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As to the property of its cutting and modeling, GH4169 is characterized by high intensity, high plasticity, great resistance to cutting, serious cold-work hardening, high-temperature cutting, serious abrasion of the cutting tool.

其切削加工特点主要表现为强度高,塑性大,切削抗力大,冷作硬化严重,切削温度高,刀具在加工过程中磨损剧烈,以攻丝为加工最难点,小直径的螺孔用普通攻丝方法几乎无法加工,已经严重影响了公司的生产进度和产品质量。

The technology of error compensation based on Multi-Body system and the design method of cam machining were combined together.

针对精密凸轮加工中存在的精度问题,推导出凸轮磨削中的理想砂轮中心包络线的求解方程,进而将基于多体系统理论的误差补偿技术与凸轮加工设计方法相结合,研究了理想数控指令的生成方法、砂轮轮廓误差的计算方法、精密数控指令和逆变凸轮廓型的求解算法,在此基础上,开发出凸轮精密磨削过程的误差补偿与动态仿真分析软件。

According to the geometrical principle of conical milling cutter with equal helix angle, a new process of rough machining of conical milling cutter with equal helix angle on universal milling machine by using additive equipment is presented.

根据等螺旋锥铣刀几何原理,提出一种借助附加装置在万能铣床上进行等螺旋角锥铣刀粗加工工艺,介绍了该方法加工锥铣刀时工作铣刀的运动方程;给出了附加装置的设计原理,通过对用此方法加工出的铣刀参数进行测试,证明了这种方法的可行性和实用性。

The horizontal universal milling machine technological transformation based on Mitsubishi PLC;2. Analysis of some important points for makinghelical gear on universal milling machine ;3. According to the geometrical principle of conical milling cutter with equal helix angle, a new process of rough machining of conical milling cutter with equal helix angle on universal milling machine by using additive equipment is presented.

根据等螺旋锥铣刀几何原理,提出一种借助附加装置在万能铣床上进行等螺旋角锥铣刀粗加工工艺,介绍了该方法加工锥铣刀时工作铣刀的运动方程;给出了附加装置的设计原理,通过对用此方法加工出的铣刀参数进行测试,证明了这种方法的可行性和实用性。

Combined with DMU70V, from DECKEL MAHO, this paper presents a full work report as follows:Giving a compositive demonstration about the comparison of all type of CAD/CAM systems available in the macket , developing the proper one as the fundamental system for the study; Creating and programming the DMU70V-CAD/CAM Documentary system; analyzing Free feature modeling from the point of HSM and machining technics of 5-Axis production and the measure of HSM carried through;developing the postprocess document of HEIDENHAINTNC426 Controller which is now used on DMU70V.

同时结合德国MAHOO公司的DMU70V五坐标数控加工中心的实际情况,着重就CAD/CAM支持系统的选择论证和综合分析、CAD/CAM文件系统管理规划、基于高速加工角度的功能曲面的建模及其分析、加工过程的工艺规划和高速加工策略实现的方法、HEIDENHAINTNC426控制器后处理技术五个方面进行了探讨研究。

Aiming at titanium alloy suspension to need to process to receive the leathern part, making sure its process the tool, process the means.

确定ARJ21钛合金吊挂上需要什么样加工的方法,结合实际分析。针对钛合金吊挂需加工蒙皮的部位,确定其加工工具,加工手段。

The information integrated pattern based on PDM/PLM in the course ofmanufacture is put forward. Under the constraints of building CAPP platform, thearchitecture of CAPP platform is established. The models of decision making andfunction for process planning are given. Then the development means of CAPP basedSmarTeam are extracted.3. The structure of modular product life cycle is established. Toward the divisionand planning of the General Modules oriented product family, theCAD/CAPP integrated model of flexible module based on feature and CAD/CAPPmapping model based on process planning match board are set up. The keytechnologies of Solidworks/SmarTeam/CAPP integration are studies.4. From the point of view of process match board and step match board, theprocess of creating to process planning match board is studied. As an example, themachining process planning of up beam of hydraulic press machines is used tointroduce the establishment of process planning match board by means of inferencebased on expert knowledge. The organize model about the process planning matchboard oriented product family is brought forward.5. The multi-decision methods of CAPP system based on analytic hierarchy aregiven.. On the basis of uniform data model, the sub-machining process planning ofpart is auto-created by means of analytic hierarchy, The step decision methods basedon AHP is put forward.6. For the design/manufacture information in the course of product life cycle, thetree structure based on Object-Oriented and static model based UML are founded. Themethod of establishing design/manufacture information management system isbrought forward. The commercial PLM software—SmarTeam is regarded asdevelopment platform, on basis of which, the design/manufacture informationmanagement system is built, and the multi-view mapping technique ofdesign/manufacture information model is studies.7. A computer-aided CAPP platform based on PDM/PLM is founded, and itsstructure, function, work flow is illustrated. Some example of the system areintroduced.

阐述课题提出的目的和意义,明确了本文研究的主要内容。2、提出基于PDM/PLM的制造过程信息化集成模式;在平台式CAPP系统的设计约束模型基础上,构建了平台式CAPP系统的体系结构;并给出工艺决策模型和功能模型;最后提出基于SmarTeam的CAPP开发模式和实现策略。3、建立模块化产品生命周期模型的组织结构;针对面向产品族的广义模块的划分和规划方法,建立基于特征的柔性模块CAD/CAPP集成模型及基于工艺模板的CAD/CAPP映射模型;研究Solidworks/SmarTeam/CAPP集成的关键技术。4、从工序模板和工步模板的角度研究了工艺模板的创建过程;以液压机上梁模块机加工为例,采用基于专家知识的推理技术实现了工艺模板的创成;提出了面向产品族的工艺模板分层结构树的组织模式。5、提出基于分层规划的多模式工艺决策流程;在统一数据模型的基础上,从特征层和零件层分层规划,实现了零件加工子工艺的自动创成;提出基于AHP的工步排序决策方法。6、针对产品生命周期中的设计/制造信息,建立了面向对象的类树结构和基于UML的静态结构模型;提出基于PDM/PLM软件的设计/制造信息管理系统的构建方法;以商品化PLM软件SmarTeam作为开发平台,开发了基于SmarTeam的设计/制造信息管理原型系统;研究设计/制造信息模型多视图映射机制。7、开发了基于PDM/PLM的平台式CAPP原型系统,构建了系统的功能模型,并对系统的主要功能进行说明,给出系统的运行实例。

This text mainly introduced the UG basic entity to set up the basic operation of mold and curved face shape;The software of UG CAM weaves the operation process of distance automatically;The UG CAM medium-sized chamber milling、curved face outline milling ...etc.

本文主要介绍了UG 基本实体建模和曲面造型的基本操作;UG CAM 软件自动编程的操作流程;UG CAM 中型腔铣、曲面轮廓铣等加工类型的自动编程方法;UG CAM 后置处理方法;曲面零件在加工中心上的加工工艺规程等。

The theoretical analysis and experiments show that high overlay accuracy can be realized with the mark-based overlay method in SPM lithography, and the overlay accuracy can be quantitatively measured by the overlay metrology with verniers. The overlay method could be widely applied in the hybrid lithography with SPM.

理论分析与实验研究证明,在利用SPM的加工技术中,基于标记的场套刻对准方法能够实现高精度的套刻加工,通过游标检测法能够实现对于套刻对准精度的定量表征,本方法在利用SPM的混合加工技术中具有广阔的应用前景。

In order to solve this kind of machining problems,bore reaming process with stepped reaming cutter is applied.Through modification of common reamers and proper machining process applied,combined bore quality can be effectively ensured and machining productivity is satisfied.

为解决此类工件的加工难题,采用阶梯铰刀铰削孔的加工工艺方法,通过对普通铰刀进行改制,并采取适当的加工工艺,可有效确保上述复合孔的加工质量,并满足加工效率的要求。

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However, as the name(read-only memory)implies, CD disks cannot be written onorchanged in any way.

然而,正如其名字所指出的那样,CD盘不能写,也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口,替代木托盘,免薰蒸,符合欧盟、北美各国对出口货物包装材料的法令要求;喷涂钢托盘适用于重载上货架之用,托盘表面根据需要制作成平板状、波纹状及间隔形式,满足不同的使用要求。

A single payment file can be uploaded from an ERP system to effect all pan-China RMB payments and overseas payments in all currencies.

付款指令文件可从您的 ERP 系统上传到我们的电子银行系统来只是国内及对海外各种币种付款。