机械工程专业英语课件--L12(精品·公开课件).ppt

English for Mechanical Engineering 机械工程专业英语 车床的特点：工件随主轴旋转，而刀具进给 车床的类型：普通车床、转塔车床、仿形车床、单轴自动车床、多轴自动车床 组成及原理： 主轴箱：电机齿轮变速主轴 尾座：锥孔+顶尖 导轨：平、燕尾 刀架：中拖板（流板箱）作横向进给，大拖板作纵向移动 丝杠：加工螺纹 光杠：切削外圆、端面 Lesson 24 Lathes engine lathe 普通车床 turrent lathe 转塔车床 tracing and duplicating lathe 仿形车床 single-spindle automatic lathe 单轴自动车床 multi-spindle automatic lathe 多轴自动车床 shape 牛头刨床 cylindrical grinder 外圆磨床 planer 龙门刨床 centreless grinder 无心磨床surface grinder 平面磨床 boring machine 镗床 drilling machine 钻床 milling machine 铣床 broaching machine 拉床 sawing machine 锯床 gear-cutting machine 齿轮加工机床 Lesson 24 Lathes chip 切屑 collar 法兰盘 key 键 compound rest 小刀架，复合刀架 T-slot T形槽 three jaw selfcentering chuck 三爪自定心卡盘 chuck 卡盘 tailstock 尾座 reamer 铰刀 One pass 一次走刀 gearing 齿轮传动装置 feed box 进给箱 power feed 机动进给carriage 大拖板 apron 溜板箱 Lesson 24 Lathes Lesson 24 Lathes Lesson 24 Lathes Lesson 24 Lathes Lesson 24 Lathes Lesson 24 Lathes Lesson 24 Lathes Lesson 24 Lathes Lesson 24 Lathes Lesson 24 Lathes Lesson 24 Lathes Lesson 24 Lathes Lesson 24 Lathes Lesson 24 Lathes Lesson 24 Lathes Lesson 24 Lathes Lesson 24 Lathes Lesson 24 Lathes Lesson 24 Lathes Lesson 24 Lathes Lesson 24 Lathes Lesson 24 Lathes Lesson 24 Lathes Lesson 24 Lathes Lesson 24 Lathes Lesson 24 Lathes Lesson 24 Lathes Lesson 24 Lathes Lesson 24 Lathes Lesson 24 Lathes Lesson 24 Lathes 机械工程专业英语 The carriage is also equipped with automatic stops that control the tool travel and provide good reproduction of cuts. The tailstock of the turret lathe is of hexagonal design, in which six tools can be mounted. 拖板也装设有自动停机装置以便控制刀具行程和提供良好的重复加工。 转塔车床的尾座是六角形结构，在六角头中可以装六把刀具。 课文分析 机械工程专业英语 Although a large amount of time is consumed in setting up the tools and stops for operation, the turret lathe, once