机械工程专业英语课件--L11.ppt

English for Mechanical Engineering 机械工程专业英语 机床的主要部件： 床身：是基础件，一般为铸件，有较高的抗压强度，吸振 导轨和溜板箱：保证机床部件的直线运动，其精度极高，一般为内凹，为了储油。 主轴和轴承：回转精度要求较高，径向跳动、轴向窜动和角度摆动 变速机构：实现刀具相对工件的正确切削用量。机械、液压、气动、电动 动力装置：电动机 machine tool 机床 bed 床身 slideway 导轨 spindle 主轴 tailstock 尾座 dovetail 燕尾槽 gib 镶条 guard 防罩 roughing 粗加工 finishing 精加工 surface finish 表面光洁度 Lesson 23 Fundamentals of Machine Tools Lesson 23 Fundamentals of Machine Tools Lesson 23 Fundamentals of Machine Tools Lesson 23 Fundamentals of Machine Tools Lesson 23 Fundamentals of Machine Tools Lesson 23 Fundamentals of Machine Tools Lesson 23 Fundamentals of Machine Tools Lesson 23 Fundamentals of Machine Tools Lesson 23 Fundamentals of Machine Tools Lesson 23 Fundamentals of Machine Tools Lesson 23 Fundamentals of Machine Tools Lesson 23 Fundamentals of Machine Tools Lesson 23 Fundamentals of Machine Tools Lesson 23 Fundamentals of Machine Tools Lesson 23 Fundamentals of Machine Tools Lesson 23 Fundamentals of Machine Tools Lesson 23 Fundamentals of Machine Tools Lesson 23 Fundamentals of Machine Tools Lesson 23 Fundamentals of Machine Tools Lesson 23 Fundamentals of Machine Tools Lesson 23 Fundamentals of Machine Tools Lesson 23 Fundamentals of Machine Tools Lesson 23 Fundamentals of Machine Tools Lesson 23 Fundamentals of Machine Tools Lesson 23 Fundamentals of Machine Tools Lesson 23 Fundamentals of Machine Tools Lesson 23 Fundamentals of Machine Tools Lesson 23 Fundamentals of Machine Tools Lesson 23 Fundamentals of Machine Tools Lesson 23 Fundamentals of Machine Tools Lesson 23 Fundamentals of Machine Tools Lesson 23 Fundamentals of Machine Tools Lesson 23 Fundamentals of Machine Tools 机械工程专业英语 (b) Means of Adjustment. To facilitate assembly, maintain accuracy and eliminate “play” between sliding members after wear has taken place, a strip