瓦楞紙板經(jīng)過模切、壓痕、釘箱或粘箱制成瓦楞紙箱。
瓦楞紙箱是一種應(yīng)用更廣的包裝制品,用量一直是各種包裝制品之首。那么瓦楞紙箱對(duì)于強(qiáng)度有哪些方面的要求?今天國(guó)泰民灃小編就帶大家來了解一下:
Corrugated paperboard through die-cutting, indentation, nailing or gluing into corrugated boxes. Corrugated box is one of the most widely used packaging products, and its consumption is always the first of all kinds of packaging products. So what are the requirements of corrugated box for strength? Today, I'd like to take you to know:
1、瓦楞紙板強(qiáng)度要求
1. Strength requirements of corrugated board
1.1:邊壓強(qiáng)度:順著瓦楞方向,單位長(zhǎng)度瓦楞紙板壓饋前所能承受的受力。單位: N/m.
1.1: edge pressure strength: the maximum stress that the unit length corrugated board can bear before feeding along the corrugated direction. Unit: n / m
邊壓強(qiáng)度=表面原紙綜合環(huán)壓強(qiáng)度+綜合瓦楞紙環(huán)壓強(qiáng)度*收縮率
Edge crush strength = surface base paper comprehensive ring crush strength + comprehensive corrugated paper ring crush strength * shrinkage
一般邊壓計(jì)算依原紙環(huán)壓強(qiáng)度計(jì)算(可靠),實(shí)際測(cè)試值會(huì)適當(dāng)大于理論計(jì)算值。
Generally, the calculation of edge pressure is based on the minimum ring crush strength of base paper (safe and reliable), and the actual test value will be appropriately greater than the theoretical calculation value.
1.2:耐破強(qiáng)度:?jiǎn)挝幻娣e瓦楞紙板破裂前所能承受均勻增加的外力。單位: Kg/cm2。
1.2: bursting strength: the maximum external force that the corrugated paperboard can bear before it breaks. Unit: kg / cm2.
紙板破裂強(qiáng)度=面紙破裂強(qiáng)度+中格紙破裂強(qiáng)度+底紙破裂強(qiáng)度
Breaking strength of paperboard = breaking strength of face paper + breaking strength of medium grid paper + breaking strength of base paper
*因制造過程會(huì)有一定強(qiáng)度損失,實(shí)際測(cè)試的破裂強(qiáng)度會(huì)小于計(jì)算值1 Kg/cm2左右。
*Due to certain strength loss in the manufacturing process, the actual test fracture strength will be less than the calculated value of 1 kg / cm2.
1.3:戳穿強(qiáng)度:新的標(biāo)準(zhǔn)GB6544-1999已經(jīng)取消了對(duì)紙板戳穿強(qiáng)度的要求。(原標(biāo)準(zhǔn)GB6544-1986)
1.3: puncture strength: the new national standard gb6544-1999 has cancelled the requirements for the puncture strength of paperboard. (original standard gb6544-1986)
2、瓦楞紙箱強(qiáng)度要求:
2. Strength requirements of corrugated box:
2.1:邊壓、耐破、戳穿同紙板。紙箱邊壓強(qiáng)度會(huì)比紙板邊壓強(qiáng)度要低(因制造過程的瓦楞損失)。
2.1: edge pressing, bursting resistance and puncturing are the same as those of paperboard. The edge crush strength of the carton is lower than that of the cardboard (due to the corrugated loss in the manufacturing process).
2.2:紙箱抗壓強(qiáng)度:(普通箱型,對(duì)應(yīng)箱型代號(hào):0201)
2.2: compressive strength of carton: (ordinary box type, corresponding to international box type code: 0201)
抗壓強(qiáng)度=邊壓強(qiáng)度(N/cm)*凱里卡特常數(shù)F
Compressive strength = edge compressive strength (n / cm) * Kerry Carter constant f
F值取決于紙箱的周邊長(zhǎng),2*(長(zhǎng)+寬)cm.以及瓦楞楞型。兩項(xiàng)目確定后,F(xiàn)值可以查表。實(shí)際上的抗壓強(qiáng)度測(cè)試值與紙箱長(zhǎng)、寬、高的比例有關(guān)系。同樣周邊長(zhǎng)、同樣材質(zhì)楞型的紙箱:高度越高、抗壓越?。婚L(zhǎng)*寬的底面積越大,抗壓越大。
The F value depends on the perimeter length of the carton, 2 * (L + W) cm. And the corrugated type. After the two items are determined, the F value can be checked in the table. In fact, the compressive strength test value is related to the ratio of carton length, width and height. For the same material, the longer the corrugated bottom is, the smaller the compression area is.
3、機(jī)包箱抗壓強(qiáng)度=對(duì)應(yīng)普通箱型的抗壓強(qiáng)度*0.6*1.62*搖蓋寬/紙箱寬 。
3. The compressive strength of the machine case = the compressive strength of the corresponding ordinary box type * 0.6 * 1.62 * the width of the shaking cover / the width of the carton.
4、紙箱、紙板的粘合強(qiáng)度(瓦楞成型的剝離強(qiáng)度而不是接舌處粘箱的粘合強(qiáng)度)。分離單位長(zhǎng)度紙板面紙與瓦楞紙所需的力。
4. The adhesive strength of carton and paperboard (peeling strength of corrugated forming rather than adhesive strength of glued box at tongue joint). The force required to separate the surface paper and corrugated paper per unit length.
單位:N/m楞。行業(yè)標(biāo)準(zhǔn)統(tǒng)一規(guī)定為大于588 N/m楞.
Unit: n / m. The industry standard is more than 588 n / m
5、堆碼強(qiáng)度與抗壓強(qiáng)度。
5. Stacking strength and compressive strength.
紙箱所需抗壓強(qiáng)度=[紙箱毛重*(堆碼層數(shù)-1)]*系數(shù)K。前部分為紙箱的靜態(tài)堆碼強(qiáng)度。K值取決于印刷版面的多少、開孔程度、內(nèi)包裝物性質(zhì)、貴重程度、倉(cāng)儲(chǔ)運(yùn)輸時(shí)間、條件等。K值一般取2—5。
The required compressive strength of the carton = [carton gross weight * (stacking layers - 1)] * safety factor K. The front part is the static stacking strength of the carton. The value of K depends on the number of printed pages, the degree of opening, the nature of the inner packaging, the degree of value, storage and transportation time, conditions, etc. The value of K is generally 2-5.
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