杠

The mechanics model of a ball screw was developed considering the factor of lead angle,and the main curvature of the helical surface was deduced using differential geometry method,and the effect of lead angle on the elastic deformation was analyzed.

考虑螺旋升角的因素，建立了滚珠丝杠副的受力模型，应用微分几何理论推导了螺旋面的主曲率，并进一步分析了螺旋升角对滚珠丝杠副弹性变形的影响。

The design of the device using NC Lathe CA6140 control, part of the main transmission system using AC spindle motor and graded by the pulley driven spindle gearbox, through the inverter and gearbox to achieve sub; Feed System used by stepper motor driven ball screw slowdown after campaign vertical feed system through a gear after the ball screw drive, in the horizontal feed system through two gear-driven ball screw; Tool to automatically transfer tool carrier (4-position), thus achieving automatic tool change; by MCS-51 series 8051 data to be dealt with. from the I / O interface stepper pulse output signal to control the feed rate and itineraries; In order to maintain the function of cutting thread, to the outer end of spindle or other appropriate location loaded pulse generator; Lathe will be transformed into Tailstock manually controlled electric Tailstock.

本设计利用数控装置对CA6140普通车床进行控制，主传动系统部分采用交流调频主轴电动机经带轮及分级齿轮变速箱驱动主轴，通过变频器和齿轮变速箱实现分段无级变速；进给系统采用步进电机通过减速后驱动滚珠丝杠运动，在纵向进给系统中通过一级齿轮减速后驱动滚珠丝杠，在横向进给系统中通过二级齿轮减速驱动滚珠丝杠；刀架改为自动转位刀架从而实现自动换刀；通过MCS-51系列8051单片机对数据进行计算处理，由I/O接口输出步进脉冲信号控制进给速度和行程；为了保持切削螺纹的功能，要在主轴外端或其它适当部位装上脉冲发生器；将车床的手动尾座改造成为可控电动尾座。

The design of the device using NC Lathe CA6240 control, part of the main transmission system using AC spindle motor and graded by the pulley driven spindle gearbox, through the inverter and gearbox to achieve sub; Feed System used by stepper motor driven ball screw slowdown after campaign vertical feed system through a gear after the ball screw drive, in the horizontal feed system through two gear-driven ball screw; Tool to automatically transfer tool carrier (4-position), thus achieving automatic tool change; by MCS-51 series 8051 data to be dealt with.

本设计利用数控装置对CA6240普通车床进行控制，主传动系统部分采用交流调频主轴电动机经带轮及分级齿轮变速箱驱动主轴，通过变频器和齿轮变速箱实现分段无级变速；进给系统采用步进电机通过减速后驱动滚珠丝杠运动，在纵向进给系统中通过一级齿轮减速后驱动滚珠丝杠，在横向进给系统中通过二级齿轮减速驱动滚珠丝杠；刀架改为自动转位刀架从而实现自动换刀；通过MCS-51系列8051单片机对数据进行计算处理，由I/O接口输出步进脉冲信号控制进给速度和行程；为了保持切削螺纹的功能，要在主轴外端或其它适当部位装上脉冲发生器；将车床的手动尾座改造成为可控电动尾座。

The friction moment is an important usage function parameter of the ball screw unit, whose variation has effect on dynamic characteristic of ball screw unit.

摩擦力矩是滚珠丝杠副的重要性能参数，其变动量对滚珠丝杠副的动态性能有很大影响，因此对摩擦力矩的测量是滚珠丝杠副出厂检测的基本要求。

A tested prime motor is mechanically connected with a magnetic particle brake through driving steps, an instruction computer controls the output current of a power program controller, and the output current is used as the excitation current of the magnetic particle brake. A ball feed screw is arranged between a decelerator and a counterweight pan during the driving steps, and a cap nut covers on the ball feed screw. The holder of the ball feed screw is fixedly provided with a guide rail which is fixedly connected with the cap nut through a flange.

其被测试原动机通过传动环节与磁粉制动器机械连接，指令计算机控制电源程序控制器的输出电流，电源程序控制器的输出电流作为磁粉制动器的激磁电流，传动环节中在减速器和配重盘之间设有一滚珠丝杠，滚珠丝杠上套设一螺母，在滚珠丝杠的底座上固定一导轨，该导轨与螺母通过法兰固定连接。

GB screw, self-produced self-Pin (4-56) high-strength screw, lead screw 12-48 ladder deduction is deducted,·, joint mother, Cone's mother, tubes, implosion, custom-made single-head, double-headed, anchor bolts and all kinds of special pieces, quality reliable, delivery timely, available year-round spot.

国标丝杠、自产自销(4-56)高强度丝杠、梯型扣丝杠12-48、正扣、反扣、接头母、锥型母、管、内爆、订做单头、双头、地脚螺栓及各种异型件，质量可靠，供货及时，常年备有现货。

The feed rod, which contains a keyway throughout most of its length, passes through the two reversing bevel pinions and is keyed to them.

光杠上有一个几乎贯穿整个光杠的键槽，光杠通过两个转向相反并用键相连接的锥齿轮传递动力。

In the case of rotating a business card printing and membership card production after roller gear change ink position, the gear must not, and, if you want to change the rotation business card printing and membership card making roller gear, where there is no ink, ink is made up of nano-imprint lithography drum or delivery caused by 5.1 gear.

如不静弹某个制卡和会员卡制息滚筒上的齿轮后不朱杠场所有保持，则该齿轮必不退不成，给调换；如不静弹制卡和会员卡制息滚筒上的齿轮，不朱杠场所均不有有保持，则不朱杠是由压印滚筒或播纸滚筒上的齿轮引起的了。

Screw on the choice of friction loss, high efficiency, high precision, long life of the ball screw, the electrical selected stepper motor, motor and the ball screw with gear deceleration.The main to modify the lathe is to modify the portrait, horizontal enter to the system in the Whole modification process and choose the automatic knife rest and be processed the thread need by pulser. The whole control system with the CPU of JKW-15T is to control the machine for center, through a plait distance drive tool machine an equipments to carry on control to attain need of process degree.

整个改造过程主要对车床纵、横向进给系统进行改造，丝杠选用摩擦损失小，效率高，精度高，寿命长的滚珠丝杠，电机选用步进电机，电动机与滚珠丝杠用齿轮减速；刀架改造成能自动换刀的回转刀架，由脉冲发生器来加工所需要的螺纹；整个控制系统以JKW-15T型号的单片机为中心，通过编程对机床的驱动设备进行控制以达到所需要的加工程度。

What the paper studying is a part of the project of reformation of ball screw grinding machine tool of Hanjiang Machine Tools Factory. This paper introduces a on line working status monitoring and assistant failure diagnose system of ball screw grinding machine using ball screw lead error data which be acquired just after the ball screw is grinded on the machine.

本文所研究的内容是汉江机床厂滚珠丝杠磨床改造项目的一部分，介绍了一种利用在线测量获得的滚珠丝杠导程误差对丝杠磨床进行在线工况监测和诊断的方法。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！