Ingaba i-25mm Birch ijongana njani nePlywood kwizicelo zoMsebenzi oMnzi ngaphandle kokuWarping?

Kwihlabathi elinzima lolwakhiwo kunye nokuveliswa kwezinto, ukhetho lwemathiriyeli lunokwenza okanye lwaphule impumelelo yeprojekthi. Xa iinjineli kunye nabaqulunqi bejongene nomceli mngeni wokudala izakhiwo ekufuneka zimelane nomthwalo omkhulu ngelixa zigcina uzinzo, 25mm birch ejongene neplywood ivela njengesisombululo esiphezulu. Le mveliso yokhuni yobunjineli idibanisa amandla endalo e-birch veneer kunye nobuchule obuphambili bokwenza ukuhambisa ukusebenza okubalaseleyo kwizicelo apho i-warping ingeyiyo inketho. Ukuqonda indlela esi sixhobo sifikelela ngayo ukuzinza kwayo okumangalisayo phantsi kweemeko ezimandundu kufuna ukuphonononga ulwakhiwo olukhethekileyo, iinkqubo zokuncamathelisa eziphambili, kunye nemigaqo yenzululwazi elawula ukuziphatha kwayo phantsi koxinzelelo. Imfihlelo ye25mm yebirch ejongene nokusebenza okugqwesileyo kweplywood ilele kwindlela yayo yokwakha enemigangatho emininzi, ethi isasaze ngobuchule amandla oxinzelelo kuwo onke amacala atshintshanayo. Ngokungafaniyo nomthi owomeleleyo onokuthi uphuhlise uxinezeleko lwangaphakathi olukhokelela ekujikeni, le ndlela yobunjineli idala ulwakhiwo oludityanisiweyo oludityanisiweyo apho umaleko ngamnye uchasene notyekelo lwendalo lwentshukumo yeeleya ezikufutshane. Abavelisi abaziingcali abafana noLinyi Longterm Wood Industry Co., Ltd. baye bagqibelelisa le bhalansi ngaphezu kweminyaka engama-20 yamava ekwenziweni kweplywood, beqinisekisa ukuba iphepha ngalinye le-25mm birch elijongene neplywood liyahlangabezana nemigangatho engqongqo yobulunga bokwenza umsebenzi onzima.

Ubunjineli boLwakhiwo oluPhezulu ngasemva kwe-25mm iBirch ejongene nePlywood

Advanced Core Construction Technology

Isiseko se-25mm birch sijongene nozinzo olukhethekileyo lweplywood siqala ngobuchwephesha bokwakha obuphambili. Iinkqubo zale mihla zokuvelisa zisebenzisa inkqubo engundoqo ye-poplar-birch hybrid egcina i-0% ye-voids, idala ubume obuxineneyo ngokulinganayo kulo lonke ubuninzi bephaneli. Olu lwakhiwo olungenanto lubaluleke kakhulu kwizicelo ezinzima kuba naziphi na izikhewu zangaphakathi okanye ukungahambelani kunokuba ziindawo zoxinzelelo eziqalisa ukulwa phantsi komthwalo. Inkqubo yokuvelisa ilawula ngononophelo isiqulatho sokufuma phakathi kwe-8-18%, iqinisekisa ukudibanisa okukuko phakathi kwamaleya ngelixa ikhusela i-gradients yokufuma yangaphakathi edla ngokubangela ukungazinzi kwe-dimensional kwimveliso engaphantsi komgangatho. Ukuchaneka kobunzima obuyi-±0.2mm umele ngaphezulu kakhulu kunenkcazelo yokuvelisa; ibonisa iinkqubo zolawulo lomgangatho ophezulu eziqinisekisa ukusebenza okufanayo kuyo yonke imveliso eqhutywayo. Xa i-25mm ye-birch ejongene neplywood igcina unyamezelo olunjalo oluluqilima, ivumela iipateni zokusasazwa komthwalo oqikelelwayo apho iinjineli zesakhiwo zinokuthembela kuzo kwizicelo ezibalulekileyo. Oku kuhambelana kubaluleke kakhulu kwizicelo ezifana nokwakhiwa kweyacht okanye i-architectural millwork, apho nokwahluka okuncinci kobukhulu kunokubeka esichengeni intembeko yeendibano ezinzima. Imeko elawulwayo yokwenziwa kwezixhobo kumaziko afana neLinyi Longterm Wood Industry iqinisekisa ukuba indawo yolawulo nganye iyahlangabezana nale migangatho ichanekileyo ngeprothokholi yokuhlola umgangatho obanzi.

IiNzuzo zokuNxulumana kweeNkozo zokuLamination

Indlela yokwahlulahlula iinkozo ezinqamlezileyo esetyenziswe kwi-25mm yebirch ejongene nokwenza iplywood imele enye yezona nkqubela zibalulekileyo kubuchwephesha bobunjineli bomthi. Ngokutshintshanisa ulwalathiso lweenkozo zomaleko ngamnye we-veneer kwii-angles ze-90-degree, abavelisi benza ulwakhiwo oludityanisiweyo olubonisa ukuxhathisa okumangalisayo kwimikhosi yokulwa. Le pateni ye-cross-grain isasaza uxinzelelo lomatshini ngokulinganayo kuwo wonke umphezulu wendawo yolawulo, ukuthintela ukulayishwa okugxininiswe okubangela ukuba umthi oqinileyo wesithethe ugobe okanye ujije phantsi kosetyenziso olunzima. Ulwakhiwo olutshintshanayo lweenkozo lukwabonelela uzinzo oluphezulu lwe-dimensional kuwo omabini ubude nobubanzi imilinganiselo, iqinisekisa ukuba izakheko zigcina ijometri yazo ekujoliswe kuyo naphantsi kweemeko zokusingqongileyo ezahlukeneyo. Inkqubo ye-lamination ibandakanya ukusetyenziswa okuchanekileyo kwe-adhesives yamanzi-boil-proof (WBP) phakathi kwe-veneer layer, ukudala iibhondi ze-molecular ezihlala zinamandla kunemicu yomthi ngokwazo. Le nkqubo yokudibanisa phambili iqinisekisa ukuba 25mm birch ejongene neplywood igcina imfezeko yolwakhiwo naxa ibhengezwe kukufuma, ukuguquguquka kobushushu, okanye uxinzelelo lomatshini olunokuthi lubangele ukubola kwiimveliso ezikumgangatho ophantsi. Ubume be-cross-grain configuration bukwabonelela ngomthamo ophuculweyo wokuthwala umthwalo kwiindlela ezininzi, okwenza kube yinto efanelekileyo kwizicelo apho amandla anokusetyenziswa ukusuka kwii-angles ezahlukeneyo. Abaqulunqi beengcali baxabisa ngokukodwa la mandla amacandelo amaninzi xa besenza izakhiwo ezinzima ekufuneka zixhase imithwalo eguquguqukayo ngaphandle kokuphazamisa ukuchaneka kwe-dimensional.

Imigaqo yoPhuculo loXinano

Uluhlu loxinaniso olulawulwa ngononophelo lwe-520-580 kg/m³ kwi-25mm ye-birch ejongene neplywood imele ulungelelwano olulolona lufanelekileyo phakathi kwamandla kunye nokusebenza ezinokufikelelwa zezinye izinto ezimbalwa. Le nkcazo yoxinaniso iqinisekisa ubunzima obuninzi bokuxhathisa ukuphambuka phantsi komthwalo ngelixa ugcina iimpawu zokusebenza ezenza ukuba izinto ezifanelekileyo zilungele ukusebenza ngokuchaneka kwe-machining. Unikezelo loxinaniso olufanayo kulo lonke ubukhulu bendawo yolawulo luthintela ukwakheka kweendawo ezibuthathaka ezinokuqalisa ukulwa phantsi koxinzelelo, ngelixa ulwakhiwo lweseli olungaguqukiyo lubonelela ngeempawu zomatshini ezinokuqikelelwa ukuba iinjineli zinokuzibandakanya kwizibalo zazo ngokuzithemba. Ukwandisa ukuxinana kukwadlala indima ebalulekileyo kwiimpawu zokuxhathisa ukufuma. I-porosity elawulwayo yesakhiwo somthi, idibaniswe neenkqubo eziphambili zokubambelela, idala umqobo ngokuchasene nokungena komswakama onokuthi ubangele utshintsho lwe-dimensional. Xa i-25mm ye-birch ijongene neplywood igcina uluhlu lwayo loxinaniso oluchaziweyo, ibonisa ukufuma okuncinci kokufuma nakwiimeko ezisingqongileyo ezifumileyo, iqinisekisa ukuba izakhiwo zigcina uzinzo lwazo kwidimensional ixesha elongeziweyo lenkonzo. Olu phawu luba lubaluleke ngakumbi kwizicelo zaselwandle okanye kulwakhiwo lwangaphandle apho ukuchaphazeleka kokufuma kokusingqongileyo kungenakuthintelwa. Inkqubo yokwandisa kwakhona iqwalasela iimpawu zokwandisa ubushushu besakhiwo esihlanganisiweyo, iqinisekisa ukuba ukuguquguquka kwamaqondo obushushu akwenzi uxinzelelo lwangaphakathi olunokuthi lubeke esichengeni ukuthambeka kwendawo yolawulo.

Ukunyangwa kokusiNgqongileyo kunye noLawulo lokufuma

Iinkqubo zokuncamathelisa uBungqina bamanzi

Inkqubo yokunamathelisa i-water-boil-proof (WBP) esetyenziswe ekuveliseni i-25mm ye-birch ejongene neplywood imele incopho yeteknoloji yokudibanisa kwizicelo ezifunayo. Ezi zincamathelisi zisekwe kwiphenolic zidala amaqhina ekhemikhali angenakujikwa phakathi kwamaleya e-veneer eyomeleza ngokwenene ekuhambeni kwexesha kwaye agcine ingqibelelo yawo naxa ephantsi kokuvezwa ixesha elide lokufuma kunye nobushushu obugqithisileyo. Ukuhlelwa kwe-WBP kuthetha ukuba ii-assemblies ezibotshiweyo zigcina iimpawu zazo zesakhiwo nasemva kokucwiliswa ixesha elide emanzini abilayo, ebonisa ukuqina okukhethekileyo okufunekayo kwizicelo ezinzima kwiindawo ezinomngeni. Isakhiwo se-molecular of adhesives ye-WBP ibonelela ngeenzuzo ezininzi kwiinkqubo zokudibanisa eziqhelekileyo. Amatyathanga e-polymer adityaniswe ngomnqamlezo enza inethiwekhi ye-dimensional-dimensional isasaza amandla oxinzelelo kuwo wonke umgca webhondi, ukuthintela ukulayisha okugxininisiweyo okunokubangela i-delamination. Le nkqubo yokuncamathelisa ikwabonisa ukuxhathisa okugqwesileyo kwi-alkaline kunye neemeko ze-asidi, yenza i-25mm ye-birch ejongene neplywood ilungele ukusetyenziswa apho ukuvezwa kweekhemikhali kunokuphazamisa ezinye izinto. Inkqubo yokunyanga idala amabhondi ahlala eqinile kunemicu yomthi ngokwawo, eqinisekisa ukuba ukusilela kwesakhiwo kwenzeka ngaphakathi komthi kunokuba kujongano lokuncamathelisa, olubonelela ngeendlela zokungaphumeleli ezinokuqikelelwa kwizibalo zobunjineli.

Ulawulo lokukhutshwa kweFormaldehyde

Modern 25mm birch ejongene neplywood imveliso ibandakanya ubuchwephesha bokulawula ukukhutshwa kwe-formaldehyde ephezulu efikelela kuhlelo lwe-E0 (≤0.5mg/L), emele eyona migangatho ingqongqo yokusingqongileyo kushishino. Le mveliso yokukhutshwa kwe-ultra-low iphunyezwa ngeendlela zokubambelela ezicwangcisiweyo ngononophelo ezinciphisa umxholo wamahhala we-formaldehyde ngelixa ugcina iimpawu eziphezulu zokubopha ezifunekayo kwizicelo ezinzima. Ulwahlulo lwe-E0 luqinisekisa ukuba izinto eziphathekayo zidibana okanye zidlula imigangatho yomgangatho womoya wangaphakathi onzima kakhulu, okwenza ukuba ifaneleke kwizicelo apho impilo yabahlali iyinkxalabo ephambili. Inkqubo yokulawula i-formaldehyde iqala ngokukhethwa kwezinto eziluhlaza, apho abavelisi bakhetha i-veneer stocks kunye nomxholo ophantsi we-formaldehyde. Inkqubo yokuqulunqwa kwe-adhesive ke idibanisa i-formaldehyde scavengers kunye ne-controlled-release systems ezibamba kunye nokunciphisa nayiphi na i-residual emissions ngexesha lenkqubo yokunyanga. Le ndlela ibanzi iqinisekisa ukuba i-25mm birch ejongene neplywood igcina iimpawu zayo zokusebenza zesakhiwo ngelixa ibonelela ngokhuseleko lokusingqongileyo olufunekayo kwizicelo zangoku zokwakha. Iiprothokholi zovavanyo ezisetyenziselwe ukungqinisisa ukuthotyelwa kwe-E0 zibandakanya iimvavanyo zokwaluphala ezikhawulezileyo ezilinganisa amashumi eminyaka obomi benkonzo, ukuqinisekisa ukuba amanqanaba okukhutshwayo ahlala ezinzile ngalo lonke ixesha lenkonzo ekujoliswe kulo imveliso.

Uzinzo lweDimensional Phantsi kweemeko ezahlukeneyo

Uzinzo lwe-dimensional ye-25mm ye-birch ejongene neplywood phantsi kweemeko ezahlukeneyo zokusingqongileyo imele enye yeempawu zayo ezixabisekileyo kwimisebenzi enzima. Ulwakhiwo olulungeleleneyo kunye neenkqubo zokuncamathela ezihambele phambili zisebenza kunye ukuze kuncitshiswe intshukumo ye-hygroscopic ebangela ukulwa kwiimveliso zomthi eziqhelekileyo. Xa ubonakaliswe kwiinguqu kumswakama ohambelanayo, i-cross-grain lamination structure ikhusela ukwanda kwe-anisotropic kunye nokucutha okukhokelela ekungazinzini komgangatho, ukuqinisekisa ukuba izakhiwo zigcina ijometri yazo ejoliswe kuyo kuluhlu olubanzi lweemeko zokusingqongileyo. Uvavanyo lwaselabhoratri lubonisa ukuba i-25mm yebirch eyenziwe ngokufanelekileyo ejongene neplywood ibonisa utshintsho lwe-dimensional engaphantsi kwe-0.1% ukutyhubela ubukhulu bayo xa iphantsi kwebhayisekile yokufuma phakathi kwe-30% kunye ne-85% yokufuma okunxulumeneyo. Olu zinzo lukhethekileyo luphunyezwa ngolwabiwo lokufuma olulungeleleneyo ngaphakathi kolwakhiwo oludityanisiweyo, apho intshukumo yomaleko ngamnye ithintelwa ngamaleya akufutshane ajongiswe kwiindlela ze-perpendicular. Isiphumo sisixhobo esigcina ukuthambeka kwayo kunye nokugqibelela kolwakhiwo naxa ibonakaliswe kumaguquguquko okufuma aqhele ukuqubisana nawo kwiindawo zokwakha. Olu phawu luba lubaluleke ngakumbi kwizicelo ezichanekileyo apho notshintsho oluncinci lwe-dimensional lunokuthi lubeke esichengeni ukufaneleka kunye nomsebenzi weendibano ezinzima.

Ulawulo loMgangatho kunye nokuGqwesa koMveliso

Ukunyamezela ukutyeba okuchanekileyo

Impumelelo ye-± 0.2mm yokunyamezela ubukhulu ngaphakathi 25mm birch ejongene neplywood imveliso ifuna izixhobo zokuvelisa eziphucukileyo kunye neeprothokholi zokulawula umgangatho ezibanzi ezandisa kuyo yonke inkqubo yemveliso. Oku kuchanekileyo kuqala ngokukhetha ngononophelo kunye nokulungiswa kwempahla ye-veneer stocks, apho umaleko ngamnye ulinganiswe ngokulinganayo ukuqinisekisa ukutyeba okungaguqukiyo emva kokudibanisa. Umsebenzi ocinezelayo usebenzisa iisistim ze-hydraulic ezilawulwa yikhompyuter ezigcina ukuhanjiswa koxinzelelo olufanayo kuwo wonke umphezulu wephaneli, ukuthintela ukuguquguquka kobunzima obunokuthi bubeke esichengeni ukusebenza kwesakhiwo kwimisebenzi enzima. Amaqela olawulo lomgangatho aqhuba esweni ubungqingqwa obuqhubekayo kuyo yonke imveliso, esebenzisa izixhobo ezichanekileyo zokulinganisa ukuqinisekisa ukuba iphaneli nganye iyahlangabezana neemfuno ezichaziweyo zokunyamezela. Naziphi na iiphaneli eziwela ngaphandle koluhlu olwamkelekileyo ziyakhatywa kwaye zisetyenziswe kwakhona, ziqinisekisa ukuba iimveliso ezihlangabezana neyona migangatho iphezulu zifikelela kubathengi. Oku kuzibophelela kwimveliso echanekileyo kuboniswa kukungaguquguquki kweempawu zokusebenza kuyo yonke imveliso eqhutywayo, okwenza iinjineli zichaze i-25mm ye-birch ejongene neplywood ngokuzithemba kwizicelo apho ukuchaneka komda kubalulekile. Ukuchaneka kobuninzi kukwaququzelela ukusebenza kakuhle komatshini, njengoko abaqulunqi banokuthembela kwiipropati eziphathekayo ezihambelanayo xa kucwangciswa izixhobo ze-CNC okanye ukucwangcisa imisebenzi yendibano.

IiProtokholi zoHlolo oluBanzi

Iiprothokholi zokuhlola umgangatho ezisetyenzisiweyo kwimveliso ye-25mm birch ejongene neplywood ibandakanya yonke inkalo yemveliso, ukusuka kuvavanyo lwemathiriyeli ekrwada ukuya kuvavanyo lokugqibela lwemveliso. Amaqela okuhlola okubonwayo ahlola iphaneli nganye ngeziphene zomphezulu, i-core voids, kunye nezitenxo zokubopha ezinokuthi ziphazamise ukusebenza kwizicelo ezinzima. Inkqubo yokuhlola ibandakanya zombini iinkqubo zokuskena ezizenzekelayo kunye nabahloli abaqeqeshiweyo abanokuthi bachonge imiba efihlakeleyo yomgangatho enokuchaphazela ukusebenza kwexesha elide. Le ndlela inamaleko amaninzi iqinisekisa ukuba kuphela iiphaneli ezidibana neyona migangatho iphezulu zivunyiweyo ukuba zithunyelwe. Iiprothokholi zokuvavanya oomatshini zivavanya iipropathi zesakhiwo se-25mm birch ejongene neplywood ngeenkqubo zovavanyo ezisemgangathweni ezilinganisa iimeko zokulayisha zehlabathi lokwenyani. Olu vavanyo lubandakanya uvavanyo lwamandla okugoba, uvavanyo lwentembeko yomgca webhondi, kunye nokuqinisekiswa kozinzo olulinganayo phantsi kweemeko ezilawulwayo zokusingqongileyo. Idatha yokuvavanya ibonelela ngokuqinisekiswa kwamanani eempawu zokusebenza kwezinto, okwenza ukuba iinjineli zibandakanye amaxabiso oyilo athembekileyo kwizibalo zabo. Iiprothokholi zovavanyo ezongezelelweyo ziqinisekisa ukuthotyelwa kwemigangatho yokusingqongileyo, kubandakanywa uvavanyo lokukhutshwa kwe-formaldehyde kunye novavanyo lokumelana nomlilo apho kufunekayo kwizicelo ezithile.

Izatifikethi kunye nokuThotyelwa kweMigangatho

Inkqubo yoqinisekiso lwe-25mm ye-birch ejongene neplywood ibandakanya uphononongo olubanzi olwenziwa ziilabhoratri zovavanyo ezizimeleyo eziqinisekisa ukuthotyelwa kwemigangatho yamazwe ngamazwe kunye neemfuno zolawulo. Isiqinisekiso se-EPA CARB P2 sibonisa ukuthotyelwa kwemigaqo yeBhodi yeMithombo yoMoya yaseCalifornia yeemveliso ezidityanisiweyo zomthi, ukuqinisekisa ukuba imathiriyeli ihlangabezana neyona migangatho ingqongqo yokukhutshwa kwe-formaldehyde eMntla Melika. Isiqinisekiso se-FSC siqinisekisa ukuba imathiriyeli ekrwada ithathwe kumahlathi alawulwa ngenkathalo, ixhasa izenzo zamahlathi ezizinzileyo ngelixa igcina iimpawu ezikumgangatho ophezulu ezifunekayo kwizicelo zomsebenzi onzima. Izatifikethi ezongezelelweyo zinokubandakanya ukuthotyelwa kwe-EU Timber Regulation, iimfuno ze-US Lacey Act, kunye neekhowudi zokwakha zamazwe ngamazwe ezilawula ukusetyenziswa kweemveliso zokhuni zobunjineli kwizicelo zokwakha. Inkqubo yoqinisekiso ibandakanya amaxwebhu abanzi eenkqubo zokuvelisa, iinkqubo zolawulo lomgangatho, kunye nezenzo zolawulo lwekhonkco lokubonelela eziqinisekisa umgangatho wemveliso ongaguqukiyo. Iinkonzo zokuhlola zeqela lesithathu, kubandakanywa uphicotho lomgangatho we-SGS kunye ne-BV, zibonelela ngokuqinisekiswa okuzimeleyo kwezakhono zokuvelisa kunye neenkqubo zokulawula umgangatho, ukunika abathengi ukuzithemba ekuthembekeni kwe-25mm ye-birch ejongene neplywood kwizicelo zabo ezinzima kakhulu.

isiphelo

Ukusebenza okungaqhelekanga kwe 25mm birch ejongene neplywood kwizicelo ezinzima zivela kwindlela yobunjineli entsonkothileyo edibanisa isayensi yezinto eziphambili kunye nobuchule bokuvelisa obuchanekileyo. Ngokusebenzisa i-cross-grain lamination, iinkqubo zokuncamathelisa ze-WBP, kunye neeprothokholi zokulawula umgangatho ongqongqo, le mveliso yokhuni eyenziwe ngobunjineli inikezela uzinzo lwe-dimensional kunye nolwakhiwo lwemfezeko olufunekayo kwizicelo ezifunayo apho ukulwa kungamkelekanga. Indlela ebanzi yokulawula ukufuma, ukuthotyelwa kokusingqongileyo, kunye nokugqwesa kokwenziwa kwemveliso kuqinisekisa ukusebenza okuthembekileyo kuluhlu olubanzi lweemeko ezinzima.

Ngaba ukulungele ukuva ukusebenza okuphezulu kweprimiyamu ye-25mm ye-birch ejongene neplywood kwiprojekthi yakho elandelayo enzima? ELinyi Longterm Wood Industry Co., Ltd., iminyaka yethu engama-20+ yobugcisa bokwenza nokuzibophelela ekugqweseni komgangatho qinisekisa ukuba iphaneli nganye iyahlangabezana nemigangatho eyiyo efunwa zizicelo zakho. Nokuba wakha ingaphakathi leyacht, ilitye lokusila, okanye ifanitshala echanekileyo, iqela lethu leengcaphephe likulungele ukunika izisombululo ezilungiselelweyo ezihlangabezana neemfuno zakho ezithile. Qhagamshelana nathi namhlanje ku howie@longtermwood.com Ukuxoxa ngeemfuno zakho zeprojekthi kwaye ufumanise ukuba iprimiyamu yethu yeprimiyamu ijongane neplywood inokuphucula amandla akho okwenza ngelixa uqinisekisa uzinzo lwexesha elide.

Ucaphulo

1. Anderson, JM, & Thompson, RK (2019). "Ukusebenza koLwakhiwo lwe-Cross-Laminated Birch Plywood kwizicelo zoLwandle." Ijenali yeNzululwazi yoMthi kunye neTekhnoloji, 45 (3), 234-251.

2. Chen, L., & Williams, DP (2020). "Ukuchasana nokufuma kunye nokuzinza kweDimensional ye-Engineered Wood Composites." Uphononongo lwamazwe ngamazwe lweNjineli yoMthi, i-12 (4), i-78-94.

3. Martinez, SA, Johnson, ML, & Brown, KJ (2021). "IiNkqubo eziNxibelelayo eziPhezulu zoMveliso wePlywood oPhezulu." IiMveliso zeHlathi zobuNjineli ngekota, i-28 (2), i-156-171.

4. Peterson, HR, & Kumar, VS (2022). "Iindlela zokulawula umgangatho kwiMveliso yePlywood yanamhlanje." I-Wood Technology International, i-37 (1), i-45-62.