中心组合设计响应面法优化毛竹竹筒车削去青工艺  

Optimization of turning technology for removing out-layer of bamboo culm with Box-Behnken Design-response surface methodology

作　　者：胡守恒 陈李璨 邵迎涛 张水珍 王新洲 李延军 HU Shouheng;CHEN Lican;SHAO Yingtao;ZHANG Shuizhen;WANG Xinzhou;LI Yanjun(School of Materials Science and Engineering,Nanjing Forestry University,Nanjing 210037,Jiangsu,China;School of Materials Science and Technology,Beijing Forestry University,Beijing 100083,China;Hangzhou Dasuo Technology Co.,Ltd.,Hangzhou 311251,Zhejiang,China;Fujian Huayu Group Co.,Ltd.,Jian’ou 353003,Fujian,China)

机构地区：[1]南京林业大学材料科学与工程学院,江苏南京210037 [2]北京林业大学材料科学与技术学院,北京100083 [3]杭州大索科技有限公司,浙江杭州311251 [4]福建华宇集团有限公司,福建建瓯353003

出　　处：《浙江农林大学学报》2020年第4期787-792,共6页Journal of Zhejiang A&F University

基　　金：“十三五”国家重点研发计划项目(2018YFF0214501);江苏省科技计划项目(BE2018391);浙江省级重点研发计划课题(BE2018391);浙江省竹资源与高效利用协同创新中心开放项目(2017ZZY2-06)。

摘　　要：【目的】由于竹筒竹青的存在会对竹材展平加工产生不良影响,为了保证产品质量,亟需研究优化竹筒的去青工艺。【方法】通过单因素试验设计,来确定竹筒车削去青工艺中车削参数的最佳条件。以竹筒的去青度作为因变量,采用中心组合设计(Box-Behnken Design)响应面法对车削参数(竹筒转速、进给速度、气缸压力)进行研究,运用Design Expert 12软件对数据进行分析,建立去青度与各车削参数的多元二次回归方程,优化竹筒车削去青工艺。【结果】当竹筒转速为60 r·min^–1,进给速度为0.25 m·min^–1,气缸压力为0.20 MPa时,得最大去青度为66.97%。采用上述的工艺条件进行实际验证,得到的去青度为65.36%,与理论预测值的误差为–2.37%。【结论】本研究所得模型是合理的,可用于实际去青度的预测。图5表6参13。[Objective]The out-layer of bamboo culm has adverse effects on bamboo’s subsequent processing.It is essential to optimize the technology to ensure product quality.[Method]The single factor experiment was applied to determine the optimum conditions of turning parameters in turning technology for removing out-layer of bamboo culm.Using the effect of removing bamboo green of bamboo culm as the dependent variable,BoxBehnken Design experiment was adopted to examine the effects of turning parameters including bamboo tube rotation speed,feed rate and cylinder pressure.Experimental data were analyzed using Design Expert 12 software,multivariate quadratic regression equation mathematical model between dependent variable and independent variables was established to determine the optimum technical parameters.[Result]When the bamboo tube rotation speed was 60 r·min^–1,the feed rate was 0.25 m·min^–1,and the cylinder pressure was 0.20 MPa;there was a maximum effect of removing bamboo green of 66.97%.The above-mentioned process conditions were used to carry out the actual verification,and the obtained effect of removing bamboo green was 65.36%.The error with the theoretical prediction value was–2.37%.[Conclusion]The model was reasonable and could be used for the prediction of actual effect of removing bamboo green.[Ch,5 fig.6 tab.13 ref.]

关 键 词：毛竹 车削工艺 竹筒去青 中心组合设计(Box-Behnken Design)响应面法 去青度 

分 类 号：S781.9[农业科学—木材科学与技术]