Chii chinonzi plywood?
Plywood inogona kuiswa mu plywood yakapfava (masson pine, larch, red pine, nezvimwewo) uye hardwood plywood (bass huni, birch, ash, nezvimwewo).
Kubva pamaonero ekudzivirira mvura, plywood inogona kukamurwa muzvikamu zvina:
Kirasi I - Mamiriro ekunze uye inofashaidza inodzivirira mvura plywood (WBP), uchishandisa phenolic resin adhesive.Inokodzera nzvimbo dzekunze dzakadai sendege, ngarava, ngoro, kurongedza, kongiri fomu, hydraulic engineering, nedzimwe nzvimbo dzine mvura inodzivirira uye kusagadzikana kwemamiriro ekunze.
Kirasi II mwando inodzivirira plywood (MR), inokwanisa kunyudzwa kwenguva pfupi yemvura inotonhora, yakakodzera kushandiswa kwemukati pasi pemamiriro akajairwa.Yakagadzirwa nekubatanidza ine yakaderera resin yemukati urea formaldehyde resin kana imwe inonamira ine zvinhu zvakaenzana.Inoshandiswa fenicha, kurongedza, uye general kuvaka Kuvaka chinangwa.
Kirasi III inodzivirira mvura plywood (WR), iyo inogona kunyikwa mumvura inotonhora, inogona kumira kwenguva pfupi yekunyudzwa mumvura inopisa, uye ine antibacterial properties, asi haimirire kuvira.Yakagadzirwa neurea formaldehyde resin kana imwe inonamira ine yakaenzana zvivakwa.Inoshandiswa pakushongedza kwemukati uye kurongedza kwezvingoro, ngarava, fenicha, uye zvivakwa.
Kirasi IV isina kunyorova inodzivirira plywood (INT), inoshandiswa mumba pasi pemamiriro akajairwa, ine imwe simba rekubatanidza.Yakagadzirwa nekubatanidza nebhinzi guruu kana imwe inonamira ine zvinhu zvakaenzana.Inonyanya kushandiswa kurongedza uye zvinangwa zvakajairika.Bhokisi retii rinoda kugadzirwa nebhinzi glue plywood
Iyo plywood inoshandiswa kune kongiri fomu yefirimu yakatarisana neplywood ndeyeKirasi I plywood ine yakakwira mamiriro ekunze uye kudzivirira mvura, uye inonamira ndeye Phenolic resin adhesive inonyanya kugadziriswa kubva poplar, birch, pine, eucalyptus nezvimwe.
1. Firimu rakatarisana nemakungwa plywood chimiro uye zvakatemwa
(1)Chimiro
Iyo plywood yemapuranga inoshandiswa kuita formwork inowanzo umbwa neasinganzwisisike akaturikidzana akadai se5, 7, 9, uye 11, ayo anosungwa uye anoporeswa nekutsikirira.
Type.Mamiriro ekugadzirwa kwezvikamu zviri padhuze ane perpendicular kune mumwe nemumwe, uye kazhinji iyo dhizaini dhizaini yekunze bhodhi repamusoro rinoenderana nekwakareba nzira yeplywood pamusoro.Nokudaro, iyo yakareba nzira yeplywood yose yakasimba, uye pfupi pfupi haina simba.Kuchenjerera kunofanira kubhadharwa paunenge uchiishandisa.
(2) Zvinotsanangurwa
Zvinotsanangurwa uye zviyero zvemufirimu akatarisana neplywood yeformwork
| Ukobvu (mm) | Layer | Upamhi(mm) | Kureba (mm) |
| 12 | Zvinenge 5 | 915 | 1830 |
| 15 |
Zvinenge 7 | 1220 | 1830 |
| 18 | 915 | 2135 | |
| 1220 | 2440 |
2. Firimu rakatarisana neplywood bkuenderera mberi kwekuita uye kutakura kugona
(1) Bonding performance
Iyo inonamira yeplywood inoshandiswa mufirimu yakatarisana ne marine plywood inonyanya phenolic resin.Rudzi urwu rwekunamira rune simba rekubatanidza uye kusamira kwemvura, Kupisa kwakanakisa uye kusadzivirirwa nekuora, nekusagadzikana kwemvura inofashaira uye kusimba.
Bond Strength Index Values yeFirimu Yakatarisana neMarine Plywood
| Miti yakasiyana-siyana | Bond Strength (N/mm2) |
| Birch | ≧1.0 |
| Apitong(Keruring),Pinus massoniana Gwayana, | ≧0.8 |
| Lauan, poplar | ≧0.7 |
Paunenge uchitenga plywood yekongiri formwork, unofanira kutanga watarisa kana iri yeClass I plywood,
Tarisa uone kana batch yeplywood yakashandisa phenolic resin adhesive kana zvimwe zvinonamira zvine zvinhu zvakaenzana.Kana yakayedzwa kana mamiriro akaganhurirwa uye bvunzo yesimba rekubatanidza haigone kuitwa, chidimbu chidiki chinogona kukurumidza uye nekungosiyaniswa nemvura inofashaira.
Shandisa chidimbu chiduku che 20mm square sawn kubva paplywood uye yakabikwa mumvura inopisa kwemaawa maviri.Kushandisa phenolic resin sezvo chidimbu chekuyedza hachizobvisike mushure mekubika, nepo chidimbu chekuyedza chichishandisa pulse formaldehyde resin sezvo chinonamira chinoputika mushure mekubika.
(2) Kutakura kugona
Iyo inotakura mutoro weplywood yemapuranga ine hukama nehupamhi hwayo, static bending simba, uye elastic modulus.
| Miti yakasiyana-siyana | Modulusof Elasticity (N/mm2) | ZVIMWE(N/mm2) |
| Lauan | 3500 | 25 |
| Masson pine, larch | 4000 | 30 |
| Birch | 4500 | 35 |
Yakajairika kukosha kwesimba rekubhenda simba uye elastic modulus yekuvhara plywood (N/mm2)
| Ukobvu (mm) | MOR | Modulus yeElasticity | ||
| Horizontal direction | Yakatwasuka nzira | Horizontal direction | Yakatwasuka nzira | |
| 12 | ≧25.0 | ≧16.0 | ≧8500 | ≧4500 |
| 15 | ≧23.0 | ≧15.0 | ≧7500 | ≧5000 |
| 18 | ≧20.0 | ≧15.0 | ≧6500 | ≧5200 |
| 21 | ≧19.0 | ≧15.0 | ≧6000 | ≧5400 |
Kuvaka cpncrete yekuvhara plywood inogona kukamurwa kuita yakajairwa yekuvhara plywood uye firimu rakatarisana neplywood.
Iyo plain shuttering plywood surface inobatwa ne phenolic resin ine simba rekudzivirira mvura. Kana uchidira zvinhu zvekongiri uchishandisa plain shuttering plywood senge arch mabhiriji, matanda, uye mbiru, chete yakajairwa kuoma uye integers zvinofanira kusangana, uye ipapo grey kushongedzwa kunofanira kuiswa kune pamusoro.Inonyanya kushandiswa muzvivakwa zvehurumende uye zvakajairika zvemaindasitiri.
Firimu yakatarisana neplywood yemugungwa inoumbwa nekuvhara pepa relaminnation pabhodhi rakanaka rekugadzira .Pamusoro pefirimu yakatarisana neplywood inotsvedzerera, inopenya, haina mvura, uye haipisi moto, ine kusimba kwakanyanya (kuramba kwemamiriro ekunze, kusagadzikana kwemarara, kusagadzikana kwemakemikari) uye yakasimba anti fouling kugona.
Sei zvakadarofirimu rakatarisana neplywoodinodhura kwazvo kana ichienzaniswa neyakajairikakuvhara plywoodformwork?
1. Pepa remhangura rakaunzwa kunze iro rakamisikidzwa paplywood rine hunhu hwekutsetseka kwepamusoro, kupfava kwakanaka, uye kudhirowa kuri nyore.Mushure mekuparadzwa, pamusoro pekongiri inotsvedzerera, kudzivirira pendi yechipiri, kuderedza mari, uye kupfupisa nguva yekuvaka.Iyo inoratidzirwa nehuremu huremu, kuchekwa kwakasimba, kuita kwakanaka kwekuvaka, uye nekukurumidza kuvaka.
2. Iyo firimu yakatarisana neplywood ndeyepamusoro-tembiricha uye yakakwirira-inomanikidza composite zvinhu, iyo dense, yakakwirira musimba, uye ine kusimba kwakanaka.Iyo static bending simba rinopfuura kaviri iro rehuni.
3.) Kuramba kwakasimba kwemvura.Munguva yekugadzira, dhizaini ye phenolic resin inoshandiswa kune imwe nhanho yekutsikirira inopisa pasina kubikira glue kwemaawa mashanu, zvichiita kuti zviome kukanganisa mapaneru panguva yekugadzirisa kongiri.
4.) Thermal conductivity iduku zvikuru kupfuura iyo yesimbi molds, iyo inobatsira pakupisa kwepamusoro mukugadzirwa kwezhizha nechando.
5. Mutengo wekutengesa wakakwirira kudarika we general shuttering plywood , uye iyo yose yekudzoka inogona kusvika 12-18 nguva.
6.) Corrosion resistance: haisvibisi nzvimbo yekongiri.
7.) Lightweight: More nyore kushandiswa pakakwirira-kukwira kuvaka uye bhiriji kuvaka.
8.) Kuita kwakanaka kwekuvaka: Kuitwa kwezvipikiri, masaha, uye kuchera zviri nani pane iyo bamboo plywood uye mahwendefa madiki esimbi.Inogona kugadziriswa kuita akasiyana ma templates maererano nezvinodiwa zvekuvaka.
9.) Mamiriro makuru: Mamiriro epamusoro ndeye 2440 * 1220 uye 915 * 1830mm, kuderedza nhamba yezvibatanidza uye kuvandudza kushanda kwekutsigirwa kwefomu.Hapana kurwisa, hapana deformation, hapana kutsemuka.
10.) Yakakwirira-inotakura simba, kunyanya zvakanaka kupfeka kusagadzikana mushure mekurapa kwepamusoro, uye inogona kushandiswazve kakawanda;
11.) Huremu zvinhu, 18mm ukobvu firimu akatarisana plywood, ine chikwata uremu 50kg nyore kutakura, stack uye kushandisa.
Nzira yekutonga sei kunaka kwefirimu yakatarisana neplywood?
Kutanga, tarisa maitiro uye ruvara rwe template.Mamiriro emufirimu akatarisana neplywood anowanzo kugara, akanaka, uye ane rupo.
Pane zvinopesana, iyo firimu yakatarisana neplywood ine hurombo husina kunaka ine kusagadzikana manyorerwo.Paunosangana nefirimu rakatarisana neplywood rine rima pamusoro pemavara uye akakora pendi akaturikidzana, zvinogoneka kuti mugadziri akavhara nemaune kukanganisa kwepamusoro kweplywood.
Chechipiri, shandisa nzira yekutsika kutarisa kana kuoma kwacho kwakaringana.Isu tinokwanisa kusarudzika kusarudza firimu rakatarisana neplywood yemugungwa.Vanhu vanogona kumira pairi votsika pairi.Kana paine ruzha rwakanyanya kujeka, zvinoratidza kuti mhando haina kunaka.Zvadaro, cheka kuita chimiro chemuti wemapuranga uye ongorora kukanganisa kwayo uye buri core.Kana paine zvikanganiso kana nzvimbo huru dzisina chinhu dzepakati, iyo firimu yakatarisana neplywood ichasangana nekuputika, kuputika, uye zvimwe zviitiko.
Chekupedzisira, isu tinogona zvakare kubika iyo yakachekwa yekuvaka formwork muchimiro chemapuranga mitsetse mumvura kuti titarise kana simba rayo rekubatanidza rakakodzera.Isa muenzaniso mumvura inopisa kwemaawa maviri kuti uedze simba rekubatanidza refirimu rakatarisana neplywood.Uku ndiko kutevedzera kana template yekuvaka yakatsemuka mushure me2-3 nguva dzekushandisa.Kana paine zviratidzo zvekutsemuka, zvinoratidza kuti hunhu hwayo hausi hwepamusoro uye mhedzisiro yayo yekudzivirira mvura haina kunaka.Kuvaka firimu rakatarisana neplywood rinogona kunzi ndiro midzi yezvirongwa zvedu zvekuvaka, uye kunaka kwefirimu yakatarisana neplywood yakanyatsoenderana nekubudirira kwezvirongwa zvedu zvekuvaka.
Nguva yekutumira: Sep-07-2023