| 数控机床进给系统产生爬行的机理分析及消除对策 |
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| 引用本文： | 石彦华,周华.数控机床进给系统产生爬行的机理分析及消除对策[J].机电工程技术,2009,38(2):50-52. |
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| 作者姓名： | 石彦华 周华 |
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| 作者单位： | 广州番禺职业技术学院,广东广州,511400 |
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| 基金项目： | 广州市番禺区重点科技攻关计划项目 |
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| 摘 要： | 数控机床在低速进给时产生的爬行，会严重影响机床的加工精度、加工表面质量和定位精度。本文对数控机床产生爬行现象的原理及原因进行了理论分析，建立了进给系统的力学模型和数学模型，导出了振动方程。并分析了数控机床进给系统产生爬行的条件，研究了各种因素对爬行的影响，提出了解决爬行问题的几种措施。
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| 关 键 词： | 数控机床 机床进给 自激振动 爬行现象 |
Analysis on Crawl Principle of NC Machine Feeding System and the Treatment |
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| SHI Yan-hua,ZHOU Hua.Analysis on Crawl Principle of NC Machine Feeding System and the Treatment[J].Mechanical & Electrical Engineering Technology,2009,38(2):50-52. |
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| Authors: | SHI Yan-hua ZHOU Hua |
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| Affiliation: | Guangzhou Panyu Polytechnic;Guangzhoou 511400;China |
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| Abstract: | The crawl which always happen when the NC machine feeding with low speed strongly influences the precision,surface roughness and location accuracy of machine.This paper analyzes the reason and principle of NC machine crawl phenomenon,and then sets up mechanical model and mathematical model of feeding system,an oscillation equation is educed.The conditions that cause the NC machine feeding system crawl are also analyzed,finally some measures are brought forward to treat with the crawl phenomenon. |
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| Keywords: | NC machine machine feed self-excited vibration crawl |
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