Improving CNC machine tool accuracy has received significant attention recently.
近年来，提高数控机床精度的研究得到了极大的重视。
The machining of Variable-axis NC Machine Tool is influenced by its accuracy directly.
变轴数控机床的精度直接影响着其加工能力。
Combination of machine tool has many advantages: high efficiency high accuracy and low cost.
组合机床具有许多长处：效率高、精度高、成本低。
Secondly, it increase the motion noise, limit the control accuracy of the machine tool.
其次，它增加了运动噪声，限制了机床。
With regard to accuracy studies on the variable-axes numerical control machine tool, at present, the primary attempts have been focused on accuracy analysis and static kinematic calibration.
关于变轴数控机床精度研究，目前绝大多数工作集中在精度分析和静态运动学标定方面。
The tooth side slack of the gear influences the machining accuracy of NC machine tool directly, so, taking out the slack of feed drive gearing is an important item in the machine tool rebuilding.
齿轮的齿侧间隙直接影响数控机床的加工精度，因此，进给系统传动间隙的消除是机床数控改造的一项重要内容。
The reform of digital control machine tool can bring not only a good processing accuracy but also the function of digital control machine tool to common machine tool.
通过机床数控改造使普通机床不仅具有好的加工精度，而且还具有数控机床的功能。
It will affect the accuracy of machine tool process if CNC machine tool can return home accurately or not.
数控机床能否准确回零，将影响机床的加工精度。
It offers four simple and fast methods about checking the electric fault of the machine tool from the practice in order to improve the efficiency and accuracy of the checking.
从工作实际经验出发，提出了机床电气故障检查的四种简单快速方法，以提高机床电气故障检查的效率和准确性。
The testing results showed that the rise-temperature of spindle bearings can be reduced, the thermal stability of spindle axis and the machining accuracy of machine tool can also be improved.
试验结果表明，这种热管不但能降低主轴轴承的温升，而且可大大提高主轴轴线的热稳定性，从而提高机床的加工精度。
In this paper influence of geometric excentric ball track of rolling bearing of spindle of machine tool on machining accuracy of workpiece is discussed.
文章讨论了机床主轴滚动轴承滚道的几何偏心对工件加工精度的影响。
In addition to high demand on tools, the high-speed, -efficiency and -accuracy nc machine tool also has high requirement on tool clamping system.
高速、高效、高精度的数控机床除了对刀具有相应的要求外，对刀具夹持系统也有很高的要求。
The position accuracy of machine tool is directly affected by the servo-control method which should be properly selected to ensure the high position accuracy of a CNC system.
伺服控制方法是影响机床定位精度的关键因素之一，要保证数控系统的高定位精度，应采用合理的伺服控制方法。
And the static and dynamic systems of Servo system affect positioning speed, positioning accuracy and machining accuracy of numerical control machine tool directly.
而伺服系统的静态、动态性能直接关系数控机床的定位速度、定位精度和加工精度。
The better moving stability, the higher positional accuracy and the 5-axis machining of the proposed machine tool have been proved by the experiment.
加工试验表明，该机床具有良好的运动稳定性和较高的位置精度，可实现5坐标加工。
The deformation of spindle unit of machine tool affects processing accuracy of the spindle.
机床主轴单元的变形影响主轴的加工精度。
This text mainly launches a discussion to these three aspects, for raising a number to control tool machine position accuracy to provide a basis.
本文主要对这三方面展开讨论，为提高数控机床位置精度的测定提供了可靠的方法。
The process of NC machining directly affects the machining quality. Several measures were presented in order to use NC machine tool efficiently and improve NC processing accuracy.
数控加工中的工艺直接影响加工质量，为高效地使用数控机床，提高数控加工质量，必须采用相应的措施。
The technology of the errors compensation of the machine tool may advance the manufacturing accuracy in the case of not adding greatly the cost.
利用机床误差补偿技术可以在成本投入不大的情况下提高加工精度。
This paper deals with the theoretical and experimental investigation concerning the improvement of NC machine tool contouring accuracy by means of microprocessor-based control scheme.
本文提出了采用微处理机控制，提高NC机床成形精度的理论模型与实现方案。
Experimental results show that the new system is very effective to improve upon the contoured accuracy of CNC machine tool.
结果表明，该方法可以有效提高cnc机床的成形精度。
The crawl of CNC machine tool at low speed feeding is very harmful to the machining accuracy and surface quality.
数控机床在低速进给时，产生非匀速爬行，对加工精度和工件表面质量非常不利。
The traditional positioning accuracy detection method of feed shaft for numerical control(NC) machine tool exists low accuracy, method obsolete and poor measurement repeatability.
传统的数控机床进给轴定位精度的检测方法，存在精度低、方法落后、检验重复性差等缺点。
CNC system is an important component of machine tool automation, and the capacity directly affects the machining accuracy, efficiency and the benefit of the production enterprise.
数控系统是机床自动化的重要组成部分，其性能直接影响到加工的精度、效率及生产企业的效益。
The result of experiments indicates that improvement of geometric positioning accuracy of CNC machine tool of Spiral Bevel Gear can improve machining precision of gears.
实验结果表明，螺旋锥齿轮数控机床的几何精度提高，其齿轮加工精度也提高。
The effective factors on working accuracy of economical NC machine tool have been summarized in this paper.
概述了影响经济型数控系统工作精度的因素。
The turning accuracy of machine tool spindle and grinding process system are also analyzed in the paper to guarantee the grinding accuracy and cutting accuracy of the whole machine material.
为了保证磨削精度和整机试料切削精度，本文还对主轴回转精度及磨削工艺系统进行了分析和探讨。
The price of ball-screw with high accuracy is very high. Using high accuracy lead-screw in the common NC machine tool to ensure the processing-accuracy will increase operating costs.
高精度的滚珠丝杠价格较高，因保证加工精度而在普通的数控机床中使用高精度的丝杠会增加生产成本。
This method is especially suitable for 2(1/2)-axis NC machine tool path control system, because of easy calculation and excellent dynamic accuracy.
这种方法计算简便，动态精度较高，特别适用于2（1／2）座标的数控机床轨迹控制。
This method is especially suitable for 2(1/2)-axis NC machine tool path control system, because of easy calculation and excellent dynamic accuracy.
这种方法计算简便，动态精度较高，特别适用于2（1／2）座标的数控机床轨迹控制。
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