Menene Laid Scrim? Me yasa Polyester Laid Scrim Mesh ke doke masana'anta mai laushi don bango da bututu
Mai kwangila yana shafa sabon fenti a bangon siminti da ya tsufa. Cikin watanni shida, tsagewar gashin gashi ta bayyana a kan gidajen. Cikin watanni goma sha takwas, sassan gamawa sun fara barewa daga saman. Asalin dalilin ba shine ingancin simintin ko ƙwarewar mai amfani ba - rashin ingantaccen Layer na ƙarfafawa a mahaɗin. Injiniyoyi da masu ƙayyadewa waɗanda ke neman "yadin raga na naɗewa" ko "yadin raga da aka saka" galibi suna ƙoƙarin amsa wata tambaya mafi mahimmanci: "mene ne scrim?" da kuma ko zai iya hana waɗannan gazawar da ke faruwa akai-akai. Wannan labarin ya bayyanaLaid Scrim, ya bayyana yaddaPolyester Laided Scrim ragaYa bambanta da tsarin da aka saka na gargajiya, kuma yana nuna dalilin da ya sa ya zama zaɓi mafi kyau a fasaha don hana wargajewar bango, tsagewa, da saman da ba su daidaita ba. Don aikace-aikacen bututun GRP,Ƙarfafa Polyester Scrim Domin BututuYana bayar da ingantattun ci gaba a cikin daidaiton haɗin gwiwa da ƙarfin fashewa na dogon lokaci. Babban fahimta: wani tsari mai kyau da aka tsara yana sake rarrabawa yana magance damuwa ta raguwa, yana tsayayya da lalacewar alkaline, kuma yana kula da ƙarfafa juriya mai juyawa biyu a duk tsawon rayuwar tsarin.
Babban Fasaha: Injinan Laid Scrim
Tsarin Gine-ginen Kayan Aiki
Laid Scrim(wanda kuma ake kira daRamin da aka Laid Scrim) wani masana'anta ne mai ƙarfi da aka gina ta hanyar sanya zaren da aka yi da zare a layi ɗaya a cikin jirgin sama ɗaya sannan a haɗa su a kowane wurin haɗuwa da thermoset ko manne na latex. Wannan ya bambanta damasana'anta mai saƙa ta raga, inda zare ke haɗe da juna, suna haifar da ƙuraje. A cikin ƙuraje da aka shimfiɗa, zaren suna nan a miƙe. Idan aka yi amfani da nauyin tauri, ƙarfin yana tafiya kai tsaye a kan madaurin kowane zare, yana ƙara ingancin ƙarfin zaren da ke ciki.
Sake rarraba damuwa a cikin Tsarin Bango
Idan wani harsashi mai siffar siminti ko wanda aka gyara da polymer ya warke, yana fuskantar raguwar girma - yawanci tsakanin 0.03% zuwa 0.08% ta hanyar girman layi. A kan wani abu mara tsari ko mai rami, wannan raguwar yana haifar da yawan damuwa mai ƙarfi a ƙananan lahani, ramuka, da gefuna. Ba tare da ƙarfafawa ba, waɗannan kololuwar damuwa suna fara ƙananan fasa waɗanda ke yaduwa zuwa saman, suna haifar da fashewar taswirar da kuma daga ƙarshebarewar bangoAn gani a cikin tsarin da ba a ƙarfafa ba. An sakaRamin da aka Laid ScrimYana katse waɗannan ƙarfin taurin kai kuma yana rarraba su a duk faɗin layin grid. Kowace hanyar haɗin da aka haɗa tana aiki azaman hanyar canja wurin kaya. Tsarin buɗewa - yawanci 60% zuwa 75% yanki a buɗe - yana bawa kayan rufin tushe damar shiga gaba ɗaya ta cikin raga, yana ƙirƙirar sashin haɗakar monolithic maimakon Layer mai sauƙi na saman.
A Polyester Laided Scrim ragaYana amfani da zaren polyester mai filament mai yawa, yawanci tare da ƙididdige raga daga zare 4 × 4 zuwa 12 × 12 a kowace inci da nauyin yanki daga gram 30 zuwa 80 a kowace murabba'in mita. An zaɓi wakilin haɗakar don dacewa da sinadarai tare da tsarin rufewa da aka yi niyya - ko simintin siminti, rufin epoxy, ko resin polyester.
Aiki a cikin GRP Pipe
DominPolyester Scrim Domin Grp BututukumaƘarfafa Polyester Scrim Domin Bututu, shimfidar scrim yana da amfani biyu. A lokacin gina laminate, yana aiki azaman mai raba kauri mai sarrafawa, yana hana yankuna masu wadataccen resin da kuma tabbatar da daidaiton rabon fiber-da-resin a kusa da geometry masu rikitarwa kamar gwiwar hannu, tees, da wuyan flange. A cikin aiki, yana ba da gudummawa ga ƙarfafawa da ƙarfafa tensile na kewaye da axial a wuraren haɗin gwiwa inda matsin lamba na inji da zafi suka fi yawa.
Dangane da gwajin matsin lamba na hydrostatic da aka yi bayan hanyar ISO 14692, haɗin bututun GRP mai diamita 150 mm wanda ya haɗa da Layer ɗaya na 65 g/m² polyester da aka shimfiɗa scrim yana nuna matsin lamba mafi girma daga 15% zuwa 22% idan aka kwatanta da haɗin gwiwa iri ɗaya da aka ƙarfafa shi kawai tare da tabarmar zare da aka yanke mai kauri daidai gwargwado.
Maɓallin alamar aiki mai mahimmanci:A cikin gwaje-gwajen tsufa na alkaline na yau da kullun da ke kwaikwayon maganin ramin siminti (pH ≈ 12.5, 23°C, kwanaki 28), scrim ɗin da aka shimfiɗa polyester mai girman da ya dace yana riƙe da ≥ 80% na ƙarfinsa na asali na warp da weft. A ƙarƙashin yanayi iri ɗaya, ragar fiberglass ta E-glass ta yau da kullun - koda tare da rufin da ke jure wa alkali - yawanci yana raguwa ƙasa da kashi 50% saboda fashewar lalata na filaments na gilashin.
Yanayin Aikace-aikace da Maganin Zurfi
Yanayi na 1: Rushewar saman bango da fashe-fashen ayyukan gyara
A gyaran kasuwanci da gidaje, ba kasafai ake samun substrate ɗin ba. Tsohon siminti na iya samun ramuka daban-daban, danshi daga ɗigon ruwa na baya, ko ƙananan fasawa daga zagayowar zafi. Sanya sabon tsarin fenti kai tsaye a kan irin wannan saman yana haifar da gazawa. Saka waniPolyester Laided Scrim ragaa cikin harsashin tushe yana magance hanyoyi guda uku daban-daban na gazawar:
Yanayi na 2: Haɗin GRP da Ƙarfafa Bututun
A cikin tsarin bututun masana'antu na GRP don maganin ruwa, sarrafa sinadarai, ko mai da iskar gas, wuraren haɗin gwiwa sune wuraren da suka fi damuwa. Kewayawar zafi, ƙaruwar matsin lamba, da lodin injina suna taruwa a haɗin bell-and-spigot, adaftar flange, da naɗewa na gyara.Ƙarfafa Polyester Scrim Domin Bututu;Amfani da lamination a lokacin daukar ciki yana da wadannan halaye:
Rarraba resin iri ɗaya a kusa da lanƙwasa masu rikitarwa, yana hana yankunan da ke da wadataccen resin ko kuma waɗanda ke fama da yunwar resin.
Rage yawan sinadarin micro-void idan aka shafa shi nan da nan bayan an yi amfani da resin catalysis da kuma kafin a yi amfani da shi.
Ƙarin ƙarfafawa ta hanyar zagaye da axial ba tare da ƙara kauri ko nauyi na laminate sosai ba.
| Sigogi | Na'urar Tarho ta Gilashin AR-Glass ta Gargajiya | Polyester Laided Scrim raga |
|---|---|---|
| Riƙe ƙarfin juriya bayan kwana 28 a cikin maganin pH 12.5 a 23°C | Kashi 40–55% (ya danganta da shafi) | ≥ 80% |
| Nauyin yanki na yau da kullun | 145–160 g/m² | 40–70 g/m² |
| Matsakaicin faɗin gadar tsagewa a cikin rufin tushe na 4-6 mm | Kimanin 0.15 mm | Kimanin 0.25–0.35 mm |
| Ƙirƙirar yarn | A halin yanzu (aikin saka) | Babu (ginin da aka shimfida) |
| Ingancin canja wurin kaya | An rage shi ta hanyar kusurwar ƙura | An ƙara shi da zare madaidaiciya |
| Sauƙin shigarwa a cikin sirara riguna | Yana buƙatar jika a hankali don guje wa gurɓatattun iska | Bayanin martaba mai faɗi, sauƙin shigar da cikakken bayani |
Rage yawan damuwa:;Scrim ɗin yana rarraba ƙarfin taurin kai a faɗin yankin bango, yana hana fashewar da aka yi a yankin.
Matsugunin motsi na ƙasa:;Zafin jiki da kuma zagayowar danshi suna sa substrate ɗin ya faɗaɗa ya kuma ƙunƙule. Gilashin scrim ɗin suna da gibin har zuwa 0.3 mm ba tare da yaɗuwa da tsagewa zuwa saman ƙarewa ba.
Hare-haren sinadarai na alkaline:;Rufin tushe na siminti yana riƙe da pH sama da 10 na tsawon lokaci. Zaruruwan polyester suna da juriya ga hydrolysis da harin alkali, ba kamar zaruruwan gilashi waɗanda ke fuskantar lalacewar ƙarfi a cikin wannan yanayi ba.
Tambayoyin da Ake Yawan Yi
Mene ne bambanci tsakanin laced scrim da sakar net yadi?
Laid scrim yana da zare mai lanƙwasa da na saka a layi ɗaya kuma an haɗa su a mahadar hanyoyi, wanda hakan ke haifar da babu wani ƙunci. Yadin da aka saka yana da zare mai lanƙwasa da ƙunci a kowane wurin haɗuwa. Sakamakon da ake so shi ne cewa lanƙwasa yana canja wurin nauyin tensile cikin inganci tare da axis ɗin zare kuma yana kwance a kan substrate, wanda ke inganta fitar da danshi da shigar da siraran tsarin rufewa. Ana iya fifita yadin da aka saka inda ake buƙatar juriya mai zafi sama da 180°C, amma ga tsarin bango na alkaline da bututun GRP na yanayin zafi, polyester lanƙwasa scrim yana ba da kyakkyawan inganci na dogon lokaci.
Za a iya amfani da polyester laid scrim kai tsaye a kan bangon danshi?
Filayen polyester ba sa shan ruwa kuma ba sa ruɓewa ko kumbura. Duk da haka, dole ne a shafa kayan da aka rufe—wanda aka yi wa ado, manne, ko resin—a cikin taga mai jure danshi. Scrim ɗin ba ya rama tsarin shafa da aka yi amfani da shi a waje da ƙayyadadden iyakar danshi na substrate. Ga tsarin siminti, danshi na substrate yawanci ya kamata ya kasance ƙasa da kashi 16% na nauyi.
Ta yaya zan zaɓi madaidaicin nauyin scrim don aikace-aikacena?
Zaɓi mafi sauƙi scrim wanda ya cika buƙatun injin. Don ƙarfafa bango na ciki, 40-55 g/m² ya isa. Tsarin waje da aka fallasa ga iska ko ayyukan girgizar ƙasa yana buƙatar 70-85 g/m². Don naɗe bututun GRP, scrim ɗin ya kamata ya zama 15-25% na jimlar nauyin ƙarfafawa a cikin laminate na ƙarshe. Skirm masu nauyi suna rage daidaito a kan radius mai matsewa.
Shin shimfidar scrim yana shafar aikin wuta na taron?
Tsarin polyester na yau da kullun yana iya ƙonewa kuma yana ba da gudummawa ga nauyin mai idan aka fallasa shi ga harshen wuta. Don haɗakar da aka yi da wuta, tabbatar da cewa cikakken tsarin - substrate, primer, scrim, da topcoat - ya wuce ƙa'idar da ta dace kamar ASTM E84 Class A ko EN 13501-1. Ana samun scrims na polyester marasa harshen wuta waɗanda ba sa halogen waɗanda ke cimma ƙimar Class A idan aka haɗa su da murfin intumescent.
Kammalawa kuma Tuntube Mu
Laid Scrim—musammanPolyester Laided Scrim raga— yana magance manyan abubuwan da ke haifar da barewar bango, tsagewa, da kuma rashin daidaituwar saman ta hanyar samar da wani Layer na ƙarfafawa wanda ba shi da tsari, mai karko, mai nauyin alkali, wanda ke da nauyin sassa biyu. Don bututun GRP,Ƙarfafa Polyester Scrim Domin BututuYana samar da ci gaba mai yawa a cikin matsin lamba na fashewar haɗin gwiwa da aminci na dogon lokaci. Waɗannan fa'idodin suna samun tallafi ta hanyar bayanai masu aunawa - riƙewa da ƙarfi sama da 80% bayan fallasa alkaline, haɗin tsagewa har zuwa 0.35 mm, da ƙaruwar matsin lamba na fashewa na 15-22% - ba ta hanyar da'awar talla ba.
Idan kuna ƙayyade ƙarfafawa don gyaran EIFS, gyaran siminti, ko aikin naɗe bututun GRP, tuntuɓi ƙungiyar injiniyan fasaha tamu. Za mu iya samar da cikakken takardar bayanai game da samfura, jagorar aikace-aikace, da kuma mirgina samfura don kimantawa a wurin. Muna tallafawa faɗin da aka keɓance, yanayin geometry na raga, da fakitin girma da suka dace da takamaiman tsarin rufin ku ko resin. Bari mu taimaka muku zaɓar madaidaicin scrim don aikace-aikacen ku.
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Lokacin Saƙo: Yuli-07-2026