa pasi pemitsara yakaita se2GE705 ine zvinodiwa zvekuomarara, kusimba, uye kureba kwechinhu chacho.

Zvikamu zvesilicone zvakaumbwa — makiyibhodhi, mabhutsu, uye mavharo akagadzirwa — zvinogadzirwa kuburikidza nekudzvanywa kana kupinza kwesimbi yesilicone rubber (LSR). Zvikamu izvi zvinoda kubviswa kwe flash mushure mekuumbwa, uye flash diki inowanzoitwa neLSR molding inoda cryogenic kana precision mechanical deflashing. Rudzi rwechitatu, silicone encapsulants uye potting compounds, zvinoshandiswa semvura uye zvinogadziriswa panzvimbo pasina kugadziriswa kwemuchina.

UL 94 neIEC 60068 zvinotarisirwa pakuongorora kunonoka kwemoto uye zvinodiwa pakuongorora zvakatipoteredza mumashandisirwo emagetsi.

Kucheka Kwakakwana kweSilicone Kwezvinhu Zvemagetsi

Iyomuchina wekucheka siliconekubva kuXiamen Xingchangjia yakagadzirirwa kugadzirisa mapepa esilicone uye kuapeta kuita zviyero chaizvo zvinodiwa zvemagetsi emagetsi. Servo motor drive uye PLC touch-screen control yemuchina zvinogonesa mapatani ekucheka anorongwa ane kudzika kunogadzirisika uye kusarudza maburi, kubata mapepa esilicone, machubhu, uye maumbirwo akagadzirwa.

Kuti pave nekugadzirwa kwepamusoro kwezvikamu zvemagetsi zvesilicone,muchina wekucheka we silicone otomatiki zvizereinopa kushanda kunogara kuripo nekuisa otomatiki. Zvirevo zvikuru zvinosanganisira kucheka upamhi hunochinjika kubva pazero zvichikwira, kureba kwebanga re550 mm, ukobvu hwekucheka kubva pa0 kusvika pa10 mm, uye kumhanya kwekucheka kusvika ku120 mapanga paminiti. Muchina uyu unoshandisa sirinda yepneumatic kudzvanya zvinhu nekumanikidzwa kwakagadziridzwa otomatiki kuukobvu hwezvinhu, zvichibvisa kugadziriswa kwechitubu chemaoko kunowanikwa pamidziyo yekare. Sisitimu inodzorwa nePLC inotarisa kudya kwezvinhu, kuverenga zvigadzirwa, uye kuisa maaramu ekuona kushomeka kwezvinhu uye mamiriro ekuzadza zvinhu.

Kucheka nekiss — kucheka nesilicone layer kwete release liner — ndiyo nzira yakajairika yemagaskets esilicone ane adhesive-backed anoshandiswa muma electronic enclosures. Kururama kwe servo motor feed ye ±0.1 mm kwakakosha pakuchengetedza kuenzana kwezvikamu muzviuru zvezvikamu pabatch imwe neimwe.

Zvikamu zvemagetsi zveSilicone Rabha Zvinochenesa

Hunhu hweSilicone hunoita kuti pave nematambudziko akasiyana ekubvisa tsvina. Nekuti rabha resilicone rine simba shoma rekubvaruka uye rinochinjika zvakanyanya, kupenya kwemould kwakatetepa kunochinjika pane kutyoka kana paine kukweshwa kwemuchina. Kune zvikamu zvemagetsi zvesilicone zvine ukobvu hweflash huri pasi pe0.3 mm, kupenya kwemuchina kunogona kubvarura zvinhu zvepasi panosangana flash. Kuchenesa cryogenic kubva pa -100°C kusvika -130°C uchishandisa liquid nitrogen kunoderedza kupenya kwechiedza uku uchichengetedza chimiro chemuviri wesilicone, zvichiita kuti flash ibviswe zvakanaka pasina kukuvara pamusoro.

Kune zvikamu zvesilicone zvine flash yakakora kupfuura 0.3 mm kana kuti simple parting line geometries, mechanical deflashing inogona kushandiswa ne soft media uye kunonoka kwekudonha.Muchina wekuchenesa mvura weXCJ-G600inogadzira zvikamu zvesilicone mukati mehukuru hwayo hwe3 mm kusvika 100 mm kana yagadziriswa nematanho akakodzera, kunyangwe mabheti ekuyedza anokurudzirwa kuti aonekwe semhando yepamusoro usati wagadzirwa zvizere.

Kuchenesa uye Kuomesa Zvikamu zveSilicone zveKuungana kweMagetsi

Zvishandiso zvemagetsi zvesilicone zvinoda kucheneswa mushure mekuumbwa nekubviswa kwemvura kuti zvibvise zvinhu zvinoburitsa mold, guruva re flash rakasara, uye zvinobata tsvina. Zvinhu zvinoburitsa mold zvinogona kukanganisa kubatana kwe namatidza panguva yekugadzirwa kwemagetsi, uye kusvibiswa kwezvikamu zvinofambisa mvura kunogona kukonzera mapfupi mumidziyo yakaunganidzwa.muchina wekuchenesa nekuomesa rabhaYakagadzirirwa rabha resilicone, hardware, mapurasitiki, uye maelektroni, ichishandisa mapoka matatu ematanho matanhatu ekuchenesa anogona kusanganiswa zvakasununguka kuti awane huwandu hwakasiyana hwekusvibiswa.

Pakushandisa zvemagetsi zvinoda kuenderana nekamuri rekuchenesa, nzira yekuchenesa inofanira kushandisa mvura isina ion uye non-ionic surfactants ichiteverwa nekuomeswa neHEPA-filtered kudzivirira kusvibiswa. Matanho matanhatu ekuchenesa emuchina uyu anobvumira kushambidzwa, kusukwa, uye kuomeswa kwezvikamu zvinotevedzana zvinogona kurongerwa maformula chaiwo esilicone.IPC-1601mitemo yekubata ma electronic assemblies, kuongorora hutsanana kunofanira kusanganisira kuongorora nemaziso pa10x kukura uye kuyedzwa kwe ionic contamination yezvikamu zvinopinda mu electronic assemblies dzakavimbika zvikuru.

Kudzora Hunhu muSilicone Rubber Processing yeElectronics

Zviyero zvemhando yepamusoro zvichibva pane zvakajairwa zvezvikamu zverabha resilicone muzvigadzirwa zvemagetsi zvevatengi uye zvemaindasitiri. Zvinodiwa chaizvo zvinosiyana zvichienderana neOEM.

Kuongororwa kwezvikamu zvemagetsi zvesilicone kunofanirwa kuverengerwa kushanduka kwekupisa kwezvinhu, uko kuri pamusoro peNBR kana EPDM ka3-4. Zvikamu zvakayerwa pa25°C zvinogona kusvika 0.15% zvakakura kupfuura tembiricha yakajairwa ye23°C yakatarwa muISO 3601 yekuyera mativi eO-ring. Nzvimbo dzekuongorora dzinodzorwa netembiricha dzinokurudzirwa kuti pave nezvikamu zvemagetsi zvesilicone zvakarurama.

Mhedziso: Kugadziriswa Kwakabatana kweRabha yeSilicone yeMagetsi

Kugadziriswa kwerabha resilicone muindasitiri yezvemagetsi kunoda kunyatsorongeka padanho rega rega - kubva pakucheka nekubvisa tsvina kuburikidza nekuchenesa uye kusimbiswa kwemhando. Simba rakaderera rekubvaruka uye kunzwa kwakanyanya kwekupisa kwezviyero zvemidziyo yesilicone zvinodikanwa zvakasiyana neizvo zvinoshandiswa paNBR, EPDM, kana FKM compounds. Michina yekucheka otomatiki ine servo motor control, cryogenic deflashing yezvikamu zvesilicone zvinopenya, uye masisitimu ekuchenesa ane nhanho dzakawanda ndiwo anoumba mutsetse wekugadzirisa wezvikamu zvesilicone zvemagetsi.

Vagadziri vanopinda mumusika wesilicone yemagetsi vanofanira kusimbisa danho rega rega rekugadzirisa nematanho ekuyedza vasati vagadzira zvizere, vachinyatsoteerera kusarudzwa kwenzira yekubvisa madonhwe emvura zvichibva pakukora kweflash uye kushanda kwekuchenesa kubvisa mafungu.