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In order to reached the requirements of precision machining,in machining process must use follower rest、flexible active thimble、space block and bracket etc fixture and assistive device. According to may appear problem on machining process, must do some with follower rest, tailstock for further improvement.

为了达到所要求的加工精度，加工过程中要使用跟刀架、弹性活络顶尖、垫块和托架等夹具和辅具，针对加工过程可能出现的问题对普通跟刀架、尾座进行改进。

Therefore, for improving the accuracy of exceed slender axle on turning,must need to do with the lathe fixture and cutting tool for further improvement. In order to reached the requirements of precision machining,in machining process must use follower rest、flexible active thimble、space block and bracket etc fixture and assistive device.

超细长轴在车削加工中承受自身重力、切削力、高速旋转产生的离心力的作用，极容易出现振动与弯曲变形现象，增大轴的几何形状误差，而超细长轴的轴向尺寸较大，直径较小，热扩散性及刚性差，受切削热作用会在轴向发生线性膨胀，若在轴向的伸长量无法得到消除，轴将受迫弯曲，从而影响轴的精度。

The speed of produce tin,the time return tin,the interval time of produce tin can be adjusted steady and with tin back adjustable features,which can reduce the waste of welding 3 the mode of produce tin mode: automatic and manual produc tin for the selection of tin (produce tin manually can match a tin foot switch or manual switch out of tin), and the number of the tin can be set 4 all of the settings using DIP switch settings, easy to operate; 5 anti-static design can avoid sensitive electronic components damaged due to static electricity and 6 optional universal bracket solder 7 simple and easy welding to reduce the welding welding achieve the desired effect of waste, improve efficiency significantly.

产品说明Product description；1）采用步进电机，出锡精确且可灵活控制。2出锡速度、出锡量、回锡时间，出锡间隔时间均可调节且稳定，且设有可调的回锡功能，以减少焊接的浪费3出锡模式：全自动出锡与手动出锡可供选择（手动出锡可选配脚踏出锡开关或手动出锡开关），且出锡次数可设置4所有设置采用拨码式开关设置，方便操作；5防静电设计，能避免敏感电子零件因静电而受损坏6可选装万能焊锡支架7焊接简单容易、减少焊接的浪费达到理想焊接效果，工作效率显著提高。

To get optimum power you will need a correct seat height, for a good initial height measure your bare foot insinc from to floor to your pelvic bone; multiply by .883 to get the approximate measurement from the bottom bracket center to the top of your saddle.

为了得到最佳输出力道，坐垫高度必须设定正确，一个设定坐垫高度的公式是

To get optimum power you will need a correct seat height, for a good initial height measure your bare foot insinc from to floor to your pelvic bone; multiply by .883 to get the approximate measurement from the bottom bracket center to the top of your saddle.

到坐垫顶的距离

Use a universal puller to separate the ball stud from the frame rail bracket.

用万能拉出器将圆头螺栓从车架横梁支架上拆下。

The timber frame structure and bracket system or dougong, the two prominent distinguishing features of classical Chinese architecture, had already taken initial shape and were widely used.

斗拱有三大作用：一、在结构上跳出承重，并将屋顶的大面积载荷传递到柱子上；二、形成独特的装饰；三、是建筑物主人身份等级的象征和建筑物等级的标准之一。

Friction discs, brake clamp body, bracket, steering Stand Etc motorcar Fitting. Valve, valve body castings, hydraulic pressure jack castings, well cover and base component etc.

主要产品有：制动盘、制动钳体、支架、转向节等汽车配件，阀门、阀体铸件，液压千斤顶铸件和窨井盖等基础件。

Its has four types, continnueains over 200 kinds, and above 60% castings are exported, friction discs, brake clamp body, bracket, steering stand etc motorcar fitting, valve, valve body castings, hydraulic pressure jack castings, well cover and base component etc.

主要产品有：CA498汽缸体铸件、制动盘、制动钳体、支架、转向节等汽车铸件，阀门阀体铸件，液压千斤顶铸件和窨井盖等通用铸件。

The down tube takes full advantage of the bottom bracket shell's 90mm width, the top and down tubes are pushed right up to the edges of the integrated head tube, and the top tube is fairly broad throughout its length.

在下管充分利用的中轴 shell 的90毫米宽，顶部和下管权推到综合管头部的边缘，而上管是其整个长度相当广泛。

According to our present broadcasting situation,the thesis proposes using new technology to update and reform the present HFC. It also suggests broadcasting using self-advantage and arranging EPON in order to win the supermarket.

论文从我国广电的现状出发，结合实际，积极倡导采用新技术更新、改造我国现有的HFC网络；倡导广电现阶段利用自身优势，部署EPON网络来赢取市场。

A new general kinetic equation was derived in which the effect of the removal of condensation water was taken into account completely, and was applied to the polyesterification kinetic study of AA/HPHP and AA/NPG. It was found that the reaction order of self-catalyzed polyesterification was not constant. For these polyesterifications, the reaction order was 2.5 at a low temperature, while 3.0 at a high temperature.

考虑缩合水的排除对反应体系的影响，用体积浓度单位推导出一个新的聚酯反应总包动力学方程，并应用到AA/HPHP和AA/NPG两个聚酯化反应的动力学研究中，研究发现，自催化聚酯反应的反应级数并不是固定值，对于AA/HPHP和AA/NPG两个聚酯化反应而言，低温时反应级数为2.5，高温时反应级数为3.0。