nkhani

Fiberglass ndi ntchito yabwino kwambiri ya zinthu zopanda chitsulo, ubwino wake ndi kutchinjiriza bwino, kukana kutentha, kukana dzimbiri, mphamvu yamakina, koma vuto lake ndi lofooka, kukana kukalamba ndi lofooka. Ndi galasi kapena galasi lotayirira ngati zipangizo zopangira zinthu zomwe zimasungunuka kutentha kwambiri, kukoka, kupotoza, kulukana ndi njira zina mu monofilament yake ya mainchesi angapo mpaka mainchesi oposa 20, yofanana ndi tsitsi la 1/20-1/5, mtolo uliwonse wa ulusi ndi mazana kapena zikwi za monofilaments zopangidwa ndi silika wosaphika.Galasi la Fiberglassnthawi zambiri amagwiritsidwa ntchito ngati zinthu zolimbitsa zinthu zopangidwa ndi zinthu zosiyanasiyana, zinthu zamagetsi zotetezera kutentha ndi zinthu zotetezera kutentha, mabwalo ozungulira ndi madera ena a chuma cha dziko.
1, Kapangidwe ka fiberglass
Malo osungunuka 680 ℃
Malo otentha 1000 ℃
Kuchulukana 2.4-2.7g/cm³

2, kapangidwe ka mankhwala
Zigawo zazikulu ndi silika, alumina, calcium oxide, boron oxide, magnesium oxide, sodium oxide, etc., malinga ndi kuchuluka kwa alkali mu galasi, zitha kugawidwa m'magulu awiri: ulusi wagalasi wopanda alkali (sodium oxide 0% mpaka 2%, ndi galasi la aluminiyamu borosilicate), fiberglass yapakati ya alkali (sodium oxide 8% mpaka 12%, ndi galasi la boron-containing kapena boron-free soda-lime silicate) ndi fiberglass ya alkali yapamwamba (sodium oxide 13% kapena kuposerapo, ndi galasi la soda-lime silicate).

3, zipangizo zopangira ndi ntchito zawo
Fiberglass ndi yosiyana ndi ulusi wachilengedwe, kutentha kwambiri, yosayaka, yotsutsana ndi dzimbiri, yoteteza kutentha ndi mawu, yolimba kwambiri, yoteteza magetsi bwino. Koma ndi yolimba, yolimba komanso yolimba. Yogwiritsidwa ntchito popanga mapulasitiki olimbikitsidwa kapena mphira wolimbikitsidwa, fiberglass ili ndi makhalidwe otsatirawa, ndipo imapangitsa kuti fiberglass ikhale yolimba kwambiri kuposa mitundu ina ya ulusi, zomwe zimapangitsa kuti liwiro la chitukuko likhale lokwera kwambiri kuposa makhalidwe ake omwe atchulidwa pansipa:
(1) Mphamvu yolimba kwambiri, kutalika pang'ono (3%).
(2) Kuchuluka kwa kusinthasintha, kulimba bwino.
(3) Kutalikirana mkati mwa malire a kusinthasintha ndi mphamvu yayikulu yokoka, kotero kumayamwa mphamvu yokoka.
(4) Ulusi wosapangidwa ndi zinthu zachilengedwe, wosayaka, komanso wokana mankhwala.
(5) Kumwa madzi pang'ono.
(6) Kukhazikika bwino pa sikelo komanso kukana kutentha.
(7) Kutha kukonzedwa bwino, kungapangidwe kukhala ulusi, mitolo, nsalu, nsalu ndi mitundu ina yosiyanasiyana ya zinthu.
(8) Zinthu zowonekera bwino zimatha kutumiza kuwala.
(9) Kupanga mankhwala ochizira pamwamba omwe ali ndi utomoni wabwino kwatha.
(10) Yotsika mtengo.
(11) Sizosavuta kuwotcha ndipo zimatha kusakanikirana ndi mikanda yooneka ngati galasi pa kutentha kwambiri.
Fiberglass malinga ndi mawonekedwe ndi kutalika, ikhoza kugawidwa mu ulusi wopitilira, ulusi wokhazikika ndi ubweya wagalasi; malinga ndi kapangidwe ka galasi, ikhoza kugawidwa mu non-alkali, yosagwirizana ndi mankhwala, alkali wambiri, alkali, wamphamvu kwambiri, modulus yapamwamba ya elasticity ndi fiberglass yosagwirizana ndi alkali (anti-alkali) ndi zina zotero.

4, zipangizo zazikulu zopangirafiberglass
Pakadali pano, zipangizo zazikulu zopangira fiberglass m'nyumba ndi mchenga wa quartz, alumina ndi chlorite, miyala yamwala, dolomite, boric acid, soda ash, manganese, fluorite ndi zina zotero.

5, njira zopangira
Mwachidule amagawidwa m'magulu awiri: limodzi limapangidwa ndi galasi losungunuka mwachindunji mu ulusi;
Gulu la galasi losungunuka limapangidwa koyamba ndi mipira yagalasi kapena ndodo zokhala ndi mainchesi a 20mm, kenako zimasungunukanso m'njira zosiyanasiyana kuti zitenthe zopangidwa ndi ulusi wopyapyala kwambiri wokhala ndi mainchesi a 3 ~ 80μm.
Kudzera mu mbale ya platinamu alloy, njira yojambulira makina imakoka utali wopanda malire wa ulusi, womwe umadziwika kuti ulusi wopitilira galasi, womwe umadziwikanso kuti ulusi wautali.
Kudzera mu roller kapena mpweya wopangidwa ndi ulusi wosasinthasintha, wotchedwa fiberglass yokhazikika, yomwe imadziwikanso kuti ulusi waufupi.

6, gulu la fiberglass
Fiberglass malinga ndi kapangidwe kake, mtundu wake ndi kagwiritsidwe ntchito kake, imagawidwa m'magawo osiyanasiyana.
Malinga ndi mulingo wokhazikika wa zinthu, ulusi wagalasi wa E-class ndiye wogwiritsidwa ntchito kwambiri, womwe umagwiritsidwa ntchito kwambiri popanga zinthu zotetezera magetsi;
S-class ya ulusi wapadera.
Kupanga magalasi a fiberglass ndi galasi n'kosiyana ndi zinthu zina zagalasi.
Kapangidwe ka fiberglass yogulitsidwa padziko lonse lapansi ndi motere:

(1) Galasi lamagetsi
Galasi lotchedwanso kuti galasi lopanda alkali, ndi galasi la borosilicate. Pakadali pano ndi limodzi mwa magalasi agalasi opangidwa ndi ulusi wagalasi omwe amagwiritsidwa ntchito kwambiri, okhala ndi kutchinjiriza kwabwino kwamagetsi komanso mphamvu zamakanika, omwe amagwiritsidwa ntchito kwambiri popanga kutchinjiriza kwamagetsi pogwiritsa ntchito ulusi wagalasi, amagwiritsidwanso ntchito mochuluka popanga fiberglass ya pulasitiki yolimbikitsidwa ndi fiberglass, vuto lake ndi losavuta kuwonongeka ndi ma inorganic acid, kotero siliyenera kugwiritsidwa ntchito m'malo okhala ndi asidi.

(2) C-galasi
Amadziwikanso kuti galasi lapakati la alkali, lomwe limadziwika ndi kukana mankhwala, makamaka kukana asidi ndi bwino kuposa galasi la alkali, koma mphamvu zamagetsi za mphamvu yamakina yofooka zimakhala zochepa kuposa ulusi wagalasi wa alkali 10% mpaka 20%, nthawi zambiri ulusi wagalasi wapakati wa alkali wakunja umakhala ndi boron dioxide, ndipo ulusi wagalasi wapakati wa alkali waku China suli ndi boron konse. M'maiko akunja, fiberglass yapakati ya alkali imagwiritsidwa ntchito popanga zinthu za fiberglass zosagwira dzimbiri, monga kupanga mphasa yagalasi ya ulusi, ndi zina zotero, zomwe zimagwiritsidwanso ntchito kukulitsa denga la phula, koma m'dziko lathu, fiberglass yapakati ya alkali imatenga gawo lalikulu la kupanga ulusi wagalasi (60%), yomwe imagwiritsidwa ntchito kwambiri mu fiberglass yolimbitsa pulasitiki komanso nsalu zosefera, nsalu zokutira, ndi zina zotero, chifukwa mtengo wake ndi wotsika kuposa mtengo wa ulusi wagalasi wopanda alkali ndipo uli ndi mpikisano wamphamvu.

(3) Fiberglass yamphamvu kwambiri
Yodziwika ndi mphamvu yayikulu komanso modulus yayikulu, ili ndi mphamvu imodzi yokoka ya ulusi wa 2800MPa, yomwe ndi yokwera pafupifupi 25% kuposa mphamvu yokoka ya fiberglass yopanda alkali, komanso modulus yolimba ya 86,000MPa, yomwe ndi yokwera kuposa ulusi wa E-glass. Zinthu za FRP zomwe zimapangidwa nazo zimagwiritsidwa ntchito kwambiri mu zida zankhondo, malo, zida zoteteza zipolopolo ndi masewera. Komabe, chifukwa cha mtengo wokwera, tsopano pankhani ya anthu wamba sizingakwezedwe, kupanga padziko lonse lapansi ndi matani masauzande ochepa chabe kapena kuposerapo.

(4)Fiberglass ya AR
Komanso imadziwika kuti fiberglass yosagonja ndi alkali-resistant, fiberglass yosagonja ndi fiberglass yolimbikitsidwa (simenti) konkire (yotchedwa GRC) nthiti, ndi 100% ulusi wosapangidwa ndi zinthu zachilengedwe, mu simenti yosanyamula katundu ndi njira yabwino kwambiri yosinthira chitsulo ndi asbestos. Fiberglass yosagonja ndi alkali imadziwika ndi kukana kwabwino kwa alkali, imatha kukana kuwonongeka kwa zinthu zambiri za alkali mu simenti, kugwira mwamphamvu, kusinthasintha kwa kusinthasintha, kukana kukhudza, mphamvu yokoka ndi kusinthasintha ndi yayikulu kwambiri, yosayaka, kukana chisanu, kukana kutentha ndi chinyezi kusintha, kukana ming'alu, kukana kutuluka kwa madzi ndikwabwino kwambiri, yokhala ndi kapangidwe kamphamvu, kosavuta kupanga, ndi zina zotero, fiberglass yosagonja ndi alkali ndi mtundu watsopano wazinthu zolimbitsa zomwe zimagwiritsidwa ntchito kwambiri mu simenti yolimbikitsidwa kwambiri (simenti). Zinthu zobiriwira zolimbitsa.

(5） Galasi
Imadziwikanso kuti galasi la alkali wambiri, ndi galasi lodziwika bwino la sodium silicate, chifukwa cha kusagwira bwino ntchito kwa madzi, lomwe siligwiritsidwa ntchito kawirikawiri popanga fiberglass.

(6） Galasi la E-CR
Galasi la E-CR ndi mtundu wa galasi lopanda boron lopanda alkali, lomwe limagwiritsidwa ntchito popanga fiberglass yokhala ndi asidi wabwino komanso kukana madzi. Kukana kwake madzi ndi kokwera nthawi 7-8 kuposa fiberglass yopanda alkali, ndipo kukana kwake asidi kulinso bwino kwambiri kuposa fiberglass yapakati pa alkali, ndipo ndi mtundu watsopano wopangidwira mapaipi apansi panthaka ndi matanki osungiramo zinthu.

(7) Galasi la D
Imadziwikanso kuti galasi lopanda dielectric, imagwiritsidwa ntchito popanga fiberglass yopanda dielectric yokhala ndi mphamvu yabwino ya dielectric.
Kuwonjezera pa zinthu zomwe zili pamwambapa za fiberglass, tsopano palinso chinthu chatsopanofiberglass yopanda alkali, ilibe boron konse, motero imachepetsa kuipitsidwa kwa chilengedwe, koma mphamvu zake zotetezera magetsi ndi mphamvu zake zamakina ndizofanana ndi galasi lachikhalidwe la E.
Palinso kapangidwe ka magalasi awiri a fiberglass, komwe kagwiritsidwa ntchito popanga ubweya wagalasi, ndipo mu fiberglass, zinthu zolimbitsa pulasitiki zolimbikitsidwa ndi fiberglass nazonso zili ndi kuthekera. Kuphatikiza apo, pali ulusi wagalasi wopanda fluorine, womwe umapangidwira zofunikira zachilengedwe komanso fiberglass yabwino yopanda alkali.

7. kuzindikira fiberglass yokhala ndi alkali yambiri
Mayesowa ndi njira yosavuta yoyika ulusi m'madzi otentha ndikuphika kwa maola 6-7, ngati ndi fiberglass yokhala ndi alkali yambiri, madzi otentha akatha kuphika, kupindika ndi kupindika kwa ulusi wonse kumamasuka.

8. Pali mitundu iwiri ya njira zopangira fiberglass
a) Kuumba kawiri - njira yojambulira yopangira mtanda;
b) Kuumba kamodzi kokha - njira yojambulira uvuni wa dziwe.
Njira yojambulira pogwiritsa ntchito mipeni, kusungunuka koyamba kwa zinthu zopangira magalasi pogwiritsa ntchito mipira yagalasi, kenako kusungunuka kwachiwiri kwa mipira yagalasi, kujambulidwa mwachangu pogwiritsa ntchito ulusi wa fiberglass. Njirayi imagwiritsa ntchito mphamvu zambiri, njira yopangira si yokhazikika, ntchito yochepa komanso zovuta zina, makamaka zimachotsedwa ndi opanga ulusi wagalasi akuluakulu.

9. ZachizoloweziGalasi la FiberglassNjira
Njira yojambulira dziwe la chlorite ndi zinthu zina zopangira mu uvuni zimasungunuka kukhala yankho lagalasi, kupatula thovu la mpweya kudzera munjira yopititsidwa ku mbale yotulutsira madzi yokhala ndi mapoko, ndikukoka mwachangu mu ulusi wa fiberglass. Uvuniwo ukhoza kulumikizidwa ndi mapanelo mazana ambiri kudzera m'njira zingapo zopangira nthawi imodzi. Njirayi ndi yosavuta, yosunga mphamvu, yokhazikika, yogwira ntchito bwino komanso yokolola zambiri, kuti ithandize kupanga zinthu zambiri zokha, ndipo yakhala njira yayikulu yopangira zinthu padziko lonse lapansi, ndipo njira yopangira fiberglass inali yoposa 90% ya kupanga padziko lonse lapansi.