最新刊期
      期 0 ， 2020
      • YU Wen-ji,YU Yang-lun
        Vol. 27, Issue 1, Pages: 5-8(2013) DOI: 10.19455/j.mcgy.2013.01.001
        摘要：Wood and bamboo reconstituted processing method was one of the best ways for effectively utilizing plantation wood and bamboo.In this paper,the current status of wood and bamboo scrimber products were reviewed and some existing barriers including technology,processing,continuously manufacturing equipments and standardization,were analyzed,and future prospects for promoting the industry were also presented.  
        关键词：wood;bamboo;scrimber;technology and equipment;China   
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      • Vol. 27, Issue 1, Pages: 60-61(2013) DOI: 10.19455/j.mcgy.2013.01.025
        摘要：<正>一贯秉承汇集全球领先的林业与木材加工技术理念与产品的汉诺威国际林业木工展（Ligna）,将于2013年5月6-10日再现全球最庞大阵容:届时将有来自50个国家和地区的1800家企业参展,预计吸引超过9万名专业观众到会。2012年11月,德国汉诺威展览公司在京举行新闻发布会。会上由中国林业机械协会副会长马启升及德国机械制造商协会（VDMIA）总经理Bernhard Dirr,分别介绍了中国木工机械和欧洲木工机械制造业的概况;汉诺威展览公司董事局成员;Jochen Koeckler介绍了2013年展会的特点。  
          
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        Research & Development

      • YAO Yao1,YAO Yong-he1,ZHANG Zhang-kuan2,LI Wei-guang2
        Vol. 27, Issue 1, Pages: 9-12(2013) DOI: 10.19455/j.mcgy.2013.01.003
        摘要：The authors developed a numerical control machine for cutting and drilling door frame components based on the actual requirements for processing wooden door frames.Advanced computerized control techniques were used to set sawing and drilling patterns with a single clamping position.The machine was capable of making different wooden door frames.  
        关键词：wooden door frame;computerized control;cutting and drilling machine;U type sawing;a single position clamping   
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      • GE Jiao,HUA Jun,LIU Ya-qiu
        Vol. 27, Issue 1, Pages: 13-16(2013) DOI: 10.19455/j.mcgy.2013.01.004
        摘要：In order to improve quality of wood-based panels,the authors designed an online contact thickness detection system.The system based on the Windows operating platform uses a grating displacement sensor and takes Siemens S7-300 CPU314 as control core.It can set parameter,analyze data,create data-base,and display the result in real-time.It also can transfer data information for deviation correction by conducting with higher-level management system or TCP/IP Ethernet or H1 bus.A filed trial showed that the system worked smoothly and reliably.  
        关键词：online detect;wood-based panels;thickness testing system;contact   
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      • HE Wen,JIANG Shen-xue,ZHANG Qi-sheng,ZHANG Qin-li
        Vol. 27, Issue 1, Pages: 17-20(2013) DOI: 10.19455/j.mcgy.2013.01.005
        摘要：The authors studies poplar wood samples following pretreatment,first with succinic anhydride（SA） and then modifying them with styrene（ST） monomer and succinic anhydride-glycidyl methacrylate（ST-GMA） using in situ polymerization to improve their dimensional stability,mechanical properties,and durability.The results showed that the dimensional stability of samples treated with SA improved considerably and the dimensional stability,mechanical properties,and decay resistance of samples modified with ST and ST-GMA showed considerable improvement.  
        关键词：Poplar;in situ polymerization;succinic anhydride;styrene;glycidyl methacrylate   
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        发布时间：2021-02-08
      • JIANG Yi-fei1,CHU Fu-xiang2,QIN Te-fu1
        Vol. 27, Issue 1, Pages: 21-23(2013) DOI: 10.19455/j.mcgy.2013.01.007
        摘要：Silicon sol-gel treatment has been used as an effective method to improve wood properties.In this study,the authors attempted to explore the interacting mechanism between the silicone system and wood.They evaluated the contents and status of carbon,oxygen and silicon elements in a silicon modified wood by scanning electron microscope-energy dispersive analysis of X-ray（SEM-EDAX）.The results showed that silicon was mainly distributed in the cell wall.The contents of the carbon,oxygen and silicon elements changed with weight gain（WPG） rates of the modified wood.  
        关键词：wood modification;organic silicon;sel-gel;element distribution;WPG   
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        发布时间：2021-02-08
      • YANG Min-jie,ZHOU Han-dong,LI Jian-bo
        Vol. 27, Issue 1, Pages: 24-27(2013) DOI: 10.19455/j.mcgy.2013.01.009
        摘要：In order to improve comprehensive properties of polyurethane paint for wood furniture,the authors used nano-SiO2 to modify polyurethane paint,and evaluated the structure and properties of the modified polyurethane paint.X-ray diffraction and scanning electron microscope examinations indicated that a bonding reaction occurred between nano-SiO2 and polyurethane paint,which could potentially improve its compactness,thermal stability,resistance to ultraviolet light.  
        关键词：nano-SiO2;polyurethane wood paint;paint film   
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        发布时间：2021-02-08

        Discussion & Suggestion

      • CUI Min,DUAN Xin-fang,LV Bin,WU Dan-ping
        Vol. 27, Issue 1, Pages: 28-31(2013) DOI: 10.19455/j.mcgy.2013.01.010
        摘要：Technical standards,as the base of economic development,play a more and more important role in economy and trade.The authors summarized the current status,analyzed existing problems and addressed important work for standardization of wood-based panels’ in China.  
        关键词：wood-based panel;standardization;China   
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        发布时间：2021-02-08
      • GUO Dong-sheng,LV Ai-dong
        Vol. 27, Issue 1, Pages: 32-34(2013) DOI: 10.19455/j.mcgy.2013.01.011
        摘要：The authors developed techniques for manufacturing particleboard with waste veneer to take full advantage of wood residuals,improve the quality of particleboard（PB） products and reduce cost.Special particle preparation and resin blending processes were fully described.PB produced with waste veneer showed considerable improvement in the vertical density distribution.The authors believed that the new manufacturing technique using particleboard with waste veneer could save 15% resin usage without reducing particleboard performance.  
        关键词：waste veneer;particleboard（PB）;particle preparation;high pressure resin regulating system   
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        发布时间：2021-02-08
      • ZHU Yi-jun1,FU Yue-jin2,WANG Cai-xia3
        Vol. 27, Issue 1, Pages: 39-42(2013) DOI: 10.19455/j.mcgy.2013.01.013
        摘要：The authors summarized the current status of wooden door industry in China,analyzed the main existing restrictions for further development and made countermeasure suggestions in order to promote the industry to further develop sustainably and healthily.  
        关键词：wooden door;China;status;restrictions   
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        发布时间：2021-02-08
      • HE Zhi-qiang,ZHOU Yong-dong,SUN Feng
        Vol. 27, Issue 1, Pages: 43-46(2013) DOI: 10.19455/j.mcgy.2013.01.014
        摘要：In order to improve the energy efficiency of medium density fiberboard（MDF） manufacturing,the heat energy and exergy utilization during the conventional and low temperature fiber drying processes were compared.The results showed that heat energy utilization efficiency during the low temperature drying process was higher than during the conventional process.The specific heat energy consumption was lower in the low temperature process than consumption using the conventional process.The authors also found that the low temperature process exergy efficiency was higher than with the conventional drying process.Finally,some suggestions for saving energy during MDF production were provided.  
        关键词：Medium density fiberboard（MDF）;fiber drying;heat efficiency;exergy efficiency   
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        发布时间：2021-02-08

        Piactical Techniques

      • QU Bao-xue1,ZHU Yan-zhong1,ZHOU Yu2,HAN Wen-lu3
        Vol. 27, Issue 1, Pages: 47-49(2013) DOI: 10.19455/j.mcgy.2013.01.015
        摘要：The authors recycled scrap melamine impregnated paper and then pulverized it to powders to be used as a urea formaldehyde（UF） resin adhesive filler for plywood production.Their goal was to reduce the cost of wood adhesive and to minimize pollution from combustion of the impregnated paper.The results showed that adding 10 to 15 percent of the powder,the plywood bonding strength was considerably improved.It was also determined that formaldehyde emission decreased as the impregnated paper powder was increased.  
        关键词：plywood;scrap melamine impregnaed paper powder;UF resin;filler;bonding strength;formaldehyde emission   
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      • WANG Bao-gang1,ZHANG Zhan-kuan1,PENG Xiao-rui1,LI Wei-guang1
        Vol. 27, Issue 1, Pages: 50-53(2013) DOI: 10.19455/j.mcgy.2013.01.016
        摘要：Normal pressures on a brush sander with different theoretical contact lengths,sanding-strip lengths,and deflection angle were measured and analyzed.The results showed that normal pressure increased with increased theoretical contact length and deflection angle.Increasing the sanding strips length could decrease the D-value pressure for different planes and enhance the brush sanding adaptability.  
        关键词：brush sanding machine;normal pressure;special-shaped sanding   
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      • XI Li-xia,JIANG Ming-liang
        Vol. 27, Issue 1, Pages: 54-57(2013) DOI: 10.19455/j.mcgy.2013.01.018
        摘要：Pine（Pinus massoniana）samples were treated with carbendazim（CBZ）,tebuconazole（TEB）and propiconazole（PPZ）,and then brushed with hydrophobic agents for preventing mold and sap stain.CBZ,TEB and PPZ leachability from the samples was tested using high performance liquid chromatography（HPLC）.The results indicated that the CBZ,TEB and PPZ fixation rate improved after brushing with a hydrophobic agent.There was a significant hydrophobic agent concentration effect on the carbendazim fixation rate in the samples.  
        关键词：carbendazim;propiconazole;tebuconazole;high performance liquid chromatograph;leachability   
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