| 基于ASTM标准的4款实木靠背椅力学强度测试与分析 |
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| 引用本文： | 刘学莘,张报忠,杨文斌.基于ASTM标准的4款实木靠背椅力学强度测试与分析[J].林业机械与木工设备,2011,39(6). |
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| 作者姓名： | 刘学莘 张报忠 杨文斌 |
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| 作者单位： | 1. 福建农林大学材料工程学院,福建福州,350002
2. 大田县林业局,福建三明,366100 |
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| 摘 要： | 参照ASTM标准制定了靠背椅类家具的力学强度测试方法与质量要求,对4款实木靠背椅进行了坐板静压承栽、靠背承压、垂直冲击和循环冲击试验.结果表明,4款靠背椅的力学强度依次为3号椅大于2号椅大于1号椅大于4号椅.椅子的结构不同是导致椅子力学强度差异的主要原因(直腿结构优于交腿结构),在结构相同的条件下,椅子强度与所用材料的力学强度大小成正比,且坐框材料比腿部材料对椅子力学强度影响更为显著.另外,在椅子零部件接合处安装五金件可提高其力学强度.
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| 关 键 词： | ASTM标准 靠背椅 力学强度 |
Mechanical Strength Test and Analysis of Four Solid Wood Backrest Chairs Based on ASTM Standard |
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| LIU Xue-shen,ZHANG Bao-zhong,YANG Wen-bin.Mechanical Strength Test and Analysis of Four Solid Wood Backrest Chairs Based on ASTM Standard[J].Forestry Machinery & Woodworking Equipment,2011,39(6). |
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| Authors: | LIU Xue-shen ZHANG Bao-zhong YANG Wen-bin |
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| Institution: | LIU Xue-shen1,ZHANG Bao-zhong2,YANG Wen-bin1(1.College of Material Engineering,Fujian Agriculture and Forestry University,Fuzhou Fujian 350002,China,2.Datian Forestry Bureau,Sanming Fujian 366100,China) |
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| Abstract: | Mechanical strength test methods and quality requirements of backrest chairs are made based on ASTM standard.Tests like bringing static pressure on surface and back,as well as impacting vertically and circularly on four backrest chairs show that the mechanical strength of the four backrest chairs is No.3>No.2>No.1>No.4.The difference in structures is the main cause of different mechanical strength(straight leg structures are superior to crossed leg structures).Under the same structural conditions,the streng... |
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| Keywords: | ASTM standard backrest chair strength |
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