| 微米木纤维模压制品握钉结合部载荷分布系数的确定方法 |
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| 引用本文： | 潘承怡,马岩. 微米木纤维模压制品握钉结合部载荷分布系数的确定方法[J]. 林业科技, 2009, 34(1) |
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| 作者姓名： | 潘承怡 马岩 |
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| 作者单位： | 哈尔滨理工大学机械动力工程学院,黑龙江,哈尔滨,150080;东北林业大学林业与木工机械技术工程中心,黑龙江,哈尔滨,150040 |
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| 基金项目： | 黑龙江省教育厅科学技术研究项目,国家自然科学基金 |
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| 摘 要： | 微米木纤维模压制品是通过细胞纵向劈裂而成的微米木纤维模压成型的新型高强度人造木基材料制品.以人造木基材料为主要材料的各种握钉力的计算均以栽荷沿轴向分布的积分方程为基础,而有关其栽荷分布系数的精确计算尤为重要.为此本文首先建立了握钉结合部裁荷分布的力学模型,然后给出了螺纹牙受力变形协调条件,推导出了轴向载荷分布强度与螺纹牙侧面上比压的关系式,分析了微米木纤维铺装纹理方向对其模压制品弹性模量的影响,从而详细地推导出了微米木纤维模压制品握钉结合部载荷分布系数的计算公式.
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| 关 键 词： | 微米木纤维 握钉结合部 握钉力 载荷分布系数 |
Method of Determining Load Distributing Coefficient in Holding Screw Connection of Micron Wood Fiber Molded Products |
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| PAN Chengyi. Method of Determining Load Distributing Coefficient in Holding Screw Connection of Micron Wood Fiber Molded Products[J]. Forestry Science & Technology, 2009, 34(1) |
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| Authors: | PAN Chengyi |
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| Affiliation: | Harbin University of Science and Technology;Heilongjiang Harbin 150080 |
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| Abstract: | Micron wood fiber molded product is a new kind of high strength man-made wooden product made by wood-cell longitudinal breaking and mold pressing.The calculation of screw holding capability of various man-made wooden products is based on the integral equation of load distribution along the axis.It is very important to calculate its load distributing coefficient accurately.Therefore this paper established the mechanical model of load distribution in holding screw connection and provided the concordant deform... |
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| Keywords: | Micron wood fiber Holding screw connection Screw holding capability Load distributing coefficient |
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