线切割

Whose content is pursued including using the AutoCAD software to draw out a part , is pursue the parametric choice carrying out analysis , blank choice , electricity to the part, the machine tool choice workpiece dress gripping and rectifying CAXA line cutting programming , the part treating and so on, reaches the scheme knowing well that a part processes process from blank to finished product's, and processes the problem should pay attention to in process and solving thereby

本次毕业设计的内容是电火花线切割样件加工，主要是对零件凹角和尖角进行电火花线切割加工，其内容包括使用AutoCAD软件绘制出零件图、对零件图进行分析、毛坯的选择、电参数的选择、电极丝的选择、机床的选择、工件的选择、工件的安装及校正、CAXA线切割编程、零件的加工等，从而达到熟悉一个零件从毛坯到成品的加工过程，以及在加工过程中应注意的问题及解决方案。

Whose content is pursuedincluding using the AutoCAD software to draw out a part , is pursuethe parametric choice carrying out analysis , blank choice ,electricity to the part, the machine tool choice workpiece dressgripping and rectifying CAXA line cutting programming , the parttreating and so on, reaches the scheme knowing well that a partprocesses process from blank to finished product's, and processesthe problem should pay attention to in process and solvingthereby

摘要本次毕业设计的内容是电火花线切割样件加工，主要是对零件凹角和尖角进行电火花线切割加工，其内容包括使用AutoCAD软件绘制出零件图、对零件图进行分析、毛坯的选择、电参数的选择、电极丝的选择、机床的选择、工件的选择、工件的安装及校正、CAXA线切割编程、零件的加工等，从而达到熟悉一个零件从毛坯到成品的加工过程，以及在加工过程中应注意的问题及解决方案。

The systems of machining complex curved surface by means of WEDM are classified to establish the main kinematics theories of machining complex curved surface by means of WEDM By analyzing various systems of machining complex curved surface by means of WEDM, the combination, characteristics, motion parameters and motion types of them are summarized And a model system of the is established according to the basic principles of the forming of ruled surface in spatial analytic geometry.

主要内容及取得的成果体现在以下几个方面：为了建立复杂曲面电火花线切割运动学的主要理论，本文对复杂曲面电火花线切割加工系统进行了分类，并分析总结出各种复杂曲面电火花线切割加工系统的组成、特点、运动参数及运动形式。

The processability of wedm for several materials was analyzed and researched in detail The move to upgrade the processing quality and incising speed was put forward There are certain consulting and referring values for conditioning the machining quality of these materials .

对几种材料的线切割加工性能作了详细的分析和研究，提出了提高线切割加工质量和切割速度的措施，对进一步改善这些材料的线切割加工质量具有一定意义。

The company's main are: CNC engraving and milling machine, CNC WEDM (wire speed, in taking silk, large taper) spark machine, drilling machine, Taiwan CNC milling machine, precision grinder, milling machine such as the Taiwan Mold Machinery ; molybdenum wire, wire cutting emulsified oil, line cutting guide pulley, sparks oil, magnetic disk, electronic scale, cutting tools, fixtures, molds and other mechanical parts, wearing parts, consumables; undertake: a variety of CNC wire cutting, EDM of repair.

公司主营有：数控雕铣机，数控电火花线切割（快走丝，中走丝，大锥度）火花机，打孔机，台湾数控铣床，精密磨床，台湾铣床等各种模具机械；钼丝，线切割乳化油，线切割导轮，火花油，磁吸盘，电子尺，刀具，夹具，等多种模具机械配件，易损件，消耗品；承接：各种数控线切割，电火花的维修。

According to the wire electrode on the trajectory of the different forms of control, WEDM can be divided into three types:* is a copy-control, cutting their lines in advance to create the shape of the workpiece and the same mode *, When the rough machining parts and die at the same time * Clamping in the machine tool table, in the process of cutting wire electrode tightly * close to the edge of model for mobile track, thus cutting out the model * with the same shape and precision to work; another One is the optical tracking control, the cutting in line before the first parts in accordance with drawings by a certain ratio of enlarge depicts an electro-optical tracking maps, drawings will be processed when the machine electro-optical tracking placed on the stage, followed on the stage The first photo has to follow the ink line graphics track movement, and then through the use of electrical, mechanical linkage to control the machine tool table work together with the relative electrode wire Xiang Sixing do sports in order to cut out the pattern and shape of the workpiece to the same; a re - Is a digital process control, advanced digital automatic control technology, machine-driven process in accordance with the geometry of the workpiece before the parameters of good pre-processing CNC automatic completion of the processing, production do not look like without drawing board also plans to enlarge, in front of more than two Control in the form of higher precision processing and broad scope of application, at home and abroad for more than 95% of WEDM have been using digital technology.

根据对电极丝运动轨迹的控制形式不同，电火花线切割机床又可分为三种：一种是*模仿形控制，其在进行线切割加工前，预先制造出与工件形状相同的*模，加工时把工件毛坯和*模同时装夹在机床工作台上，在切割过程中电极丝紧紧地贴着*模边缘作轨迹移动，从而切割出与*模形状和精度相同的工件来；另一种是光电跟踪控制，其在进行线切割加工前，先根据零件图样按一定放大比例描绘出一张光电跟踪图，加工时将图样置于机床的光电跟踪台上，跟踪台上的光电头始终追随墨线图形的轨迹运动，再借助于电气、机械的联动，控制机床工作台连同工件相对电极丝做相似形的运动，从而切割出与图样形状相同的工件来；再一种是数字程序控制，采用先进的数字化自动控制技术，驱动机床按照加工前根据工件几何形状参数预先编制好的数控加工程序自动完成加工，不需要制作模样板也无需绘制放大图，比前面两种控制形式具有更高的加工精度和广阔的应用范围，目前国内外95％以上的电火花线切割机床都已采用数控化。

In chapter 2, based on the samples of TP7725 high speed WEDM machine from ShangHai wireless apparatus factory and DK7725e high speed WEDM machine from SuZhou SanGuang electromechanical corporation, the virtues and defects of known process databases are given. For the TP7725 machine which has complete database liner regression model and nonlinear regression model are brought out. The two models are compared for goodness of fit and prediction. And the process regularity is analyzed.

第二章以上海无专厂的TP7725型号线切割机床和苏州三光的DK7725e型号线切割机床为例，分析了国内现存的线切割工艺数据库优缺点；对已存在较完善工艺数据库的TP7725机床，应用其已有工艺数据，分别进行了线性和非线性回归建模，并根据试验结果进行了比较和工艺规律分析。

Honesty integrity of precision wire-cutting precision wire-cutting in 2005 at an ancient and beautiful birth of Xuzhou, which is a professional engaged in wire-cut processing plant, has many years of work experience.

诚信精密线切割诚信精密线切割2005年在古老又美丽的苏州诞生，它是一家专业从事线切割的加工厂，有着多年的工作经验。

Design of the Tension Measuring Mechanism for Wire Electrode;2. Based on electrochemical etching principle,the micrometer scale wire electrode was online fabricated,and the equipment of WEMM was established.

基于电化学原理，讨论了纳秒脉冲电流微细电解线切割加工的机理，建立了微细电解线切割加工数学模型；采用电化学腐蚀原理对微米尺度线电极进行在线制作，建立了微细电解线切割加工试验系统，并进行了微细电解线切割加工试验，切割出带90°直角的微结构，其切缝宽度为30μm。

Wire electrode based on the trajectory of the different forms of control, WEDM can be divided into three types: one is shaped by the imitation controlled cutting in line in advance and work to create the same shape by mold, when processing the workpiece at the same time rough and on the mold clamping in the machine tool table, in the process of cutting wire electrode tightly against the mold on the edge of the track for the mobile, thus cutting out and die on the same shape and precision to the workpiece; another One is the electro-optical tracking control, to carry out the cutting line, before the basis of certain parts to enlarge the proportion of drawings depicts an electro-optical tracking map-processing machines will be placed in design stage of electro-optical tracking, tracking platform Photoelectric first line of graphics has always been to follow the track of the Mexican campaign, and then through the use of electrical, mechanical linkage to control the machine tool table, together with the workpiece so相似形wire electrode relative movement, thus cutting out the same shape and design to the workpiece; again a digital control, the use of advanced automatic control of digital technology-driven machine tool in accordance with the pre-processing parameters according to the workpiece geometry pre-processing procedures for the preparation of a good CNC auto-complete processing, the production does not require appearance on board the need to map to enlarge map of the previous two form of control has a higher machining accuracy and a broad range of applications, both at home and abroad more than 95% have adopted WEDM NC.

根据对电极丝运动轨迹的控制形式不同，电火花线切割机床又可分为三种：一种是靠模仿形控制，其在进行线切割加工前，预先制造出与工件形状相同的靠模，加工时把工件毛坯和靠模同时装夹在机床工作台上，在切割过程中电极丝紧紧地贴着靠模边缘作轨迹移动，从而切割出与靠模形状和精度相同的工件来；另一种是光电跟踪控制，其在进行线切割加工前，先根据零件图样按一定放大比例描绘出一张光电跟踪图，加工时将图样置于机床的光电跟踪台上，跟踪台上的光电头始终追随墨线图形的轨迹运动，再借助于电气、机械的联动，控制机床工作台连同工件相对电极丝做相似形的运动，从而切割出与图样形状相同的工件来；再一种是数字程序控制，采用先进的数字化自动控制技术，驱动机床按照加工前根据工件几何形状参数预先编制好的数控加工程序自动完成加工，不需要制作靠模样板也无需绘制放大图，比前面两种控制形式具有更高的加工精度和广阔的应用范围，目前国内外95%以上的电火花线切割机床都已采用数控化。切割属电加工范畴，是由前苏联人发明的，我国是第一个用于工业生产的国家，当时由复但大学和苏州长风机械厂合作生产的这是最早的机型叫复旦型，我们国内在此基础上发展了快走丝系统。欧美和日本发展了慢走系统LS

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。