91自拍视频

91自拍視頻(pin):您(nin)的(de)瀏覽器版本過低(di),為保(bao)證更佳的(de)瀏覽體驗,

以后再說X

91自(zi)拍視頻:歡迎訪問寧波仁(ren)合欣包裝有(you)限公司官(guan)網,歡迎選購及來電咨詢!

全國(guo)服務(wu)熱線

0574-86666930
133 8665 8173

- 常見問答 -

常見(jian)問答

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(jian):2020-04-26 10:10:29

原紙(zhi)(zhi)材料特(te)性的不(bu)(bu)同, 對紙(zhi)(zhi)箱生產線的生產效率和質量的影響, 在日常(chang)工藝中也比較突出(chu)(chu),如瓦楞(leng)(leng)生產線配紙(zhi)(zhi)不(bu)(bu)合理,容易造成(cheng)瓦楞(leng)(leng)紙(zhi)(zhi)板(ban)卷曲(qu)強(qiang)度(du)下降:瓦楞(leng)(leng)層原紙(zhi)(zhi)質量不(bu)(bu)好,則影響紙(zhi)(zhi)箱的抗壓強(qiang)度(du)較硬(ying)、不(bu)(bu)平(ping)整的面紙(zhi)(zhi)、瓦楞(leng)(leng)紙(zhi)(zhi)板(ban)裱貼(tie)后容易出(chu)(chu)現脫(tuo)膠、起泡(pao)等(deng)質量問題,裱貼(tie)消耗將明顯增加。

一般(ban)瓦楞紙(zhi)(zhi)(zhi)(zhi)(zhi)板是(shi)由箱(xiang)板紙(zhi)(zhi)(zhi)(zhi)(zhi)和瓦楞紙(zhi)(zhi)(zhi)(zhi)(zhi)粘合(he)(he)組成的(de)(de), 如果瓦紙(zhi)(zhi)(zhi)(zhi)(zhi)和里紙(zhi)(zhi)(zhi)(zhi)(zhi)之間的(de)(de)含(han)水率懸殊過大,那么,原紙(zhi)(zhi)(zhi)(zhi)(zhi)在吸收粘合(he)(he)劑和加(jia)熱(re)以后,紙(zhi)(zhi)(zhi)(zhi)(zhi)的(de)(de)伸縮變化將(jiang)會有明顯差異,這就容易造成紙(zhi)(zhi)(zhi)(zhi)(zhi)板卷曲(qu), 使(shi)紙(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)的(de)(de)強度下降(jiang)。所以,合(he)(he)理配紙(zhi)(zhi)(zhi)(zhi)(zhi)十(shi)分重(zhong)要,原紙(zhi)(zhi)(zhi)(zhi)(zhi)上機(ji)前應(ying)對含(han)水率進行檢(jian)測,將(jiang)含(han)水率相對比(bi)較接(jie)近的(de)(de)箱(xiang)板紙(zhi)(zhi)(zhi)(zhi)(zhi)和瓦楞紙(zhi)(zhi)(zhi)(zhi)(zhi)進行配套(tao)生產(chan), 以防止和減少(shao)紙(zhi)(zhi)(zhi)(zhi)(zhi)板出現卷曲(qu)。

瓦(wa)楞(leng)層原紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)的(de)(de)質量如何(he),對紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)的(de)(de)整體抗(kang)壓強(qiang)度(du)(du)的(de)(de)影響, 比里紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)、面紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)對紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)抗(kang)壓強(qiang)度(du)(du)的(de)(de)影響更大,所以, 選擇環壓指數高(gao)的(de)(de)瓦(wa)楞(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)或箱(xiang)(xiang)板紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)作(zuo)為瓦(wa)楞(leng)層的(de)(de)用紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi),是生產工(gong)藝(yi)控制值得重視的(de)(de)問題。對長途運輸(shu)、、易(yi)爆商品的(de)(de)外包裝紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang),更好(hao)用高(gao)強(qiang)度(du)(du)瓦(wa)楞(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)或箱(xiang)(xiang)板紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)作(zuo)為瓦(wa)楞(leng)用紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi), 這樣可大大提(ti)高(gao)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)的(de)(de)抗(kang)壓強(qiang)度(du)(du),較(jiao)好(hao)地(di)保護商品。此外, 對預印面紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)裱(biao)貼時, 當(dang)面紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)較(jiao)硬、平整度(du)(du)又不好(hao)時,若安排在手工(gong)操(cao)作(zuo)的(de)(de)貼面機上(shang)進行裱(biao)貼,就容(rong)易(yi)出現起(qi)泡和脫膠質量問題。

根據(ju)以往(wang)生產的(de)實踐(jian)經驗, 將壓(ya)光(guang)的(de)面(mian)(mian)紙安排在自動覆面(mian)(mian)機(ji)上進行裱貼比(bi)較合適, 因(yin)為這種機(ji)器有(you)加壓(ya)裝(zhuang)置有(you)利于保證裱貼的(de)平整和牢固,可(ke)較好地保證紙板的(de)加工(gong)質量。

相關標簽