1、机械工程专业英语词汇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 axi
2、al 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20.large 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.r
3、olling 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 bea
4、ring 球轴承10.an inner race 内座圈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.
5、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 Three Clutches 第三课 离合器 Word and Expressions 1.coaxial (coaxial) 同轴的，共轴的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
6、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L
7、esson 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 爬行循环8.rolling guideways 滚动导轨9.recirculating-ball screw 滚珠丝杠 10. fe
8、ed mechanisms 进给机构11. wear 磨损12. damping property 阻尼性13. tangential 切向的14. circumferential 圆周的15. thread pitch 螺距16. a ball-return track 回珠滚道17. a return tube 回珠管18. shock-free 无冲击19. stiffness 刚性20. freedom from 免除21. pre-load 预载Chapter Two Constructure and Technology of Machine Tools 第二章 机床结构及工艺Le
9、sson One Size, Bed and Tailstock of Engine lathe 第一课 普通车床的尺寸、床身及尾架 Words and Expressions 1.lathe (turning lathe, engine lathe, tuning machine) 车床 2.the live center point 活顶尖 3.swing 回转直径 4.bed 床身5.ways 导轨6.Carriage 床鞍7.Cross-feed slide 横进给刀架8.Headstock 主轴箱9.tailstock. 尾 架 10. rack 齿条11. pinion gear
10、小齿轮12. handwheel 手轮13. hardened steel 淬火钢14. flame-hardened ways 火焰淬火导轨15. the distance between centers 项尖距16. taper shank 锥形车削17. tailstock spindle 尾架锥柄 18. taper shank 套筒19. three-jaw chuck 三爪卡盘20. roller bearing 滚子轴承21. lubrication 润滑22. workpiece 工件Lesson Two Headstock of Engine Lathe 第二课 普通车床的主
11、轴箱 Words and Expressions 1.spindle 主轴2.taper sleeve 锥套3.live center 轴心活顶针4.the threaded spindle nose 螺纹主轴头5.the cam lock spindle nose 凸轮锁紧主轴头6.the long taper key drive spindle nose 长锥键传动主轴头7.flange 法兰盘8.Chuck 卡盘9.Cam lock stud、凸轮锁紧短轴10. Collar 轴环11. faceplate 套圈12. keyway 花盘，键槽13. back gear 背轮 14. b
12、ull gear 大齿轮15. sliding pit 滑动槽16. groove、槽17. step pulley 塔轮18. drive pulley 主动轮19. driven pulley 被动轮20. gear box 齿轮变速箱Lesson Three Carriage, Feeding and Threading Mechanism of Engine Lathe 第三课 普通车床的床鞍、进给和车螺纹机构 Words and Expressions 1.Saddle 鞍座2.Apron 滑板箱 3.Cross slides 横向滑板，横刀架 4.Compound rest 复合刀
13、架（转盘） 5.tool post 小刀架 6.tool holder 刀夹 7.Clutch 离合器 8.Facing 车端面 9.Cutoff 切断 机动进给 10. power feed 动力进给11. split nut (half-nut) 开合螺母 12. dovetail way 燕尾导轨 13. micrometer collar 千分尺套圈 摇柄 14. rocker 摇臂15. threading 车螺纹16. gear box 齿轮箱，传动箱 17. ring collar 刻度环 18. an index chart 指示图19. lead screw 丝杠20. fe
14、ed rod 光杠21. Cross-feed 横进给22. Longitudinal feed 纵向进给 23. acme threads 梯形螺纹24. right-hand thread 右旋螺纹 25. left-hand thread 左旋螺纹Lesson Four Word-holding attachments for the lathe and Rough turning第四课 车床工件夹紧附件和粗车 Words and Expressions 1.attachment 附件 2.four-jaw independent chuck 四爪单动卡盘 3.Collar chuck
15、套爪卡片 4.follower rest 跟刀架 5.reducing sleeve 中心架 6.lathe dog 异径套筒 7.bent-tail dog 车床卡爪 8.Rough turning 曲尾卡爪9.Rough turning 粗车white lead 白铅粉 Center height 中心高 end 副后角 relief 后角 Clearance angle 留隙角 back rake 纵向前角tangent 切线caliper 卡尺trial cut 试切overload 过载、Lesson Five Milling Shaper, Planer and Grinding
16、Machines 第五课 铣床、刨床和磨床Words and Expressions 1.milling machines 铣床 2.milling cutter 铣刀 刀杆 3.arbor 心轴4.spacer 垫圈、垫片5.bushing 套6.yoke 支座 7.starting lever 起动手柄8.Knee 升降台9.elevating screw 升降丝杆10. index head 分度头11. foot stock 分度头支座 12. Universal Milling Machine 万能铣床13. Shaper 牛头刨床14. plane 龙门刨床 15. ram 滑轨
17、16. vise 台钳 17. fixture 夹具18. notched wheel or ratchet 棘轮19. pawl 棘爪 20. cross rail 横梁 21. grinding machine 磨床 22. grinding wheel 砂轮 23. finish 光洁度 24. Cutter grinder 工具磨床 25.surface grinder 平面磨床 26.centreless grinder 无心磨床 27.internal grinder 内圆磨床 28.external grinder 外圆磨床29.Wheel head 磨头Lesson Six M
18、achine Tool Tests, Accuracy checking and Maintenance 第六课 机床试验，精度检验及保养Words and Expressions 1.acceptance tests 验收试验 2.certificate data 检验证数据3.geometrical accuracy 几何精度 4.surface roughness 表面粗糙度 5.vibration-proof 防振 6.straightness 平直度 7.flatness 平面度8.upright 立柱9.base plate 底板 10. deviation 偏差 11. para
19、llelism 平行度12. squareness 垂直度13. servicing 维修14. inspection 检查15. repairs 检修 16. maintenance 保养17. rapidly wearing components 易损件18. post-inspections repairs 后检查修理19. periodic repairs 定期检修20. routine servicing 日常维修 21. general overhaul 大修22. restoration 修复Chapter Three Modern Manufacturing Engineeri
20、ng &Development 第三章 现代制造技术及其发展Lesson One The development of NC第一课 数字控制的发展 Words and Expressions 1.vacuum tube 真空管 2.electrical relay 继电器 3.interface 接口 4.integrated circuit(IC) 集成电路 5.hardware 硬件 6.Read Only Memory(ROM) 只读存储器 7.Machining Center 加工中心8.Turning Center 车削中心 9.electrical discharge machin
21、ing 电火花加工 10.drafting 制图11.printed circuit(PC) 印刷电路12.robot 机械手，机器人13.Subroutine 子程序14.tape reading 纸带读数15.alarm 报警16.diagnostic message 诊断信息17.Constant surface speed control 恒线速控制18.polar coordinate 极座标19.interpolation 插补20.microprocessor 微处理机21.servo drive 伺机服驱动22.pre-amplifier 前置放大器23.point-to-po
22、int 点位24.contouring 轮廓控制25.bubble memory 磁泡存储器26.macro 宏指令27.canned cycle 固定循环Lesson Two Open-loop and closed-loop servo drives 第二课 开环和闭环伺服驱动Words and Expressions 1.information command section 信息命令段2.punched tape code 穿孔带码3.magnetic tape code 磁带码4. input data 输入数据5.open-loop 开环6.closed-loop 闭环7.auto
23、matic washing machine 自动洗衣机8.power supply level 电源电平9.feedback 反馈10. resolution 清晰度 11. deterioration 恶化，变坏 12. discrepancy 差误13. subtract logic 减法逻辑14. command position counter 指令位置计数器15. drive signal amplifier 伺服信号放大器16. transducer 传感器17. synchro 同步机18. shaft digitizer 轴数字读出器19. analog 模拟量digital
24、数字式 self-correcting 自动修正 light interruption 光中断 photo cell 光电管 electric pulse 电脉冲 increment 增量 encoder 编码器 binary 二进制 Gray code 格雷码 Segmentation 扇区Lesson Three Hydraulic motors and servo motors 第三课 液压马达和伺服电机 Words and Expressions 1.hydraulic motor 液压马达2.oil sump 油箱，油槽3.oil pressure pump 油压力泵4.hydrau
25、lic cylinder 液压缸5.valve 阀6.oil flow 油流7.hydrostatic drives 水力驱动，静压驱动8.variable-delivery pump 9.piston 活塞10. reciprocating movement 往复运动11. supply line 供应线12. return line 回程线13. the filling cycle 14. servomotors 伺服电机15. input command signals 输入命令符号 16. step-by-step motors 步进电机17. Phase-shifted 18. Amplifier 放大器19. Contact 触点，接头20. Electromagnet 电磁铁
