机械专业英语期末考试题及答案

机械专业英语期末考试题及答案一．词汇翻译

画法几何descriptive geometry

机械制图Mechanical drawing

投影projection

视图view

剖视图profile chart

标准件standard component

零件图part drawing

装配图assembly drawing

尺寸标注size marking

技术要求technical requirements

主轴spindle

主轴箱headstock

卡盘chuck

加工中心machining center

车刀lathe tool

车床lathe

钻削镗削bore

车削turning

磨床grinder

基准benchmark

钳工locksmith

机螺纹thread

电一体化mechanotronics mechanical-electrical integration

精加工finish machining

粗加工rough machining

变速箱体gearbox casing

表面粗糙度surface roughness

二．将下列短语译成汉语

1.the fatigue loading（疲劳载荷）

2.the radial loads（径向负荷）

3.the thrust loads逆负荷

4.the ball bearing球轴承

5.the roller bearing滚子轴承

6.the single-row bearings单沟轴承

7.the double-row bearing双沟轴承

8.the needle bearing滚针轴承

9.the bearing life轴承寿命

10.The rating life额定寿命

11.the axis of rotation旋转轴

12.The helix angle螺旋角

13.a right-hand helix 右旋

14.a left-hand helix左旋

15.an involute helicoids螺旋面

16.an involute curve渐开线

17.the shaft centerlines轴中心线

18.worm gear蜗轮

19.the hypoid gear准双曲面齿轮

20.right angle直角

21.worm gearing蜗杆传动

22.the lead angle导角

23.shaft angle轴线角度

24.bending load弯曲载荷

25.tension load张力负荷

https://www.sodocs.net/doc/7412169362.html,pression load压缩负载

27.torsional load扭转负荷

28.the bending moment弯矩

29.the bending stress弯曲应力

30.30.four-bar linkage（四连杆机构）

三．翻译下列句子

1. The simplest closed-loop linkage is the four-bar linkage, which has three moving links (plus one fixed link) and four pin joints.（最简单的封闭式的连杆机构就是四杆机构，四杆机构有三个运动构件（加上一个固定构件）并且有四个销轴。）

2. Although the four-bar linkage and slider-crank mechanism are very useful and found in thousands of applications, we can see that these linkages have limited performance level.(虽然四杆机构和曲柄滑块机构是非常有用而且在成千上万的应用中都可找到。但是我们还看到，这些连杆机构其性能水平的发挥已经受到限制。)

3. The process of drawing kinematic diagrams and determining degrees of freedom of

mechanisms are the first steps in both the kinematic analysis and synthesis process.（画运动图和确定机构自由度的过程，就是运动分析和综合过程的第一个阶段。）

4. The ability to visualize relative motion, to reason why a mechanism is designed the way it is, and the ability to improve on a particular design are marks of a successful

kinematician.（设想相对运动的能力，能推想出之所以这样设计一个机构的原因和对一个具体设计进行改进的能力是一个成功的机构学家的标志。）

5.Kinematic inversion is the process of fixing different links of a chain to create different mechanisms.（这个过程的动态反演是固定的,不同的连接创造出不同的机制。）

四．翻译下列短文

1.A kinematic chain is a system of links, that is, rigid bodies, which are either jointed together or are in contact with one another in a manner that permits them to move relative to one another. If one of the links is fixed and the movement of any other link to a new position will cause each of the other links to move to definite predictable position, the system is a constrained kinematic chain. If one of the links is held fixed and the movement of any other link to a new position will not cause each of the other links to move to a definite predictable position, then the system is an unconstrained kinematic chain.

（运动链是一个构件系统装置即若干个刚体，它们或者彼此铰接或者互相接触，方式上是允许它们彼此间产生相对运动。如果构件中的某一构件被固定而使任何其他一个构件运动到新的位置将会引起其他各个构件也运动到确定的预期的位置上的话，该系统装置就是一个可约束的运动链。如果构件中的某一构件仍保持固定而使任一运动到达一新的位置而不会使其他各个构件运动到一个确定的预期的位置上的话，则该系统装置是一个非约束运动链。）

2. A mechanism or linkage is a constrained kinematic chain, and is a mechanical device that has the purpose of transferring motion and/or force from a source to an output. A linkage consists of links (or bars), generally considered rigid, which are connected by joints, such as pin (or revolute) or prismatic joints, to form open or closed chains (or loops). Such kinematic chains, with at least one link fixed, become (1) mechanisms if at least two other links remain mobility, or (2) structures if no mobility remains. In other words, a mechanism permits relative motion between its "rigid links"; a structure does not. Since linkages make simple mechanisms and can be designed to perform complex tasks, such as nonlinear motion and force transmission, they will receive much attention in mechanism study.

（机构或连杆构件是一个可约束的传动链而且是一个从输入到输出以传递运动和（或）力为目的的机械装置。连杆机构是由通常被认为是刚体构件或杆组成的，它们是以销轴铰接的，例如用柱销（圆形的）或棱柱体销轴铰接，以便成形开式或闭式（回环式）的运动链。这样的运动链在至少有一个构件被固定的条件下：（1）如果至少有两个构件能保持运动，就变为机构，（2）如果没有一个构件能够运动，则就成为结构。换句话说，机构是允许其“刚性构件”之间相对运动，而结构则不能。由于连杆机构做成一简单机构而且能设定实现复杂的任务，例如非线性运动和力的传递运动。它们在机构学研究中将受到更多的关注。）

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机械专业英语 Assembly line组装线 Layout布置图 Conveyer流水线物料板 Rivet table拉钉机 Rivet gun拉钉枪 Screw driver起子 Electric screw driver电动起子Pneumatic screw driver气动起子worktable 工作桌 OOBA开箱检查 fit together组装在一起 fasten锁紧(螺丝) fixture 夹具(治具) pallet栈板 barcode条码 barcode scanner条码扫描器fuse together熔合 fuse machine热熔机 repair修理 operator作业员 QC品管 supervisor 课长 ME制造工程师 MT制造生技 cosmetic inspect外观检查 inner parts inspect内部检查thumb screw大头螺丝 lbs. inch镑、英寸 EMI gasket导电条 front plate前板 rear plate后板 chassis 基座 bezel panel面板 power button电源按键 reset button重置键 Hi-pot test of SPS高源高压测试V oltage switch of SPS 电源电压接拉键 sheet metal parts 冲件 plastic parts塑胶件 SOP制造作业程序 material check list物料检查表

trolley台车 carton纸箱 sub-line支线 left fork叉车 personnel resource department 人力资源部 production department生产部门 planning department企划部 QC Section品管科 stamping factory冲压厂 painting factory烤漆厂 molding factory成型厂 common equipment常用设备 uncoiler and straightener整平机 punching machine 冲床 robot机械手 hydraulic machine油压机 lathe车床 |刨床 planer |'plein miller铣床 grinder磨床 driller??床 linear cutting线切割 electrical sparkle电火花 welder电焊机 staker=reviting machine铆合机 position职务 president董事长 general manager总经理 special assistant manager特助 factory director厂长 department director部长 deputy manager | =vice manager副理 section supervisor课长 deputy section supervisor =vice section superisor副课长group leader/supervisor组长 line supervisor线长 assistant manager助理 to move, to carry, to handle搬运 be put in storage入库 pack packing包装 to apply oil擦油 to file burr 锉毛刺

机械类英语文章

What is Hydraulic? A complete hydraulic system consists of five parts, namely, power components, the implementation of components, control components, no parts and hydraulic oil. The role of dynamic components of the original motive fluid into mechanical energy to the pressure that the hydraulic system of pumps, it is to power the entire hydraulic system. The structure of the form of hydraulic pump gears are generally pump, vane pump and piston pump. Implementation of components (such as hydraulic cylinders and hydraulic motors) which is the pressure of the liquid can be converted to mechanical energy to drive the load for a straight line reciprocating movement or rotational movement. Control components (that is, the various hydraulic valves) in the hydraulic system to control and regulate the pressure of liquid, flow rate and direction. According to the different control functions, hydraulic valves can be divided into the village of force control valve, flow control valves and directional control valve. Pressure control valves are divided into benefits flow valve (safety valve), pressure relief valve, sequence valve, pressure relays, etc.; flow control valves including throttle, adjusting the valves, flow diversion valve sets, etc.; directional control valve includes a one-way valve , one-way fluid control valve, shuttle valve, valve and so on. Under the control of different ways, can be divided into the hydraulic valve control switch valve, control valve and set the value of the ratio control valve. Auxiliary components, including fuel tanks, oil filters, tubing and pipe joints, seals, pressure gauge, oil level, such as oil dollars. Hydraulic oil in the hydraulic system is the work of the energy transfer medium, there are a variety of mineral oil, emulsion oil hydraulic molding Hop categories. Hydraulic principle It consists of two cylinders of different sizes and composition of fluid in the fluid full of water or oil. Water is called "hydraulic press"; the said oil-filled "hydraulic machine." Each of the two liquid a sliding piston, if the increase in the small piston on the pressure of a certain value, according to Pascal's law, small piston to the pressure of the pressure through the liquid passed to the large piston, piston top will go a long way to go. Based cross-sectional area of the small piston is S1, plus a small piston in the downward pressure on the F1. Thus, a small piston on the liquid pressure to P = F1/SI,Can be the same size in all directions to the transmission of liquid. "By the large piston is also equivalent to the inevitable pressure P. If the large piston is the cross-sectional area S2, the pressure P on the piston in the upward pressure generated F2 = PxS2 Cross-sectional area is a small multiple of the piston cross-sectional area. From the type known to add in a small piston of a smaller force, the piston will be in great force, for which the hydraulic machine used to suppress plywood, oil, extract heavy objects, such as forging steel. History of the development of hydraulic

专业英语作业

PART1: Reading How to quickly read an English paper? Metalworking Glossary Cutting Tool Engineering, November, 2000, 209-238 The metalworking glossary defines terms common to those who cut and grind metals and other materials. The terms are divided into 11 categories: 1.Manufacturing Definitions; 2.Machining Operations; 3.Machine Tools and Ancillary Equipment; 4.Cutting Tools and Related Terminology 5.Coolants, Lubricants, and Related Terminology 6.Accessories and Attachments; 7.Alloys, Coatings, Material Compositions, and Related Terminology; 8.Heat-treating and Special Processes; 9.Inspection, Measurement, and Quality Control; 10.Robotics and Automated Assembly; 11.Nontraditional Machining How to Make Use of the Linguistic Features of Scientific Papers (科技论文的语言特点) 1.Linguistic Style(语体) 科学技术领域，科技工作者的任务： 描述自然现象 分析自然现象产生的规律 研究自然现象应用于人类生产实践 的方法 表达所取得的成果及其应用 思维形式：概念、公式或公式化的概念 思维活动的语言表达：按照严格的逻辑程序导 出的判断和推理，科技文体具有抽象性、概念 性和高度的逻辑性 内容：写实 语言风格：准确严谨、合乎逻辑，非形象性(理 性)、客观性、无明显感情色彩、简洁明快。Literature 1.Conference paper 2.Journal paper 3.Lecture 4.Book (Dissertation or Thesis) 5.Report (News) 6.Manual and Specification Paper and Experimental Report: Title, Abstract, Introduction, Results and Analysis, Conclusion and Discussion Book & Lecture: Title, Author(s), Name of the process or publisher, Name of the printing House, Name of the distributor, Date of publication, Date of printing, Synopsis, Note by the publisher, International Standard Book Number, Preface or Foreword, Acknowledgements, Contents, Text of the book, Appendix or Supplement, Index, Epilogue Manual and Instructions, Directions: Principle, Operation, Maintenance 2.Vocabulary Typically Professionalized Terms Whenever a force acts on a body so as to make the body move through some distance, it is said to have done work. Body n. 身体, 肉体, 人, 尸体, 主要部分, 团体, 大量vt. 赋以形体 机械专业n. 车身,机身