Kudziwa General Pakupanga Silicone

Mu processing ndi kupanga silika gel osakaniza mankhwala, kuti kufupikitsa mkombero nthawi mmene ndingathere, kwa peroxide silika gel osakaniza, mukhoza kusankha ndi mkulu vulcanization kutentha.Malinga ndi makulidwe osiyanasiyana a khoma la zinthu za silicone, kutentha kwa nkhungu nthawi zambiri kumasankhidwa pakati pa 180 ℃ ndi 230ºC.Komabe, nthawi zambiri pamakhala zovuta zaminga pokonza ndi kupanga zinthu za gel osakaniza.Ndikofunika kumvetsera mfundo zotsatirazi.

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(1) Ngati kutentha kuli kokwera kwambiri, padzakhala ming'alu kuzungulira malo olekanitsa, makamaka pa workpiece yokhala ndi makulidwe akulu.Izi zimayambitsidwa ndi kupsinjika kwakukulu kwamkati komwe kumachitika chifukwa chakukula kwa njira ya vulcanization.Pankhaniyi, kutentha kwa nkhungu kuyenera kuchepetsedwa.Kutentha kwa jekeseni kuyenera kukhazikitsidwa pa 80 ℃ mpaka 100 ℃.Ngati mukupanga zida zokhala ndi nthawi yayitali yochiritsa kapena nthawi yozungulira, kutenthaku kuyenera kuchepetsedwa pang'ono.

(2) Kwa gel osakaniza silika, tikulimbikitsidwa kugwiritsa ntchito kutentha kochepa.Nthawi zambiri, kutentha kwa jekeseni sikudutsa 60 ℃.

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(3) Poyerekeza ndi mphira wachilengedwe, gelisi yolimba ya silica imatha kudzaza nkhungu mwachangu.Komabe, pofuna kupewa ndi kuchepetsa mapangidwe thovu mpweya ndi zonyansa zina, jekeseni liwiro ayenera kuchepetsedwa.Njira yosungira mphamvu iyenera kukhazikitsidwa kwakanthawi kochepa komanso kupanikizika pang'ono.Kugwira mwamphamvu kwambiri kapena motalikirapo kumabweretsa notch yobwerera kuzungulira chipata.

(4) peroxide vulcanization dongosolo la mphira silikoni, nthawi vulcanization ndi lofanana fluorine mphira kapena EPM, ndi platinized silika gel osakaniza, nthawi vulcanization ndi apamwamba ndipo akhoza kuchepetsedwa ndi 70%.

(5) Wotulutsa wokhala ndi gel osakaniza ndi woletsedwa.Kupanda kutero, ngakhale kuipitsidwa pang'ono kwa gel osakaniza kungayambitse kumatira kwa nkhungu.


Nthawi yotumiza: Dec-01-2022