An Approach for Application of Drive at Center of Gravity in a Vertical Machining Center

An Approach for Application of Drive at Center of Gravity in a Vertical Machining Center
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立式加工中心重心驱动的应用方法

DOI:
10.4028/www.scientific.net/amr.299-300.974
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发表时间:
2011-07
期刊:
Advanced Materials Research
影响因子:
--
通讯作者:
徐志祥
徐志祥
中科院分区:
其他
文献类型:
--
作者:
关晓勇;张伟;徐志祥

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重心驱动(DCG)进给原理在抑制振动、提高加工稳定性方面起着重要作用。但在重心位置不断变化的情况下,其应用非常困难。本文阐明了双驱动系统并不是解决DCG应用的唯一最佳方案,而驱动力方向的选择是减少振动的关键。结合反平衡法,证明单驱动系统是对基于DCG的设计规则的有益补充。通过对某模具加工中心的精度评定,验证了这些准则的合理性。
Drive at Center of Gravity (DCG) Feed Principle plays an important role in suppressing the vibration and improving machining stability. But its application is very difficult while the position of gravity center changes constantly. In this paper, it is clarified that twin drive system is not exclusively optimum for solving the application of DCG, and that the choice of driving force direction is critical for reducing the vibration. Combining the method of counter balance, single drive system is proved to be valuable supplement for the design rules based on DCG. These rules are proved to be reasonable by accuracy evaluation for a die and mould machining center.
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