球型镶齿滚刀参数对破岩比能影响性研究
2020-05-06 10:10
来源: 绍兴交投

字号:

论文题目:

球型镶齿滚刀参数对破岩比能影响性研究

论文类别:

CSCD核心

单位及作者:

浙江绍金高速公路有限公司 侯义辉

论文摘要:

研究球型镶齿滚刀破岩过程中刀盘转速、钻压、镶齿数、刀盘间距以及贯入度5 种因素对破岩比能的影响,利用ABAQUS 有限元计算软件,建立双排滚刀直线切割围岩的动力显式模型;基于正交试验法,设置五因素四水平正交试验L16(45),通过极差分析和方差分析找出不同因素变化对破岩比能的影响规律,并对比分析最优组合和最不利工况下滚刀滚动力和破岩效果。研究结果表明:影响滚刀破岩比能因素的主次顺序依次是钻压、刀盘排距、转速、刀齿数和贯入度;适用于中风化凝灰岩互层的钻具参数为转速12.56 m/s,钻压25 kN,刀齿数34 个,刀盘排距35 mm,贯入度1 mm,此时的破岩比能为0.382 8 MJ/m3,优化效果较好。

关键词:

滚刀破岩;破岩比能;正交试验;极差分析;方差分析

正文:

球型镶齿滚刀参数对破岩比能影响性研究.pdf


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(CN或ISSN号):

《铁道科学与工程学报》(CN:43-1423/U,ISSN:1672-7029),2020年5月第17卷第5期,1287-1294

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