数控机床毕业论文外文翻译

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1、外文翻译 学校：江汉大学文理学院 学部：机械与建筑工程 系部：机械制造及其自动化 5 班 姓名：梅中豪 学号： 201003010530 指导老师：李列 1This study aims at developing a machine center consisting of high-speed micro-milling machine, micro-EDM and coordinate measuring machine. The machine center uses a commercially available PC-Based CNC controller and micro-

2、EDM power supply. The structure design is based on an open L-shaped granite base, where a Z-axis platform is mounted on the top of an L-type base, while X and Y-axis platforms are assembled by stacking. Additionally, a fuel tank, WEDG winding mechanism and a work piece holder were fixed to the X-axi

3、s work platform. Three-axis positioning stages use servomotors to drive lead screws for motion control. Equipped with a commercially available PC-Based CNC controller, any processing path and precision motion control can be achieved. In addition, the Z-axis platform includes a commercially available

4、 rapid adapter for the rapid assembly of C-axis rotation, high-speed micro-milling spindle and three-dimensional measuring probe. This means that the machine can quickly switch between micro-EDM, high-speed micro-milling and three-dimensional measurement. The machine center successfully produced mic

5、ro probes with a front-end sphere with a diameter of less than 100 m. Combined with a self-developed trigger circuit, it also completed a three-dimensional touch trigger probe. The measurement software was developed with Borland C+ Builder. Integrating the three-dimensional touch trigger probe with

6、the three-axis linear scale, the three-dimensional coordinates of the measured values were calculated and processed. It has been successfully applied to the measurement of point, line, circle and angle. 本研究旨在开发一个加工中心组成的高速微型铣床，微细电火花加工、三坐标测量机。加工中心采用 CNC 控制器和微细电火花加工电 源的商用 PC。结构设计是基于一个开放的 L 形的花岗岩基座，在 Z

7、轴平台安装在 L 型底座的顶部，而X 和 Y 轴平台是由堆叠。此外，一个燃料箱，电极卷绕机构、工件夹持固定到轴工作平台。三轴定位阶段采用伺服电机驱动的丝杠运动控制。配备了一个数控控制器商用 PC，任何加工路径和精密运动控制可以实现。此外， Z 轴平台包括 c 轴旋转快速组装使用市售的快速接头，高速微铣削主轴和三维测量探头。这意味着，机器可以快速在微细电火花开关，高速微铣削和三维测量。加工中心的成功产生微探针与一个直径小于 100 M.结合自行研制的触发电路前端的球体，它 还完成了三维触发式探头。用 Borland C+ Builder 开发了测量软件。三维触发式测头的三轴线性尺度积分，计算和处

8、理的三维坐标的测量值。它已成功地应用于测量的点，线，圆，角 2 Different types of geometric models of face-gear with circle line of teeth have been shown in the paper. Generation of a new geometrical of a face-gear is performed on CNC milling machine. The basic direction of the development geometrical of a face-gear and technolog

9、y is in the search of new trends and methods focused on improving the quality of products, shortening the production cycles, their mechanizations, automation and implementation of a high-precision technology. 与齿圈的面齿轮几何模型的不同类型的已被证明的文件。一种新的面齿轮几何的产生是在数控铣床上进行。的发展，几何面齿轮技术的基本方向是新的趋势和方法集中在提高产品质量的搜索，缩短生产周期，

10、其机械化，是一种高精度自动化技术与实现。 3 This paper discuss of the literature review of Optimization of tool life in milling using Design of experiment implemented to model the end milling process that are using solid carbide flat end mill as the cutting tool and stainless steels s.s-304 as material due to predict th

11、e resulting of Tool life. Data is collected from CNC milling machines were run by 8 samples of experiments using DOE approach that generate table design in MINITAB packages. The inputs of the model consist of feed, cutting speed and depth of cut while the output from the model is Tool life calculate

12、d by taylors life equation. The model is validated through a comparison of the experimental values with their predicted counterparts. The optimization of the tool life is studied to compare the relationship of the parameters involve. 本文讨论的刀具寿命优化的文献回顾，采用实验的实施模型的端铣加工过程中所使用的硬质合金端铣刀的切削工具钢和不锈钢 s.s-304 由于

13、预测得到的刀具材料的设计加工。数据收集从数控铣床是由 8 的使用 DOE 方法生成表的设计在Minitab 包实验。该模型的输入包括进料，切割速度和切割深度，从模型的输出是刀具寿命方程计算泰勒的生活。通过与实验值的预测进行比较，验证了模型的正确性。刀具寿命的优化进行了研究比较的参数的关系涉及。 4 In this work an effective simulator for a CNC milling machine is presented. It has been developed in EMC2, a free Opens Source NC software running in

14、Linux environment, developed by an international community. It can be installed on a common PC and is able to: control a CNC machine； read part programs； display the tool path； send instructions to the CNC machine for the cutting process. In this work a new feature has been implemented, which can bo

15、th display a 3D model of the machine and simulate all the motions of the movable parts of a real 3 axis end milling machine. This simulator lets the users not only verify the toolpath but also detect any possible collision by using the very computer which controls the milling machine. This system is very efficient and easy to use as powerful tool in Engineering education.