折疊瓦楞紙箱的長、寬、高的尺度與紙箱的破損聯(lián)系較大。紙箱的尺度一般是依據(jù)所要裝的瓶數(shù)及瓶高來確認(rèn)的。箱長是長方向上的瓶數(shù)×瓶的直徑，箱寬是寬方向上的瓶數(shù)×瓶的直徑，箱高基本上是瓶高。箱體的四邊周長相當(dāng)于支撐紙箱壓力載荷的整個(gè)側(cè)壁，一般周長越長，抗壓強(qiáng)度越高，但這種增高并不成比例。
The length, width and height of folding corrugated carton are closely related to the damage of carton. The dimensions of cartons are generally determined according to the number of bottles to be packed and the bottle height. The box length is the number of bottles with the rectangle upward × The diameter of the bottle and the width of the box are the number of bottles in the width direction × The diameter of the bottle and the height of the box are basically the height of the bottle. The perimeter of the four sides of the box is equivalent to the whole side wall supporting the pressure load of the carton. Generally, the longer the perimeter is, the higher the compressive strength is, but this increase is not proportional.
如果四邊周長太大，即內(nèi)裝物的瓶數(shù)比較多，整箱產(chǎn)品的毛重就大，對紙箱的要求也高，需求有較高的抗壓強(qiáng)度和耐破度，來確保紙箱的使用性能，否則，紙箱比較容易在流通過程中產(chǎn)生破損等現(xiàn)象。市場上，596mL×24瓶純水箱在所有的紙箱中破損大，就是由于其毛重較大，又是單瓦紙箱，在流通過程中容易產(chǎn)生破損現(xiàn)象。
If the perimeter length of the four sides is too large, that is, the number of bottles of the contents is relatively large, the gross weight of the whole carton is large, the requirements for the carton are also high, and there is a high demand for compressive strength and burst resistance to ensure the service performance of the carton. Otherwise, the carton is more likely to be damaged in the circulation process. 596ml on the market × The 24 bottles of pure water tank are greatly damaged in all cartons because of its large gross weight and single tile carton, which is easy to be damaged in the process of circulation.
折疊瓦楞紙箱
Folding corrugated box
在紙箱的長、寬相同的情況下，高度對空箱抗壓強(qiáng)度的影響較大。在紙箱四邊周長不變的情況下，隨著紙箱高度的加大，抗壓強(qiáng)度減少，降幅大約為20。由于瓦楞輥在使用過程中會(huì)受到磨損，使得瓦楞紙板的厚度達(dá)不到規(guī)定的要求，使得紙箱的抗壓強(qiáng)度偏，紙箱強(qiáng)度也會(huì)下降。
When the length and width of the carton are the same, the height has a great influence on the compressive strength of the empty carton. When the perimeter of the four sides of the carton remains unchanged, the compressive strength decreases by about 20 with the increase of the carton height. Because the corrugated roller will be worn in the process of use, the thickness of corrugated board can not meet the specified requirements, so that the compressive strength of carton is low, and the strength of carton will also decrease.
產(chǎn)生折疊瓦楞紙箱變形的紙板本身較軟，平面強(qiáng)度，剛性也，用這樣紙板制成的瓦楞紙箱抗壓強(qiáng)度、拆穿強(qiáng)度也小。由于瓦楞的形狀與瓦楞紙板的抗壓強(qiáng)度有直接聯(lián)系。瓦楞的形狀一般分為U型、V型、UV型。
The cardboard that produces the deformation of folded corrugated boxes is soft, with low plane strength and low rigidity. The corrugated boxes made of such cardboard have low compressive strength and tear through strength. Because the shape of corrugated board is directly related to the compressive strength of corrugated board. The shape of corrugated is generally divided into U-type, V-type and UV type.
U型蔓延性好，賦有彈性，吸收能量較高。在彈性內(nèi)，當(dāng)壓力處理后仍能恢復(fù)原狀，但因圓弧的著力點(diǎn)不穩(wěn)定，故平壓強(qiáng)度不高。V型與紙面觸摸小，粘合性差，較易剝離。憑借兩條斜線的合力作用，挺力好，平壓強(qiáng)度較大。但如外力超越其承受的壓力，楞形被破壞，后不能恢復(fù)原狀。UV型取以上兩種楞型的優(yōu)點(diǎn)，耐壓強(qiáng)度較高，有較好的彈性和彈性恢復(fù)能力，是比較理想的楞型。
U-shape has good spread, elasticity and high energy absorption. In the elastic, it can still be restored to the original state after pressure treatment, but the flat compression strength is not high because the force point of the arc is unstable. V-shape has small touch with paper, poor adhesion and easy peeling. With the combined force of the two oblique lines, the stiffness is good and the flat compression strength is large. However, if the external force exceeds the pressure it bears, the ridge shape is damaged and cannot be restored to its original state. UV type takes the advantages of the above two corrugated types. It has high compressive strength, good elasticity and elastic recovery ability. It is an ideal corrugated type.
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