海運紙箱爆線問題可通過空氣濕度變化調整紙板下線水分改善
分類:公司動態(tai) 時間:2020-05-06 13:24:00
91自拍視頻:海運紙箱爆(bao)線(xian)(xian)跟紙(zhi)(zhi)(zhi)(zhi)板(ban)(ban)(ban)(ban)水(shui)(shui)分(fen)有直接關系,解決爆(bao)線(xian)(xian)問題(ti)就是解決紙(zhi)(zhi)(zhi)(zhi)板(ban)(ban)(ban)(ban)水(shui)(shui)分(fen)問題(ti),在冬季(ji)空(kong)氣(qi)濕(shi)度(du)為零的(de)時(shi)(shi)候,生產的(de)紙(zhi)(zhi)(zhi)(zhi)板(ban)(ban)(ban)(ban)在空(kong)氣(qi)停留一段時(shi)(shi)間后紙(zhi)(zhi)(zhi)(zhi)板(ban)(ban)(ban)(ban)的(de)水(shui)(shui)分(fen)就會(hui)流失(shi),當紙(zhi)(zhi)(zhi)(zhi)板(ban)(ban)(ban)(ban)水(shui)(shui)分(fen)小(xiao)于(yu)(yu)8% 時(shi)(shi),印(yin)刷(shua)開(kai)槽時(shi)(shi)壓線(xian)(xian)就會(hui)出現爆(bao)線(xian)(xian),跟蹤紙(zhi)(zhi)(zhi)(zhi)板(ban)(ban)(ban)(ban)24 小(xiao)時(shi)(shi)水(shui)(shui)分(fen)變化,當紙(zhi)(zhi)(zhi)(zhi)板(ban)(ban)(ban)(ban)水(shui)(shui)分(fen)小(xiao)于(yu)(yu)8% 時(shi)(shi)就要增加紙(zhi)(zhi)(zhi)(zhi)板(ban)(ban)(ban)(ban)的(de)下線(xian)(xian)水(shui)(shui)分(fen),滿足紙(zhi)(zhi)(zhi)(zhi)板(ban)(ban)(ban)(ban)印(yin)刷(shua)開(kai)槽時(shi)(shi)紙(zhi)(zhi)(zhi)(zhi)板(ban)(ban)(ban)(ban)水(shui)(shui)分(fen)不低于(yu)(yu)8% 的(de)要求,防(fang)止海(hai)運(yun)紙(zhi)(zhi)(zhi)(zhi)箱(xiang)爆(bao)線(xian)(xian)。
紙板(ban)的(de)(de)(de)下線水(shui)(shui)分跟制膠的(de)(de)(de)倍水(shui)(shui)率(lv)有直接關(guan)系,倍水(shui)(shui)率(lv)增(zeng)加時紙板(ban)的(de)(de)(de)下線水(shui)(shui)分就會增(zeng)加,通過淀(dian)粉用量的(de)(de)(de)統(tong)計AB 楞(leng)的(de)(de)(de)淀(dian)粉用量:20 g/m2,原紙水(shui)(shui)分為:8%。五層紙板(ban)配紙:200g×120g×120g×120g×200g=760g。(AB 楞(leng)淀(dian)粉=20g/m2,原紙水(shui)(shui)分=8%,紙板(ban)
重量=760g)
當水(shui)與淀粉為3.2比(bi)1時通(tong)過計算,紙(zhi)板的下(xia)線水(shui)分:14.78%。
當(dang)水(shui)(shui)與淀粉為3.5比1時(shi)通過計算(suan),紙板的下線水(shui)(shui)分(fen):15.3%。
當水比(bi)淀粉為4.0比(bi)1時通(tong)過(guo)計(ji)算,紙(zhi)板的下線水分:16.3%。
根據(ju)空氣濕度的變化,調整制膠中的水與(yu)淀粉的比例,滿足紙(zhi)板的下線水分,達到紙(zhi)板印(yin)刷(shua)前(qian)的紙(zhi)板水分不小于8% 的要求,防(fang)止海運紙(zhi)箱(xiang)爆線。
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