机械工程专业词汇

Chapter One Mechanics Components

第一章机械构件

Lesson One

第一课齿轮

Words and Expressions

1.spur gear 直齿轮

2.thermal expansion热膨胀

3.lubrication 润滑

4.backlash 倾向间隙

5.the pitch circles 节圆

6.space width 间隙宽度

7.instrument gear 仪表齿轮

8.the split gear拼合齿轮

9.helical gear斜齿轮

10.pitch-line velocities节线速度

11.an axial thrust轴向推力

12.blank 坯件

13.double-helical gears 人字齿轮

14.non-intersecting 不相交的

15.worm gears蜗轮蜗杆

16.bevel gears伞齿轮

17.crossed-axis交叉轴

18.nut螺母

19.screw 丝杠，螺钉

rge rations大速比

21.parallel-shaft gears平行轴齿轮

22.single-thread worms 单线蜗杆

23.lead angles导角

24.multiple-thread worms多线蜗杆

25.hypoid gear偏轴伞齿轮

26.rolling Cones滚锥

27.involutes 渐开线

Lesson Two Rolling Guides and Bearings

第二课滚动导轨和轴承

Words and Expressions

1.rolling guides (rolling guideways) 滚动导轨

2.plain guides 普通导轨

3.a roller chain滚柱链

4.cape保持架

5.guide surfaces 导轨面

6.stiffness刚性

7.load-carrying capacity载荷能力

8.rolling-contact bearings 滚动轴承

9.ball bearing球轴承

10.an inner race 座圈

11.an outer race 外座圈

12.separator 隔离环

13.curvature 曲率

14.notch 凹槽

15.thrust load 推力负载

16.a radial ball bearing经向球轴承

17.sections断面

18.an axial-thrust bearing 轴向推力轴承

19.washer垫圈

20.roller bearing滚子轴承

21.tapered 锥形的

22.spherical 球面的

23.retaining shoulder 定位肩

24.needle bearing 滚针轴承

25.tapered roller bearings 锥形滚子轴承

26.spherical roller bearings 球面滚子轴承

27.concave凹面的

28.convex凸面的

Lesson ThreeClutches

第三课离合器

Word and Expressions

1.coaxial (coaxial)网轴的

2.a rotatable shaft (driven shaft) 从动轴

3.a rotating shaft (driving shaft) 主动轴

4.friction clutches磨擦离合器

5.ring-shaped 环形的

6.spring 弹簧

7.a conical spool锥形短管轴

8.coefficient of friction 磨擦系数

9.facing 衬片

10.dry clutches干式离合器

11.wet clutches 湿式离合器

12.a multiple-plate disc clutch 多片式圆盘离合器

13.spline花键

14.pivot枢轴

15.magnetic clutches 电磁离合器

16.an annular gap 环状间隙

17.powder iron 铁粉

18.graphite石墨

19.direct-current control coil直流控制线圈

20.slippage滑动

Lesson Four Ball screw and nuts

第四课滚珠丝杠螺母副

Words and Expressions

1.precision ball screw assembly 精密滚珠丝杠副

2.auto-drafting machines自动制图机

3.valves 阀门

4.metallurgical machinery 冶金机械

5.satellite tracers卫星跟踪仪

6.steering gears转向机构

7.stick-slip爬行

8.rolling guideways滚动导轨