Kodi Scrim Yoyikidwa Ndi Chiyani? Chifukwa Chiyani Polyester Yoyikidwa Scrim Mesh Imapanga Nsalu Yoluka Yopangidwa ndi Makoma ndi Mapaipi?
Wopanga kontrakitala amaika utoto watsopano pakhoma la konkire yakale. Mkati mwa miyezi isanu ndi umodzi, ming'alu ya tsitsi imaonekera m'malo olumikizirana. Mkati mwa miyezi khumi ndi isanu ndi itatu, zigawo za kumapeto zimayamba kuchotsedwa pa substrate. Chifukwa chachikulu si khalidwe la pulasitala kapena luso la wogwiritsa ntchito—ndi kusakhalapo kwa gawo lolimbitsa bwino lomwe limagwira ntchito bwino pa malo olumikizirana. Mainjiniya ndi akatswiri omwe amafufuza "nsalu yokulunga maukonde" kapena "nsalu yoluka ukonde" nthawi zambiri amayesa kuyankha funso lofunika kwambiri: "ndi chiyani?" komanso ngati lingalepheretse kulephera kumeneku mobwerezabwereza. Nkhaniyi ikufotokozaScrim Yoyikidwa, akufotokoza momwePoliyesitala Anaika Scrim ulusiZimasiyana kapangidwe kake ndi njira zina zoluka zachikhalidwe, ndipo zimasonyeza chifukwa chake ndi chisankho chabwino kwambiri chopewera kusweka kwa makoma, ming'alu, ndi malo osafanana. Pa ntchito za mapaipi a GRP,Kulimbitsa poliyesitala Scrim Pakuti Piping imapereka kusintha koyezeka pa umphumphu wa mafupa ndi mphamvu yophulika kwa nthawi yayitali. Chidziwitso chachikulu: scrim yokonzedwa bwino imagawanso kupsinjika kwa shrinkage, imakana kuwonongeka kwa alkaline, ndipo imasunga mphamvu yolimba ya ma tensile nthawi yonse ya ntchito ya dongosolo.
Zaumisiri Kore: Zimango za Laid Scrim
Kapangidwe ka Zinthu
Scrim Yoyikidwa(amatchedwanso kutiAnaika Scrim mauna) ndi nsalu yolimba yotseguka yopangidwa mwa kuyika ulusi wa warp ndi weft moyandikana wina ndi mnzake mu mzere umodzi ndikuzilumikiza pamalo aliwonse olumikizirana ndi thermoset kapena latex glue. Izi ndizosiyana kwambiri ndinsalu yoluka ya ukonde, kumene ulusi umalumikizana pamwamba ndi pansi pa unzake, zomwe zimapangitsa kuti ulusiwo ukhale wopindika. Mu scrim yoyikidwa, ulusiwo umakhala wowongoka. Pamene katundu womangika ukugwiritsidwa ntchito, mphamvuyo imayenda molunjika motsatira mzere wa ulusi uliwonse, zomwe zimapangitsa kuti mphamvu ya ulusiwo ikhale yogwira ntchito bwino kwambiri.
Kugawidwanso kwa Kupsinjika Maganizo mu Makoma
Pamene simenti kapena polymer-modified base coat yachira, imachepa kwambiri—nthawi zambiri kuyambira 0.03% mpaka 0.08% malinga ndi kukula kwake. Pa substrate yosakhazikika kapena yokhala ndi mabowo, kuchepa kumeneku kumapanga kuchuluka kwa kupsinjika kwapang'onopang'ono pa zolakwika zazing'ono, mabowo, ndi m'mphepete. Popanda kulimbitsa, ma stress peaks awa amayambitsa ming'alu yaying'ono yomwe imafalikira pamwamba, zomwe zimapangitsa kuti mapu awonekere bwino komanso pamapeto pake.kupukuta khoma zimawonedwa m'machitidwe osalimbikitsidwa. ChophatikizidwaAnaika Scrim maunaImaletsa mphamvu zomangirira izi ndikuzigawa m'malo onse a gridi. Malo aliwonse olumikizirana amagwira ntchito ngati node yotumizira katundu. Kapangidwe kotseguka—kawirikawiri 60% mpaka 75% malo otseguka—kumalola kuti zinthu za pansi pa ukonde zilowerere mokwanira kudzera mu ukonde, ndikupanga gawo lopangidwa ndi monolithic m'malo mwa gawo losavuta la pamwamba.
A Poliyesitala Anaika Scrim ulusiImagwiritsa ntchito ulusi wa polyester wopangidwa ndi ulusi wambiri, nthawi zambiri imakhala ndi maukonde kuyambira 4 × 4 mpaka 12 × 12 ulusi pa inchi iliyonse ndi kulemera kwa magalamu 30 mpaka 80 pa mita imodzi. Chogwiriziracho chimasankhidwa kuti chigwirizane ndi makina opangidwa ndi zinthu zomwe akufuna—kaya ndi simenti, epoxy coating, kapena polyester resin.
Ntchito mu GRP Piping
KwaPoliyesitala Scrim Pakuti Mapaipi a GrpndiKulimbitsa poliyesitala Scrim Pakuti Piping, skrim yoyikidwayo imagwira ntchito ziwiri. Pakumanga laminate, imagwira ntchito ngati chogawa makulidwe olamulidwa, kuteteza madera okhala ndi utomoni wambiri ndikuwonetsetsa kuti pali kufanana kwa ulusi ndi resin mozungulira mawonekedwe ovuta monga zigongono, ma tee, ndi makosi a flange. Pogwira ntchito, imathandizira kulimbitsa kozungulira ndi kwa axial pamagawo olumikizirana komwe kupsinjika kwa makina ndi kutentha kumakhala kwakukulu.
Malinga ndi mayeso a hydrostatic pressure potsatira njira ya ISO 14692, cholumikizira cha GRP cha mainchesi 150 mm chokhala ndi gawo limodzi la 65 g/m² cholumikizidwa ndi polyester chimawonetsa kupsinjika kwakukulu kwa 15% mpaka 22% poyerekeza ndi cholumikizira chofanana chomwe chimalimbikitsidwa ndi chingwe chodulidwa cha makulidwe ofanana ndi laminate.
Chizindikiro chachikulu cha magwiridwe antchito:Mu mayeso okhazikika a alkaline okalamba omwe amayesa yankho la simenti (pH ≈ 12.5, 23°C, masiku 28), polyester yoyikidwa bwino imasunga ≥ 80% ya mphamvu yake yoyambirira yopindika ndi weft. Pansi pa mikhalidwe yofanana, ma mesh wamba a fiberglass a E-glass—ngakhale okhala ndi chophimba cholimba cha alkali—nthawi zambiri amatsika pansi pa 50% chifukwa cha kusweka kwa ulusi wagalasi.
Zochitika Zogwiritsira Ntchito ndi Mayankho Ozama
Chitsanzo 1: Kudula Khoma ndi Ming'alu mu Mapulojekiti Okonzanso
Pokonzanso mabizinesi ndi nyumba, pansi pake sipamakhala bwino nthawi zambiri. Konkire yakale ikhoza kukhala ndi ma porosity osiyanasiyana, chinyezi chotsalira chifukwa cha kutuluka kwa madzi m'mbuyomu, kapena ming'alu yaying'ono chifukwa cha kutentha. Kuyika makina atsopano ojambulira kapena utoto mwachindunji pamalo otere kumapangitsa kuti pakhale kulephera. Kuyika konkire mu konkire yakale kungakhale koyenera.Poliyesitala Anaika Scrim ulusiGawo la pansi limafotokoza njira zitatu zosiyana zolephera:
Chitsanzo 2: Kulimbitsa Chitoliro cha GRP ndi Kulimbitsa Chingwe
Mu makina opangira mapaipi a GRP a mafakitale oyeretsera madzi, kukonza mankhwala, kapena mafuta ndi gasi, malo olumikizirana ndi omwe amakhala ovuta kwambiri. Kusinthasintha kwa kutentha, kukwera kwa kuthamanga kwa mpweya, ndi kukweza kwa makina kumakhazikika pa kulumikizana kwa bell-and-spigot, ma adapter a flange, ndi ma wraps okonzanso.Kulimbitsa poliyesitala Scrim Pakuti PipingKugwiritsa ntchito pa lamination kumapereka:
Kufalikira kwa utomoni wofanana mozungulira ma curvature ovuta, zomwe zimaletsa madera okhala ndi utomoni wambiri kapena omwe alibe utomoni wambiri.
Kuchepetsa kuchuluka kwa micro-void mukagwiritsa ntchito nthawi yomweyo mutatha kuyeretsa utomoni komanso musanalowetse utomoni.
Kulimbitsanso kozungulira komanso kozungulira popanda kuwonjezera makulidwe kapena kulemera kwa laminate.
| Chizindikiro | Chitsulo chagalasi cha AR-Glasi chachikhalidwe | Poliyesitala Anaika Scrim ulusi |
|---|---|---|
| Kusunga mphamvu yokoka patatha masiku 28 mu pH 12.5 yankho pa 23°C | 40–55% (kutengera kupaka) | ≥ 80% |
| Kulemera kwanthawi zonse kwa dera | 145–160 g/m² | 40–70 g/m² |
| M'lifupi mwa ming'alu yolumikizira ming'alu mu maziko a 4–6 mm | Pafupifupi 0.15 mm | Pafupifupi 0.25–0.35 mm |
| Chigoba cha ulusi | Zamakono (zomangamanga zoluka) | Palibe (zomangidwa mwadongosolo) |
| Katundu kusamutsa bwino | Kuchepetsedwa ndi ngodya ya crimp | Kukulitsidwa ndi ulusi wowongoka |
| Kukhazikitsa kosavuta mu malaya owonda | Pamafunika kunyowetsa mosamala kuti mupewe matumba a mpweya | Mbiri yabwino, yosavuta kuyikamo |
Kupsinjika kwa thupi chifukwa cha kuchepa kwa mphamvu:Chigobachi chimagawa mphamvu zolimba pakhoma lonse, zomwe zimalepheretsa kuyambitsa ming'alu m'deralo.
Malo osungiramo zinthu pansi pa nthaka:Kusintha kwa kutentha ndi chinyezi kumapangitsa kuti gawo lapansi litukuke ndikuchepa. Ma scrub amalumikiza mipata mpaka 0.3 mm popanda kufalitsa ming'alu pamwamba pake.
Kuukira kwa mankhwala a alkaline:Mafelemu a simenti amakhala ndi pH yoposa 10 kwa nthawi yayitali. Ulusi wa polyester umalimbana ndi hydrolysis ndi alkali, mosiyana ndi ulusi wagalasi womwe umawonongeka mphamvu m'malo awa.
Mafunso Ofunsidwa Kawirikawiri
Kodi kusiyana pakati pa nsalu yoluka ndi ukonde wolukidwa ndi kotani?
Chigoba chopangidwa ndi nsalu chili ndi ulusi wopindika ndi weft womwe umayikidwa motsatizana ndikulumikizidwa pamalo olumikizirana, zomwe zimapangitsa kuti pasakhale chigoba chilichonse. Nsalu yoluka ili ndi ulusi wolumikizana ndi chigoba pamalo aliwonse olumikizirana. Zotsatira zake ndizakuti chigoba chopangidwa ndi nsalu chimasamutsa katundu womangika bwino kwambiri motsatira mzere wa ulusi ndipo chimakhala chosalala motsutsana ndi substrate, zomwe zimapangitsa kuti madzi atuluke komanso kuti chizilowe m'makina opyapyala. Nsalu yoluka ikhoza kukondedwa komwe kumafunika kukana kutentha kwambiri kuposa 180°C, koma pamakina a alkaline makoma ndi mapaipi a GRP otentha, chigoba chopangidwa ndi polyester chimapereka umphumphu wabwino kwambiri kwa nthawi yayitali.
Kodi pulasitiki yoyikidwa pakhoma ingagwiritsidwe ntchito mwachindunji pamakoma onyowa?
Ulusi wa polyester sutenga madzi ndipo sudzawola kapena kutupa. Komabe, zinthu zophimba pamwamba—zokhala ndi utoto, zomatira, kapena utomoni—ziyenera kugwiritsidwa ntchito mkati mwa zenera lake lotha kupirira chinyezi. Chophimbacho sichimalipira dongosolo lophimba lomwe limagwiritsidwa ntchito kunja kwa malire ake a chinyezi. Pa makina osungira simenti, chinyezi cha substrate nthawi zambiri chiyenera kukhala pansi pa 16% polemera.
Kodi ndingasankhe bwanji kulemera koyenera kwa scrim pa ntchito yanga?
Sankhani cholembera chopepuka kwambiri chomwe chikukwaniritsa zofunikira za makina. Pakulimbitsa khoma mkati, 40–55 g/m² ndi yokwanira. Machitidwe akunja omwe ali ndi mphamvu ya mphepo kapena zivomerezi zimafuna 70–85 g/m². Pakukulunga mapaipi a GRP, cholemberacho chiyenera kukhala 15–25% ya kulemera konse kwa cholemberacho mu laminate yomaliza. Zolembera zolemera zimachepetsa kusinthasintha kwa ma radii olimba.
Kodi kuyika scrim kumakhudza magwiridwe antchito a moto a msonkhano?
Chitsulo chokhazikika cha polyester chimayaka ndipo chimawonjezera mafuta ngati chikayikidwa pamoto. Pazinthu zomwe zimayikidwa pamoto, onetsetsani kuti dongosolo lonselo—substrate, primer, scrim, ndi topcoat—ladutsa muyezo woyenera monga ASTM E84 Class A kapena EN 13501-1. Pali ma scrumb a polyester opanda halogen omwe amaletsa moto omwe amakwaniritsa ma rating a Class A akaphatikizidwa ndi zophimba za intumescent.
Pomaliza ndipo Lumikizanani nafe
Scrim Yoyikidwa—makamakaPoliyesitala Anaika Scrim ulusi—Imathetsa mavuto akuluakulu omwe amachititsa kuti makoma ang'ambike, ang'ambike, komanso malo osafanana mwa kupereka gawo lolimbitsa lopanda makwinya, lokhazikika pa alkali, komanso lodzaza mbali zonse ziwiri. Pa mapaipi a GRP,Kulimbitsa poliyesitala Scrim Pakuti Piping imapereka kusintha koyezera pakuthamanga kwa mafupa olumikizana komanso kudalirika kwa nthawi yayitali. Ubwino uwu umathandizidwa ndi deta yoyezera—kusunga mphamvu yolimba pamwamba pa 80% pambuyo poti yakhudzidwa ndi alkaline, kutseka ming'alu mpaka 0.35 mm, ndi kukwera kwa kuthamanga kwa mafupa ndi 15–22%—osati ndi zomwe anthu amanena pa malonda.
Ngati mukufuna kulimbitsa ntchito yokonzanso EIFS, kukonza konkire, kapena pulojekiti yokulunga mapaipi ya GRP, funsani gulu lathu laukadaulo. Tikhoza kupereka deta yatsatanetsatane yazinthu, chitsogozo chogwiritsira ntchito, ndi zitsanzo za mipukutu kuti muwunikenso pamalopo. Timathandizira m'lifupi mwapadera, ma geometries a maukonde, ndi ma phukusi a kukula omwe akugwirizana ndi dongosolo lanu la zokutira kapena utomoni. Tikuthandizeni kusankha scrim yoyenera yogwiritsira ntchito yanu.
Adilesi
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Nthawi yotumizira: Julayi-07-2026