Polishing相关论文
Precision is one of the most important aspects of manufacturing. High precision creates high quality, high performance, ......
通过在石英玻璃的抛光过程中引入α-Al2O3颗粒,对抛光过程中石英工件表面产生的划痕类型和收尾阶段不同粒径杂质颗粒产生的划痕长......
采用热弹性模型, 对光学薄片点胶过程进行了有限元分析。对点胶后影响工件面形变化(Δp)的工艺参数进行了优化。研究结果表明, 对......
全口径环形抛光中方形元件的材料去除率存在从中心到边角位置越来越大的现象,致使抛光工件出现塌角的面形,影响了方形光学元件的面......
为了研究不同杂质颗粒物对划痕的影响及其大小与划痕形貌之间的关系,在钕玻璃抛光过程中分别引入三种尺寸的金刚砂、氧化铈团聚物和......
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A signal processing method for the friction-based endpoint detection system of a chemical mechanical polishing(CMP) proc......
A ball grid array (BGA) package based on Si interposer with through silicon via (TSV) was designed. Thermal behaviors of......
The planarization mechanism of alkaline copper slurry is studied in the chemical mechanical polishing (CMP) process from......
Firstly, this paper presents an orthogonal test of six factors and five levels, called the chemical mechanical polishing......
Beyond 45 nm, due to the superior CMP performance requirements with the metal gate of aluminum in the advanced CMOS proc......
For the purpose of solving the problem that too large pole tip recession (PTR) is produced in magnetic rigid disk beads ......
To improve polishing quality and cope with the shortage of skilled workers for aluminum wheel-hub surface polishing, an ......
The market of stainless electric steel kettles is growing significantly, but the main mechanism for polishing kettles vi......
That tube of toothpaste you have sitting by the sink does more than just keep your teeth clean, bright and white. In fact......
【Abstract】High school English learning is the basic English language foundation polishing for high school students bef......
A real-time monitoring system is set up based on a computer, dynamic interferometer, beam expanding system,and a beam re......
目的 探讨前弹力层抛光治疗角膜外伤后诱发的复发性角膜上皮糜烂综合征的疗效.方法 使用巩膜隧道刀对角膜外伤后诱发的角膜上皮糜......
Highly cube textured Ni tapes are produced by heavy cold rolling and recrystallization annealing. The textured nickel ta......
对国内外铝基复合材料的发展状况进行了分析和阐述,结合现阶段航天及兵器领域对轻质反射镜部件的使用要求,通过选用新型SiC/Al复合......
光学技术对于现代科学尤其是航天科学的发展起着越来越重要的作用。而具有高精度大口径光学元器件的跨尺度加工一直是现代光学技术......
目的:探讨不同抛光处理方法对烤瓷表面粘结的托槽去除后,瓷表面抛光后粗糙度的影响。方法:采用不同方法粘结托槽:A组(氢氟酸+陶瓷......
Surface roughness of zirconia for full-contour crowns after clinically simulated grinding and polish
The aim of this study was to evaluate the effect of controlled intraoral grinding and polishing on the roughness of full......
Polishing is an important finishing process in die and mold manufacturing. Hand polishing takes long time and much labor......
多模式组合抛光大口径光学元件是提高加工效率和加工精度的有效方法。作为加工系统的重要组成部分,抛光机械手的设计是实现多模式......
采用电解-机械复合抛光工艺处理某压缩机45钢曲轴,以改善其表面粗糙度。通过单因素试验和正交试验对电解-机械复合抛光工艺进行优化......
Chemical vapor deposited(CVD) diamond film has broad application foreground in high-tech fields.But polycrystalline CVD ......
With Al2O3 and SiO2 as polishing medium, under different polishing conditions, e.g. with different polishing pressure, p......
Instead of manual polishing work for aluminum wheel hub (hub) surface, a new planetary scroll surface polishing method b......
The characteristics of magnetorheological finishing (MRF) technique such as the behavior of magnetic particles and the m......
Nanoindentation is an attractive characterization technique,as it not only measures the local properties of a material b......
建立了面向复杂光学表面的大气等离子抛光系统,并用该系统进行硅片表面加工的实验研究。研究了CF4、SF6两种气体的放电特性以及加......
连续生物制造是生物制药的发展趋势,其中连续流层析是关键环节。作者根据近年来国内外连续流层析的研究进展,着重介绍了产物捕获和......
目的自激振荡脉冲磨粒流抛光方法主要应用于型腔零件内表面的抛光,为进一步增强抛光液的自激振荡脉冲特性,以提高抛光效率,提出一......
目的研究抛光工艺中转速对氧化锆色差、光泽度、表面粗糙度的影响.方法用同一色号的氧化锆盘切削并烧结出60圆盘试件,并随机分为90......
采用石蜡和微晶蜡为原料,经催化氧化反应研制出氧化蜡,其质量和性能与天然巴西棕榈蜡相似。在表面活性剂的作用下,以氧化蜡为原料,水作......
磨头的工作函数是数控小磨头抛光工艺中的一个基本函数,有必要认真研究并确定其形状,优化其参数。在已有的圆形磨头的数学模型及工作......
根据光学玻璃元件超精密加工技术的需求,研究自旋转式和行星旋转式磁性复合流体(MCF)抛光的应力分布和材料去除率.首先,设计可实现自......
介绍了PVA砂轮的特点、机理和生产工艺,并举出了许多PVA砂轮在军工系统和其它方面应用的具体事例。PVA砂轮对不锈钢、软钢、铝、锌......
分别采用固结磨粒刃磨与游离磨粒刃磨的方法对PDC(Polycrystalline Diamond Compact)刀具进行了刃磨试验,利用扫描电镜观察了采用2种......
道岔钢轨的平顺性直接影响着列车的行驶速度和行驶的平稳性,因此,论文基于多年的工作经验,针对工作过程中道岔钢轨焊接接头打磨技......
在对轴承内圈滚道进行抛光时要用到抛光心轴,原抛光心轴为一体结构,使用时主要用前部锥面,如磨损后则整体报废,浪费很大。针对以上......
该设备由于长时间使用内壁有腐蚀和创伤面挂胶现象严重,达不到工艺要求,需要罐体内壁整体抛光,本文围绕聚合釜抛光的具体操作步骤,......
通过进抛光机的大米流量与主电机电流存在一定的线性关系,研发一种实时流量智能控制大米抛光机。本文详细介绍了它的工作原理、结......
针对具有复杂曲面的巴氏合金模具的难抛光、低效率等问题,在数控机床上将电解加工和机械抛光相复合,对模具型腔进行高效抛光,获得......
提出了一种利用等离子体弧抛光CVD金刚石膜的新工艺。通过试验,对其抛光机理作了初步探讨,并对试样进行了实际抛光。结果表明,用等离......
通过对激光陀螺腔体深小孔钻削过程的材料去除机理分析和试验验证,给出了孔壁缺陷的评价方法。研究了某型激光陀螺腔体深小孔钻削过......
从理论上分析了存在直线度误差的镍电解槽导电铜管的稳定无心抛光极限条件,推导出了与重心回转角无关的稳定抛光条件,得出了在不同......