The application of multi-layer neural networks in the prediction and control of lead-screw grinding is discussed.
最后，介绍了多层神经网络模型在丝杠螺纹磨削过程的预测与控制中的应用。
This simple but accurate method is useful in machining a ball-lead-screw, especially when no dimensional numerical-control milling machine is available.
这种方法比较简单可靠，尤其是对于缺少三座标数控铣床设备的工厂，制作滚珠丝杠付加工回珠槽时，可供参考。
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。
Three types of adjustable turning rolls: manual lead screw adjusting, manual bolt shifting and electric sliding plate shifting.
三种可调式滚轮架：手动丝杆可调式、手动螺栓移位式和电动滑板移位式。
Three mutual engagement of the screw in the pump cylinder for each lead of the formation of a sealed chamber, causing the seal between the suction mouth.
三根互相啮合的螺杆，在泵缸内按每个导程形成为一个密封腔，造成吸排口之间的密封。
This equation is useful in determining the kinematic linkage between the lathe spindle and the lead screw and enables proper selection of the gear train between them.
这公式在决定车床心轴和丝杆之间的运动学关系时很有用，并且提供了正确挑选它们之间轮系的方法。
The rotating speed of antenna is low when the antenna is driven by lead screw.
传动链末级采用丝杠传动的天线转速较低。
The precision and performance index of ball screw unit determine the positioning accuracy and the resetting accuracy of nc machines, especially its lead error.
它的精度和各项性能直接影响数控机床的定位精度和重复定位精度，特别是滚珠丝杠的导程误差对机床定位精度的影响最为明显。
As previously mentioned, the axial feed is automatically generated when cutting a thread by means of the lead screw, which drives the carriage.
如前所述，当依靠驱动大拖板的丝杆切削螺纹时轴向进给是自动产生的。
In this design, the lead screw and stepper motor assembly of the connection, as well as the painting is an important place.
在这个设计中，丝杠与步进电动机的连接以及装配图的绘画都是重要的地方。
Abstract: the system USES a gear reducer, drives the lead screw drive, And nut straight through mobile workbench movement.
摘要：本系统采用一级齿轮减速，带动丝杠传动，通过螺母的直线移动带动工作台运动。
The crank handle is rotated to lead a screw to rotate through an umbrella wheel.
转动摇把，通过伞轮使螺杆转动。
Optical fiber winding was a important technique in optical fiber guided missile, and lag Angle controlled by lead screw subsystem was a key factor in optical fiber precise winding.
光纤自动精密缠绕是导弹光纤制导中的一项重要技术，其中滞后角是光纤精密缠绕中的关键因素，滞后角的控制是通过丝杠子系统来完成的。
The reformation of the horizontal mechanism: we make the horizontal ball lead screw instead of the conventional screw. And Stepper motor drives the screw.
横向进给机构的改造：拆除横向丝杠换上滚珠丝杠，由步进电机带动。
After the instrument is demarcated, it can be used to measure the no load twisting moment of the ball lead screw and its variation.
该仪器标定后，即可测出滚珠丝杠的空载扭矩及其变化量。
Summary and Background Data. Recent technical developments lead to a minimization of pedicle screw fixation techniques. However, the use of navigational techniques is still under controversy.
背景资料摘要：近来技术的进步使得椎弓根螺钉固定技术越来越微创化。但是，导航技术的使用仍然存在争议。
Rail positioning: USES the lead screw linear guide center positioning, dial scale regulation and positioning is fast, accurate and convenient.
轨道定位：采用丝杠直线导轨中心定位，刻度盘调节定位快速，准确，方便。
The concept of minimum limit push lead (MLPL) in the design of varying pitch screw is introduced and a comprehensive theoretical analysis is carried out.
提出了不等距螺旋设计中的最小极限推程问题，并进行了全面的理论分析。
Cold beating lead screw plays the role of high-speed relative motion in the way of high-speed blowing shaft blanks, so that local plastic deformation forms a non-chip metal forming technique.
丝杠冷打是在工具和丝杠高速相对运动中，以高速断续的方式击打丝杠轴坯，使丝杆轴坯局部塑性变形形成丝杠螺纹的一种无屑塑性成形技术。
Based on the stress wave theory, stress wave model of lead screw cold roll-beating is built, stress wave transfer rule is obtained and the speed of stress wave is calculated.
以应力波理论为基础，建立了丝杠冷滚打的应力波模型，获得了滚打过程中应力波的传播规律及传播速度。
Metal flow of lead screw cold roll-beating process is analyzed, and metal flow's law of minimum resistance is verified.
分析了丝杠冷滚打过程中金属的流向，验证了金属流动最小阻力定律。
The utility model essentially consists of essential parts of a rotating lead screw, trapezoid nuts, a clamp body, a movable clamp body and a clamp block, etc.
本实用新型由转动丝杠、梯形螺母、钳身、活动钳体、钳座等主要零部件组成。
Screw augmented with bone cement or replaced with thicker, longer screws or special screws (hollow screw and expandable screw hole) can lead to increase in the absolute value of screw stability.
骨水泥加强或更换较粗、较长螺钉或使用特殊螺钉可以使螺钉稳定性绝对值增加。
The utility model relates to a bi-directional gad tong with a trapezoid lead screw and pertains to a machining tool used for replacing an old gad tong (commonly known as a vise).
双向梯形丝杠平口钳为一种机械加工工具，用来代替老式平口钳（俗称虎钳）。
Working principle of speed change box sliding table is the longitudinal motion on the bed. Because the lead screw drive, couple with the function of gear box.
变速箱式滑台工作原理是滑板在床身上做纵向运动，因其丝杠传动，再加上变速箱的作用。
This paper presents a high efficient process method of a steep lead tread of coupling screw and studies the profile accuracy by using electronic computer and arrives at the profile error curve.
介绍了一种大导程波形联结螺纹的高效加工方法，借助计算机进行了螺纹牙形的精度分析，得出了齿形误差曲线。
The result of grinding the ball lead screw shows the error compensation accuracy of the system can be increased effectively by using this method.
磨削加工结果表明，应用该方法可有效提高系统的误差补偿精度。
When the lead screw rotates a single revolution, the carriage travels a distance equal to the pitch of the lead screw.
丝杆旋转一圈，大拖板就行进等于丝杆节距的一段距离。
When the lead screw rotates a single revolution, the carriage travels a distance equal to the pitch of the lead screw.
丝杆旋转一圈，大拖板就行进等于丝杆节距的一段距离。
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