机械制造技术基础 第3章 金属切削刀具.ppt

第3章 金属切削刀具Chapter 3 Metal Cutting Cutter 3.4 孔加工刀具 Hole-making Cutter 3.5 拉刀 Broach 3.6 齿轮加工刀具 Gear Cutting Tools 3.1 概述 Introduction 1.车刀(Turning tool)类 2.铣刀(Milling cutters )类 3.孔加工刀具(Hole processing cutting tool )类 4.拉刀(broach)类 5.螺纹(Threading tool)刀具类 6.齿轮刀具类(Gear cutting tool) 3.2 车刀 Lathe Cutting Tools 3.2.1 常用车刀的名称和用途 Names and Uses of Common Lathe Tools (1)直头外圆车刀(Straight tool)（图3-1(a)） (2)弯头车刀(Angular tool)（图3-1(b)） (3)偏刀(Offset tool)（图3-1(c)） (4)车槽或切断刀(Cutoff tool)（图3-1(d)） (5)镗孔刀(Hole boring cutter)（图3-1(e)） (6)螺纹车刀(Thread turning tool)（图3-1(f)） (7)成形车刀(Forming turning tool)（图3-1(g)） 3.2 车刀 Lathe Cutting Tools 图3-1 车刀种类及用途 3.2 车刀 Lathe Cutting Tools 3.2.2 车刀的结构和用途 Structure and Uses of Lathe Tools 1．整体车刀(Whole turning tool) 2．焊接车刀(Welding turning tool) 3．焊接装配式车刀(Welding fabricated turning tool) 4．机夹车刀(Mechanically clamped turning tool) 5．可转位车刀(Indexable turning tool) 3.2 车刀 Lathe Cutting Tools 图3-2 焊接车刀 3.2 车刀 Lathe Cutting Tools 3.2 车刀 Lathe Cutting Tools 图 3-4 机夹车刀 3.2 车刀 Lathe Cutting Tools 3.3 铣削与铣刀 Milling and Milling Cutter 3.3.1 铣刀的种类和用途 Types and Uses of Milling Cutter (1)圆柱铣刀(Cylindrical milling cutter) 图3-6a (2)面铣刀/端铣刀(Surface milling cutters/Face milling tool) 图3-6b (3)立铣刀(Vertical milling) 图3-6c、d (4)槽铣刀(Slot milling cutter) 图3-6e、f (5)T形槽铣刀(T shape slot milling cutter) 图3-6g (6)锯片铣刀(Saw blades milling cutter)(图3-6(h)) 3.3 铣削与铣刀 Milling and Milling Cutter (7)角度铣刀(Angular milling cutter)图3-6(i)、(j) (8)键槽铣刀(Cotter milling cutter)图3-6(k) (9)盘形齿轮铣刀(Disc shape gear milling cutter)图3-6(m) (10)成形铣刀(Form milling cutter)图3-6(n) (11)鼓形铣刀(Drum shape milling cutter)图3-6(p) (12)球头铣刀(Ball head milling cutter)图3-6(q) 3.3 铣削与铣刀 Milling and Milling Cutter 3.3.2 铣削的特点 Milling Characteristics 1．断续切削 2．多刃切削 3．属于半封闭或封闭式容屑方式 4．有切入过程 3.3 铣削与铣刀 Milling and Milling Cutter 3.3.3 铣削方式 Milling Categories 1．端铣和周铣(Face milling and peripheral milling) 2．逆铣和顺铣(Up milling and down