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precision of machine tools
相关语句
  机床精度
     The quantitative relation between precision of machined elements, precision of machine tools, thermal deformation of foundation and thermal deformation of machine bed is given, the effects of workshop temperature distribution characteristics and variation on precision of machine tools are presented.
     给出了零件加工精度与机床精度、基础热变形以及机床热变形之间的定量关系; 通过试验分析了车间环境温度分布特征和环境温度变化对机床精度的影响规律,并得出相应的结论。
短句来源
     Precision of machine tools is improved,so that product quality is improved.
     机床精度得以提高,从而使产品质量也得到提高。
短句来源
  精度与机床
     The quantitative relation between precision of machined elements, precision of machine tools, thermal deformation of foundation and thermal deformation of machine bed is given, the effects of workshop temperature distribution characteristics and variation on precision of machine tools are presented.
     给出了零件加工精度与机床精度、基础热变形以及机床热变形之间的定量关系; 通过试验分析了车间环境温度分布特征和环境温度变化对机床精度的影响规律,并得出相应的结论。
短句来源
  “precision of machine tools”译为未确定词的双语例句
     Increasing Revolving Precision of Machine Tools by Means of the Choice Mate Method
     采用选配法提高机床主轴部件回转精度
短句来源
     The method was used in an application example to measure the spindle rotating precision of machine tools.
     最后给出了应用该方法测量机床主轴回转精度的工程实例。
短句来源
     Dynamic optimization design is the key to improve the machining precision of machine tools.
     机床结构动态优化设计是提高机床加工精度的关键。
短句来源
     The geometric error modeling of NC machine tools is the key technique to dynamics design, precision analysis and error compensation. It is the important step to improve the precision of machine tools.
     数控机床的误差建模是进行机床运动设计、精度分析和误差补偿的关键技术,也是保证机床加工精度的重要环节。
短句来源
     Upon the comparative analysis of plan on surface of oval knob mould cavity, the programming time and processing time can be obviously shortened, and the precision of machine tools can be completely utilized without making solid modeling.
     椭圆旋钮型腔表面经过方案的分析比较,不进行实体造型,可明显地缩短编程时间和加工时间,且能充分利用机床的精度。
短句来源
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  相似匹配句对
     the precision (c. v. )
     精密度(C.V.)
短句来源
     Precision Farming
     精准农业
短句来源
     PRECISION AND ACCURACY OF SPECTROPHOTOMETRY
     分光光度法的精密度和准确度
短句来源
     Precision and Explicitness of standards
     浅论标准的准确性和简明性
短句来源
     The Precision Analysis in the Machinery Design
     机器设计中的精度分析
短句来源
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In this paper, a convenient method of "zero line elimination one-way radial-rotary precision measuring of lathe spindle" is put forward. The radial-rotary precision of lathe spindle has been measured and moreover, the cutting experimenthas been made on the tested lathe. The correlation of the machining precision and the measured precision has been obtained. It has been proved that the machining precision of machine tools can be expressed with the measured rotary precision. The paper discusses the...

In this paper, a convenient method of "zero line elimination one-way radial-rotary precision measuring of lathe spindle" is put forward. The radial-rotary precision of lathe spindle has been measured and moreover, the cutting experimenthas been made on the tested lathe. The correlation of the machining precision and the measured precision has been obtained. It has been proved that the machining precision of machine tools can be expressed with the measured rotary precision. The paper discusses the cause of radial error formation of roller bearing spindle by using the frequency-analyzing method. It is of significance for reference in improving the present machine tools, designing new machine tools and enhancing the rotary precision of the spindle.

本文提出了“基准零线消隐-单向测量主轴径向回转精度”的简便方法,测定了车床主轴的径向回转精度,并在测定的车床上进行了切削试验,获得了加工精度与测试精度相一致的结果,证明机床的加工精度可用测定的回转精度表征。文章还进一步用频谱分析法初步探讨了滚动轴承主轴径向误差运动的成因,这对改进现有机床及设计新机床,提高其主轴回转精度,有一定参考意义。

This paper presents a new method and related equation to combine the effect of dimensions, which vary with thermal deformation, on the precision of machine tool. It proposes to appreciate thermal state precision of machine tool adopting time of precision losing control of machine tool.

本文作者提出一种新方法和方程式来综合按热变形规律变化的尺寸对机床精度的影响,并建议采用机床的精度失控时间来评价机床的热态精度。

A minimum ring-band mathematical definition :In the done ring-band, there are at least two inner points and two outer points which scatter staggeringly on the circumference. With this definition as the rule of searching calculation' s ending,a fast numerical algorithm of gaining the minimum ring-band of a closed curve was suggested:Make a ring-band with the four points scattered staggeringly,then replace the old points with new ones continuously until all the points are located within the ring-band. The method...

A minimum ring-band mathematical definition :In the done ring-band, there are at least two inner points and two outer points which scatter staggeringly on the circumference. With this definition as the rule of searching calculation' s ending,a fast numerical algorithm of gaining the minimum ring-band of a closed curve was suggested:Make a ring-band with the four points scattered staggeringly,then replace the old points with new ones continuously until all the points are located within the ring-band. The method was used in an application example to measure the spindle rotating precision of machine tools.

提出了一种最小环带的数学定义:作出的环带上存在至少二个内点与二个外点在圆周上呈交错排列,以此定义作为搜索结束的准则,给出了一种计算最小环带的数值算法:以交错排列的四点作环带,不断用新点取代旧点作环带直到所有的点都在环带内为止。最后给出了应用该方法测量机床主轴回转精度的工程实例。

 
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