A laid scrim rinotaridzika segridi kana latisi.Inogadzirwa kubva kune inoenderera mberi filament zvigadzirwa (yarns).
Kuti uchengetedze shinda munzvimbo inodiwa-yakona-yakanaka zvakakosha kuti ubatanidze idzi
shinda pamwe chete.Kusiyana nezvigadzirwa zvakarukwa kugadzirisa kwewarp uye weft yarns mukati
crims akaiswa anofanira kuitwa nekemikari bonding.shinda dzeweft dzinongoiswa nechepazasi
Izvi zvinowanikwa kuburikidza nekugadzira nzira.
The akaiswa criminogadzirwa mumatanho matatu ekutanga:
CHECHI 1: Mashizha eshinda yewap anodyiswa kubva pamatanda echikamu kana zvakananga kubva kune creel.
CHECHIPIRI: Chishandiso chakakosha chinotenderera, kana kuti turbine, inoisa shinda dzemuchinjikwa nekumhanya kukuru
kana pakati pewap sheets.Iyo scrim inongoiswa mukati neanonamira sisitimu kuti ive nechokwadi chekugadziriswa kwemuchina- uye shinda yekuyambuka.
CHECHITATU: The scrim inopedzisira yaomeswa, inorapwa nemoto uye nekukuvadzwa pachubhu
Misiyano yeAkaiswa Scrims uye Yakarukwa Scrims:
Zvinotsanangurwa zveLaid Scrims yedu:
| Upamhi: | 500 kusvika 2500 mm | Roll Length: | Kusvika ku50 000 m | Mhando Yeshinda: | Girazi, polyester, kabhoni | ||||||||
| Kuvaka: | Square, tri-directional | Patani | Kubva 0.8 shinda/cm kusvika 3 shinda/cm | Bonding: | PVOH, PVC, Acrylic, customized | ||||||||
Zvakanakira zveLaid Scrims:
Kazhinjivakaisa crimsdzinenge 20 - 40 % dzakatetepa pane dzakarukwa dzakagadzirwa neshinda imwe chete uye dzakafanana.
Zviyero zvakawanda zveEurope zvinoda kuti denga rembavha rive shoma rekuvhara zvinhu pamativi ese escrim.Vakaradzikwa crimskubatsira kugadzira zvigadzirwa zvitete pasina kubvuma kudzikira kwehunyanzvi hwekuita.Zvinogoneka kuchengetedza zvinopfuura 20% zvemidziyo yakadai sePVC kana PO.
Matsotsi chete anobvumidza kugadzirwa kwetambo yakatetepa yakatsetseka mitatu yedenga (1.2 mm) iyo inowanzoshandiswa muCentral Europe.Micheka haigone kushandiswa pamadziro emba akatetepa kupfuura 1.5 mm.
Chimiro che araid crimhaanyanyi kuoneka muchigadzirwa chekupedzisira pane magadzirirwo emidziyo yakarukwa.Izvi zvinoguma nekugadzikana uye kuenzana kwepamusoro kwechigadzirwa chekupedzisira.
Iyo yakatsetseka pamusoro pezvigadzirwa zvekupedzisira zvine ma scrims akaiswa inobvumira kuti weld kana kunama zvidimbu zvezvekupedzisira zvigadzirwa zviri nyore uye zvakasimba kune mumwe nemumwe.
Nzvimbo dzakatsetseka dzinoramba kusvibiswa kwenguva refu uye zvakanyanya kuramba.
Kushandiswa kweglassfibre crimyakasimbisa nonwovens per-mits yakakwirira kumhanya kwemuchina wekugadzira bitu-varume denga mapepa.Nguva nekushanda misodzi iri padenga rebhitumini inochenekera saka inogona kudzivirirwa.
Iwo ma mechanic values ebhitumini padenga masheets ari sub-stantially kuvandudzwa nema crims.
Zvishandiso zvinowanzobvaruka nyore, senge bepa, foil kana mafirimu kubva kumapurasitiki akasiyana, zvinodzivirirwa kubvarura nemazvo nekuisa izvi nemachira.vakaisa crims.
Nepo zvigadzirwa zvakarukwa zvinogona kupihwa loomstate, araid crimachagara akabatwa pamuviri.Nekuda kweichi chokwadi isu tine ruzivo rwakakura maererano nekuti ndeipi binder inogona kunyatsokodzera kune akasiyana maapplication.Kusarudzwa kwekunamatira kwakakodzera kunogona kuwedzera kusungirirwa kweiyoraid crimnechigadzirwa chekupedzisira zvakanyanya.
Icho chokwadi chekuti kumusoro uye kuzasi kunopinda mukativakaisa crimsichagara iri kudivi rimwe chete reshinda shinda inovimbisa kuti shinda dzewarp dzinogara dziri pasi pesimba.Naizvozvo masimba anorema ari muwarp direction anotorwa nekukasira.Nekuda kwechiitiko ichi,vakaisa crimskazhinji kuratidza kuderedzwa kwakasimba kurefu.Kana laminating scrim pakati pezvikamu zviviri zvefirimu kana zvimwe zvinhu, zvishoma zvakanamatira zvichange zvichidikanwa uye kubatanidzwa kwelaminate kuchavandudzwa.Kugadzirwa kwe scrims nguva dzose kunoda kupisa kwekupisa.Izvi zvinotungamira kune preshrinking yepolyester uye dzimwe thermoplastic yarn iyo inovandudza zvakanyanya kunotevera marapirwo anoitwa nemutengi.
Yakajairika zvivakwa zveLaid Scrims:
Single warp
Iyi ndiyo inonyanya kugadzirwa scrim.Rwonzi rwekutanga** pasi peshinda** runoteverwa neshinda yewap iri pamusoro peshinda.Iyi pateni inodzokororwa pahupamhi hwese.Kazhinji kupatsanurwa pakati peshinda kunowanzoitika pahupamhi hwese.Pamharadzano shinda mbiri dzinogara dzichisangana.
* warp = tambo dzese dziri munzira yemuchina
** weft = shinda dzese dzakapinda munzira
Warp kaviri
Irwo shinda dzepamusoro nedzezasi dzinogara dzakaiswa imwe pamusoro peimwe kuitira kuti shinda dzinogara dzakasungwa pakati peshinda yekumusoro neyezasi.Pamharadzano shinda nhatu dzichagara dzichisangana.
Scrim nonwoven laminates
A scrim (kamwe kana kaviri warp) inonamirwa pane isina kuruka (yakagadzirwa kubva mugirazi, polyester kana dzimwe shinda).Zvinogoneka kugadzira laminates ane nonwovens anorema kubva 0.44 kusvika 5.92 oz./sq.yd.
