Nazari Na Silicone Rubber Mold Tsari Tsari

Jun 24, 2025

Bar sako

Saboda kyakkyawan juriyar yanayin zafin su{0}, sassauƙa, da maimaitawa, ana amfani da gyare-gyaren roba na silicone sosai a cikin kwafin samfura da ƙananan ƙira a masana'antu kamar su sana'ar hannu, likitanci, da lantarki.

 

Tsarin gyare-gyaren da farko ya ƙunshi matakai huɗu masu mahimmanci: haɗawa, lalatawa, ɓarna, da aiki -.

Na farko, hadawa yana da mahimmanci. Silicone roba yawanci ana yin shi ta hanyar haɗa roba tushe tare da wakili mai warkarwa a cikin takamaiman rabo, yawanci 10: 1 ko 1: 1 ta nauyi. Dole ne hadawa ta zama iri ɗaya don gujewa wargajewa mara daidaituwa. Wasu matakai suna amfani da daki guda biyu--zazzabi (RTV) robar silicone, wanda ke warkarwa ba tare da dumama bayan haɗawa ba kuma ya dace da gyare-gyare cikin sauri.

 

Na biyu, degassing kai tsaye rinjayar mold ingancin. Bayan haɗawa, dole ne a ƙyale robar silicone ya tsaya ko kuma a kwashe shi don cire kumfa mai iska. In ba haka ba, ramukan iska na iya samuwa a cikin ƙirar bayan gyare-gyaren, rage maimaitawa. Vacuum degassing yawanci ana yin shi a -0.09 MPa na mintuna 5-10 har sai an fitar da kumfa mai iska.

 

Vulcanization shine ainihin mataki. Dakin -zazzabi vulcanized roba roba silicone yana warkewa ta dabi'a bayan haɗuwa, yawanci a cikin 'yan sa'o'i zuwa sa'o'i 24, ya danganta da yanayin zafi da adadin kuzari. Don dacewa, zafi mai zafi (misali, yin burodi a digiri 80-150 na mintuna da yawa) na iya rage lokacin warkewa sosai. A lokacin gyare-gyaren, asalin ƙirar (misali, kakin zuma ko resin mold) ana kiyaye shi zuwa faranti, ana zuba robar silicone, kuma an rufe fim don hana ɗankowa.

 

A ƙarshe, aikawa{0} sarrafawa ya haɗa da datsa da ƙarfafawa. Bayan rushewa, ya kamata a datsa gefuna da santsi. Za a iya sake rufa masa ruɓaɓɓen sifofi{3} da robar silicone don ƙarin ƙarfi. A wasu lokuta, ana fesa wakili na saki a saman ƙura don haɓaka fitarwa.

 

Silicone roba gyare-gyaren yana ba da tsari mai sassauƙa, daidaita farashi da daidaito, yana mai da su musamman dacewa don kwafi hadaddun filaye masu lanƙwasa ko samfura masu laushi. Tare da ci gaban kimiyyar kayan aiki, robar silicone mai girma{1} tare da juriya mai zafi da tsagewar hawaye zai ƙara faɗaɗa wuraren aikace-aikacen sa.

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