送纸机构纸张控制方程及卡纸现象数值分析
Governing Equation of Paper Control and Numerical Analysis of Paper Jam
查看参考文献9篇
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文摘
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卡纸现象是打印机和复印机送纸机构常见故障之一,广泛存在于各种介质的传送系统中.为解决该问题,需要研究纸张在送纸机构中的运行规律和受力特点.根据送纸机构的原理,建立纸张在辊轮间运动的计算模型,并推导这一过程中的纸张运动方程.理论推导表明机构的材料与尺寸对卡纸有影响;同时,利用多体动力学分析软件RecurDyn,建立送纸机构仿真分析模型,研究送纸机构运行状态并分析在纸张脱离辊轮后各个因素对卡纸现象的影响,获得纸张与导板间不同的摩擦系数、主动辊轮转速、纸张模量及厚度变化对机构运动影响的规律;最后对比了实验与仿真的扭矩结果,来验证仿真方法的可靠性.结果表明,在纸张被辊轮夹持阶段,纸张运动主要受机构材料和尺寸影响;在纸张脱离辊轮后,纸张运动主要受摩擦力和接触力的影响,并发现随着纸张与导板间摩擦系数的增加、辊轮转速的减小、纸张模量及厚度的变大,机构中容易发生卡纸现象.研究结果可为解决卡纸故障提供指导. |
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其他语种文摘
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Paper jam is one of the common fault phenomena in paper-feeding mechanism including printers and copiers. It also commonly exists in all kinds of the transmission systems. Force and motion states need to be clarified to solve the problem. Paper-feeding mechanism was adopted to establish the computational model of paper in the roller. The governing equation of paper control was also derived. Theoretical deduction shows that the material and size of the mechanism have influences over paper jam. Meanwhile, simulation model of paper-feeding mechanism was built in dynamic analysis software RecurDyn. Running state of mechanism was studied and effects of multiple factors on paper jam were also analyzed. Effect laws of friction coefficient, wheel speed, paper thickness and modulus effect on the motion were obtained. The numerical simulation was validated by comparing with experimental results of torque. The results show that, paper motion is mainly influenced by material and size of the mechanism during the roller paper-holding stage; when the paper moves out of rollers, it is substantially influenced by friction and contact force. Paper jam is prone to occur in the mechanism, with the decrease of roller speed, as well as the increase of friction coefficient, the modulus and thickness of the paper. Conclusions drawn in the paper potentially provides guidance for the solution of paper jam fault. |
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来源
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力学季刊
,2015,36(2):307-315 【扩展库】
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DOI
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10.15959/j.cnki.0254-0053.2015.02.015
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关键词
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送纸机构
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卡纸现象
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振动方程
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多柔体动力学
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数值模型
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地址
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1.
同济大学航空航天与力学学院, 上海, 200092
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同济大学机械与能源工程学院, 上海, 200092
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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0254-0053 |
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学科
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机械、仪表工业 |
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文献收藏号
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CSCD:5457055
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