發(fā)布時間：2018-11-13 07:08

【摘要】：瓦楞紙箱的抗壓強(qiáng)度受多方面影響。當(dāng)企業(yè)在通過公式估算紙箱抗壓強(qiáng)度時,通常和實際測試值偏差較大,公式的適用性較差,企業(yè)需要一種適用于他們所生產(chǎn)的瓦楞紙箱的抗壓強(qiáng)度估算方法；其次,隨著微型瓦楞的興起,微型瓦楞紙箱的應(yīng)用越來越廣泛,常用公式并不適用于微型瓦楞紙箱,為此,企業(yè)迫切需求適用于微型紙箱的抗壓強(qiáng)度估算公式；再次,隨著包裝業(yè)的多樣化發(fā)展,企業(yè)不再僅僅生產(chǎn)0201型紙箱,對于其他箱型的瓦楞紙箱,其抗壓強(qiáng)度估算方法也是企業(yè)所需要的。 本文通過理論計算與實驗相結(jié)合的方法分析瓦楞紙箱的抗壓強(qiáng)度,以紙箱高度、紙箱長寬比和紙箱周邊作為結(jié)構(gòu)參數(shù),通過實驗測試E楞、B楞和BC楞瓦楞紙箱的抗壓強(qiáng)度,再對比理論估算結(jié)果,以常用公式為基礎(chǔ),對其進(jìn)行修正,以得到一種適用于企業(yè)使用的紙箱抗壓強(qiáng)度估算方法。 實驗結(jié)果表明：紙箱高度在200mmm以下時,對抗壓強(qiáng)度的影響并不明顯,紙箱長寬比對抗壓強(qiáng)度有一定影響,但其規(guī)律性并不一致,紙箱周邊長對抗壓強(qiáng)度的影響較為明顯,隨周邊長的增加,紙箱抗壓強(qiáng)度也逐漸增大。 通過對比紙箱的實驗測試結(jié)果和常用公式計算,凱里卡特公式的計算結(jié)果較為準(zhǔn)確,其誤差在10%以下,其次是馬基簡易公式,沃夫公式計算結(jié)果的誤差最大。 本文通過對凱里卡特公式進(jìn)行變形、化簡和修正后,得到了適用于E楞紙箱的凱里卡特估算公式；通過對沃夫公式和馬基簡易公式的修正得到了分別適用于E楞、B楞和BC楞紙箱的估算公式；通過對包卷式紙箱抗壓強(qiáng)度計算公式的修正,得到適用于0406型瓦楞紙箱抗壓強(qiáng)度的估算公式。
[Abstract]:The compressive strength of corrugated paper box is affected by many aspects. When enterprises estimate the compressive strength of cartons by the formula, the deviation between the test value and the actual test value is large, and the applicability of the formula is poor. Enterprises need a method to estimate the compressive strength of the corrugated cartons they produce. Secondly, with the rise of micro-corrugated box, the application of micro-corrugated box is more and more extensive, and the commonly used formula is not suitable for micro-corrugated box. Therefore, the enterprise urgently needs to apply the formula to estimate the compressive strength of micro-corrugated box. Thirdly, with the diversified development of packaging industry, enterprises no longer only produce 0201 cartons, for other box corrugated box, its compressive strength estimation method is also required by enterprises. In this paper, the compressive strength of corrugated paper box is analyzed by combining theoretical calculation and experiment. With the height of carton, the ratio of length to width of carton and the circumference of carton as structural parameters, the compressive strength of corrugated box with E-corrugated, B-corrugated and BC corrugated box is tested experimentally. Compared with the results of theoretical estimation, based on the commonly used formulas, the method of estimating the compressive strength of cartons can be obtained by modifying the results in order to obtain a suitable method for estimating the compressive strength of cartons used in enterprises. The experimental results show that when the height of carton is below 200mmm, the influence on compressive strength is not obvious. The ratio of length to width of carton has a certain influence on compressive strength, but its regularity is not consistent, and the influence of box circumference length on compressive strength is obvious. With the increase of peripheral length, the compressive strength of carton increases gradually. By comparing the experimental results of carton and the calculation of common formulas, the calculation results of Karekat formula are more accurate, the error is less than 10%, the second is the simple formula of Markey, and the error of the calculation result of Wolff formula is the biggest. In this paper, through the transformation, simplification and modification of the Karekat formula, a Karekat estimation formula suitable for the E corrugated carton is obtained. By modifying the Wolff formula and the simple Markey formula, the estimation formulas applicable to the corrugated box of E, B and BC are obtained respectively. By modifying the formula for calculating the compressive strength of the wrapped carton, a formula for estimating the compressive strength of the 0406 corrugated carton is obtained.
【學(xué)位授予單位】：天津科技大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：TB484.1

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