做激光刀模所用(yong)的膠(jiao)合(he)木(mu)板都有哪些？

膠(jiao)合木(mu)板(ban)是原木(mu)浸水(shui)后通過卷刨切割成按(an)尺寸要求的連續薄(bo)片板(ban)，用機(ji)器降(jiang)低水(shui)分到適當標準(zhun)(zhun)值，再用尿素甲醛膠(jiao)水(shui)以十字交叉(cha)方(fang)式多(duo)層粘結而成的板(ban)材。粘結前的薄(bo)片板(ban)應按(an)標準(zhun)(zhun)分好等級且(qie)進行過預壓處理。

做激光刀模常用的(de)有：國(guo)產楊木(mu)膠(jiao)合(he)板，國(guo)產樺木(mu)膠(jiao)合(he)板，進(jin)口芬蘭膠(jiao)合(he)板等。

膠合木(mu)板(ban)的構成：樺木(mu)、針(zhen)(zhen)葉木(mu)、楊(yang)木(mu)、雜(za)木(mu)，準(zhun)確地(di)說，作(zuo)為激(ji)光(guang)刀模常用(yong)的標(biao)準(zhun)膠合木(mu)板(ban)應(ying)(ying)由樺木(mu)與(yu)針(zhen)(zhen)葉木(mu)組成，而現今市場上的楊(yang)木(mu)板(ban)、雜(za)木(mu)板(ban)、樺面(mian)楊(yang)芯板(ban)、樺面(mian)雜(za)芯板(ban)等板(ban)的適應(ying)(ying)激(ji)光(guang)切割(ge)性與(yu)機械性能(neng)（彈性、應(ying)(ying)力等）均難適應(ying)(ying)作(zuo)為高要(yao)求(qiu)(qiu)包裝產品的激(ji)光(guang)刀模板(ban)的要(yao)求(qiu)(qiu)。

樺木(mu)(mu)板(ban)(ban)的表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)木(mu)(mu)紋(wen)紋(wen)路較(jiao)輕(qing)、較(jiao)美(mei)觀，芬蘭膠合木(mu)(mu)板(ban)(ban)行(xing)業(ye)將它分為(wei)(wei)五(wu)個等級(ji)(ji)(ji)，由高(gao)(gao)(gao)到低依(yi)次是A、B、S、BB、WG，A級(ji)(ji)(ji)為(wei)(wei)可直接上清(qing)漆的高(gao)(gao)(gao)質量(liang)表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)；B級(ji)(ji)(ji)為(wei)(wei)適(shi)用(yong)(yong)(yong)高(gao)(gao)(gao)質量(liang)涂(tu)料(liao)、染色、清(qing)漆的表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)；S級(ji)(ji)(ji)為(wei)(wei)適(shi)用(yong)(yong)(yong)高(gao)(gao)(gao)質量(liang)油(you)漆、覆(fu)膜的表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)；BB級(ji)(ji)(ji)為(wei)(wei)適(shi)用(yong)(yong)(yong)標準內部油(you)漆的表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)；WG級(ji)(ji)(ji)為(wei)(wei)無須要求(qiu)的表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)。針葉木(mu)(mu)薄(bo)片板(ban)(ban)的表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)木(mu)(mu)紋(wen)紋(wen)路較(jiao)重，芬蘭膠合木(mu)(mu)板(ban)(ban)行(xing)業(ye)將它也分為(wei)(wei)五(wu)個等級(ji)(ji)(ji)，由高(gao)(gao)(gao)到低依(yi)次是E、EI、EⅡ、EⅧ、EIV，E級(ji)(ji)(ji)為(wei)(wei)可直接上清(qing)漆的高(gao)(gao)(gao)質量(liang)表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)；EEI級(ji)(ji)(ji)為(wei)(wei)適(shi)用(yong)(yong)(yong)高(gao)(gao)(gao)質量(liang)涂(tu)料(liao)、染色、清(qing)漆的表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)；EE II級(ji)(ji)(ji)為(wei)(wei)適(shi)用(yong)(yong)(yong)普通油(you)漆、對表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)要求(qiu)不高(gao)(gao)(gao)的表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)；EEⅢ級(ji)(ji)(ji)為(wei)(wei)適(shi)用(yong)(yong)(yong)于(yu)對表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)要求(qiu)很低的表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)；EEIV級(ji)(ji)(ji)為(wei)(wei)適(shi)用(yong)(yong)(yong)于(yu)對表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)沒要求(qiu)的表(biao)(biao)(biao)(biao)面(mian)(mian)(mian)(mian)。

以適(shi)合用作高檔激光(guang)刀(dao)模板(ban)的(de)(de)(de)(de)芬(fen)蘭膠(jiao)(jiao)合木(mu)板(ban)為(wei)例，該類(lei)別(bie)芬(fen)蘭板(ban)的(de)(de)(de)(de)基版為(wei)標準(zhun)結構(gou)的(de)(de)(de)(de)樺(hua)木(mu)板(ban)，內用尿(niao)素甲(jia)醛(quan)膠(jiao)(jiao)水以十字交叉方式粘(zhan)結，以經過砂光(guang)處理(li)的(de)(de)(de)(de)S級(ji)和BB級(ji)樺(hua)木(mu)薄板(ban)為(wei)表面(mian)，正反兩面(mian)均施無(wu)色或綠色透明(ming)UV固化(hua)漆，邊緣以透明(ming)丙烯酸(suan)涂料封邊。由(you)于(yu)(yu)芬(fen)蘭板(ban)生產工藝(yi)中(zhong)有去(qu)疤節處理(li)及厚度公差控制嚴(yan)格(ge)特點(dian)，故高檔激光(guang)刀(dao)模多采用，以利于(yu)(yu)刀(dao)線的(de)(de)(de)(de)裝嵌和回彈(dan)膠(jiao)(jiao)彈(dan)力的(de)(de)(de)(de)保證(zheng)。