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time varying spindle speed
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  “time varying spindle speed”译为未确定词的双语例句
     This paper deeply researches on the changes of the cutting vibration response variance σ2 versus the spindle speed n, and develops a rapid recognition method of the stable cutting spindle speed by time varying spindle speed cutting.
     本文在研究机床切削系统振动响应方差σ~2值随机床主轴转速n变化规律的基础上,提出采用在线连续改变机床主轴转速的方法快速识别稳定切削转速,其要点为:1、对切削颤振征兆进行监测;
  相似匹配句对
     TIME-VARYING TOPOLOGY
     时变拓扑
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     TIME
     同步辐射时间分辨荧光光谱技术
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     Time
     时间
短句来源
     ON MECHANICS OF TIME-VARYING STRUCTURES
     论时变结构力学
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     The Concepts of Spindle
     有关主轴的一些基本概念
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This paper deals with the computer aided monitored control of machine tool chatter. The characteristic variable ξ is proposed as a monitoring parmeter to predict the chatter. Once the value of ξ has exceeded the predetermined control threshold, an alarm signal may be sent from monitoring unit to control unit. In this paper, a special control strategy with a time-varying spindle speed of machine tool is applied to controlling the chatter in its early stage.

本文主要讨论机床颤振的计算机辅助监控问题。文中提出以特征量ξ做为机床颤振的监测参数,当ξ值超过预先设定的控制门限值时,计算机监测单元即向控制单元发出警报并采用一种特殊的变速控制策略抑制颤振于孕育之中。

>=This paper deeply researches on the changes of the cutting vibration response variance σ2 versus the spindle speed n, and develops a rapid recognition method of the stable cutting spindle speed by time varying spindle speed cutting. Its main points are : 1. to monitor the cutting chatter omen continuously, 2. once discovering that the cutting process has developed a chatter omen , the control system immediately adjusts the spindle speed from low to high at a certain range of spindle...

>=This paper deeply researches on the changes of the cutting vibration response variance σ2 versus the spindle speed n, and develops a rapid recognition method of the stable cutting spindle speed by time varying spindle speed cutting. Its main points are : 1. to monitor the cutting chatter omen continuously, 2. once discovering that the cutting process has developed a chatter omen , the control system immediately adjusts the spindle speed from low to high at a certain range of spindle speeds , let the machine tool cutting process operate in time varying spindle speeds and calculates the real time measured values of the vibration response varianceσ2 and compares them with the control threshold value {σ2 } ; 3. once presenting the condition of σ2

本文在研究机床切削系统振动响应方差σ~2值随机床主轴转速n变化规律的基础上,提出采用在线连续改变机床主轴转速的方法快速识别稳定切削转速,其要点为:1、对切削颤振征兆进行监测;2、一旦发现切削过程中有即将产生颤振的征兆时,控制系统随即使主轴转速在包括现行转速在内的某一不大的转速范围内由低到高连续调整,实时计算切削振动的响应方差σ~2值随主轴转速n变化的实测值,并与预先设定的稳定切削主轴转速识别门限值{σ~2}相比较;3、一旦出现σ~2≤{σ~2}的情况,便立即停止改变主轴转速,与σ~2≤{σ~2}相对应的主轴转速就是所要识别的稳定切削主轴转速。试验在普通车床上进行,试验结果表明,稳定切削转速的识别可以在1秒时间内完成。

 
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