最新刊期
      期 0 ， 2020

        Review

      • LU Ke-yang,FU Feng
        Issue 3, Pages: 1-3(2007) DOI: 10.19455/j.mcgy.2007.03.001
        摘要：This paper summarizes the research on electromagnetic shielding for wood composites both in China and abroad.It also analyzes the future development and potential applications of electromagnetic shielding of wood composites.  
        关键词：electromagnetic shielding wood composite;future development;application prospect   
        7
        |
        345
        |
        11
        <HTML>
        <L-PDF>
        <引用本文> <批量引用> 6620031 false
        发布时间：2021-02-08

        Research & Development

      • GU Lian-bai1,LI Tao1,TU Deng-yun2,JIANG Ning3
        Issue 3, Pages: 4-7(2007) DOI: 10.19455/j.mcgy.2007.03.002
        摘要：White ash（Fraxinus chinensis）,Mongolian oak（Quercus mongolica）,Camphor wood（Cinnamomum camphora）,Chinese gugertree（Schima superba） blanks of solid-wood flooring were heat-treated with super-high temperature.The technology was applied in a wood factory in Nanxun,Zhejiang Province based on laboratory experiments.Compared with the common solid wood flooring,moisture adsorption of heat-treated wood decreased by 51.87% and dimensional stability increased by 42.36%.Also,tangential modulus of elasticity and longitudinal compression strength increased by 1.15% and 2.19% respectively,but tangential bending strength reduced substantially.Heat-conduction ability was better than untreated solid-wood flooring used as ground heating flooring.  
        关键词：super-high temperature;heat-treated;Solid wood flooring;moisture adsorption;dimensional stability   
        13
        |
        573
        |
        81
        <HTML>
        <L-PDF>
        <引用本文> <批量引用> 6620320 false
        发布时间：2021-02-08
      • GUO Wen-jing,FAN Liu-fen,CHEN Zheng-kun,WANG Zheng
        Issue 3, Pages: 8-10(2007) DOI: 10.19455/j.mcgy.2007.03.003
        摘要：The effects of the different fiber contents on the properties of the Wood fiber/jute fiber/polypropylene fiber composite are discussed in this paper.The composites are formed with nonwoven air formed method in mats and are pressed in panels.The results indicate that the MOR and water resistance properties of the composites were improved by adding much more PP fibers.Increasing jute fiber can improve the MOR and MOE of the composites obviously,but the water resistance properties are decreased at the same time.The composite will get the best properties while it consists of 40% PP fiber,30% jute fiber and 30% wood fiber.  
        关键词：wood fiber;jute fiber;polypropylene（PP）fiber;composite;property   
        12
        |
        214
        |
        11
        <HTML>
        <L-PDF>
        <引用本文> <批量引用> 6619998 false
        发布时间：2021-02-08
      • LIU Huan-rong,LIU Jun-liang,CHAI Yu-bo
        Issue 3, Pages: 11-13(2007) DOI: 10.19455/j.mcgy.2007.03.004
        摘要：Laminated veneer lumber（LVL） was manufactured from poplar veneer,that had been impregnated with low-molecular-weight water-soluble phenol-formaldehyde resin.The effects on the mechanical and physical properties of the LVL were investigated when made from veneer that had been subjected to various levels of the resin treatment.The results indicated that either at normal temperature and pressure,or under an increased pressure condition,the resin impregnation in veneer increased as the impregnating time was prolonged.When the resin impregnation increased,LVL physical and mechanical properties improved significantly.When the resin impregnation was 168%,the modulus of elasticity（MOE）and modulus of rupture（MOR） of the LVL reached 140E and 180E grade of JAS SIS-24 《Structural Laminated Veneer Lumber》 standard,respectively.  
        关键词：Poplar;laminated veneer lumber（LVL）;resin impregnation;mechanical properties   
        4
        |
        298
        |
        18
        <HTML>
        <L-PDF>
        <引用本文> <批量引用> 6619976 false
        发布时间：2021-02-08
      • LONG Ling,WANG Jin-lin
        Issue 3, Pages: 14-17(2007) DOI: 10.19455/j.mcgy.2007.03.005
        摘要：Pure helium gas was applied to wood particles which were placed in a vessel.Aldehyde was collected by a 2.4-DNPH cartridge and analyzed by HPLC.Terpene was collected by an active carbon tube and analyzed by GC-FID.The results showed that aldehydes,such as formaldehyde,acetaldehyde,hexaldehyde,etc,and terpenes,including α-pinene,β-pinene and D-limonene,were released from green wood particles of Chinese Fir,Poplar,Masson’s Pine and Eucalyptus urophylla at 40℃.Acetaldehyde emission was much more than other components.Aldehyde emissions from Chinese Fir and Poplar were higher than from Masson’s Pine and E.urophylla.Terpene emission from Chinese Fir was much more than from the other 3 species of wood.When the temperature rose from 20℃ to 40℃,the volume of aldehyde and terpine emissions from Chinese Fir increased considerably.  
        关键词：wood;volatile organic compound（VOC）;aldehyde;terpene;high performance liquid chromatography（HPLC）;gas chromatograph（GC）   
        10
        |
        284
        |
        36
        <HTML>
        <L-PDF>
        <引用本文> <批量引用> 6620121 false
        发布时间：2021-02-08
      • HUANG Xiao-dong
        Issue 3, Pages: 18-20(2007) DOI: 10.19455/j.mcgy.2007.03.006
        摘要：Several polyurethane flame-retardant coatings,blended with different foaming agents,were applied to Pinus massoniana plywood.To evaluate the effect of the different foaming agents and the addition of nano-SiO2,the flame retarding properties of the treated plywood were tested with respect to an oxygen index value and heat release rate,respectively,by HC-2 oxygen index equipment and an HRR3 heat release rate system.The results showed that:1) the most effective foaming agent was the compound of carbamide and dicyandiamide（blended as the most effective ratio at 1∶3）,and 2) When the addition of nano-SiO2 was increased,the oxygen index of plywood increased while the highest heat release and the total heat release amount in 2 minutes decreased..However,all indexes changed little when the addition of nano-SiO2 exceeded 3%,except a dramatic increase in the cost.  
        关键词：nano-SiO2;polyurethane flame-retardant coating;flame retarding properties   
        10
        |
        188
        |
        1
        <HTML>
        <L-PDF>
        <引用本文> <批量引用> 6620840 false
        发布时间：2021-02-08
      • LIU Xian-miao,FU Feng
        Issue 3, Pages: 21-23(2007) DOI: 10.19455/j.mcgy.2007.03.007
        摘要：Some electric materials,such as Ni powder,graphite powder,stainless steel fiber and copper fiber,were added to urea-formaldehyde resin to manufacture plywood that would act as an electromagnetic shield.The influence of different electro-conductive elements and adhesive spread on shielding and bonding strength of Larix plywood was investigated.The results showed that shielding from plywood with the addition of pure Ni powder was nearly zero and that the addition of graphite powder,stainless steel fiber and copper fiber were 510 dB,1721 dB and 617 dB respectively.Except the bonding strength was 0.46 MPa,which was lower than the national standard when the spread of stainless steel fiber was 80 g/m2,under other conditions,the bonding strength of the plywood could meet or exceed the requirements of the related national standard.  
        关键词：plywood;electro-conductive elements;electromagnetic-shield effectiveness（ESE）;bonding strength   
        9
        |
        161
        |
        8
        <HTML>
        <L-PDF>
        <引用本文> <批量引用> 6620288 false
        发布时间：2021-02-08

        Discussion & Suggestion

      • CHENG Wei1,ZHU Dian-xiang1
        Issue 3, Pages: 24-26(2007) DOI: 10.19455/j.mcgy.2007.03.008
        摘要：This paper discusses the research and development of wood and veneer automatic classification technology,and proposes a design method for the classification system based on computer vision.  
        关键词：veneer;computer vision;artificial intelligence;automatic classification   
        9
        |
        123
        |
        14
        <HTML>
        <L-PDF>
        <引用本文> <批量引用> 6620012 false
        发布时间：2021-02-08
      • HAN Wei-sheng1,WU Zhi-hui1
        Issue 3, Pages: 27-29(2007) DOI: 10.19455/j.mcgy.2007.03.009
        摘要：This article reviews the current status of group machining technology as applied to the panel furniture industry.It also discusses the common group machining methods of the boring process and coding system for furniture parts.  
        关键词：panel furniture;visual method;group machining;coding system;time study   
        17
        |
        420
        |
        18
        <HTML>
        <L-PDF>
        <引用本文> <批量引用> 6620108 false
        发布时间：2021-02-08
      • LI Jia-ning1,DUAN Xin-fang2,ZHOU Guan-wu2,CAO Yuan-lin3,GUO Kang-quan1
        Issue 3, Pages: 30-32(2007) DOI: 10.19455/j.mcgy.2007.03.010
        摘要：This paper reviews the research on,and the application of,biotechnology for biomass materials.It covers the technique of manufacturing wood-based materials without formaldehyde emission by using isolated fungal enzymes,biological approaches applied in biological prevention,preservation,pulping and disposal of preservative-treated wood.Future developing trends in this subject are also discussed.  
        关键词：biomass material;biotechnology;enzyme;biological prevention and preservation   
        9
        |
        765
        |
        4
        <HTML>
        <L-PDF>
        <引用本文> <批量引用> 6620334 false
        发布时间：2021-02-08
      • LIN Jiao-jiao1,WU Zhi-hui1
        Issue 3, Pages: 33-35(2007) DOI: 10.19455/j.mcgy.2007.03.011
        摘要：Packaging is the starting point of modern furniture logistics.The design of furniture packaging must accommodate the needs of all logistics links including storage,handling and transportation.Thus,it is critical for furniture companies to realize the relation between packaging and logistics,and improve the technique of furniture packaging to meet the logistics requirements.  
        关键词：logistics;furniture;packaging   
        6
        |
        388
        |
        9
        <HTML>
        <L-PDF>
        <引用本文> <批量引用> 6620277 false
        发布时间：2021-02-08

        Piactical Techniques

      • SUN Yan-ming,CAO Jun,ZHENG Shi-qiang
        Issue 3, Pages: 36-38(2007) DOI: 10.19455/j.mcgy.2007.03.012
        摘要：A distributed control system for a medium density fiberboard（MDF） production line based on JX-300X is described.The whole system consists of three parts,including management level,which takes charge the production management task of a factory,an SCConnect OPC Server,as the local or long-distance server for collecting and storing the data for the production processes,and the remote visualization of the data and the condition of production processes accomplished by the monitoring software.Through an overall analysis of the remote visualization and the data of production processes,the high-efficient automatic control for production processes is realized.This system may increase the output of MDF by 20%.  
        关键词：MDF;distributed control system（DCS）;configuration software;long-distance monitoring   
        9
        |
        74
        |
        4
        <HTML>
        <L-PDF>
        <引用本文> <批量引用> 6620067 false
        发布时间：2021-02-08
      • MIAO Ping,ZHUANG Shou-zeng,LIU Bin,LIU Jin
        Issue 3, Pages: 39-41(2007) DOI: 10.19455/j.mcgy.2007.03.013
        摘要：Steam explosion pretreatment before lumber drying may increase the lumber drying rate.In the experiment conducted by the authors,oak lumber flooring material was pretreated by steam explosion at a pressure of 0.25,0.40 and 0.55 MPa,respectively.Then the lumber was dried and compared with untreated oak lumber.The results showed that the drying rate was increased by 13.6%,27.3% and 36.4% after the steam explosion pretreatments.With the given steam pressures,the strength of the oak lumber did not decrease.  
        关键词：oak;drying;steam explosion;pretreatment   
        4
        |
        125
        |
        8
        <HTML>
        <L-PDF>
        <引用本文> <批量引用> 6620205 false
        发布时间：2021-02-08
      • LU Ze-guang,SHEN Li-ming,CHEN Xiu-lan
        Issue 3, Pages: 42-44(2007) DOI: 10.19455/j.mcgy.2007.03.014
        摘要：Maple veneer overlaid furniture panels were first tested for surface roughness and then they were sprayed twice with a water-borne coating.Then the relation between surface roughness of the furniture panels and quality of the coating films was analyzed by measuring the cured coating for the indexes of thickness,adhesion,water resistance and hardness.The results indicated that surface roughness（Ra） had a dramatic influence on the coating adhesion,while it had little affect on the water resistance and hardness.When Ra was 5.20 um,the coating film had lowest peel value,moderate harness,but highest adhesion strength and best water resistance.  
          
        5
        |
        308
        |
        12
        <HTML>
        <L-PDF>
        <引用本文> <批量引用> 6620309 false
        发布时间：2021-02-08

        Practical Techniques

      • ZHOU Xiong-zhi1,GAO Yan1,LEI De-ding2
        Issue 3, Pages: 45-47(2007) DOI: 10.19455/j.mcgy.2007.03.015
        摘要：This article first describes the concept of technology outsourcing,then analyzes the necessities and advantages for Chinese panel manufacturers to apply technology outsourcing.Finally,it provides some references and methods of technology outsourcing for the wood-based panel industry in China.  
        关键词：technology outsourcing;wood-based panel company;technical innovation   
        8
        |
        91
        |
        1
        <HTML>
        <L-PDF>
        <引用本文> <批量引用> 6620574 false
        发布时间：2021-02-08

        Special Report

      • Issue 3, Pages: 53-54(2007) DOI: 10.19455/j.mcgy.2007.03.016
        摘要：<正>两年一度、享誉盛名的科隆家具生产、木工及室内装饰展——interzum 2007,于5月9-12日在德国科隆国际博览中心盛大举行。应主办方的邀请,笔者前往该展进行了参观采访。完美的设施,一流的服务科隆展馆（Koelnmesse）坐落在美丽的莱茵河畔,与彼岸世界著名3大教堂之一的科隆大教堂（图1）隔河相望,与位于市中心的科隆火车总站仅一站之遥。展馆门口设有轨道车站,连接各城市及4个国际机场的高速铁路网络,可非常便利快捷地将展商、买家和参观者送达展馆。  
          
        2
        |
        20
        |
        0
        <HTML>
        <L-PDF>
        <引用本文> <批量引用> 6620837 false
        发布时间：2021-02-08
      0