發(fā)布時(shí)間：2018-06-26 01:45

  本文選題：鈣塑瓦楞 + 平壓強(qiáng)度�。� 參考：《太原科技大學(xué)》2014年碩士論文

【摘要】：鈣塑瓦楞復(fù)合紙板具有瓦楞紙板良好的印刷性能和緩沖性能等優(yōu)點(diǎn)，又具有鈣塑板的防水、抗壓強(qiáng)度高、韌性好等特點(diǎn)，在市場(chǎng)上還沒(méi)有這樣的包裝材料，所以對(duì)此種新型包裝生產(chǎn)工藝參數(shù)和材料力學(xué)性能方面的研究也沒(méi)有。為此，本文首先通過(guò)實(shí)驗(yàn)方法，對(duì)鈣塑瓦楞復(fù)合紙板平壓強(qiáng)度、邊壓強(qiáng)度和戳穿強(qiáng)度的進(jìn)行了測(cè)試分析,同時(shí)將鈣塑瓦楞復(fù)合紙板與普通5層瓦楞紙板進(jìn)行對(duì)比；最后對(duì)鈣塑瓦楞復(fù)合紙板作了平壓準(zhǔn)靜態(tài)和碰撞沖擊試驗(yàn)，并對(duì)實(shí)驗(yàn)結(jié)果進(jìn)行分析研究，，研究的結(jié)果如下： 對(duì)鈣塑片材和鈣塑瓦楞復(fù)合紙板的生產(chǎn)溫度和生產(chǎn)速度作了實(shí)驗(yàn)研究，實(shí)驗(yàn)結(jié)果表明：A.生產(chǎn)鈣塑片才時(shí)，當(dāng)生產(chǎn)溫度為時(shí)195C，生產(chǎn)的鈣塑片材的拉伸強(qiáng)度和彎曲強(qiáng)度都是最高的；當(dāng)溫度為195C，螺桿的轉(zhuǎn)速為245r/min時(shí)，生產(chǎn)出的鈣塑片材的拉伸強(qiáng)度最大。B.生產(chǎn)鈣塑瓦楞復(fù)合紙板時(shí)，當(dāng)生產(chǎn)溫度為160oC時(shí)，其平壓強(qiáng)度最高；當(dāng)生產(chǎn)速度為3.5m/min，鈣塑瓦楞復(fù)合紙板的平壓強(qiáng)度最大。 通過(guò)實(shí)驗(yàn)方法，對(duì)3層鈣塑瓦楞復(fù)合紙板平壓強(qiáng)度、邊壓強(qiáng)度和戳穿強(qiáng)度的進(jìn)行了測(cè)試分析,同時(shí)將鈣塑瓦楞復(fù)合紙板與普通5層瓦楞紙板進(jìn)行對(duì)比，結(jié)果表明，3層鈣塑瓦楞復(fù)合紙板的邊壓強(qiáng)度為0.650kN，平壓強(qiáng)度為1.274kN，戳穿強(qiáng)度為7.5J；5層瓦楞紙板的邊壓強(qiáng)度為0.378kN，平壓強(qiáng)度為0.437kN，戳穿強(qiáng)度為6.75J。3層鈣塑瓦楞復(fù)合紙板可以代替5層瓦楞紙板來(lái)進(jìn)行產(chǎn)品的包裝。 通過(guò)鈣塑瓦楞復(fù)合紙板平壓準(zhǔn)靜態(tài)和碰撞沖擊試驗(yàn)，得到了鈣塑瓦楞復(fù)合紙板準(zhǔn)靜態(tài)及半正弦脈沖激勵(lì)下的變形規(guī)律，結(jié)果表明鈣塑瓦楞復(fù)合紙板應(yīng)力-應(yīng)變曲線呈線彈性區(qū)域、波動(dòng)式上升屈服區(qū)域和壓實(shí)區(qū)域；考慮粘滯性的因素，建立了鈣塑瓦楞復(fù)合紙板的靜態(tài)、動(dòng)態(tài)非線性本構(gòu)關(guān)系，成功識(shí)別出模型中的參數(shù)。 以上的研究成果對(duì)于鈣塑瓦楞復(fù)合紙板的推廣使用提供了參考依據(jù)，其動(dòng)態(tài)模型可直接應(yīng)用于考慮鈣塑瓦楞復(fù)合紙板箱緩沖作用的產(chǎn)品跌落沖擊響應(yīng)與優(yōu)化設(shè)計(jì)，并且本文所用的碰撞沖擊試驗(yàn)方法為表征緩沖材料的力學(xué)行為提供了一個(gè)新的方法。
[Abstract]:Calcium-plastic corrugated composite cardboard has the advantages of good printing performance and cushioning performance of corrugated paperboard, as well as the waterproofing, high compressive strength and good toughness of calcium plastic board. There is no such packaging material in the market. Therefore, there is no research on the technological parameters and mechanical properties of the new packaging. For this reason, this paper first through the experimental method, the calcium plastic corrugated composite board flat compression strength, the edge compression strength and the piercing strength has carried on the test analysis, simultaneously carries on the contrast between the calcium plastic corrugated composite board and the ordinary 5 layers corrugated paper board; Finally, the calc-plastic corrugated composite paperboard was tested by static and impact tests, and the experimental results were analyzed and studied. The results are as follows: the production temperature and production speed of calcium plastic sheet and calcium plastic corrugated composite paperboard are studied experimentally. When producing calcium plastic sheet, the tensile strength and bending strength of calcium plastic sheet are the highest when the production temperature is 195C, and when the temperature is 195C and the rotational speed of screw is 245r/min, the tensile strength of calcium plastic sheet produced is the highest. When producing calcium plastic corrugated composite board, when the production temperature is 160 OC, its flat compressive strength is the highest, and when the production speed is 3.5 m / min, the flat compressive strength of calcium plastic corrugated composite board is the highest. In this paper, three layers of calcium plastic corrugated composite paperboard were tested and analyzed by means of experiment, such as flat compression strength, edge pressing strength and puncture strength. At the same time, the calcium plastic corrugated composite board was compared with the ordinary 5 layers corrugated board. The results showed that the edge compressive strength, flat compressive strength and piercing strength of the three layers were 0.650kN, 1.274kN and 7.5J, respectively. The edge compression strength of 5 layers corrugated board is 0.378kN, the flat compressive strength is 0.437kN, the puncture strength is 6.75J.3 layer calcium plastic corrugated composite board can replace 5 layers corrugated board to carry on the packing of the product. The deformation law of calcium plastic corrugated composite paperboard under quasi-static and semi-sinusoidal pulse excitation was obtained through the quasi-static and impact tests on calc-plastic corrugated composite paperboard. The results show that the stress-strain curve of calcium plastic corrugated composite paperboard is linear elastic region, fluctuating rising yield region and compaction area, and the static and dynamic nonlinear constitutive relations of calcium plastic corrugated composite paperboard are established considering the viscosity factor. The parameters in the model were successfully identified. The above research results provide a reference for the popularization and use of calcium plastic corrugated composite paperboard, and its dynamic model can be directly applied to the product drop impact response and optimization design considering the cushioning effect of calcium plastic corrugated composite cardboard box. In addition, the impact test method used in this paper provides a new method to characterize the mechanical behavior of buffer materials.
【學(xué)位授予單位】：太原科技大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：TB484.1

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