• 适应滑模控制方法可适应控制高速进给传动

    An adaptive sliding mode control technique is presented for the control of high speed feed drives.

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  • 本文首先建立数控龙门铣床进给传动数学模型

    In this paper, in the first place the mathematical model of the feed drive system of the NC planer type miller is built up.

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  • 本文出了数控机床进给传动系统多自由度动力学建模方法

    In this paper a kind of multi-freedom dynamic modeling method of numerical control machine tool feeding transmission system is introduced.

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  • 数控机床进给传动系统设计一般根据系统的要求,对各个部件行单独设计。

    When a feeding transmission system of NC machine tools is designed, its components are usually designed separately according to their specifications.

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  • 文中分析了进给传动链的瞬态响应稳态误差以及加于传动链上的动对加工精度影响

    In this paper, it is researched that the transient response, the static accuracy and the disturbance exert an influence on the working accuracy.

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  • 传动:三进给采用交流伺服电机驱动精密滚珠专用丝杆轴承支承提高了机床进给运动刚性精度

    Feed transmission: using AC servo motor to drive the precise ball screw sets that supported by special ball screw bearing, which improves the rigidity and precision of feed movement.

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  • 通过XA 5032铣床改造方案分析进给传动系统设计计算,应用W A-21M数控系统,完成铣床的数控化改造。

    Through plan analysis of XA5032 milling machine transformation and design calculation of feeding transmission system, by adopting WA-21M NC system, NC transformation of milling machines is completed;

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  • 按照优化设计理论,在CA614 0车床数控改造过程中进给传动系统行整体优化设计研究得到系统最优目标下主要参数

    Basing on the methods of the optimum design, this paper designs the feeding transmission system for rebuilding numerically CA6140 lathe, and obtains the primary parameters of the system.

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  • 分析了强力切削交流伺服进给系统各组成环节作用机械传动装置部分建立了模型

    This paper analyzed AC servo heavy cutting feed system component parts and their actions, and built model about mechanical transmission equipment section.

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  • 齿轮齿间隙直接影响数控机床加工精度因此进给系统传动间隙的消除机床数控改造的一重要内容。

    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.

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  • 伺服进给系统综合拉压刚度伺服驱动系统刚度机械传动系统刚度组成,其各自多项因素的影响。

    Servo feed system comprehensive pull-pressing rigidity is made up of the rigidity of servo drive system and the rigidity of mechanical transmission system, and each is affected by multiple factors.

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  • 主要叙述数控系统传动设计主要传动件滚珠丝杠及其支承的设计计算。

    It specifies the driving design and important driving accessory -ball bearing and it, s bearing of the entering system of NC machining center.

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  • 数控强力切削进给伺服系统中,机械传动系统电气调速系统具有扭矩反馈作用,容易形成机械谐振。

    In CNC heavy cutting servo system, mechanical drive system has a torture feedback on electrical speed-adjustment system, thus it's possible to generate the mechanical resonance.

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  • 通过数值仿真分析低速进给摩擦力差值传动刚度变化工作台输出影响,得出工作台产生爬行运动的可能性条件。

    And the influences of the variance of the static and kinematic friction and the transmission stiffness on the outputs of the worktable were analyzed with numerical simulations.

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  • 控制系统利用微机对纵、横系统开环控制,驱动元件采用直流步电机,传动系统采用滚珠

    The step_motor drives the ball guide screw to rotate after receiving the instruction issued by the computer.

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  • 龙门移动式镗铣床同步传动不一致性问题行研究,用直线电机作为龙门柱纵向传动机构

    The noncoincidental problem of synchrodrive for gantry moving milling machines is studied. Two linear motors are applied as traversing drive mechanism of gantries.

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  • 该机采用独特偏心轮传动结构自动进给纸板长度调节方便不但裁切速度而且精度高

    This machine adopts special eccentric wheel driving mechanism. It has the features of automatic cardboard feeding, convenient length adjustment, fast slitting speed and high working precision.

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  • 该机采用独特偏心轮传动结构自动进给纸板长度调节方便不但裁切速度而且精度高

    This machine adopts special eccentric wheel driving mechanism. It has the features of automatic cardboard feeding, convenient length adjustment, fast slitting speed and high working precision.

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