Yini i-plywood?
I-plywood ingahlukaniswa ibe yi-plywood ethambile (i-masson pine, i-larch, i-red pine, njll) kanye ne-hardwood plywood (i-bass wood, birch, ash, njll).
Ngokombono wokumelana namanzi, i-plywood ingahlukaniswa ngezigaba ezine:
Ikilasi I - I-plywood ekwazi ukumelana nesimo sezulu kanye ne-plywood (i-WBP) ekwazi ukumelana nesimo sezulu, isebenzisa i-phenolic resin adhesive.Ifanele izindawo ezingaphandle ezifana nezindiza, imikhumbi, amakalishi, ukupakisha, ukwakheka kukakhonkolo, ubunjiniyela be-hydraulic, nezinye izindawo ezikwazi ukumelana namanzi kahle kanye nokumelana nesimo sezulu.
I-plywood ye-Class II ekwazi ukumelana nomswakama (MR), ekwazi ukucwiliswa emanzini abandayo isikhathi esifushane, ilungele ukusetshenziswa endlini ngaphansi kwezimo ezijwayelekile.Kwenziwe ngokubopha ngokuqukethwe kwe-resin ephansi i-urea formaldehyde resin noma okunye okunamathelayo okunezici ezifanayo.Isetshenziselwa ifenisha, ukupakisha, kanye nokwakhiwa okujwayelekile Inhloso yokwakha.
I-plywood ye-Class III engavimbeli amanzi (WR), engacwiliswa emanzini abandayo, ingamelana nesikhathi esifushane sokucwiliswa emanzini ashisayo, futhi inezinto ezilwa namagciwane, kodwa ayimelani nokubilisa.Yenziwe nge-urea formaldehyde resin noma enye into enamathelayo enezakhiwo ezifanayo.Isetshenziselwa ukuhlobisa kwangaphakathi kanye nokupakisha amakalishi, imikhumbi, ifenisha, nezakhiwo.
I-plywood ye-Class IV engazweli umswakama (INT), esetshenziswa endlini ngaphansi kwezimo ezijwayelekile, inamandla athile okubopha.Kwenziwe ngokubopha ngeglue kabhontshisi noma enye ingcina enezici ezifanayo.Isetshenziselwa kakhulu ukupakisha kanye nezinjongo ezijwayelekile.Ibhokisi letiye lidinga ukwenziwa nge-plywood yeglue kabhontshisi
I-plywood esetshenziselwa i-plywood ye-concrete formwork ebhekene ne-plywood ingeye-plywood ye-Class I enesimo sezulu esiphezulu nokumelana namanzi, futhi okunamathelayo kuyi-adhesive ye-Phenolic resin icutshungulwa ikakhulukazi kusuka ku-poplar, birch, pine, eucalyptus njll.
1. Ifilimu ibhekane nesakhiwo se-plywood yasolwandle kanye nokucaciswa kwayo
(1)Isakhiwo
I-plywood yokhuni esetshenziselwa ukwakha imvamisa yakhiwa izendlalelo eziyinqaba ezifana no-5, 7, 9, no-11, ezihlanganiswa futhi zelashwe ngokucindezela okushisayo.
Uhlobo.Izikhombisi-ndlela zokuthungwa kwezendlalelo eziseduze zi-perpendicular kwenye, futhi ngokuvamile isiqondiso sokuthungwa sebhodi elingaphezulu kakhulu lihambisana nohlangothi olude lwendawo ye-plywood.Ngakho-ke, isiqondiso eside se-plywood yonke sinamandla, futhi isiqondiso esifushane sibuthakathaka.Kufanele kuqashelwe uma uyisebenzisa.
(2) Imininingwane
Imininingwane nobukhulu be-plywood ebhekene nefilimu yokwenza umsebenzi
| Ubukhulu (mm) | Izendlalelo | Ububanzi(mm) | Ubude (mm) |
| 12 | Okungenani 5 | 915 | 1830 |
| 15 |
Okungenani u-7 | 1220 | 1830 |
| 18 | 915 | 2135 | |
| 1220 | 2440 |
2. Ifilimu ebhekene neplywood bukusebenza okuqhubekayo kanye namandla okuzala
(1) Ukusebenza kwe-Bonding
I-adhesive ye-plywood esetshenziswa kwifilimu ebhekene ne-plywood yasolwandle ikakhulukazi i-phenolic resin.Lolu hlobo lwe-adhesive lunamandla okubopha okuphezulu nokumelana namanzi, ukumelana nokushisa okuphezulu nokugqwala, nokumelana namanzi abilayo okuvelele nokuqina.
I-Bond Strength Index Amanani Efilimu Ebhekene Ne-Marine Plywood
| Izinhlobonhlobo zezihlahla | Amandla Ebhondi (N/mm2) |
| I-Birch | ≧1.0 |
| I-Apitong(Keruring),Pinus massoniana Lamb, | ≧0.8 |
| Lauan, poplar | ≧0.7 |
Lapho uthenga i-plywood ye-formwork kakhonkolo, kufanele uqale uhlole ukuthi ingeye-Class I plywood,
Hlola ukuthi inqwaba ye-plywood isebenzise i-phenolic resin adhesive noma ezinye izinto ezinamathelayo ezinezakhiwo ezifanayo.Uma ihlolwe lapho izimo zinqunyelwe futhi ukuhlolwa kwamandla okubopha akukwazi ukwenziwa, ucezu oluncane lungahlukaniswa ngokushesha futhi kalula luhlukaniswe ngamanzi abilayo.
Sebenzisa ucezu oluncane lwesikwele esingu-20mm esahwe ku-plywood bese ubiliswa emanzini abilayo amahora amabili.Ukusebenzisa i-phenolic resin njengoba ucezu lokuhlola ngeke luqhume ngemva kokupheka, kuyilapho ucezu lokuhlola lisebenzisa i-pulse formaldehyde resin njengoba i-adhesive izophuma ngemva kokupheka.
(2) Ukuthwala umthamo
Umthamo wokuthwala umthwalo weplywood wokhuni uhlobene nokuqina kwayo, amandla okugoba amile, kanye ne-elastic modulus.
| Izinhlobonhlobo zezihlahla | I-Modulusof Elasticity (N/mm2) | INKOSI(N/mm2) |
| Lauan | 3500 | 25 |
| I-Mason pine, i-larch | 4000 | 30 |
| I-Birch | 4500 | 35 |
Amanani ajwayelekile wamandla okugoba amile kanye nemodulus enwebekayo yokuvala i-plywood (N/mm2)
| Ubukhulu (mm) | MOR | I-Modulus ye-Elasticity | ||
| Isiqondiso esivundlile | Isiqondiso esiqondile | Isiqondiso esivundlile | Isiqondiso esiqondile | |
| 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 |
I-plywood yokwakha i-cpncrete yokuvala ingahlukaniswa ibe yi-plywood evamile yokuvala kanye ne-plywood ebhekene nefilimu.
Indawo ye-plywood evalekile iphathwa nge-phenolic resin enokuvimbela amanzi okuqinile. Lapho uthela izinto zikakhonkolo usebenzisa i-plywood evala kalula njengamabhuloho, imishayo, namakholomu, kufanele kuhlangatshezwane nokuqina okujwayelekile kuphela kanye nama-integer, bese kuhlotshiswa ngokumpunga phezulu.Isetshenziswa kakhulu ezakhiweni zezimboni nezijwayelekile.
I-plywood yasolwandle ebhekene nefilimu yenziwa ngokumboza ungqimba lwephepha le-laminnation ebhodini elihle lokwenziwa .Ubuso befilimu obubhekene ne-plywood bushelelezi, bukhanyayo, bungenamanzi, futhi bungenamlilo, bunokuqina okuhle kakhulu (ukumelana nesimo sezulu, ukumelana nokugqwala, ukumelana namakhemikhali) kanye ikhono eliqinile lokulwa nokungcolisa.
Kungani kunjaloifilimu ebhekene ne-plywoodkubiza kakhulu uma kuqhathaniswa nokujwayelekileukuvala i-plywoodformwork?
1. Iphepha le-copper elingenisiwe elenziwe nge-laminated ku-plywood linezici zokushelela okuphezulu, ukucaba okuhle, nokudilizwa kalula.Ngemuva kokudilizwa, ubuso bekhonkrithi bushelelezi, bugwema ukudweba kwesibili, ukunciphisa izindleko, nokunciphisa isikhathi sokwakha.Ibonakala ngesisindo esincane, ukusikeka okuqinile, ukusebenza kahle kokwakhiwa, kanye nesivinini sokwakha esisheshayo.
2. Ifilimu ebhekene ne-plywood iyisisetshenziswa esihlanganisiwe sokushisa okuphezulu nokucindezela okuphezulu, okuminyene, amandla aphezulu, futhi enokuqina okuhle.Amandla okugoba amile angaphezulu kokuphindwe kabili kokhuni.
3.) Ukumelana namanzi okuqinile.Ngesikhathi sokukhiqiza, ungqimba lwe-phenolic resin lusetshenziselwa ungqimba olulodwa lokubunjwa kokucindezela okushisayo ngaphandle kokubilisa iglue amahora angu-5, okwenza kube nzima ukuguqula iphaneli ngesikhathi sokugcinwa kokhonkolo.
4.) I-conductivity yokushisa incane kakhulu kunezibungu zensimbi, okuzuzisa ukushisa okuphezulu ekwakhiweni kwehlobo nobusika.
5. Izinga le-turnover liphakeme kunalelo le-plywood yokuvala i-shuttering evamile, futhi izinga lokushintshwa lilonke lingafinyelela izikhathi ezingu-12-18.
6.) Ukumelana nokugqwala: akungcolisi ukhonkolo.
7.) I-Lightweight: Isetshenziselwa kalula ukwakha indawo ephakeme kanye nokwakhiwa kwebhuloho.
8.) Ukusebenza kahle kokwakhiwa: Ukusebenza kwezipikili, amasaha, nokubhoboza kungcono kunobamboo plywood namapuleti ensimbi amancane.Ingacutshungulwa ibe yizimo ezihlukahlukene zezifanekiso ngokuvumelana nezidingo zokwakha.
9.) Ifomethi enkulu: Ifomethi ephezulu yi-2440 * 1220 kanye ne-915 * 1830mm, inciphisa inani lamalunga futhi ithuthukise ukusebenza kahle kokusekelwa kwe-formwork.Akukho ukulwa, akukho deformation, akukho ukuqhekeka.
10.) Umthamo ophezulu wokuthwala umthwalo, ikakhulukazi ukumelana nokugqokwa okuhle ngemva kokwelashwa kwendawo, futhi ungasetshenziswa kabusha izikhathi eziningi;
11.) Impahla engasindi, ifilimu yogqinsi engu-18mm ibhekane neplywood, eneyunithi yesisindo esingu-50kg okulula ukuyihambisa, isitaki kanye nokusetshenziswa.
Indlela yokwahlulela ikhwalithi ye-plywood ebhekene nefilimu?
Okokuqala, bheka ukuthungwa nombala wesifanekiso.Ukuthungwa kwe-plywood ebhekene nefilimu kuvame ukujwayelekile, kuhle, futhi kuphane.
Ngokuphambene nalokho, ifilimu ebhekene ne-plywood enekhwalithi ephansi ibe nokuthungwa okungahlelekile.Uma uhlangabezana ne-plywood ebhekene nefilimu enemibala engaphezulu emnyama kanye nezendlalelo zikapende eziwugqinsi, kungenzeka ukuthi umkhiqizi amboze ngamabomu ukonakala okungaphezulu kwe-plywood.
Okwesibili, sebenzisa indlela yokunyathela ukuze uhlole ukuthi ukuqina banele yini.Singakhetha ngokungahleliwe ifilimu ebhekene neplywood yasolwandle.Abantu bangama phezu kwayo bayinyathele.Uma kunomsindo oqhekekayo osobala kakhulu, kukhombisa ukuthi ikhwalithi iphansi.Okulandelayo, yinqume ibe yisimo somucu wokhuni bese uhlola amaphutha ayo kanye nengqikithi engenalutho.Uma kukhona amaphutha noma izindawo ezinkulu ezingenalutho ezingenalutho, ifilimu ebhekene ne-plywood izobhekana nokuqhuma, ukuqhekeka, nezinye izenzakalo.
Ekugcineni, singakwazi futhi ukubilisa i-formwork yesakhiwo esakhiwe ngendlela yamapheshana okhuni emanzini ukuze sihlole ukuthi amandla ayo okubopha afanelekile yini.Beka isampula emanzini abilayo amahora amabili ukuze uhlole amandla okubopha ifilimu ebhekene ne-plywood.Lokhu okokulingisa ukuthi isifanekiso sokwakha siqhekekile yini ngemva kwezikhathi ezi-2-3 zokusetshenziswa.Uma kunezimpawu zokuqhekeka, kubonisa ukuthi izinga layo aliphakeme futhi umphumela walo wokungangeni kwamanzi umpofu.Ifilimu yokwakha i-plywood ebhekene ne-plywood kungashiwo ukuthi iyisisekelo samaphrojekthi ethu wokwakha, futhi ikhwalithi ye-plywood ebhekene nefilimu ihlobene eduze nokusebenza kwemiklamo yethu yokwakha.
Isikhathi sokuthumela: Sep-07-2023