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《international journal of machine tool and Manufacture》(图)
international journal of machine tool and Manufacture
2013/10/8
The International Journal of Machine Tools and Manufacture is devoted to advances in scientific understanding of essential mechanics of processes and machines applied to the manufacture of engineering...
Experimental Investigation of Capacity Control Scheme on System Performance for a Machine Tool Cooler
machine tool cooler hotgas suction regulation capacity control
2011/8/4
Highly accurate manufacture in machining industry can only be obtained with precise temperature control of the coolant (oil or water). Machine tool with more accurate, stable and advanced the precisio...
考虑摩擦和间隙影响的机床进给伺服系统建模与分析(Modeling and Analysis of Machine Tool Feed Servo Systems with Friction and Backlash)
机床 进给伺服系统 摩擦
2010/12/28
进给伺服系统的性能对数控机床的跟踪及定位精度、加工质量等有着重要的作用。摩擦和间隙的非线性会导致系统的爬行、振荡等不稳定行为。针对闭环控制的直联式进给伺服系统,建立了考虑摩擦和间隙的综合力学模型和数学模型。研究了低速进给条件下摩擦和间隙非线性对工作台输出的影响,得出了工作台产生爬行现象的几种可能条件,并给出消除进给系统爬行现象的几种常见措施。所得结论为进给伺服系统的优化设计和性能预测提供了理论支持...
基于回转车床的正多面体车削及刀尖轨迹仿真(Simulation on Regular Polygon Forming and Locus of Knifepoint Based on Rotary Cutting Machine Tool)
正多边形 回转车削 边长 直线度 仿真
2009/12/28
通过对一种正多边形回转车削简易装置的分析,阐述了正多边形回转车削成形原理,并建立了刀尖相对于工件的轨迹方程。在此基础上论述了正多边形边长误差的产生及修正,并对其直线度误差的产生作了较详细的分析,为保证回转车削多面体零件的精度提供了理论依据,提高了多面体加工的效率。使用VB语言编程对刀尖轨迹进行了动态仿真,从仿真得到的刀尖轨迹曲线,更好地证明了正多边形轨迹在回转车床上的实现。
五面加工混联机床概念设计(Conceptual Design of a Novel Hybrid Machine Tool with Five-face Machining Capability)
混联机床 3-PRS主轴部件 X-Y并联驱动平台
2009/9/25
提出一种五面加工的六轴混联机床的设计方案。以典型刀具和工件加工时的相对运动要求为输入,得到刀具和工件的位姿关系矩阵,用机床的串并联运动功能模型实现了刀具和工件的位姿关系。六轴混联方案中,主轴部件一侧采用可实现Z轴移动和A及B摆动轴进给的少自由度3-PRS并联机构,工作台一侧采用X-Y并联驱动和C轴数控转台的串联机构。安装在3-PRS并联机构动平台上的主轴部件通过倾斜布局、合理构件(组件)设计使刀具...
机床误差对螺旋锥齿轮齿形的影响规律(Effect of Machine Tool Errors on the Tooth Form of Spiral Bevel Gears)
螺旋锥齿轮 机床误差 齿形 理论齿面
2009/8/11
基于螺旋锥齿轮齿面分析的数学模型,采用最优化算法和一种新的计算齿形误差的方法,计算了误差齿面与理论齿面在理论齿面法线方向的齿形误差。通过引入机床调整误差和刀具参数误差,分析了各种误差对螺旋锥齿轮齿形的影响规律,以图形的方式表示了误差齿面相对于理论齿面的偏离方向以及误差值的大小,为机床的精度设计、齿形误差的修正以及指导实际加工提供了理论依据。通过实际的磨齿加工和检测对算法以及分析结果进行了验证。
Analytical determination of the position loop gain for linear motor CNC machine tool
Numerical techniques CNC machine tool Linear motor servo drive
2010/2/8
Purpose: One of the most important factors which influence on the dynamical behavior of the linear motor servo drives for CNC machine tools is position loop gain or Kv factor.
Design/methodology/appr...
Precise modelling of HSC machine tool thermal behaviour
Manufacturing Machine tool Modelling Thermal behaviour
2010/2/10
Purpose: The development of precision machine tools requires modelling, simulation and optimization, especially the accurate modelling of machine tool thermal behaviour aimed at improving the machine ...