1、- 1 -机电专业英语课程考试姓 名： 张曾 学 号： 2010200600 班 级： 机制 4班 联系电话： 18602370601 文章中文出处： http:/ 重庆电子工程职业学院机电学院2012 年 10 月具 体 要 求1、 文章中文出处需填写资料的具体网站地址或者相关教材和资料的名称（需要注明书号、作者以及你要翻译的具体的章节及第几页）等，必须是真实可查的。2、 中文内容可选用机电产品说明书、机电产品设计规范等与机电产品设计和制造相关的内容；3、 杜绝网上直接下载中英后打印。4、 注意中英文书写格式，需严格按照要求书写；- 3 -5、 联系方式需填写真实的能联系到本人的手机电话号码
2、；6、 翻译完成后的英文内容字数要求 300 字以上。7、 请严格按照以上要求进行，否则会影响本门课程考试成绩。数 控 机 床 设 计 书 明 说 数控车床设计说明书一、总体方案设计机床工业是机器制造业的重要部门，肩负着为农业、工业、科学技术和国防现代化提供技术装备的任务，是使现代化工业生产具有高生产率和先进的技术经济指标的保证。设计机床的目标就是选用技术先进。经济效果显著的最佳可行方案，以获得高的经济效益和社会效益。我国是一个机床拥有量大、 大部分机床役龄长、数控化程度不高的发展中国家。因此，从事机床设计的人员，应不断地把经过实践检验的新理论、新技术、新方法应用到设计中，做到既要技术先进、经
3、济效益好、效率高。要不断的吸收国外的成功经验，做到既要符合我国国情，又要赶超国际水平。要不断的开拓创新，设计和制造出更多的生产率高、静态动态性能好、结构简单、使用方便、维修容易、造型美观、耗能少、成本低的现代化机床。设计本着以上原则进行，尽量向低成本、高效率、简化操作、符合人机工程的方向考虑。（一）、主传动的组成部分主传动由动力源、变速装置及执行元件（如主轴、刀架、工作台等）部分组成。主传动系统属于外联系传动链。主传动包括动力源（电动机）、变速装置、定比传动机构、主轴组件、操纵机构等十部分组成。1、动力源 电动机或液压马达，它给执行件提供动力，并使其获得一定的运动速度和方向。2、 定比传动机构
4、 具有固定传动比的传动机构，用来实现降速、升速或运动联接，本设计中采用齿轮和带传动。3、 变速装置 传递动力、运动以及变换运动速度的装置，本设计中采用两个滑移齿轮变速组和一个背轮机构使主轴获得 18 级转速。4、 主轴组件 机床的执行件之一，它由主轴支承和安装在主轴上的传动件等组成，5、 开停装置 用来实现机床的启动和停止的机构，本设计中采用直接开停电动机来实现主轴的启动和停止。- 5 -CNC Machine Tool Design Specification CNC lathe design specification, the overall designThe machine tool
5、 industry machine manufacturing sector, shouldering the task of providing the technical equipment for agriculture, industry, science and technology and the modernization of national defense, is a modern industrial production with high productivity and state-of-the-art technical and economic indicato
6、rs of guarantee. The design machines target is the choice of state-of-the-art technology. Significant economic effect the best possible options to get a high economic and social benefits.China is a machine tool has a large amount of military age of most of the machine tools, CNC high degree developi
7、ng countries. Therefore, the personnel engaged in machine tool design and proven new theories, new technologies, new methods should continue to be applied to the design, do both to advanced technology, good economic returns, high efficiency. To continue to absorb the successful experience of foreign
8、 countries, and be designed to meet the conditions of our country, but also to catch up with international standards. To keep the innovation, design and manufacture of high productivity, good static and dynamic performance, the structure is simple, easy to use, easy maintenance, attractive appearanc
9、e, low energy consumption and low cost of modern machines. Design in line with the above principles, as far as possible to the low-cost, high-efficiency, streamline operations, and consider ergonomic direction.(A), part of the main driveThe main drive from the power source, transmission and executio
10、n elements (such as the spindle, turret, workbench, etc.) parts. The main transmission system belongs to the outer contact transmission chain.The main drive 10 components including power source (motor), transmission, fixed ratio transmission mechanism, spindle assembly, manipulating institutions.1,
11、a power sourceMotor or hydraulic motor, which provides power to the Executive pieces, and its movement speed and direction.2, than the transmission mechanismHas a fixed transmission ratio of the transmission mechanism used to achieve slow down or speed or movement joins the design, gear and belt dri
12、ve.3, the shifting deviceTransmission of power, movement, and transform the movement speed of the device, the design with two sliding gear transmission group and a rear wheel mechanism the spindle 18 speed.4 spindle assemblyThe execution of one of the members of the machine, which is composed by a spindle support mounted on the spindle of the transmission member,5, open stop deviceThe start and stop of the machine to be used to implement the design directly open to stop the motor spindle start and stop.
