对削

This paper introduced the mechanism of vibration in the process of deep hole boring ,developed a dynamic modal of the damping boring bar,optimizing the parameters of the damping system,analyzed the transient dynamic and harmonic response of the damping boring bar.

介绍了深孔镗削加工过程中产生振颤的机理，建立了减振镗杆的动力学模型，在此基础上优化减振系统的参数，并且对减振镗杆进行瞬态动力学和谐响应分析，分析结果表明该减振系统具有良好的减振性能。

Second, the use of ionizing treatment machine or instrument of the freckles to sweep spot light burning, and then there is a method of grinding cosmetic surgery is used to treat freckles.

二是采用电离子治疗机或扫斑仪对雀斑进行浅烧灼，再有一种方法是采用磨削美容术来治疗雀斑。

This paper introduces structure,working principle,force analyzing and advantage of the clamp using in cutting bearing hole of coal car whee3. A system of the ultrasonic elliptical vibration cutting with the single longitudinal animation was developed.

利用这种结构研制了一套单激励超声椭圆振动车削系统，采用PCD刀具对LY12实心件和薄壁筒工件进行了精密切削实验，实验结果表明椭圆振动切削可以大幅度降低切削力，明显改善薄壁工件的形状精度，同时工件还具有较好的表面粗糙度。

The AL-alloy deformation rule and the cutting force are studied in high-speed ball-end milling of curved surface; in this case, the cutting forces model is established by means of microelements. Through the theory analysis and experiment studies, the relationship of the curvature of machined surface and cutting forces is developed, and these establish the basis for choosing the tool path of high-speed cutting.

对高速铣削时铝合金材料的变形规律以及采用球头铣刀加工曲面时的切削力进行了研究；采用微元法建立了基于曲面加工的球头铣刀切削力模型；通过理论分析和实验研究建立了加工曲面曲率和切削力的关系，为高速切削刀具路径优选奠定了基础。

In accordance with the change pattern of the frequency composition of the cutting vibration signal and the phenomena during cutting, it has been discovered that there is a "micro-breakage stage"between normal wear stage and rapid wear stage of cutting tools with significant signal characteristics.

本文对车削加工中若干重要状态（即刀具磨损、破损和切削颤振等）的在线监测方法进行了理论探讨与实验研究。

Using application development tool Pro/Toolkit provided by Pro/Engineer and VC++, a surfrace-milling NC programming organ is created in this paper. It provides an interface with Windows style. It can obtain point cloud datum from the surface rebuild module expediently, and rebuild CAD modle with the data. Besides, it can input technical parameters from the human-computer interaction or the technical database. The data can be adjusted if it not suitable.

利用Pro/E的二次开发工具Pro/ToolKit和VC++创建曲面铣削数控程序生成器，并提供一个Windows风格的人机交互界面，能从曲面拟合模块方便地获取点云数据，并进行CAD造型，采用人机交互中或者从工艺信息数据库中传入相关加工工艺参数，如果对参数不满意，还可以进行修改。

The requirement of machining technology of aspheric surface optics parts by NC machine with Nanosys--300 aspheric surface ultraprecision compound machining system for single point diamond turning is introduced.

介绍了用金刚石单点车削的方法在&Nanosys--300非球面曲面超精密复合加工系统&数控机床上加工非球面曲面类光学零件时对加工工艺的要求。

AIM:To evaluate the milling property of electroplated diamond grinding disc s and powder metallurgy diamond discs by comparing with that of CEREC discs.

目的 ：通过与CEREC磨盘的对比，对电镀和粉末冶金方法制作的金刚石磨盘用于CEREC系统时的磨削性能进行评价。

An analysis on the mechanism of ceramic grinding with diamond wheel and Electro discharge-machining has been car ried out.

对陶瓷材料的金刚石砂轮磨削加工和放电加工机理进行了研究，并提出了机械磨—放电复合加工技术。

Fabricated machinable ceramics ZrO2/CePO4 was drilled with tungsten-cobah carbide and high-speed steel drill bits.

分别应用硬质合金和高速钢钻头对制备的可加工陶瓷ZrO2／CePO4进行钻削加工。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。