磁流变抛光

最后给出了磁流变抛光材料去除的规律。

At last , the material removal rules of MRF have been given in the paper .

磁流变抛光技术是一种可以精确控制去除量的确定性抛光方法。

MRF ( magnetorheological finishing ) is a way to accurately control the removal rate of deterministic polishing method .

根据Bingham介质的流体动力学润滑模型，利用超松弛迭代数值算法，建立了磁流变抛光的材料去除的数学模型，其理论模型与试验结果吻合良好。

Deduced from the hydrodynamic lubrication theory of the Bingham plastic flow , the material removal model of MRF is established . The reliability of the model is verified by the experiment .

机床定位精度对磁流变抛光的影响分析电热抛光机，烫光机

Research on Positioning Precision of Machine Tool Impacting on Polishing Process

环带式磁流变抛光加工石英光学零件实验分析

Experiment and Analysis on Processing Quartz Glass Optical Parts by MRF

基于灰色预测控制的磁流变抛光液循环控制系统

Circulatory system for MR fluid based on gray forecast control algorithm

磁流变抛光中的磁场与磁流变液缎带成型分析

The Analysis of Magnetic Field and Ribbon Forming in MRF

其次研究了磁流变抛光的机理。

Secondly , the mechanism of MIRE is studied .

磁流变抛光工艺参数的正交实验分析

Orthogonal experiment and analysis on polishing parameters of MRF

同时根据设计的结构，组装好小型磁流变抛光装置。

According to the structural design , small magnetic rheological polishing device has assembled .

针对大尺寸工件的抛光加工特点，设计了倒置式的磁流变抛光装置。

The inverted device for the magnetorheological finishing was designed aiming at the huge dimension parts .

合理的磁路结构及磁场强度是决定磁流变抛光效果的关键所在。

The rational magnetic circuit configuration and magnetic density are crucial factors in magnetorheological finishing ( MRF ) .

随着人们对超精密抛光技术的深入研究和超光滑检测技术水平的提高，磁流变抛光技术以其优越的性能越来越受到广泛重视。

With the people-depth study of ultra-precision polishing technology and the increase of the level of detection of ultra smooth .

然后以平面工件的磁流变抛光为例，揭示了工艺参数对材料去除率和表面粗糙度的影响规律。

As an example of plane workpiece , the influences of machining parameters on removal rate and surface roughness in MRP are studied .

通过实验验证设计的可行性，为后续小型磁流变抛光装置的研制奠定了一定的基础。

For the design of the subsequent small magnetic rheological polishing device laies a certain foundation , through experiments verify the feasibility of this design .

根据计算机控制磁流变抛光的去除机理，分析了抛光工艺软件的去除算法核心问题即求解驻留时间函数和加工路径设计。

Based on the mechanism of magnetorheological finishing by computer control for optical surface , the core issues of process software are calculating dwell function and designing of machining path .

从而为建立磁流变抛光的去除矩阵函数模型提供了依据，进而可实现复杂表面抛光的点位控制和面形修整。

So as to provide a basis matrix function for establishing the removal model of MRF , then can realize the point control and repair for surface shape of the complex surface .

建立了磁流变抛光材料去除数学模型及基于矩阵理论的驻留时间算法。

The main content of the research in this thesis are as follows : ( 1 ) The material removal model of MRF is established and Dwell time Based on matrix theory is studied .

研究了磁流变抛光中几种主要工艺参数对抛光区的大小和形状以及材料去除率的影响情况。

In order to study the size and shape of " polishing spot " and the material removal rate of optical element , several MRF experiments have been done by using " standard " MPF .

磁流变抛光是近几年发展起来的是一种新型的确定性加工方法，因其抛光精度高、材料和面形加工范围广、没有亚表面损伤等优点而成为超精密加工的主要方法。

MRF , a novel machining method developed years ago , is one of the dominate method in exceed precision process for its high precision , a bound of machining object and no damnification in sub-surface of part .

本文首先综述了国内外磁流变抛光技术和数控系统的发展状况，对数控系统及超精密机床控制策略的发展和研究状况进行了总结。

In this dissertation , the general development situation of the MRF machine tool and CNC system are reviewed firstly , and the development and current research work of CNC and ultra-precision machine tool control strategy are summed up .

可以反映磁流变抛光磨头在光学玻璃表面驻留1分钟，对玻璃的材料去除情况，可以直观的观察材料去除率在空间上的分布。

It can reflect the case of material removal on the glass , when MRF " grinding " in the presence of 1 minute on optical glass . The distribution in space of Material removal rate can be directly observed .

采用了范成法和准球心法相结合的方法（抛光零件时，工件轴线和磨头轴线所在的直线交于-点），提出了小型磁流变抛光设备的结构设计方案。

According to generation method and quasi ball method ( when polishing parts , workpiece axis and the axis of the grinding head of line intersect in one point ), it put forward structure design scheme of a small magnetic rheological polishing device .

根据这一标准，分析了磁流变抛光液各组成成分的作用原理及特性要求，由此确定了磁流变抛光液的各组成成分和配置工艺路线，成功研制了性能良好的磁流变抛光液。

According to this standard , analysis the role of various components and characteristics required of fluids for finishing . Thus , the fluid composition and configuration of the process line of the MRF have been identified . And good performance fluids for finishing have been successfully developed . 2 .

回转对称非球面光学零件磁流变成形抛光的驻留时间算法

Dwell Time Algorithm for MRF of Axis-symmetrical Aspherical Parts

本文对计算机控制超声波磁流变复合抛光面形误差修正技术进行了研究，主要的研究工作包括以下几个方面：首先，研究计算机控制超声波磁流变复合抛光驻留时间算法。

The figure error correction technology of UMC finishing has been researched in this paper , and the main aspects of the research are as follows : Firstly , dwell time algorithm in computer controlled UMC finishing was researched .

根据抛光区内的受力分析，建立了磁流变超精密抛光的确定量加工模型，并通过工艺实验予以证明。

According to force state in polishing zone , quantificational machining model on magnetorheological finishing ( MRF ) is established and it is proved true by machining experiments .

用所配磁流变液对K9玻璃进行抛光实验，试验结果表明，磁流变抛光的材料最大去除率为0.4μm/min。

An experimental finishing was conducted with K9 optical glass using the developed MR fluid , and experimental results show that the maximum removal rate of optical glass is 0.4 μ m / min.

从微观角度进一步分析了磁流变研抛的机理及其特点，并通过和传统抛光方法进行比较，分析了磁流变抛光的优势所在。

Thirdly , the mechanism and features of MRF are introduced from microscopic view . The advantage of MRF is analyzing with the contrast of traditional polishing method .