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紙箱原紙品種、標準對紙箱產品質量和價格會造成什么影響?

分類:常(chang)見(jian)問答 時間:2020-04-26 10:00:24

不(bu)(bu)同(tong)結構、不(bu)(bu)同(tong)材(cai)質的紙(zhi)(zhi)箱,其價(jia)格(ge)也(ye)截然不(bu)(bu)同(tong),并(bing)且價(jia)格(ge)與原(yuan)(yuan)(yuan)紙(zhi)(zhi)的品種、質量(liang)等(deng)級關系較大。制(zhi)作紙(zhi)(zhi)箱就(jiu)是要根據紙(zhi)(zhi)箱的使(shi)用特點和(he)運(yun)輸(shu)條件(jian)確定用紙(zhi)(zhi)品種和(he)質量(liang), 這是保(bao)持適度包裝,控制(zhi)生產成(cheng)本所值(zhi)得重視的環節。制(zhi)作紙(zhi)(zhi)箱的原(yuan)(yuan)(yuan)紙(zhi)(zhi)主要包括白紙(zhi)(zhi)板(ban)、瓦楞紙(zhi)(zhi)、茶(cha)板(ban)紙(zhi)(zhi)、普通箱紙(zhi)(zhi)板(ban)和(he)牛皮掛面(mian)箱紙(zhi)(zhi)板(ban)等(deng), 這些原(yuan)(yuan)(yuan)紙(zhi)(zhi)的制(zhi)作工(gong)藝和(he)材(cai)料上的不(bu)(bu)同(tong),標準也(ye)有所差異(yi)。

涂(tu)布(bu)白(bai)(bai)紙(zhi)(zhi)板(ban)有(you)白(bai)(bai)底和灰底兩種(zhong),質量等級也有(you)優等品(pin)、一等品(pin)、合格品(pin)三種(zhong),檢(jian)測的(de)(de)(de)項目有(you):水(shui)分、定量、定量偏差、橫幅定量差、緊度(du)(du)、亮度(du)(du)(白(bai)(bai)度(du)(du))、印(yin)(yin)(yin)刷表(biao)面(mian)粗(cu)糙度(du)(du)、平滑(hua)度(du)(du)、印(yin)(yin)(yin)刷光澤度(du)(du)、油墨(mo)吸(xi)收性(xing)、印(yin)(yin)(yin)刷表(biao)面(mian)強度(du)(du)、吸(xi)水(shui)性(xing)、橫向挺度(du)(du)和塵(chen)埃度(du)(du)等。白(bai)(bai)紙(zhi)(zhi)板(ban)是預印(yin)(yin)(yin)紙(zhi)(zhi)箱面(mian)紙(zhi)(zhi)的(de)(de)(de)采(cai)用材料, 白(bai)(bai)紙(zhi)(zhi)板(ban)的(de)(de)(de)質量對紙(zhi)(zhi)箱的(de)(de)(de)印(yin)(yin)(yin)刷和強度(du)(du)都有(you)較(jiao)大的(de)(de)(de)影響。

白紙(zhi)板(ban)的(de)(de)水分、印(yin)(yin)刷(shua)(shua)表面(mian)(mian)粗糙(cao)度(du)(du)(du)(du)(du)、平滑度(du)(du)(du)(du)(du)和(he)表面(mian)(mian)強(qiang)度(du)(du)(du)(du)(du)等, 對印(yin)(yin)刷(shua)(shua)質(zhi)量的(de)(de)影響(xiang)比較敏感, 水分對印(yin)(yin)刷(shua)(shua)版(ban)面(mian)(mian)的(de)(de)套準會有一(yi)定的(de)(de)影響(xiang), 而(er)印(yin)(yin)刷(shua)(shua)表面(mian)(mian)粗糙(cao)度(du)(du)(du)(du)(du)、平滑度(du)(du)(du)(du)(du)和(he)表面(mian)(mian)強(qiang)度(du)(du)(du)(du)(du)指標對印(yin)(yin)刷(shua)(shua)質(zhi)量影響(xiang)較大, 如印(yin)(yin)刷(shua)(shua)油墨層能(neng)(neng)否飽(bao)和(he)、紙(zhi)面(mian)(mian)印(yin)(yin)刷(shua)(shua)后能(neng)(neng)否出現脫(tuo)層和(he)起泡問(wen)題。白紙(zhi)板(ban)的(de)(de)橫向挺(ting)度(du)(du)(du)(du)(du)則影響(xiang)到紙(zhi)箱的(de)(de)抗壓(ya)強(qiang)度(du)(du)(du)(du)(du);白紙(zhi)板(ban)的(de)(de)緊度(du)(du)(du)(du)(du)不(bu)(bu)是(shi)(shi)越高(gao)越好(hao),而(er)是(shi)(shi)規(gui)定不(bu)(bu)大于一(yi)個標準值(zhi),如優等品(定量≤300g/m 2)不(bu)(bu)大于0.88g/cm3。

因(yin)為如(ru)果(guo)白(bai)紙(zhi)(zhi)(zhi)板(ban)(ban)的(de)緊(jin)度(du)(du)(du)(du)過高,紙(zhi)(zhi)(zhi)箱(xiang)(xiang)搖(yao)蓋(gai)(gai)的(de)耐折(zhe)度(du)(du)(du)(du)就會明(ming)顯下降,使(shi)用(yong)過程(cheng)中搖(yao)蓋(gai)(gai)就容(rong)易出現斷(duan)裂(lie)現象。瓦(wa)(wa)(wa)楞(leng)(leng)紙(zhi)(zhi)(zhi)多用(yong)于(yu)(yu)紙(zhi)(zhi)(zhi)箱(xiang)(xiang)的(de)瓦(wa)(wa)(wa)楞(leng)(leng)層(ceng),也(ye)有的(de)用(yong)于(yu)(yu)瓦(wa)(wa)(wa)楞(leng)(leng)紙(zhi)(zhi)(zhi)板(ban)(ban)夾芯層(ceng)或里層(ceng)。用(yong)于(yu)(yu)瓦(wa)(wa)(wa)楞(leng)(leng)層(ceng)的(de)瓦(wa)(wa)(wa)楞(leng)(leng)紙(zhi)(zhi)(zhi), 它的(de)質(zhi)(zhi)量(liang)(liang)如(ru)何(he)直接(jie)影(ying)(ying)響(xiang)到(dao)紙(zhi)(zhi)(zhi)箱(xiang)(xiang)的(de)抗壓(ya)強度(du)(du)(du)(du)。瓦(wa)(wa)(wa)楞(leng)(leng)紙(zhi)(zhi)(zhi)的(de)標準分A、B、C、D 4個等(deng)(deng)級,A 等(deng)(deng)質(zhi)(zhi)量(liang)(liang)指(zhi)(zhi)標更高,其常規檢驗的(de)項(xiang)目(mu)有: 水(shui)分、定(ding)(ding)量(liang)(liang)、緊(jin)度(du)(du)(du)(du)、橫(heng)(heng)(heng)向(xiang)環壓(ya)指(zhi)(zhi)數和(he)裂(lie)斷(duan)長(chang)等(deng)(deng), 其中橫(heng)(heng)(heng)向(xiang)環壓(ya)指(zhi)(zhi)數、定(ding)(ding)量(liang)(liang)和(he)緊(jin)度(du)(du)(du)(du)指(zhi)(zhi)標,對(dui)瓦(wa)(wa)(wa)楞(leng)(leng)紙(zhi)(zhi)(zhi)板(ban)(ban)的(de)邊壓(ya)強度(du)(du)(du)(du)影(ying)(ying)響(xiang)較(jiao)大。箱(xiang)(xiang)板(ban)(ban)紙(zhi)(zhi)(zhi)一(yi)般用(yong)于(yu)(yu)紙(zhi)(zhi)(zhi)箱(xiang)(xiang)面(mian)紙(zhi)(zhi)(zhi)或里紙(zhi)(zhi)(zhi),其質(zhi)(zhi)量(liang)(liang)對(dui)紙(zhi)(zhi)(zhi)箱(xiang)(xiang)的(de)強度(du)(du)(du)(du)影(ying)(ying)響(xiang)較(jiao)大。普(pu)通箱(xiang)(xiang)板(ban)(ban)紙(zhi)(zhi)(zhi)和(he)牛皮掛(gua)面(mian)箱(xiang)(xiang)紙(zhi)(zhi)(zhi)板(ban)(ban)分為優(you)等(deng)(deng)品、一(yi)等(deng)(deng)品、合格品3種。檢測的(de)項(xiang)目(mu)有:水(shui)分、定(ding)(ding)量(liang)(liang)、緊(jin)度(du)(du)(du)(du)、橫(heng)(heng)(heng)向(xiang)環壓(ya)指(zhi)(zhi)數、耐破(po)指(zhi)(zhi)數、正反(fan)面(mian)吸水(shui)性、橫(heng)(heng)(heng)向(xiang)耐折(zhe)度(du)(du)(du)(du)等(deng)(deng), 其中橫(heng)(heng)(heng)向(xiang)環壓(ya)指(zhi)(zhi)數、耐破(po)指(zhi)(zhi)數和(he)定(ding)(ding)量(liang)(liang)對(dui)瓦(wa)(wa)(wa)楞(leng)(leng)紙(zhi)(zhi)(zhi)板(ban)(ban)的(de)耐破(po)度(du)(du)(du)(du)、戳穿強度(du)(du)(du)(du)和(he)邊壓(ya)強度(du)(du)(du)(du)影(ying)(ying)響(xiang)明(ming)顯,這些都(dou)是生產工(gong)藝實踐所證明(ming)的(de)客觀事(shi)實。

所(suo)以(yi),原(yuan)紙(zhi)作為紙(zhi)箱質(zhi)量的(de)(de)源頭(tou)環(huan)節, 必須進(jin)行嚴密、有效(xiao)的(de)(de)控(kong)制。主要做(zuo)法有:采購時在合同中要明確原(yuan)紙(zhi)采購的(de)(de)品(pin)種、質(zhi)量等級和標準(zhun)項(xiang)目(mu)的(de)(de)要求(qiu),檢驗項(xiang)目(mu)、標準(zhun)值可以(yi)參(can)照(zhao)相關的(de)(de)國標, 也(ye)可以(yi)由供(gong)需雙方約定。應(ying)根據產品(pin)的(de)(de)特(te)點確定原(yuan)紙(zhi)的(de)(de)標準(zhun)和檢驗項(xiang)目(mu),如可對(dui)瓦(wa)楞紙(zhi)、箱板紙(zhi)增加施膠度的(de)(de)檢測項(xiang)目(mu), 因為原(yuan)紙(zhi)表面如果施膠度好, 原(yuan)紙(zhi)就不易吸(xi)濕, 裱(biao)貼時粘合劑吸(xi)收量相應(ying)也(ye)少(shao), 有利于紙(zhi)板的(de)(de)干(gan)燥和提高紙(zhi)箱強度。

此外,就是(shi)(shi)要對(dui)采(cai)(cai)購的(de)(de)原(yuan)紙(zhi)進(jin)行驗收,按標準、按合(he)同規定的(de)(de)規則進(jin)行檢驗,這(zhe)是(shi)(shi)保證采(cai)(cai)購質量(liang)的(de)(de)重(zhong)要一環。因為買(mai)(mai)原(yuan)紙(zhi)不是(shi)(shi)簡(jian)單的(de)(de)買(mai)(mai)品(pin)種、買(mai)(mai)數量(liang),而是(shi)(shi)買(mai)(mai)原(yuan)紙(zhi)的(de)(de)標準和質量(liang), 可以(yi)說, 買(mai)(mai)合(he)格的(de)(de)原(yuan)紙(zhi),是(shi)(shi)降(jiang)低生產成本,提高紙(zhi)箱質量(liang)的(de)(de)基礎。

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