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当前位置: 首页 > 文章 > 铣削参数对毛竹超前劈裂的影响 北京林业大学学报 2009 (1) 193-196
Position: Home > Articles > Effects of milling parameters for Moso bamboo on its advance splitting. Journal of Beijing Forestry University 2009 (1) 193-196

铣削参数对毛竹超前劈裂的影响

作  者：
郭莹洁;杨永福;白雪
单  位：
北京林业大学材料科学与技术学院;木材科学与工程北京市重点实验室;木质材料与应用教育部重点实验室
关键词：
毛竹;铣削参数;超前劈裂
摘  要：
该文通过对毛竹的铣削实验,研究了刀具前角、铣削量、铣削速度对竹材径向铣削产生的超前劈裂的影响,并比较了弦向铣削与径向铣削所产生超前劈裂的差异。结果表明:①刀具前角增大,超前劈裂加剧。②超前劈裂长度与铣削量呈正相关关系。③随铣削量增加,劈裂深度加深,劈裂范围扩大。④铣削速度增加,劈裂范围扩大,当铣削速度大于70 m/s时,劈裂长度趋于稳定。⑤弦向铣削产生的超前劈裂长度明显小于径向铣削劈裂长度。⑥维管束密集的竹青部位超前劈裂较竹肉部位更明显,竹黄部位基本无超前劈裂发生。
译  名：
Effects of milling parameters for Moso bamboo on its advance splitting.
作  者：
GUO Ying-jie;YANG Yong-fu;BAI Xue.College of Materials Science and Technology,Key Laboratory of Beijing for Wood Science and Engineering,Key Laboratory of Wood Materials Science & Application of Ministry of Education,Beijing Forestry University,100083,P.R.China.
关键词：
Moso bamboo;milling parameters;advance splitting
摘  要：
The effects of milling parameters,including the tool rake angle,milling thickness and speed,for Moso bamboo on its advance splitting were studied,and the difference of advance splitting in two cutting directions,ie radical direction and tangential direction was compared.With the increase of tool rake angle,advance splitting became severe.There was a positive relation between milling thickness and in the length of advance splitting.As the speed of milling increased,the area of advance splitting extended and the length of advance splitting kept stable when milling speed was more than 70?m?s.There were significant differences both in the length and in the width of advance splitting in the two cutting directions.There was phenomenal severity of advance splitting in the position of bamboo where vascular bundles were dense.

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