Ukucutshungulwa Kwenjoloba Ye-Silicone Yemboni Ye-elekthronikhi

By UMike Chen, Umqondisi Wokukhiqiza | Iminyaka eyi-12+ Ekukhiqizeni Irabha |I-LinkedIn

Izinto Ezibalulekile Okufanele Uzicabangele

• Irabha ye-silicone esetshenziswa kuma-elekthronikhi idinga ukubekezelelana kokucubungula ngaphakathi kuka-±0.1 mm kwama-gasket nama-seal kanye nokuhambisana ne-UL 94 V-0 okubamba umlilo kwezingxenye ze-elekthronikhi zangaphakathi.
• Imishini yokusika ye-silicone enembile enokulawula kwe-servo motor ifinyelela ukunemba kokuphakelwa okungu-±0.1 mm ngesivinini sokusika esifinyelela ku-120 imimese ngomzuzu ukuze kukhiqizwe izingxenye ze-elekthronikhi.
• Amandla okudabuka aphansi e-silicone enza ukudambisa ugesi ngomshini kube nzima; ukudambisa ugesi nge-cryogenic kusuka ku--100°C kuya ku--130°C kuyindlela ekhethwayo yezingxenye ze-elekthronikhi ze-silicone ezine-flash encane engaphansi kuka-0.3 mm.
• Izinqubo zokuhlanza nokomisa ezinezigaba ezintathu zisusa izinto ezikhipha isikhunta kanye nokungcola kwezinhlayiya ngaphambi kokuba izingxenye ze-silicone electronic ziqhubeke nokuhlanganiswa noma ukupakishwa.

Impendulo emfushane:Ukucubungula irabha ye-silicone embonini ye-elekthronikhi kuhilela ukusika ngokunembile amashidi e-silicone abe ama-gasket nama-seal, ukususa izingxenye ze-silicone ezibunjiwe, ukuhlanza ukususa izinto zokukhulula isikhunta kanye nokungcola kwezinhlayiya, kanye nokulungisa okulawulwayo ukuze kufezwe izakhiwo ezithile zomzimba. Ngenxa yokuthi izindawo zokuvala ze-elekthronikhi kanye nezingxenye zokuvala zidinga ukubekezelelana okulinganiselwe ngaphakathi kuka-±0.1 mm kanye nokuhlanzeka kwendawo efanelekela izindawo zokuhlanza, imishini yokucubungula ezenzakalelayo enokulawulwa kwe-servo motor, uhlelo lwe-PLC, kanye nezinhlelo zokuhlanza zezigaba eziningi zijwayelekile ekukhiqizweni kwe-silicone yezinga le-elekthronikhi.

Irabha ye-silicone ichazwa kuma-elekthronikhi ngenxa yokuzinza kwayo ekushiseni, izakhiwo zokuvikela ugesi, kanye nokumelana nokuwohloka kwemvelo. Izinhlelo zokusebenza ezibalulekile zifaka phakathi ama-keypad membrane, izivalo zokuxhuma, ama-gasket e-EMI, ama-gasket e-display bezel, izivalo ze-battery compartment, kanye namabhuzu okuvikela amaswishi nama-sensor. Uhlelo ngalunye lubeka izidingo ezithile zokucubungula ezihlukile ekubunjweni kwe-silicone okujwayelekile ngenxa yokubekezelelana okuqinile kanye nezindinganiso zokuhlanzeka ezifunwa ukuhlanganiswa kwe-elekthronikhi.

Ngenxa yokuthi irabha ye-silicone inokushisa kokuguquka kwengilazi okuseduze no-120°C futhi ikhombisa amandla aphansi okudabuka uma kuqhathaniswa namanye ama-elastomer, ukucubungula kwayo kudinga imishini kanye nemingcele elungiselelwe lezi zici zomzimba. Lesi sihloko sihlanganisa izigaba eziyinhloko zokucubungula — ukusika, ukususa ukungcola, ukuhlanza, kanye nokuqinisekiswa kwekhwalithi — yezingxenye zerabha ye-silicone ezisetshenziswa emikhiqizweni kagesi.

Izicelo Zenjoloba Yesilikhoni Kuma-elekthronikhi: Izidingo Zokucubungula

Izingxenye zerabha ze-silicone emikhiqizweni kagesi ziwela ezigabeni ezintathu ngokucubungula ubunzima. Ama-gasket kanye nezimbozo ngokuvamile zinqunywa ngodayi noma zinqunywe kusuka kumashidi e-silicone ahlanganisiwe anobukhulu obusukela ku-0.5 mm kuya ku-5.0 mm.I-ASTM D2000Ukuhlukaniswa kwemikhiqizo yerabha, ama-gasket e-silicone kagesi avame ukucaciswa ngaphansi kwemigqa efana ne-2GE705 enezidingo zobulukhuni, ukuthambekela, kanye nobude obuthile kuhlelo lokusebenza.

Izingxenye ze-silicone ezibunjiwe — ama-keypad, amabhuzu, kanye nezindawo zokuvala ezenziwe ngokwezifiso — zikhiqizwa ngokubumba i-compression noma i-liquid silicone rubber (LSR) injection. Lezi zingxenye zidinga ukususwa kwe-flash ngemva kokubumba, kanti i-flash encane ejwayelekile yokubumba i-LSR idinga i-cryogenic noma i-precision mechanical deflashing. Isigaba sesithathu, ama-silicone encapsulants kanye nama-potting compounds, asetshenziswa njengoketshezi futhi ahlanzwe endaweni ngaphandle kokucutshungulwa kwemishini.

I-UL 94 kanye ne-IEC 60068 zibhekiselwa ezidingweni zokuhlolwa kokumelana nomlilo kanye nokuhlolwa kwemvelo kuzinhlelo zokusebenza ze-elekthronikhi.

Ukusika Okunembile Kwe-Silicone Kwezingxenye Ze-elekthronikhi

Iumshini wokusika we-siliconeI-Xingchangjia evela ku-Xiamen yenzelwe ukucubungula amashidi e-silicone futhi igoqeke ibe yizilinganiso eziqondile ezidingekayo kuma-gaskets kagesi kanye nama-seal. I-servo motor drive yomshini kanye nokulawula isikrini sokuthinta se-PLC kuvumela amaphethini okusika angahlelwa ngobubanzi obulungisekayo kanye nokukhethwa kwama-blade, ukuphatha amashidi e-silicone, amashubhu, kanye nezimo ezenziwe ngokwezifiso.

Ukuze kukhiqizwe izingxenye ze-silicone ze-elekthronikhi ngobuningi obukhulu,umshini wokusika we-silicone ozenzakalelayo ngokupheleleinikeza ukusebenza okuqhubekayo ngokufaka okuzenzakalelayo. Imininingwane ebalulekile ifaka ububanzi bokusika obulungisekayo kusukela ku-zero kuya phezulu, ubude be-blade obungu-550 mm, ubukhulu bokusika obusukela ku-0 kuya ku-10 mm, kanye nesivinini sokusika esifinyelela ku-120 imimese ngomzuzu. Umshini usebenzisa isilinda somoya ukucindezela izinto ngokucindezela okulungiselelwa ngokuzenzakalelayo ukujiya kwezinto, ukuqeda ukulungiswa kwentwasahlobo ngesandla okutholakala emishinini emidala. Uhlelo olulawulwa yi-PLC luqapha ukudla kwezinto, ukubalwa komkhiqizo, kanye nokufaka ama-alamu ukuze kutholakale ukushoda kwezinto kanye nezimo zokugcwala kwempahla.

Ukusika ngokuqabula — ukusika ungqimba lwe-silicone kodwa hhayi i-release liner — kuyindlela ejwayelekile yama-gasket e-silicone anamathelayo asetshenziswa ezindaweni zokuvala zikagesi. Ukunemba kokuphakelwa kwe-servo motor okungu-±0.1 mm kubalulekile ekugcineni ukuhambisana kobukhulu phakathi kwezinkulungwane zezingxenye ngebhetshi ngayinye.

Izingxenye ze-elekthronikhi zerabha ye-Silicone ezikhipha ukungcola

Izakhiwo zomzimba ze-Silicone zidala izinselele ezihlukile zokukhipha umoya. Ngenxa yokuthi irabha ye-silicone inamandla amancane okudabuka kanye nokuguquguquka okuphezulu, i-flash encane yesikhunta iyaguquguquka kunokuba iqhekeke ngaphansi kokuguguleka komshini. Ezingxenyeni ze-silicone ze-elekthronikhi ezinobukhulu be-flash obungaphansi kuka-0.3 mm, ukukhishwa komshini kuyingozi yokudabula izinto eziyisisekelo endaweni yokuxhumanisa i-flash. Ukukhishwa kwe-cryogenic kusuka ku--100°C kuya ku--130°C kusetshenziswa i-nitrogen ewuketshezi kugcwalisa ngokukhetha i-flash encane ngenkathi kulondolozwa ubuqotho besakhiwo somzimba we-silicone, okuvumela ukususwa kwe-flash ehlanzekile ngaphandle kokulimala kwendawo.

Ezingxenyeni ze-silicone ezine-flash ejiyile engaphezu kuka-0.3 mm noma ama-geometri alula omugqa wokuhlukana, i-mechanical deflashing ingasetshenziswa nge-soft media kanye nesivinini esincishisiwe sokuwa.Umshini wokuhlanza ngomshini we-XCJ-G600Icubungula izingxenye ze-silicone ngaphakathi kobubanzi bayo obungu-3 mm kuya ku-100 mm uma ilungiswa ngamapharamitha afanele, yize amabhetshi okuhlola enconywa ukuqinisekisa ikhwalithi yendawo ngaphambi kokukhiqizwa okugcwele.

Ukuhlanza Nokomisa Izingxenye Ze-Silicone Zokuhlanganiswa Kwe-elekthronikhi

Izingxenye ze-elekthronikhi ze-silicone zidinga ukuhlanzwa ngemva kokubumba nokukhuculula ukuze kususwe izinto ezikhipha isikhunta, uthuli olusele lwe-flash, kanye nokuphatha izinto ezingcolisayo. Izinto ezikhipha isikhunta zingaphazamisa ukubopha okunamathelayo ngesikhathi sokuhlanganiswa kwe-elekthronikhi, kanti ukungcola kwezinhlayiya eziqhubayo kungabangela ama-short circuits kumadivayisi ahlanganisiwe.umshini wokuhlanza nowomisa irabhaiklanyelwe ngqo irabha ye-silicone, ihadiwe, ipulasitiki, kanye nezindawo zokuvala zikagesi, kusetshenziswa amaqembu amathathu ezinqubo zokuhlanza ezinezigaba eziyisithupha ezingahlanganiswa ngokukhululeka ukuze kutholakale amazinga ahlukene okungcola.

Ngezinhlelo zokusebenza ze-elekthronikhi ezidinga ukuhambisana negumbi lokuhlanza, inqubo yokuhlanza kufanele isebenzise amanzi angenawo ama-ion kanye nama-surfactants angewona ama-ionic alandelwe ukomisa okuhlungiwe yi-HEPA ukuvimbela ukungcoliswa. Izigaba eziyisithupha zokuhlanza zomshini zivumela imijikelezo yokuhlanza elandelanayo, yokuhlanza, kanye neyokomisa engahlelwa ukuze kwenziwe ama-silicone athile.I-IPC-1601izindinganiso zokuphatha izinhlangano ze-elekthronikhi, ukuqinisekiswa kokuhlanzeka kufanele kufake phakathi ukuhlolwa okubonakalayo ngokukhulisa okungu-10 kanye nokuhlolwa kokungcola kwe-ionic kwezingxenye ezingena ezinhlanganweni ze-elekthronikhi ezinokwethenjelwa okuphezulu.

Ukulawulwa Kwekhwalithi Ekucutshungulweni Kwenjoloba Ye-Silicone Yezinto Ze-elekthronikhi

Amapharamitha ekhwalithi asekelwe ezicacisweni ezijwayelekile zezingxenye zerabha ye-silicone emikhiqizweni kagesi yabathengi neyezimboni. Izidingo ezithile ziyahlukahluka ngokwe-OEM.

Ukuhlolwa kobukhulu bezingxenye ze-silicone electronic kufanele kubhekele i-coefficient yokwanda kokushisa kwezinto, okuphakeme cishe ngokuphindwe ka-3-4 kune-NBR noma i-EPDM. Izingxenye ezilinganiswa ku-25°C zingase zibe zinkulu ngo-0.15% kunezinga lokushisa elijwayelekile elingu-23°C elichazwe ku-ISO 3601 lokulinganisa ubukhulu be-O-ring. Izindawo zokuhlola ezilawulwa izinga lokushisa ziyanconywa ukuze kutholakale izingxenye ze-silicone electronic ezinembile.

Isiphetho: Ukucubungula Okuhlanganisiwe Kwerabha Ye-Silicone Yebanga Le-Electronics

Ukucubungula irabha ye-silicone embonini ye-elekthronikhi kudinga ukunemba kuzo zonke izigaba — kusukela ekusikeni nasekukhipheni imfucuza kuya ekuhlanzeni nasekuqinisekisweni kwekhwalithi. Amandla aphansi okudabuka kanye nokuzwela okuphezulu kokushisa kwamapharamitha emishini yokufunwa kwe-silicone ahlukile kulawo asetshenziselwa ama-compound e-NBR, EPDM, noma e-FKM. Imishini yokusika ezenzakalelayo enokulawula kwe-servo motor, i-cryogenic deflashing yezingxenye ze-silicone ezi-thin-flash, kanye nezinhlelo zokuhlanza zezigaba eziningi zakha umugqa wokucubungula ojwayelekile wezingxenye ze-silicone zezinga le-elekthronikhi.

Abakhiqizi abangena emakethe ye-silicone ye-elekthronikhi kufanele baqinisekise isigaba ngasinye sokucubungula ngamaqoqo okuhlola ngaphambi kokukhiqizwa okugcwele, benaka kakhulu ukukhethwa kwendlela yokususa i-flash ngokusekelwe ekujiyeni kwe-flash kanye nokusebenza kahle kokuhlanza kokususwa kokukhishwa kwesikhunta.