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如何測量紙箱的強度

文章出處:     發布時間:2018-06-13 23:10:00    點擊數:839

通常測(ce)(ce)(ce)試(shi)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)(xiang)(xiang)(xiang)強(qiang)(qiang)(qiang)(qiang)(qiang)(qiang)度(du)(du)(du)(du)(du)(du)的(de)(de)(de)(de)(de)(de)(de)(de)(de)檢(jian)驗(yan)(yan)標準會有(you)(you)很(hen)(hen)多(duo)方(fang)面的(de)(de)(de)(de)(de)(de)(de)(de)(de)要(yao)求(qiu)(qiu),例如(ru)外(wai)觀質(zhi)(zhi)量(liang)(liang)、印(yin)刷質(zhi)(zhi)量(liang)(liang)、封閉質(zhi)(zhi)量(liang)(liang)、尺(chi)寸公(gong)差(cha)(cha)、蓋(gai)折(zhe)疊次數等(deng)要(yao)求(qiu)(qiu)一(yi)(yi)(yi)般來說要(yao)求(qiu)(qiu)接合規(gui)(gui)范(fan),邊(bian)緣(yuan)整齊,不疊角(jiao)(jiao),箱(xiang)(xiang)(xiang)(xiang)(xiang)面不允許(xu)(xu)有(you)(you)明(ming)顯損壞或(huo)(huo)污(wu)跡等(deng)圖案、字(zi)跡印(yin)刷清(qing)晰,色度(du)(du)(du)(du)(du)(du)一(yi)(yi)(yi)致(zhi),光亮鮮艷(yan),箱(xiang)(xiang)(xiang)(xiang)(xiang)體(ti)內徑(jing)與(yu)設(she)計(ji)尺(chi)寸公(gong)差(cha)(cha)應保(bao)持在(zai)(zai)(zai)(zai)(zai)(zai)大(da)(da)箱(xiang)(xiang)(xiang)(xiang)(xiang)±5mm,小(xiao)(xiao)箱(xiang)(xiang)(xiang)(xiang)(xiang)±3mm,外(wai)形尺(chi)寸基本一(yi)(yi)(yi)致(zhi),箱(xiang)(xiang)(xiang)(xiang)(xiang)體(ti)四周無漏洞,各(ge)箱(xiang)(xiang)(xiang)(xiang)(xiang)蓋(gai)合攏后(hou)無參(can)差(cha)(cha)和(he)離縫(feng),印(yin)刷位置誤差(cha)(cha)大(da)(da)箱(xiang)(xiang)(xiang)(xiang)(xiang)不超過(guo)(guo)7mm,小(xiao)(xiao)箱(xiang)(xiang)(xiang)(xiang)(xiang)不超過(guo)(guo)4mm,瓦(wa)楞紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)(xiang)(xiang)(xiang)搖蓋(gai)經開、合180度(du)(du)(du)(du)(du)(du)往復(fu)折(zhe)疊5次以(yi)上(shang),一(yi)(yi)(yi)、二類箱(xiang)(xiang)(xiang)(xiang)(xiang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)面層(ceng)(ceng)和(he)里層(ceng)(ceng)、三(san)類箱(xiang)(xiang)(xiang)(xiang)(xiang)里層(ceng)(ceng)裂縫(feng)長(chang)(chang)度(du)(du)(du)(du)(du)(du)總和(he)不大(da)(da)于(yu)70mm,測(ce)(ce)(ce)試(shi)時(shi)(shi)將(jiang)瓦(wa)楞紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)(xiang)(xiang)(xiang)放在(zai)(zai)(zai)(zai)(zai)(zai)兩壓(ya)(ya)(ya)(ya)板(ban)之間,加(jia)壓(ya)(ya)(ya)(ya)至紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)(xiang)(xiang)(xiang)壓(ya)(ya)(ya)(ya)潰時(shi)(shi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)壓(ya)(ya)(ya)(ya)力,即(ji)為(wei)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)(xiang)(xiang)(xiang)耐(nai)壓(ya)(ya)(ya)(ya)強(qiang)(qiang)(qiang)(qiang)(qiang)(qiang)度(du)(du)(du)(du)(du)(du),用(yong)(yong)(yong)(yong)(yong)KN表示。紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)(xiang)(xiang)(xiang)耐(nai)壓(ya)(ya)(ya)(ya)強(qiang)(qiang)(qiang)(qiang)(qiang)(qiang)度(du)(du)(du)(du)(du)(du)向(xiang)來是(shi)(shi)(shi)許(xu)(xu)多(duo)商(shang)品(pin)(pin)(pin)包裝(zhuang)要(yao)求(qiu)(qiu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)最(zui)(zui)重(zhong)要(yao)的(de)(de)(de)(de)(de)(de)(de)(de)(de)質(zhi)(zhi)量(liang)(liang)指標原(yuan)(yuan)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)是(shi)(shi)(shi)決定(ding)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)(xiang)(xiang)(xiang)壓(ya)(ya)(ya)(ya)縮強(qiang)(qiang)(qiang)(qiang)(qiang)(qiang)度(du)(du)(du)(du)(du)(du)的(de)(de)(de)(de)(de)(de)(de)(de)(de)決定(ding)性(xing)因(yin)素(su),由kellicutt公(gong)式即(ji)可看出。然(ran)而瓦(wa)楞紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)生產過(guo)(guo)程中(zhong)(zhong)其(qi)他條(tiao)件的(de)(de)(de)(de)(de)(de)(de)(de)(de)影(ying)(ying)響也不允許(xu)(xu)忽視,如(ru)粘合劑(ji)用(yong)(yong)(yong)(yong)(yong)量(liang)(liang)、楞高變化浸漬、涂布(bu)、復(fu)合加(jia)工(gong)處理等(deng)。紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)(xiang)(xiang)(xiang)要(yao)求(qiu)(qiu)有(you)(you)一(yi)(yi)(yi)定(ding)的(de)(de)(de)(de)(de)(de)(de)(de)(de)耐(nai)壓(ya)(ya)(ya)(ya)強(qiang)(qiang)(qiang)(qiang)(qiang)(qiang)度(du)(du)(du)(du)(du)(du),是(shi)(shi)(shi)因(yin)為(wei)包裝(zhuang)商(shang)品(pin)(pin)(pin)后(hou)在(zai)(zai)(zai)(zai)(zai)(zai)貯運過(guo)(guo)程中(zhong)(zhong)堆碼在(zai)(zai)(zai)(zai)(zai)(zai)最(zui)(zui)低層(ceng)(ceng)的(de)(de)(de)(de)(de)(de)(de)(de)(de)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)(xiang)(xiang)(xiang)受(shou)到(dao)上(shang)部紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)(xiang)(xiang)(xiang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)壓(ya)(ya)(ya)(ya)力,為(wei)了不至于(yu)壓(ya)(ya)(ya)(ya)塌,必須具有(you)(you)合適的(de)(de)(de)(de)(de)(de)(de)(de)(de)抗(kang)(kang)壓(ya)(ya)(ya)(ya)強(qiang)(qiang)(qiang)(qiang)(qiang)(qiang)度(du)(du)(du)(du)(du)(du),紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)(xiang)(xiang)(xiang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)耐(nai)壓(ya)(ya)(ya)(ya)強(qiang)(qiang)(qiang)(qiang)(qiang)(qiang)度(du)(du)(du)(du)(du)(du)用(yong)(yong)(yong)(yong)(yong)下列公(gong)式計(ji)算(suan)(suan)(suan),由于(yu)受(shou)生產過(guo)(guo)程中(zhong)(zhong)各(ge)種因(yin)素(su)的(de)(de)(de)(de)(de)(de)(de)(de)(de)影(ying)(ying)響,最(zui)(zui)后(hou)用(yong)(yong)(yong)(yong)(yong)原(yuan)(yuan)料生產的(de)(de)(de)(de)(de)(de)(de)(de)(de)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)(xiang)(xiang)(xiang)抗(kang)(kang)壓(ya)(ya)(ya)(ya)強(qiang)(qiang)(qiang)(qiang)(qiang)(qiang)度(du)(du)(du)(du)(du)(du)不一(yi)(yi)(yi)定(ding)與(yu)估算(suan)(suan)(suan)結果(guo)完(wan)全一(yi)(yi)(yi)致(zhi),因(yin)此最(zui)(zui)終精確(que)確(que)定(ding)瓦(wa)楞紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)(xiang)(xiang)(xiang)抗(kang)(kang)壓(ya)(ya)(ya)(ya)強(qiang)(qiang)(qiang)(qiang)(qiang)(qiang)度(du)(du)(du)(du)(du)(du)的(de)(de)(de)(de)(de)(de)(de)(de)(de)方(fang)法(fa)是(shi)(shi)(shi)將(jiang)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)(xiang)(xiang)(xiang)恒溫濕(shi)(shi)處理后(hou)用(yong)(yong)(yong)(yong)(yong)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)(xiang)(xiang)(xiang)抗(kang)(kang)壓(ya)(ya)(ya)(ya)試(shi)驗(yan)(yan)機測(ce)(ce)(ce)試(shi);對于(yu)無測(ce)(ce)(ce)試(shi)設(she)備的(de)(de)(de)(de)(de)(de)(de)(de)(de)中(zhong)(zhong)小(xiao)(xiao)型(xing)廠,可以(yi)在(zai)(zai)(zai)(zai)(zai)(zai)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)(xiang)(xiang)(xiang)上(shang)面蓋(gai)一(yi)(yi)(yi)木板(ban),然(ran)后(hou)在(zai)(zai)(zai)(zai)(zai)(zai)木板(ban)上(shang)堆放等(deng)量(liang)(liang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)重(zhong)物,來大(da)(da)致(zhi)確(que)定(ding)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)(xiang)(xiang)(xiang)抗(kang)(kang)壓(ya)(ya)(ya)(ya)強(qiang)(qiang)(qiang)(qiang)(qiang)(qiang)度(du)(du)(du)(du)(du)(du)是(shi)(shi)(shi)否滿足要(yao)求(qiu)(qiu),根據原(yuan)(yuan)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)環(huan)(huan)壓(ya)(ya)(ya)(ya)強(qiang)(qiang)(qiang)(qiang)(qiang)(qiang)度(du)(du)(du)(du)(du)(du)計(ji)算(suan)(suan)(suan)出紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)(xiang)(xiang)(xiang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)抗(kang)(kang)壓(ya)(ya)(ya)(ya)強(qiang)(qiang)(qiang)(qiang)(qiang)(qiang)度(du)(du)(du)(du)(du)(du)有(you)(you)許(xu)(xu)多(duo)公(gong)式,但較為(wei)簡練實(shi)(shi)用(yong)(yong)(yong)(yong)(yong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)是(shi)(shi)(shi)kellicutt公(gong)式,它適合于(yu)用(yong)(yong)(yong)(yong)(yong)來估算(suan)(suan)(suan)0201型(xing)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)(xiang)(xiang)(xiang)抗(kang)(kang)壓(ya)(ya)(ya)(ya)強(qiang)(qiang)(qiang)(qiang)(qiang)(qiang)度(du)(du)(du)(du)(du)(du)。箱(xiang)(xiang)(xiang)(xiang)(xiang)型(xing)是(shi)(shi)(shi)指箱(xiang)(xiang)(xiang)(xiang)(xiang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)類型(xing)和(he)同(tong)(tong)種類型(xing)箱(xiang)(xiang)(xiang)(xiang)(xiang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)尺(chi)寸比例,它們對抗(kang)(kang)壓(ya)(ya)(ya)(ya)強(qiang)(qiang)(qiang)(qiang)(qiang)(qiang)度(du)(du)(du)(du)(du)(du)有(you)(you)明(ming)顯的(de)(de)(de)(de)(de)(de)(de)(de)(de)影(ying)(ying)響。有(you)(you)的(de)(de)(de)(de)(de)(de)(de)(de)(de)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)(xiang)(xiang)(xiang)箱(xiang)(xiang)(xiang)(xiang)(xiang)體(ti)為(wei)雙(shuang)層(ceng)(ceng)瓦(wa)楞紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)構成,耐(nai)壓(ya)(ya)(ya)(ya)強(qiang)(qiang)(qiang)(qiang)(qiang)(qiang)度(du)(du)(du)(du)(du)(du)較同(tong)(tong)種規(gui)(gui)格的(de)(de)(de)(de)(de)(de)(de)(de)(de)單層(ceng)(ceng)箱(xiang)(xiang)(xiang)(xiang)(xiang)明(ming)顯提(ti)高;在(zai)(zai)(zai)(zai)(zai)(zai)相同(tong)(tong)條(tiao)件下,箱(xiang)(xiang)(xiang)(xiang)(xiang)體(ti)越高,穩定(ding)性(xing)就越差(cha)(cha),耐(nai)壓(ya)(ya)(ya)(ya)強(qiang)(qiang)(qiang)(qiang)(qiang)(qiang)度(du)(du)(du)(du)(du)(du)越低。紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)(xiang)(xiang)(xiang)用(yong)(yong)(yong)(yong)(yong)含水量(liang)(liang)過(guo)(guo)高的(de)(de)(de)(de)(de)(de)(de)(de)(de)瓦(wa)楞紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)制(zhi)造,或(huo)(huo)者長(chang)(chang)時(shi)(shi)間貯顧在(zai)(zai)(zai)(zai)(zai)(zai)潮濕(shi)(shi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)環(huan)(huan)境中(zhong)(zhong),都(dou)會降(jiang)(jiang)低其(qi)耐(nai)壓(ya)(ya)(ya)(ya)強(qiang)(qiang)(qiang)(qiang)(qiang)(qiang)度(du)(du)(du)(du)(du)(du)。纖維是(shi)(shi)(shi)一(yi)(yi)(yi)種吸(xi)水性(xing)很(hen)(hen)強(qiang)(qiang)(qiang)(qiang)(qiang)(qiang)的(de)(de)(de)(de)(de)(de)(de)(de)(de),在(zai)(zai)(zai)(zai)(zai)(zai)梅雨季(ji)節及(ji)空氣(qi)中(zhong)(zhong)濕(shi)(shi)度(du)(du)(du)(du)(du)(du)較大(da)(da)時(shi)(shi),紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)中(zhong)(zhong)水分與(yu)大(da)(da)氣(qi)環(huan)(huan)境的(de)(de)(de)(de)(de)(de)(de)(de)(de)濕(shi)(shi)平衡(heng)關系很(hen)(hen)重(zhong)要(yao)。在(zai)(zai)(zai)(zai)(zai)(zai)制(zhi)箱(xiang)(xiang)(xiang)(xiang)(xiang)過(guo)(guo)程中(zhong)(zhong)壓(ya)(ya)(ya)(ya)線不當,開槽過(guo)(guo)深,結合不牢等(deng),也會降(jiang)(jiang)低成箱(xiang)(xiang)(xiang)(xiang)(xiang)耐(nai)壓(ya)(ya)(ya)(ya)強(qiang)(qiang)(qiang)(qiang)(qiang)(qiang)度(du)(du)(du)(du)(du)(du),將(jiang)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)(xiang)(xiang)(xiang)放入裝(zhuang)有(you)(you)沖(chong)擊板(ban)的(de)(de)(de)(de)(de)(de)(de)(de)(de)六角(jiao)(jiao)回轉(zhuan)(zhuan)鼓內,按規(gui)(gui)定(ding)轉(zhuan)(zhuan)數、次數轉(zhuan)(zhuan)動,然(ran)后(hou)檢(jian)驗(yan)(yan)商(shang)品(pin)(pin)(pin)、紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)(xiang)(xiang)(xiang)破(po)損情(qing)況。動態實(shi)(shi)驗(yan)(yan)都(dou)是(shi)(shi)(shi)破(po)壞性(xing)的(de)(de)(de)(de)(de)(de)(de)(de)(de),提(ti)高紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)(xiang)(xiang)(xiang)和(he)商(shang)品(pin)(pin)(pin)的(de)(de)(de)(de)(de)(de)(de)(de)(de)抗(kang)(kang)破(po)壞能力是(shi)(shi)(shi)在(zai)(zai)(zai)(zai)(zai)(zai)包裝(zhuang)商(shang)品(pin)(pin)(pin)時(shi)(shi)使(shi)用(yong)(yong)(yong)(yong)(yong)緩沖(chong)襯墊、隔板(ban)或(huo)(huo)其(qi)他保(bao)護(hu)措施。此外(wai)有(you)(you)些包裝(zhuang)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)(xiang)(xiang)(xiang)還需作噴(pen)淋、耐(nai)侯等(deng)實(shi)(shi)驗(yan)(yan),可根據雙(shuang)方(fang)合同(tong)(tong)協定(ding)。 將(jiang)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)(xiang)(xiang)(xiang)包裝(zhuang)商(shang)品(pin)(pin)(pin)后(hou)置于(yu)振動臺上(shang),使(shi)其(qi)受(shou)到(dao)水平、垂直方(fang)向(xiang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)振動作用(yong)(yong)(yong)(yong)(yong),或(huo)(huo)者同(tong)(tong)時(shi)(shi)受(shou)到(dao)雙(shuang)向(xiang)振動,經一(yi)(yi)(yi)定(ding)時(shi)(shi)間后(hou)檢(jian)查商(shang)品(pin)(pin)(pin)情(qing)況或(huo)(huo)商(shang)品(pin)(pin)(pin)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)(xiang)(xiang)(xiang)破(po)壞時(shi)(shi)經過(guo)(guo)的(de)(de)(de)(de)(de)(de)(de)(de)(de)時(shi)(shi)間。