粗糙表面

The results show that the effects on surface roughness are feed speed, depth of cutting , tool rake angle and parts hardness in turn.

结果表明：工件进给速度对表面粗糙度的影响最大，切削深度和刀具前角次之，工件硬度影响最小。

This paper studies the influence of eletrical parameters on the cutting rate and surface roughness of the cutting compound material SiC p/LY12 in wire cutting electric discharging machining and analysed the surface features of cutting with SEM.

研究了电参数对电火花线切割加工SiCp/LY1 2复合材料的切割速度和表面粗糙度的影响；用扫描电镜分析了复合材料线切割加工表面的SEM形貌。

Wire cutting electric discharging machining ; compound material of SiC p/LY12; surface roughness ; cutting rate

电火花线切割加工； SiCp/LY12复合材料；表面粗糙度；切割速度

Diamond Dresser ; Dressing Parameters ; Dressing Rate ; Surface Roughness

中文关键字钻石修整器；修整加工参数；修整率；表面粗糙度

It is verified that the surface roughness and turning force are improved by using diamond tool.

证实用金刚石刀具车削硅铝合金可以获得优良的表面粗糙度和小的切削力。

At the same time growing the company to introduce a large number of high-tech professionals, now has precision CNC lathes, precision automatic lathe, automatic lathe go core, instrument lathe, punch press, grinder, drill press, milling machine and projector, hardness tester, surface Rough instrument, such as advanced production processing equipment and quality testing equipment.

公司在壮大的同时引进了大批高精尖的专业人才，现拥有CNC精密车床、精密自动车床、走芯式自动车床、仪表车床、冲床、磨床、钻床、铣床及投影仪、硬度测试机、表面粗糙仪等先进的生产加工设备和质量检测设备。

The released species may facilitate and accelerate their detachment and diminish the initial elastic range of bone cement. This may create loosening or shrinking effect on the inserted stem. A conclusion for both behaviors suggest that a variation of relative and dynamic interface in use.

在骨泥与钛金属之长时间微幅运动作用下，骨泥材料受到压力、微幅运动及摩擦热的影响，其表面出现残屑堆积、热软化压平等现象，使得骨泥与钛金属界面产生滑移，进而产生残屑及粗糙度的改变。

Based on the theory of thermal emission polarization and the method of thermal emission polarization detection, the relation between the surface roughness of aluminum and steel plates and their degree of linear polarization of the thermal emission was studied by using a kind of thermal imaging polarimeter.

中国科学院安徽光学精密机械研究所遥感研究室，合肥 230031根据热红外偏振的原理和探测方法，利用一种热红外偏振探测系统分别研究了铝质和钢质金属板热红外偏振度和其表面粗糙度之间的关系。

The reason why the abrasives with different hardness has different polishing behavior is analyzed.

解释了在相同的抛光条件下不同硬度的纳米磨料具有不同的抛光表面粗糙度的原因。

Through theoretical analysis and according to experimental re- suits,this paper proves the technology of extrusion grinding and polishing and then ultrosonic cleaning of aluminium profile extrusion dies after electro discharge ma- chining to be an ideal precision grinding technology.

本文通过理论分析和实验结果，证明了对经电加工后铝型材挤压模具工作带进行挤压珩磨抛光和超声波清洗是理想的精密研磨技术，有效地去除了变质层和残余应力，表面粗糙度小于 Ra=0.4μm，满足了该模具 PCVD TiN 的工艺要求。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。