机械科学与工程英语竞赛题库

1、1. kinematic chain 运动链2. skeleton diagram 草图，示意图，简图3. Gear system/Cam system 齿轮传动系统/凸轮系统 4. uniform motion/nonuniform motion 匀速运动/非匀速运动 5. nonlinear motion 非线性运动6. kinematic analysis 运动分析7. schematic diagram 运动简图8. machine design 机械设计9. dynamic force 动力10. inertia force 惯性力11. static force 静力12. rel

2、ative velocity 相对速度13. absolute velocity 绝对速度）14. angular acceleration 角加速度15. tangential acceleration 切向加速度16. centripetal acceleration 向心加速度17. velocity vector 速度矢量18. binary link 二杆组19. ternary link 三杆组20. Plane and spatial linkages（平面和空间连杆）21. constrained kinematic chain/约束运动链22. unconstrained k

3、inematic chain（/非约束运动链）23. slider-crank (or crank and slider) mechanism（曲柄滑块机构）24. internal combustion engine（内燃机）25. degree of freedom of the mechanism（机构自由度）26. angular velocity（角速度）27. angular acceleration（角加速度）28. automatic packaging machinery（自动包装机）29. cam-contour dimensions 凸轮轮廓尺寸30. cam-follo

4、wer diameters（凸轮从动件直径）31. dead-center position（死点位置）32. crank-rocker linkage 曲柄摇杆机构33. double-rocker linkage 双摇杆机构34. double-crank (drag-link) linkage（双曲柄机构）35. absolute angular positions（绝对角位置）36. velocity polygon method（速度的多边形的方法）37. instantaneous center method/瞬心法38. instant center method（即时瞬心法）3

5、9. inertia-force analysis 惯性力分析40. systematic design of mechanisms（机械设计的系统）41. Mechanism（机械，机构，机构学）42. configuration（外形，构造，结构）43. displacement（位移）44. velocity（速度）45. acceleration（加速度）46. gear（齿轮）47. sprocket（链轮）48. pulley（带轮）49. the base circle（基圆）50. the pitch curve（啮合曲线）51. the contact force（接触力）5

6、2. the intermittent motion（间歇运动）53. the common normal（公法线）54. the conjugate profiles（共轭齿廓）55. the cycloidal profiles （摆线齿形）56. the involute profiles（渐开线齿形）57. the spur gear（直齿轮）58. the herringbone gears（双螺旋齿轮）59. the face gear（端面齿轮）60. the radial distance（径向距离）61. the addendum circle（齿顶圆）62. The too

7、th thickness（齿厚）63. the tooth space（齿间隙）64. the cap screws（螺钉）65. the setscrews（固定螺丝钉）66. the engineering graphics（工程力学）67. mechanical design（机械设计）68. the installation techniques（安装技术）69. the bolted joint（螺栓连接）70. the hardened washers（强化垫圈）71. the fatigue resistance（抗疲劳强度）72. the modulus of elastici

8、ty（弹性模量）73. the antifriction bearing（减摩轴承）74. the rolling bearing（滚动轴承）75. the rolling contact （滚动接触）76. the sliding contact（滑动触电）77. the corrosion resistance（抗腐蚀性）78. the machining tolerances（加工公差）79. the fatigue loading（疲劳载荷）80. the radial loads（径向负荷）81. the thrust loads逆负荷82. the ball bearing球轴承8

9、3. the roller bearing滚子轴承84. the single-row bearings单沟轴承85. the double-row bearing双沟轴承86. the needle bearing滚针轴承87. the bearing life轴承寿命88. The rating life额定寿命89. the axis of rotation旋转轴90. The helix angle螺旋角91. a right-hand helix 右旋92. a left-hand helix左旋93. an involute helicoids螺旋面94. an involute

10、curve渐开线95. the shaft centerlines轴中心线96. worm gear蜗轮97. the hypoid gear准双曲面齿轮98. right angle直角99. worm gearing蜗杆传动100. the lead angle导角101. shaft angle轴线角度102. bending load弯曲载荷103. tension load张力负荷104. compression load压缩负载105. torsional load扭转负荷106. the bending moment弯矩107. the bending stress弯曲应力108

11、. the shot peening喷丸法109. the actuating force工作力110. the coefficient of friction摩擦系数111. An electromagnetic coil电磁线圈112. the magnetic circuit磁路 113. disk or plate translating (two-dimensional or planar) 盘形传动凸轮（两维的，即平面的）114. cylindrical (three-dimensional or spatial) cams圆柱形凸轮（三维的，即空间的）机构115. a const

12、ant torque ratio一个恒转矩比116. the parallel helical gear平行斜齿轮117. the crossed helical gear交叉斜齿轮118. the straight bevel gear直锥齿轮119. the spiral bevel gear弧齿锥齿轮120. the skew bevel gear大角度斜交锥齿轮121. the hexagon head screws六角头螺钉122. the fillister head screws槽头螺钉123. the flat head screws 平头螺钉124. the hexagon

13、socket head screws内六角沉头螺钉。125. the external tensile load外部拉伸载荷126. the external shear load外部剪切负荷127. The single-row deep-groove bearing单列深沟轴承128. The angular-contact bearing角接触轴承129. the self-aligning bearings自动调心轴承130. the straight roller bearings直滚子轴承131. the spherical-roller thrust bearing球形辊止推轴承

14、132. the tapered roller bearings圆锥滚子轴承133. the condition of statical equilibrium浅析条件下平衡134. the positive-contact clutches强制接触离合器135. the overload-release clutches超载释放保护离合器136. the overrunning clutches超越离合器137. the magnetic fluid clutches磁流变离合器138. cam凸轮139. camshaft凸轮轴140. accuracy精度141. dependabili

15、ty可靠性142. pulley滑轮143. flywheel飞轮144. crank曲柄145. sprocket链轮146. axle心轴147. spindle主轴148. clutche离合器149. brake制动150. the design specifications中国设计规范151. the industrial engineering工业工程152. the machining industry加工行业153. the machine shops机器商店154. machine tool机床155. angular displacements角位移156. The ele

16、ctric motor电机157. transmission Linkage传输连接158. the cutting force切削力159. the static loads静态负荷160. the dynamic loads动态载荷161. the grinding wheel砂轮162. lubricating oil润滑油163. the cutting fluids切削液164. protective guards防护装置165. the cutting tool刀具166. the range of feeds进给量167. engine lathes普通车床168. turret

17、 lathes六角车床169. the boring machine镗床170. the drilling machines钻床171. the milling machines铣床172. the broaching machines绞孔机；拉床173. the sawing machines锯床174. the cylindrical grinder外圆磨床175. the centreless grinders无心磨床176. the surface grinders平面磨床177. the chemical milling铣削178. the ultrasonic machining超

18、声波加工179. a tool holder刀架180. a compound rest复式刀架181. the feed screw丝杆182. the feed rod光杆183. The feed box进给箱184. power feed进给185. the full depth大切削深度186. thread cutting螺纹切削187. a chasing dial螺纹指示盘188. the forward stroke冲程189. the return stroke回程190. the clapper box摆动刀架191. the hydraulic shaper液压牛头刨床

19、192. the universal machines通用机械193. universal joints万向节194. Tracer milling仿形铣195. the master pattern模型196. the acceleration of gravity重力加速度197. conducting material导电材料198. non-conducting material绝缘材料199. the metal removal rate金属去除率200. the universal thread-grinding machine通用螺纹磨床201. shaper牛头刨床202. p

20、laner龙门刨203. pulley皮带轮204. flywheel飞轮205. spindle轴206. clutche离合器207. crank曲柄208. sprocket链轮209. axle车轴210. brake制动211. warpage配气机构212. coolant冷却剂213. internal force 内力214. external force 外力215. equilibrium 平衡216. alloy 合金217. fracture 断裂，断口218. grind 研磨，抛光219. polish 研磨，抛光，精加工220. conduction（热传导）22

21、1. convection（热对流）222. radiation（热辐射）223. natural convection 自然对流224. forced convection 强制对流225. electromagnetic wave 电磁波226. enthalpy 焓227. fluid flow 流体流动228. heat transfer 传热229. evaporation 蒸发230. drying 烘干231. distillation 蒸馏232. absorption 吸收233. crystallization 结晶234. blind flange盲板235. cower

22、 plate盖板236. flange法兰237. nozzle接管238. support 支撑239. flow rates 流动速度240. composition 组成241. temperature 温度242. levels 液位243. and pressures 压力244. flange法兰245. formed head封头246. cylindrical shell圆柱壳体247. support支座248. tolerance公差249. nuts 螺母250. steels 钢251. cast irons 铸铁 25

23、2. martensite 马氏体253. autenite   奥氏体254. drilling钻255.  boring镗256.  reaming铰 257.  gear-cutting operations齿轮加工258. Mechanical Drawing 机械制图259. necking颈缩260. 毕业实习 Graduation Practice 261. 理论力学 Theoretical Mechanics  262. 材料力学 Material Mechanics  263. 数字电子电路 Fundamental Digital Circuit 264. 机械控制工程