旋刀式荸荠芽根同步切除装置设计与试验
S226.8; 针对荸荠芽和根切除工序复杂、效果差、切削力较大等问题,该研究设计了一种旋刀式荸荠芽根同步切除装置,借助荸荠自身重力和装置结构形式进行限位,由回转刀片组同时切除芽和根.首先对荸荠运行及切削过程展开理论分析,确定关键部件结构形式与参数范围.进一步在EDEM离散元软件中以荸荠芽和根的切削力为评价指标,以锯齿旋切刀几何参数和切削速度为影响因素开展仿真优化试验,得到最佳参数组合为:锯齿底长5 mm,齿高15 mm,切削速度0.103 m/s.搭建测力平台对仿真结果进行验证,并与平刃旋切刀进行性能对比.结果表明,优化后的锯齿旋切刀可减小23.29％的切削力.基于Box-Behnken原理设...
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| Published in | 农业工程学报 Vol. 38; no. 13; pp. 10 - 19 |
|---|---|
| Main Authors | , , , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
华中农业大学工学院,武汉 430070%农业农村部长江中下游农业装备重点实验室,武汉 430070
01.07.2022
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1002-6819 |
| DOI | 10.11975/j.issn.1002-6819.2022.13.002 |
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| Abstract | S226.8; 针对荸荠芽和根切除工序复杂、效果差、切削力较大等问题,该研究设计了一种旋刀式荸荠芽根同步切除装置,借助荸荠自身重力和装置结构形式进行限位,由回转刀片组同时切除芽和根.首先对荸荠运行及切削过程展开理论分析,确定关键部件结构形式与参数范围.进一步在EDEM离散元软件中以荸荠芽和根的切削力为评价指标,以锯齿旋切刀几何参数和切削速度为影响因素开展仿真优化试验,得到最佳参数组合为:锯齿底长5 mm,齿高15 mm,切削速度0.103 m/s.搭建测力平台对仿真结果进行验证,并与平刃旋切刀进行性能对比.结果表明,优化后的锯齿旋切刀可减小23.29％的切削力.基于Box-Behnken原理设计定位孔内壁优化试验,得到最佳参数条件下荸荠的斜切高度差为4.5 mm.研究结果可为荸荠芽根切除装置设计提供参考. |
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| AbstractList | S226.8; 针对荸荠芽和根切除工序复杂、效果差、切削力较大等问题,该研究设计了一种旋刀式荸荠芽根同步切除装置,借助荸荠自身重力和装置结构形式进行限位,由回转刀片组同时切除芽和根.首先对荸荠运行及切削过程展开理论分析,确定关键部件结构形式与参数范围.进一步在EDEM离散元软件中以荸荠芽和根的切削力为评价指标,以锯齿旋切刀几何参数和切削速度为影响因素开展仿真优化试验,得到最佳参数组合为:锯齿底长5 mm,齿高15 mm,切削速度0.103 m/s.搭建测力平台对仿真结果进行验证,并与平刃旋切刀进行性能对比.结果表明,优化后的锯齿旋切刀可减小23.29％的切削力.基于Box-Behnken原理设计定位孔内壁优化试验,得到最佳参数条件下荸荠的斜切高度差为4.5 mm.研究结果可为荸荠芽根切除装置设计提供参考. |
| Author | 陈立明 刘浩蓬 张国忠 康启新 刘婉茹 张清洪 |
| AuthorAffiliation | 华中农业大学工学院,武汉 430070%农业农村部长江中下游农业装备重点实验室,武汉 430070 |
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| Author_FL | Chen Liming Kang Qixin Liu Haopeng Zhang Qinghong Zhang Guozhong Liu Wanru |
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| Keywords | 旋切 定位孔 锯齿 试验 荸荠 芽根 农业机械 |
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| Publisher | 华中农业大学工学院,武汉 430070%农业农村部长江中下游农业装备重点实验室,武汉 430070 |
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| Title | 旋刀式荸荠芽根同步切除装置设计与试验 |
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