Kodi mphira wotentha kwambiri-ndi chiyani?

Aug 29, 2025 Siyani uthenga

Njira ya vulcanization ya -kutentha kwambiri kwa rabala ya silikoni nthawi zambiri imagawidwa m'magawo awiri, omwe ndi imodzi-kuvulcanization ndi magawo awiri-kuvulcanization.

  

Mmodzi-kuwonongeka kwa siteji, komwe kumadziwikanso kuti kusetting vulcanization, kumakhala ndi njira yake, kutentha ndi nthawi yomwe imatsimikiziridwa ndi njira yopangira, mtundu wa labala ndi makulidwe a chinthu chovulcanized. Zopangira zowumbidwa nthawi zambiri zimapangidwa pamakina athyathyathya, kutentha kwa vulcanization ndi nthawi za 150 mpaka 180 digiri Celsius ndi mphindi 10 mpaka 30 motsatana. Silicone mphira preforms kuti anadutsa extrusion, calendering, gluing ndi compounding akhoza vulcanized ntchito vulcanizing njira kapena vulcanizing akasinja, ndi nthunzi ndi kutentha mpweya Kutentha kwa vulcanization, ndiko kuti, akamaumba ndi crosslinking ikuchitika padera.

 

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Sekondale vulcanization, yomwe imadziwikanso kuti post-vulcanization, cholinga chake ndi kuchotsa zinthu zosakhazikika kapena zoopsa zomwe zatsala m'chinthucho, kukonza kulumikizana-kulumikizana, komanso kukhazikika komanso kukhazikika kwa raba wovunda. Zopangira mphira wa silicone pambuyo pa-kuwonongeka kwa magawo awiri zimakhala ndi makina abwino kwambiri oponderezedwa, mphamvu za dielectric komanso mawonekedwe okhazikika akuthupi ndi makina. Kachiwiri-kugwedezeka kwa siteji kumachitika mokakamiza kwambiri-pabokosi la kutentha kosasinthasintha pa kutentha kwa madigiri 180 mpaka 200 kwa maola 2 mpaka 8.

  

Silicone mphira pawiri amatha kuumbidwa zinthu zosiyanasiyana (monga mapepala osiyanasiyana labala, gaskets, washers, etc.), extruded zinthu (monga ma hoses osiyanasiyana labala, zingwe mphira, ntchentche mphira, waya waya, etc.), ndi zinthu nsalu mphira (monga kudziona -zomatira zosiyanasiyana nsalu, ndi zina.) kudzipatula pogwiritsa ntchito nsalu, ndi zina zotero.