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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:常見問答(da) 時間:2020-04-26 10:00:24

不同(tong)結(jie)構、不同(tong)材質(zhi)的(de)紙(zhi)(zhi)(zhi)箱(xiang)(xiang),其價格(ge)也截然不同(tong),并且價格(ge)與(yu)原(yuan)紙(zhi)(zhi)(zhi)的(de)品(pin)(pin)種(zhong)、質(zhi)量(liang)等(deng)級關系(xi)較大。制(zhi)作紙(zhi)(zhi)(zhi)箱(xiang)(xiang)就(jiu)是要根(gen)據紙(zhi)(zhi)(zhi)箱(xiang)(xiang)的(de)使(shi)用(yong)特點和(he)(he)(he)運輸(shu)條(tiao)件(jian)確定用(yong)紙(zhi)(zhi)(zhi)品(pin)(pin)種(zhong)和(he)(he)(he)質(zhi)量(liang), 這是保持適度包裝,控制(zhi)生產成(cheng)本所值得重視的(de)環節。制(zhi)作紙(zhi)(zhi)(zhi)箱(xiang)(xiang)的(de)原(yuan)紙(zhi)(zhi)(zhi)主(zhu)要包括(kuo)白紙(zhi)(zhi)(zhi)板(ban)、瓦楞紙(zhi)(zhi)(zhi)、茶板(ban)紙(zhi)(zhi)(zhi)、普通箱(xiang)(xiang)紙(zhi)(zhi)(zhi)板(ban)和(he)(he)(he)牛皮掛(gua)面箱(xiang)(xiang)紙(zhi)(zhi)(zhi)板(ban)等(deng), 這些原(yuan)紙(zhi)(zhi)(zhi)的(de)制(zhi)作工藝(yi)和(he)(he)(he)材料上的(de)不同(tong),標準也有所差異。

涂布白(bai)紙(zhi)板有(you)白(bai)底和(he)灰底兩種(zhong),質量(liang)等級也有(you)優等品(pin)、一等品(pin)、合格品(pin)三種(zhong),檢測的(de)(de)項目有(you):水分、定量(liang)、定量(liang)偏差、橫(heng)(heng)幅(fu)定量(liang)差、緊度(du)(du)(du)、亮度(du)(du)(du)(白(bai)度(du)(du)(du))、印(yin)(yin)刷(shua)表(biao)面(mian)粗糙度(du)(du)(du)、平滑度(du)(du)(du)、印(yin)(yin)刷(shua)光(guang)澤度(du)(du)(du)、油墨吸(xi)收性、印(yin)(yin)刷(shua)表(biao)面(mian)強(qiang)度(du)(du)(du)、吸(xi)水性、橫(heng)(heng)向挺度(du)(du)(du)和(he)塵埃度(du)(du)(du)等。白(bai)紙(zhi)板是預印(yin)(yin)紙(zhi)箱面(mian)紙(zhi)的(de)(de)采用材料, 白(bai)紙(zhi)板的(de)(de)質量(liang)對紙(zhi)箱的(de)(de)印(yin)(yin)刷(shua)和(he)強(qiang)度(du)(du)(du)都有(you)較大的(de)(de)影響(xiang)。

白(bai)(bai)紙(zhi)板的水分(fen)(fen)、印(yin)刷(shua)(shua)(shua)表(biao)面(mian)粗(cu)糙度(du)(du)、平(ping)滑度(du)(du)和(he)(he)表(biao)面(mian)強(qiang)(qiang)度(du)(du)等, 對印(yin)刷(shua)(shua)(shua)質量的影響比較敏感, 水分(fen)(fen)對印(yin)刷(shua)(shua)(shua)版面(mian)的套準(zhun)會有一(yi)定(ding)的影響, 而印(yin)刷(shua)(shua)(shua)表(biao)面(mian)粗(cu)糙度(du)(du)、平(ping)滑度(du)(du)和(he)(he)表(biao)面(mian)強(qiang)(qiang)度(du)(du)指(zhi)標(biao)對印(yin)刷(shua)(shua)(shua)質量影響較大(da), 如印(yin)刷(shua)(shua)(shua)油墨層能(neng)否飽和(he)(he)、紙(zhi)面(mian)印(yin)刷(shua)(shua)(shua)后能(neng)否出現脫層和(he)(he)起泡問題。白(bai)(bai)紙(zhi)板的橫向挺(ting)度(du)(du)則(ze)影響到紙(zhi)箱的抗壓強(qiang)(qiang)度(du)(du);白(bai)(bai)紙(zhi)板的緊度(du)(du)不(bu)是(shi)越高(gao)越好,而是(shi)規定(ding)不(bu)大(da)于一(yi)個(ge)標(biao)準(zhun)值,如優等品(定(ding)量≤300g/m 2)不(bu)大(da)于0.88g/cm3。

因為(wei)如果白紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)的(de)(de)(de)緊度(du)(du)過高,紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)(xiang)搖(yao)蓋的(de)(de)(de)耐(nai)折(zhe)度(du)(du)就會明顯(xian)下降,使(shi)用(yong)(yong)過程中搖(yao)蓋就容易出現(xian)斷裂(lie)現(xian)象。瓦(wa)楞(leng)(leng)(leng)(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)多(duo)用(yong)(yong)于紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)(xiang)的(de)(de)(de)瓦(wa)楞(leng)(leng)(leng)(leng)層,也有的(de)(de)(de)用(yong)(yong)于瓦(wa)楞(leng)(leng)(leng)(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)夾芯層或(huo)里層。用(yong)(yong)于瓦(wa)楞(leng)(leng)(leng)(leng)層的(de)(de)(de)瓦(wa)楞(leng)(leng)(leng)(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi), 它的(de)(de)(de)質(zhi)量(liang)(liang)如何直接影響(xiang)到紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)(xiang)的(de)(de)(de)抗壓(ya)(ya)(ya)(ya)強度(du)(du)。瓦(wa)楞(leng)(leng)(leng)(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)的(de)(de)(de)標(biao)(biao)準(zhun)分A、B、C、D 4個等(deng)(deng)(deng)級(ji),A 等(deng)(deng)(deng)質(zhi)量(liang)(liang)指(zhi)標(biao)(biao)更(geng)高,其(qi)常(chang)規檢(jian)驗的(de)(de)(de)項目(mu)有: 水分、定量(liang)(liang)、緊度(du)(du)、橫向(xiang)(xiang)(xiang)環(huan)壓(ya)(ya)(ya)(ya)指(zhi)數和(he)(he)裂(lie)斷長(chang)等(deng)(deng)(deng), 其(qi)中橫向(xiang)(xiang)(xiang)環(huan)壓(ya)(ya)(ya)(ya)指(zhi)數、定量(liang)(liang)和(he)(he)緊度(du)(du)指(zhi)標(biao)(biao),對(dui)瓦(wa)楞(leng)(leng)(leng)(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)的(de)(de)(de)邊壓(ya)(ya)(ya)(ya)強度(du)(du)影響(xiang)較大(da)。箱(xiang)(xiang)(xiang)板(ban)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)一(yi)般用(yong)(yong)于紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)(xiang)面紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)或(huo)里紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi),其(qi)質(zhi)量(liang)(liang)對(dui)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)(xiang)的(de)(de)(de)強度(du)(du)影響(xiang)較大(da)。普通箱(xiang)(xiang)(xiang)板(ban)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)和(he)(he)牛皮掛(gua)面箱(xiang)(xiang)(xiang)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)分為(wei)優等(deng)(deng)(deng)品(pin)、一(yi)等(deng)(deng)(deng)品(pin)、合格品(pin)3種。檢(jian)測的(de)(de)(de)項目(mu)有:水分、定量(liang)(liang)、緊度(du)(du)、橫向(xiang)(xiang)(xiang)環(huan)壓(ya)(ya)(ya)(ya)指(zhi)數、耐(nai)破(po)指(zhi)數、正反(fan)面吸(xi)水性、橫向(xiang)(xiang)(xiang)耐(nai)折(zhe)度(du)(du)等(deng)(deng)(deng), 其(qi)中橫向(xiang)(xiang)(xiang)環(huan)壓(ya)(ya)(ya)(ya)指(zhi)數、耐(nai)破(po)指(zhi)數和(he)(he)定量(liang)(liang)對(dui)瓦(wa)楞(leng)(leng)(leng)(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)的(de)(de)(de)耐(nai)破(po)度(du)(du)、戳穿(chuan)強度(du)(du)和(he)(he)邊壓(ya)(ya)(ya)(ya)強度(du)(du)影響(xiang)明顯(xian),這些都是(shi)生產工(gong)藝實(shi)踐所證(zheng)明的(de)(de)(de)客觀(guan)事(shi)實(shi)。

所(suo)以(yi),原紙(zhi)(zhi)(zhi)作為(wei)紙(zhi)(zhi)(zhi)箱質(zhi)量的(de)(de)源頭環(huan)節, 必須進(jin)行(xing)嚴(yan)密、有(you)效(xiao)的(de)(de)控制。主(zhu)要(yao)做法有(you):采(cai)購(gou)時在合同中(zhong)要(yao)明確(que)原紙(zhi)(zhi)(zhi)采(cai)購(gou)的(de)(de)品種、質(zhi)量等級和標準(zhun)項(xiang)目的(de)(de)要(yao)求,檢(jian)(jian)驗項(xiang)目、標準(zhun)值可以(yi)參(can)照相(xiang)(xiang)關的(de)(de)國標, 也可以(yi)由(you)供需雙方(fang)約定。應根(gen)據產品的(de)(de)特(te)點確(que)定原紙(zhi)(zhi)(zhi)的(de)(de)標準(zhun)和檢(jian)(jian)驗項(xiang)目,如(ru)可對瓦(wa)楞紙(zhi)(zhi)(zhi)、箱板(ban)紙(zhi)(zhi)(zhi)增加施(shi)膠度的(de)(de)檢(jian)(jian)測項(xiang)目, 因(yin)為(wei)原紙(zhi)(zhi)(zhi)表面如(ru)果施(shi)膠度好, 原紙(zhi)(zhi)(zhi)就(jiu)不易吸濕, 裱貼時粘合劑吸收(shou)量相(xiang)(xiang)應也少, 有(you)利于(yu)紙(zhi)(zhi)(zhi)板(ban)的(de)(de)干燥和提高紙(zhi)(zhi)(zhi)箱強度。

此(ci)外,就是(shi)(shi)要(yao)對采(cai)購(gou)的原(yuan)(yuan)(yuan)紙(zhi)(zhi)進(jin)行驗收(shou),按標準(zhun)、按合(he)同規定(ding)的規則(ze)進(jin)行檢驗,這是(shi)(shi)保證采(cai)購(gou)質(zhi)(zhi)量(liang)(liang)(liang)的重要(yao)一環。因(yin)為買原(yuan)(yuan)(yuan)紙(zhi)(zhi)不是(shi)(shi)簡單的買品種、買數量(liang)(liang)(liang),而是(shi)(shi)買原(yuan)(yuan)(yuan)紙(zhi)(zhi)的標準(zhun)和質(zhi)(zhi)量(liang)(liang)(liang), 可以(yi)說(shuo), 買合(he)格(ge)的原(yuan)(yuan)(yuan)紙(zhi)(zhi),是(shi)(shi)降低(di)生產成本,提(ti)高紙(zhi)(zhi)箱質(zhi)(zhi)量(liang)(liang)(liang)的基礎。

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