《机械工程专业英语》测验题(18-22)
一、将下列词组译成汉语
1.the base circle(基圆)
2.the pitch curve(啮合曲线)
3.the contact force(接触力)
4.the intermittent motion(间歇运动)
5.the common normal(公法线)
6.the conjugate profiles(共轭齿廓)
7.the cycloidal profiles (摆线齿形)
8.the involute profiles(渐开线齿形)
9.the spur gear(直齿轮)
10.the herringbone gears(双螺旋齿轮)
11.the face gear(端面齿轮)
12.the radial distance(径向距离)
13.the addendum circle(齿顶圆)
14.The tooth thickness(齿厚)
15.the tooth space(齿间隙)
16.the cap screws(螺钉)
17.the setscrews(固定螺丝钉)
18.the engineering graphics(工程力学)
19.mechanical design(机械设计)
20.the installation techniques(安装技术)
21.the bolted joint(螺栓连接)
22.the hardened washers(强化垫圈)
23.the fatigue resistance(抗疲劳强度)
24.the modulus of elasticity(弹性模量)
25.the antifriction bearing(减摩轴承)
26.the rolling bearing(滚动轴承)
27.the rolling contact (滚动接触)
28.the sliding contact(滑动触电)
29.the corrosion resistance(抗腐蚀性)
30.the machining tolerances(加工公差)
31.the fatigue loading(疲劳载荷)
32.the radial loads(径向负荷)
33.the thrust loads逆负荷
34.the ball bearing球轴承
35.the roller bearing滚子轴承
36.the single-row bearings单沟轴承
37.the double-row bearing双沟轴承
38.the needle bearing滚针轴承
39.the bearing life轴承寿命
40.The rating life额定寿命
41.the axis of rotation旋转轴
42.The helix angle螺旋角
43.a right-hand helix 右旋
44.a left-hand helix左旋
45.an involute helicoids螺旋面
46.an involute curve渐开线
47.the shaft centerlines轴中心线
48.worm gear蜗轮
49.the hypoid gear准双曲面齿轮
50.right angle直角
51.worm gearing蜗杆传动
52.the lead angle导角
53.shaft angle轴线角度
54.bending load弯曲载荷
55.tension load张力负荷
56.compression load压缩负载
57.torsional load扭转负荷
58.the bending moment弯矩
59.the bending stress弯曲应力
60.the shot peening喷丸法
61.the actuating force工作力
62.the coefficient of friction摩擦系数
63.An electromagnetic coil电磁线圈
64.the magnetic circuit磁路
二、将下列短语译成汉语
1.disk or plate translating (two-dimensional or planar) 盘形传动凸轮(两维的,即平面的)
2.cylindrical (three-dimensional or spatial) cams圆柱形凸轮(三维的,即空间的)机构
3.a radial (in-line) translating roller follower一个对心直动滚子从动件
4.a constant angular velocity ratio旋转角速度的比例
5.a constant torque ratio一个恒转矩比
6.Nonlinear angular velocity ratios非线性角速度比率
7.the parallel helical gear平行斜齿轮
8.the crossed helical gear交叉斜齿轮
9.the straight bevel gear直锥齿轮
10.the spiral bevel gear弧齿锥齿轮
11.the skew bevel gear大角度斜交锥齿轮
12.the hexagon head screws六角头螺钉
13.the fillister head screws槽头螺钉
14.the flat head screws 平头螺钉
15.the hexagon socket head screws内六角沉头螺钉。
16.the external tensile load外部拉伸载荷
17.the external shear load外部剪切负荷
18.The single-row deep-groove bearing单列深沟轴承
19.The angular-contact bearing角接触轴承
20.the self-aligning bearings自动调心轴承
21.the straight roller bearings直滚子轴承
22.the spherical-roller thrust bearing球形辊止推轴承
23.the tapered roller bearings圆锥滚子轴承
24.the condition of statical equilibrium浅析条件下平衡
25.the positive-contact clutches强制接触离合器
26.the overload-release clutches超载释放保护离合器
27.the overrunning clutches超越离合器
28.the magnetic fluid clutches磁流变离合器
三、将下列单词译成汉语
1.cam凸轮
2.camshaft凸轮轴
3.accuracy精度
4.dependability可靠性
5.pulley滑轮
6.flywheel飞轮
7.crank曲柄
8.sprocket链轮
9.axle心轴
10.spindle主轴
11.clutche离合器
12.brake制动
四.翻译下列句子
1.Although a cam and follower may be designed for motion, path, or function generation, the majority of applications utilize the cam and follower for function generation.
虽然可以把凸轮和它的从动件设计为用于运动变换,路径变换或者函数变换,但大多数用途是利用凸轮和它的从动件做函数变换。
2. In the case of a disk cam with a radial (in-line) translating roller follower the smallest circle that can be drawn tangent to the cam surface and concentric with the camshaft is the base circle. 对于一个对心直动滚子从动件盘形凸轮,可画出的与凸轮表面相切且与轮轴同心的最小圆是基圆
译文 P40 [1]
3. Numerous applications in automatic machinery require intermittent motion. A typical example will call for a rise-dwell-return and perhaps another dwell period of a specified number of degrees each, together with a required follower displacement measured in centimeters or degrees.
在自动化机械中的许多应用需要间歇运动。一个典型的例子将要求一个含有上升一停歇一返回和可能另一个停歇的周期,每阶段经过一个指定的角度,伴随着一个所要求的从动件的位移,这个位移以厘米或度来度量。
译文 P40 [2]
4.Any two mating tooth profiles that satisfy the fundamental law of gearing are called conjugate profiles.
pulleys任何满足齿轮传动基本定律的一对相互啮合齿廓称之为共轭齿廓。
5. Although there are many tooth shapes possible in which a mating tooth could be designed to satisfy the fundamental law, only two are in general use: the cycloidal and involute profiles.
虽然可以设计出有很多齿廓来满足传动装置的基本定律,但通常所使用的只有两种:即摆线齿廓和渐开线齿廓。
6. Typical methods of fastening and joining parts include the use of such items as bolts, nuts, cap screws, setscrews, rivets, locking devices and keys.
紧固和联结零部件的典型方法包含使用这些零件:螺栓,螺母,有头螺钉、定位螺钉,铆钉,锁紧装置和键。
7. Methods of joining parts are extremely important in the engineering of a quality design, and it is necessary to have a thorough understanding of the performance of fasteners and joints under all conditions of use and design.
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