中文
挺(ting)(ting)(ting)(ting)度(du)(du)(du)(du)(du)(du)是(shi)衡(heng)量(liang)紙(zhi)(zhi)和(he)紙(zhi)(zhi)板(ban)(ban)抗(kang)彎強度(du)(du)(du)(du)(du)(du)的(de)(de)性能,也(ye)表明其柔軟或硬度(du)(du)(du)(du)(du)(du)。挺(ting)(ting)(ting)(ting)度(du)(du)(du)(du)(du)(du)與(yu)(yu)(yu)紙(zhi)(zhi)板(ban)(ban)和(he)紙(zhi)(zhi)板(ban)(ban)的(de)(de)厚度(du)(du)(du)(du)(du)(du)有很大關系。理論上,挺(ting)(ting)(ting)(ting)度(du)(du)(du)(du)(du)(du)與(yu)(yu)(yu)厚度(du)(du)(du)(du)(du)(du)的(de)(de)三次方(fang)成(cheng)(cheng)正(zheng)比(bi)(bi)。如(ru)當(dang)緊度(du)(du)(du)(du)(du)(du)保持(chi)一定時,挺(ting)(ting)(ting)(ting)度(du)(du)(du)(du)(du)(du)的(de)(de)增(zeng)加與(yu)(yu)(yu)厚度(du)(du)(du)(du)(du)(du)的(de)(de)三次方(fang)成(cheng)(cheng)正(zheng)比(bi)(bi);當(dang)定量(liang)保持(chi)一定時,挺(ting)(ting)(ting)(ting)度(du)(du)(du)(du)(du)(du)的(de)(de)增(zeng)加與(yu)(yu)(yu)厚度(du)(du)(du)(du)(du)(du)的(de)(de)二(er)次方(fang)成(cheng)(cheng)正(zheng)比(bi)(bi);當(dang)厚度(du)(du)(du)(du)(du)(du)為(wei)一定時,挺(ting)(ting)(ting)(ting)度(du)(du)(du)(du)(du)(du)與(yu)(yu)(yu)緊度(du)(du)(du)(du)(du)(du)成(cheng)(cheng)正(zheng)比(bi)(bi)。紙(zhi)(zhi)漿(jiang)(jiang)打漿(jiang)(jiang)度(du)(du)(du)(du)(du)(du)高(gao)的(de)(de)紙(zhi)(zhi)漿(jiang)(jiang)制成(cheng)(cheng)的(de)(de)紙(zhi)(zhi)張挺(ting)(ting)(ting)(ting)度(du)(du)(du)(du)(du)(du)也(ye)較大。因此,摻入(ru)一定量(liang)草(cao)漿(jiang)(jiang)的(de)(de)紙(zhi)(zhi)板(ban)(ban)和(he)紙(zhi)(zhi)板(ban)(ban)具有良好的(de)(de)挺(ting)(ting)(ting)(ting)度(du)(du)(du)(du)(du)(du)。紙(zhi)(zhi)箱剛度(du)(du)(du)(du)(du)(du)反映(ying)了紙(zhi)(zhi)箱的(de)(de)抗(kang)變形能力(li),主要取(qu)決于紙(zhi)(zhi)板(ban)(ban)的(de)(de)挺(ting)(ting)(ting)(ting)度(du)(du)(du)(du)(du)(du)。如(ru)果紙(zhi)(zhi)箱在壓縮載荷或裝(zhuang)滿(man)物品后抗(kang)彎能力(li)不足,很容(rong)易變形甚至破裂。德瑞克紙(zhi)(zhi)板(ban)(ban)挺(ting)(ting)(ting)(ting)度(du)(du)(du)(du)(du)(du)儀分(fen)為(wei)以下兩款:
DRK106B折痕挺度儀是檢測(ce)(ce)紙(zhi)(zhi)張板及其(qi)他(ta)低強度(du)片狀非金屬材(cai)料抗彎曲強度(du)的(de)(de)儀器,本(ben)設備依據GB/T2679.3《紙(zhi)(zhi)和紙(zhi)(zhi)板挺度(du)測(ce)(ce)試》進行(xing)設計(ji),適用(yong)于ISO249.3《紙(zhi)(zhi)和紙(zhi)(zhi)板挺度(du)的(de)(de)測(ce)(ce)定》,儀器的(de)(de)測(ce)(ce)量原理(li)符合ISO5628《紙(zhi)(zhi)和紙(zhi)(zhi)板—靜態彎曲挺度(du)測(ce)(ce)定—一般原理(li)》的(de)(de)要求(qiu),同時(shi)適用(yong)于其(qi)它類(lei)型的(de)(de)紙(zhi)(zhi)板測(ce)(ce)定。
產品應用:
一般為20mN-10000mN(折合彎曲力矩為2mN.m—1000mN.m)的(de)紙(zhi)(zhi)和紙(zhi)(zhi)板,也適(shi)用于(yu)某些挺度較高(gao)的(de)材料。
產品參數:
參數項目:板的(de)挺度(du),折痕的(de)挺度(du)
測量范圍:彎曲力(15~300)mN,分辨力0.1mN
示(shi)值(zhi)準(zhun)確度:示(shi)值(zhi)誤差50mN以(yi)下±0.6mN,其余±1%;示(shi)值(zhi)變(bian)動性(xing)≤1%彎曲長(chang)度(50±0.1)mm,(25±0.1)mm,(10±0.1)mm。
彎曲角度:15o±0.3o,90o±0.3o
彎曲(qu)速(su)率:200o±20o/min(可(ke)調)
折痕挺度試樣:38*36mm
板挺度試樣:70*38mm
工作環境:
溫度:20oC±10oC;
電源:AC220V±5% 50Hz,電源應可靠接地。如電源電壓(ya)(ya)波動超出上述范圍(wei),則應使用電源穩壓(ya)(ya)器。
工作環境清潔,無強磁場震動(dong)源,工作臺平整穩固(gu)。
DRK106紙板挺度儀采用(yong)高科技數(shu)字電機和精簡實(shi)用(yong)的傳動結構, 測(ce)量與(yu)控(kong)制(zhi)系統采用(yong)以單(dan)片(pian)微(wei)機為(wei)中(zhong)央處理單(dan)元數(shu)字電 , 配有(you)相應(ying)(ying)的應(ying)(ying)用(yong)軟件對整(zheng)機進行控(kong)制(zhi),數(shu)據采集和數(shu)據處理, 報告內容有(you)彎曲(qu)(qu)力(li),挺度即(ji)彎曲(qu)(qu)力(li)矩(ju)mNm,整(zheng)機結構精簡單(dan),功備全(quan),操作(zuo)特別(bie)方便。
產品應用
特別適宜(yi)于測定(ding)(ding)低定(ding)(ding)量(liang)和厚度(du)小于1mm的紙(zhi)(zhi)(zhi)板的挺度(du),紙(zhi)(zhi)(zhi)板挺度(du)測定(ding)(ding)儀(yi)是國際標(biao)準通用(yong)的泰(tai)伯爾(Taber)式挺度(du)測定(ding)(ding)儀(yi)。該儀(yi)器適用(yong)于紙(zhi)(zhi)(zhi)板彎曲強度(du)的指標(biao),是測定(ding)(ding)紙(zhi)(zhi)(zhi)板挺度(du)的專(zhuan)用(yong)儀(yi)器。
技術標準
儀器符合
ISO5628、GB/T2679.3、ISO2493《紙和紙板彎曲挺度的測定》
GB/T22364《紙和紙板彎曲(qu)挺度的測定》等(deng)相關標準和規定
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