Mapurojekiti mazhinji emapuranga ane runyoro rwezvinhu zvinoshandiswa paplywood.Zvese kubva pazvivakwa kusvika kumakabhati ekicheni kusvika kundege zvinobatsira kubva pakushandisa plywood mune yakazara dhizaini.Plywood inogadzirwa nemashizha makuru kana mavheji, ayo akaturikidzana pamusoro peumwe neumwe, uye imwe neimwe layer inotenderera 90 degrees munzira yehuni tsanga.Aya matinji anosunganidzwa pamwe chete neanonamira uye namo kuti aite hombe uye yakasimba pani.Plywood inopa nzvimbo yakakura yekuvhara pane kushandisa mapuranga mashoma emapuranga.Kune marudzi akawanda eplywood, kunyange kupisa-kupisa uye kusapinda mvura, zvichiwedzera kukurudzira kushandiswa kwavo munzvimbo dzakasiyana-siyana.Mazuva ano, kusarudza chigadzirwa chakanaka kunogona kuve kwakaoma.Iwe unofanirwa kuona siyana, saizi, uye ukobvu hunogona kupedza basa iri.Nekudaro, kana iwe uchishanyira chikamu cheplywood chechitoro chemahara, mubvunzo unokatyamadza waungabvunza ndewekuti, ndeipi yeaya akawanda esarudzo akakodzera purojekiti yangu?
Zvese izvi zvinowira pasi kune scoring system.Haasi mapuranga ose akaenzana.Kureva kuti, zvisikwa hazvidzokorore miti mune chaiyo maumbirwo nguva dzese.Kuvapo kwemagiredhi ehuni kunokonzerwa nekusiyana kwemhando yehuni mumasikirwo.Zvinhu zvakadai semhando yevhu, avhareji yekunaya kwemvura, uye kunyange nharaunda dzenharaunda zvinogona kukanganisa kukura kwemiti.Mhedzisiro yakasiyana yehuni tsanga, saizi yenodule, nodule frequency, etc. Pakupedzisira, kutaridzika uye kuita kwechidimbu chehuni kunosiyana zvichienderana nemuti.Pakutanga kuona, izvi zvinoratidzika zviri nyore kwazvo.Pane zvakanaka nezvakaipa, handiti?Zvisina kukwana.Kune mapurojekiti chaiwo, kunyangwe iyo yakaderera nhanho inogona kuve yakakosha kukosha.Kusiyana neizvi, zvakanakisa kupindura mubvunzo uyu nekuongorora zvirimo zvinopihwa nedanho rega rega uye kuti nderipi rinonyanya kudhura pakushandisa.
Plywood grading system
Heano matanho matanhatu eplywood uye kuti imwe neimwe nhanho inopa sei kukosha kwemapurojekiti ehuni.
Plywood yakakamurwa kuita A giredhi, B giredhi, C giredhi, D giredhi, CDX giredhi, kana BCX giredhi.Kazhinji kutaura, mhando yemabhodhi edunhu inotangira paA yakanakisa kusvika kuD yakaipisisa.Pamusoro pezvo, plywood dzimwe nguva inogona kuuya nemagiredhi maviri, akadai saAB kana BB.Muzviitiko izvi, nhanho imwe neimwe inomiririra imwe yemativi epaneru.Ichi chigadzirwa chinogara chichigadzirwa, sezvo mapurojekiti mazhinji anongoburitsa rimwe divi rebhodhi.Naizvozvo, pachinzvimbo chekushandisa emhando yepamusoro bhodhi rimwe chete kugadzira bhodhi rose, zvakanyanya hupfumi kugadzira mapuranga ese kunze kweiyo yepamusoro kuita zvigadzirwa zvegiredhi rezasi.Panyaya yeCDX neBCX, vanoshandisa akawanda veneer hunhu uye akakosha anonamira.Iyo X mune aya acronym inowanzokanganisika neyekunze giredhi, asi zvinoreva kuti yakakosha inodzivirira hunyoro inonamira inoshandiswa pane yepaneru chimiro.
A-giredhi plywood
Yekutanga uye yepamusoro yepamusoro yepamusoro yeplywood iGiredhi A. Izvi ndezvekusarudzwa kwemhando yebhodhi.A-giredhi plywood yakatsetseka uye yakakwenenzverwa, uye bhodhi rose rine chimiro chezviyo chakanaka.Nzvimbo yese yakakwenenzverwa haina maburi kana maburi, zvichiita kuti giredhi iri rinyatsokodzera kupenda.Painting yemukati fenicha kana makabati akanyatsogadzirwa negiredhi iri.
B-giredhi plywood
Iyo inotevera nhanho iNhanho B, iyi nhanho inomiririra zvakanakisa zvigadzirwa zvehuni muzvisikwa.Pamberi pekugadziridza kana kugadziridzwa kwaitwa mufekitori, mabhodhi mazhinji anowanzo kusvika B-level.Izvi zvinodaro nekuti B-level inobvumira mamwe maumbirwo echisikigo, akakura asina kugadzirwa nodules, uye sporadic magapu.Bvumira mafundo akavharwa ane dhayamita inosvika 1 inch.Kana iwe ukakwanisa kutsvedzerera mapfundo mashoma pabhodhi rose, mapuranga aya achiri akanyatsokodzera kupenda.Iyi nhanho inobvumirawo kutsemuka kudiki uye kudzima kwebhodhi.Zvishandiso zvakawanda zvinoshandisa B-giredhi plywood, kusanganisira makabati, fenicha yekunze, uye fenicha.Kuonekwa kwechisikigo uye kwepakutanga kwegiredhi iri replywood rinopa chirongwa chega chega nesimba rakakwana uye hunhu.
C-giredhi plywood
Nhanho inotevera ibhodhi reC-level.Kirasi C, seKirasi B, inobvumira maburi, pores, uye mapfundo.Bvumira dhayamita kusvika ½ Inches yemanodule akavharwa, uye maburi maburi anosvika 1 inch muhupamhi,Pamabhodhi aya, pane zvakanyanya kushoma mutemo wekutsemura.Micheto uye ndege dzinogona kunge dzisina kutsetseka seB-level.Zvinhu zvekuonekwa zvinogona kukanganiswa nemitemo yakasununguka yeC-grade plywood.Zvishandiso zvinosanganisira kuumbwa kwemaitiro uye sheathing.
D-giredhi plywood
Chikamu chikuru chekupedzisira chinhanho D. Kuonekwa kwehuni yeD-giredhi yakanyanya rustic, ine dhayamita inosvika ½ 2 Inches yemanodhi nemapores, kupatsanurwa kukuru, uye kushanduka kwakanyanya.Chimiro chezviyo chichaitawo kuve chakasununguka.Kunyangwe isiri iyo yakachena kana iri nyore kupenda, iyi giredhi yeplywood haina maturo.Nhamba D ichiri kuda kuti bhodhi rikwanise kumira kushushikana uye mitoro yekushandiswa kwakachengeteka mumapurogiramu emapuranga kana zvivako zvakakura.Zvechokwadi huni husingakoshi hauna kutombokodzera chero giredhi, saka unogona kuva nechivimbo chekuti kunyange yakaderera giredhi yehuni inofanira kusangana nekuita zvinodiwa.Mapurojekiti mazhinji ezvimiro anoshandisa nhanho iyi nekuti huni huchavharwa kunyangwe zvodii.Simba richapa chimiro chakasimba pamutengo wakaderedzwa.
Giredhi BCX plywood
BCX plywood inowanikwawo muchikamu cheplywood.Iyi nhanho inoshandisa C-level layer uye imwechete B-level layer pane imwe nzvimbo.Iyo inonamira inoshandiswa zvakare inodzivirira mwando.Ichi chigadzirwa chinowanzo shandiswa kune zvekunze zvikumbiro izvo zvichiri kuda kutaridzika, kusanganisira kupeta kana pendi.Iri rudzi rweplywood rinoshandiswa kumapurojekiti akadai sedurawall mapaneru, mapaneru emotokari dzekurima, uye fenzi dzekuvanzika.
Iye zvino zvaunonzwisisa marudzi akasiyana eplywood, unogona kusarudza nechivimbo chigadzirwa chakanaka chebasa rako.Kunyangwe iwe uchida akanakisa echisikigo kupedzisa, nyowani pendi yekupotera, kana kungogara, iwe unozoziva kuti nderipi giredhi rakakunakira iwe.
Giredhi CDX plywood
CDX plywood muenzaniso wakajairika wemagiredhi maviri mabhodhi.Sezvinoratidzwa nezita racho, rimwe divi rakagadzirwa neC-grade veneer uye rimwe divi rakagadzirwa neD-grade veneer.Kazhinji, iyo yakasara yemukati layer inogadzirwa neD-grade veneer kuti iite inokwanisika.Kunyorova kusingagadzirisi phenolic adhesives anoshandiswawo kuwedzera kuvandudza mashandiro munzvimbo dzine hunyoro kana nyoro.Iri giredhi ndiyo yakanakisa sarudzo inoda huwandu hukuru hweplywood, uye yakawanda yacho ichavharwa kunyangwe chii.CDX plywood inowanzo shandiswa kumadziro ekunze uye sheaths.Nzvimbo yeC-giredhi inopa nzvimbo yakatsetseka iyo makondirakiti anogona kushandisa kana achiisa zvimwe zvikamu zvechimiro, zvinosanganisira mamiriro ekunze anopikisa masara uye mapaneru emadziro.
Nguva yekutumira: Jun-07-2023