1、机械英语证书考试(PEC)词汇大全A roving inspection 巡回检验员Addendum 齿顶高Angle of twist 扭角Angular-contact bearing 接触球轴承Annealing 退火Automatic lathes 自动车床Automatic machine 自动机床Automatic 自动装置Automobile 转轴=rotating shaftsBase circle 基圆Bearings 轴承Bevel gears 锥齿轮Brittle materials 脆性材料Cam shaft driven 凸轮轴Cast iron 铸铁Chain dr
2、ive 链传动Circular pitch 齿距Clearance 顶隙Compressive strength 抗压强度Computer-aided design 计算机辅助设计Connecting rod 连杆Coupling 联络、联轴器Couplings 联轴器Crankweb 曲柄臂Critical dimensions 极限尺寸Dedendum 齿跟高Diametral pitch 径节Distortion or cracking 扭曲变形和裂缝Double thread screw 双向螺栓Double-thread screw 双头螺纹Ductile material 塑性材料
3、Elastic limit 弹性极限Engine lathes 普通车床Engineering materials 工程材料Exhaust valves 进气门Exist on the metal 内应力Face-width 齿面Fatigue strength 疲劳强度Final inspection 全数（最终）检验Flexibility 柔韧性、适应性Flywheel 飞轮Frustum of a cone 接椎体Fuel- injection nozzle 喷油嘴General-purpose 普通用途Grinding 磨削加工Headstock 主轴箱Heat-dissipation
4、 problem 散热问题Helical gears 斜齿轮Herringbone gears 人字形齿轮Horse-and-buggy-days 马车时代Impact and endurance test 冲击和疲劳试验Inspection 检查审核involute 渐开线Left hand helical gears 左旋斜齿轮Left-hand-screw 左旋螺栓Left-hand-thread 左旋螺纹Liner 衬套 套筒 缸套Machinability characteristics 加工特性 Machining means 机械设备（工具）Machining 切削加工Manuf
5、acturing process 制造生产Methods of forming 成型方法Modular cast iron 球墨铸铁Modulus of elasticity 弹性模量Molecular 分子结构 Nonferrous metal 有色金属Overhead 营业费用Particular manufacturer 制造商Physical properties 物理性能Pitch circle 节圆Pitch 螺距Pressure angle 压力角Proportional limit 比例极限Quench 淬火Recrystallization 再结晶Right-hand-scr
6、ew 右旋螺栓Right-hand-thread 右旋螺纹rockwell hardness 洛氏硬度Rolling mill 轧钢机Rolling-contact bearing 滚动轴承Rotational inertia 旋转惯性Sampling 抽样Self-actuating 自动调节Setscrew 定位螺钉Shearing distortions 变曲、变形Shearing stress 切应力Single thread screw 单项螺栓Special-purpose lathes 特殊车床Spiral gears 螺旋齿轮Sprocket 扣链齿、铁链车轮Spur gear
7、s 直齿圆柱齿轮Static or repetitive load 静载或交变载荷Statistical methods 统计方法Stress-strain curve 应力应变曲线Tailstock 尾座Tempered steel 回火剂Tempering 回火Tendency 硬化退火Tense strength 抗拉强度The allowed shearing stress 需用切应力The carriage 溜板箱The connecting rod 连杆The crankcase 曲轴箱The crankshaft 曲轴The cylinder head 汽缸盖The cylind
8、er 汽缸The fuel pump 油泵The piston 活塞Thrust on the shaft 轴向力Timing gears 定时齿轮Toll room lathes 六角车床Torque-limiting 扭矩限制的Transmission 变速器 Ultimate strength 强度极限Unloaded state 空载状态value engineering 价值工程Vertical turning-and boring mills 立式车床Warehousing 库存Work-hardening range 淬火温度区Working range 加工区域Worm gear 涡轮Wrist 肘节 肘杆
