91视频网站

91視頻網站:您的瀏覽器版本過(guo)低(di),為保(bao)證(zheng)更佳的瀏覽體(ti)驗(yan),

以后再說X

91視(shi)頻網站:歡迎(ying)訪(fang)問寧波仁合欣包裝有限公司官網,歡迎(ying)選購及來電咨(zi)詢!

全國服務熱(re)線

0574-86666930
133 8665 8173

- 常見問答 -

常見問(wen)答(da)

首頁>>資訊中心>>常見問答

如何根據原紙的特性合理安排瓦楞紙板加工工藝?

分(fen)類:常見問答 時間:2020-04-26 10:10:29

原紙(zhi)(zhi)材料特性的(de)(de)不同, 對紙(zhi)(zhi)箱生產線的(de)(de)生產效率和質(zhi)量(liang)的(de)(de)影(ying)響, 在日常工(gong)藝中也比(bi)較突出,如瓦(wa)(wa)楞生產線配紙(zhi)(zhi)不合(he)理,容易(yi)(yi)造成瓦(wa)(wa)楞紙(zhi)(zhi)板卷曲強度下(xia)降:瓦(wa)(wa)楞層原紙(zhi)(zhi)質(zhi)量(liang)不好,則(ze)影(ying)響紙(zhi)(zhi)箱的(de)(de)抗壓強度較硬、不平整的(de)(de)面紙(zhi)(zhi)、瓦(wa)(wa)楞紙(zhi)(zhi)板裱(biao)貼后容易(yi)(yi)出現脫(tuo)膠、起泡等質(zhi)量(liang)問(wen)題,裱(biao)貼消耗將明顯(xian)增加。

一般瓦楞(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi)板是由箱板紙(zhi)(zhi)(zhi)(zhi)(zhi)和瓦楞(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi)粘合組成(cheng)的, 如果瓦紙(zhi)(zhi)(zhi)(zhi)(zhi)和里紙(zhi)(zhi)(zhi)(zhi)(zhi)之間的含水率懸(xuan)殊過大(da),那么,原紙(zhi)(zhi)(zhi)(zhi)(zhi)在吸收粘合劑和加熱以(yi)后,紙(zhi)(zhi)(zhi)(zhi)(zhi)的伸縮變化將會有明顯差異(yi),這就容易造(zao)成(cheng)紙(zhi)(zhi)(zhi)(zhi)(zhi)板卷曲, 使紙(zhi)(zhi)(zhi)(zhi)(zhi)箱的強度(du)下降。所(suo)以(yi),合理(li)配(pei)紙(zhi)(zhi)(zhi)(zhi)(zhi)十分(fen)重要(yao),原紙(zhi)(zhi)(zhi)(zhi)(zhi)上機前應對含水率進行(xing)檢測,將含水率相對比較接近(jin)的箱板紙(zhi)(zhi)(zhi)(zhi)(zhi)和瓦楞(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi)進行(xing)配(pei)套生產, 以(yi)防止(zhi)和減少紙(zhi)(zhi)(zhi)(zhi)(zhi)板出現卷曲。

瓦(wa)楞層(ceng)原紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)的(de)(de)質量如何(he),對(dui)(dui)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱的(de)(de)整體抗壓(ya)強度(du)(du)的(de)(de)影響, 比里紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)、面(mian)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)對(dui)(dui)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱抗壓(ya)強度(du)(du)的(de)(de)影響更(geng)(geng)大(da),所以(yi), 選擇環壓(ya)指數高的(de)(de)瓦(wa)楞紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)或箱板紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)作為瓦(wa)楞層(ceng)的(de)(de)用(yong)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi),是生產工藝控(kong)制值得重視的(de)(de)問(wen)題。對(dui)(dui)長(chang)途運輸、、易爆商(shang)品(pin)的(de)(de)外包裝紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱,更(geng)(geng)好用(yong)高強度(du)(du)瓦(wa)楞紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)或箱板紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)作為瓦(wa)楞用(yong)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi), 這樣(yang)可大(da)大(da)提高紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱的(de)(de)抗壓(ya)強度(du)(du),較好地(di)保(bao)護(hu)商(shang)品(pin)。此(ci)外, 對(dui)(dui)預印面(mian)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)裱(biao)貼時, 當面(mian)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)較硬、平整度(du)(du)又不好時,若安排在手工操作的(de)(de)貼面(mian)機(ji)上進行裱(biao)貼,就容(rong)易出現(xian)起泡和脫膠質量問(wen)題。

根據以往生產(chan)的實踐經驗, 將壓(ya)光的面紙(zhi)安排在自(zi)動覆面機上進行裱(biao)貼(tie)比較合適, 因為這種機器(qi)有(you)加(jia)壓(ya)裝(zhuang)置(zhi)有(you)利于(yu)保(bao)(bao)證裱(biao)貼(tie)的平整和牢固,可(ke)較好地(di)保(bao)(bao)證紙(zhi)板的加(jia)工質量。

相(xiang)關標(biao)簽