数控车铣加工(初级)

项目引导 项目一销轴车削编程与加工训练 任务一学习关键知识点 1.1初步认识数控车床 1.2车削加工特点 1.3刀具知识 1.3.1刀具分类 1.3.2刀具选择 1.4夹具知识 1.5量具知识 1.5.1游标卡尺 1.5.2千分尺 1.6基本指令 1.6.1数控车削程序的基本格式 1.6.2基本准备功能指令 1.6.3辅助功能M代码 1.6.4数控车床利用T代码 1.6.5主轴功能S代码 任务二工艺准备 1.7零件图分析 1.8工艺设计 1.9数控加工程序编写 任务三上机训练 1.10设备与用具 1.11认识机床 1.11.1开机 1.11.2机床面板 1.11.3回参考点 1.12刀具准备 1.13设定工件原点 1.13.1Z轴原点设定 1.13.2X轴原点设定 1.14程序编辑 1.15数控加工程序的仿真 1.16零件加工 1.17零件检测 项目总结 课后习题 项目二手柄车削编程与加工训练 任务一学习关键知识点 2.1基本指令 2.1.1圆弧插补指令 2.1.2倒角过渡指令 2.1.3刀尖圆弧半径补偿指令 2.1.4仿形粗加工循环指令G73 任务二工艺准备 2.2零件图分析 2.3工艺设计 2.4数控加工程序编写 任务三上机训练 2.5设备与用具 2.6开机前检查 2.7加工前准备 2.8零件加工 2.9零件检测 项目总结 课后习题 项目三驱动轴车削编程与加工训练 任务一学习关键知识点 3.1螺纹常识 3.1.1螺纹分类 3.1.2公制螺纹的表示方法 3.1.3螺纹车削相关尺寸计算 3.2螺纹检测量具 3.3基本指令 任务二工艺准备 3.4零件图分析 3.5工艺设计 3.6数控加工程序编写 任务三上机训练 3.7设备与用具 3.8开机前检查 3.9加工前准备 3.10零件加工 3.11零件检测 项目总结 课后习题 项目四驱动轮铣削编程与加工训练 任务一学习关键知识点 4.1初步认识数控加工中心 4.2铣削加工特点 4.3刀具知识 4.4夹具知识 4.5量具知识 4.6工艺知识 4.6.1定位原理 4.6.2基准 4.6.3机械加工工艺规程制定的原则 4.7基本指令 4.7.1数控铣削程序的基本格式 4.7.2常用准备功能指令 4.7.3常用辅助功能指令 任务二工艺准备 4.8零件图分析 4.9工艺设计 4.10数控加工程序编写 任务三上机训练 4.11设备与用具 4.12认识机床 4.12.1开机检查 4.12.2机床面板 4.12.3回原点 4.13刀具准备 4.14寻边器与工件找正 4.14.1安装寻边器 4.14.2加工中心调用寻边器 4.14.3工件找正 4.15对刀 4.16程序编辑 4.17数控加工程序的仿真 4.18零件加工 4.19零件检测 项目总结 课后习题 项目五槽轮铣削编程与加工训练 任务一学习关键知识点 5.1数控机床坐标系旋转功能及原理 5.2子程序的格式与应用 5.2.1子程序的格式 5.2.2子程序的调用 5.2.3子程序在相似形状重复加工时的应用 5.2.4子程序在分层加工时的应用 任务二工艺准备 5.3零件图分析 5.4工艺设计 5.5数控加工程序编写 任务三上机训练 5.6设备与用具 5.7开机检查 5.8零件加工 5.9零件检测 项目总结 课后习题 项目六驱动轴、从动轴螺纹孔编程与加工训练 任务一学习关键知识点 6.1常见丝锥 6.2攻丝加工工艺方法 6.3攻丝加工螺纹底孔尺寸 6.4螺纹攻丝的操作方法 6.4.1手工攻丝 6.4.2机械攻丝 6.5攻丝指令 6.6螺纹孔的检测 任务二工艺准备 6.7零件图分析 6.8工艺设计 6.9数控加工程序编写 任务三上机训练 6.10设备与用具 6.11开机检查 6.12零件加工 6.13零件检测 项目总结 课后习题
Contents Projects Guidance Project 1Programming and Machining Training for Pin Shaft Turning Task 1Learn Key Knowledge Points 1.1Preliminary understanding of CNC lathes 1.2Turning features 1.3Knowledge of cutters 1.3.1Classification of cutters 1.3.2Cutters selection 1.4Knowledge of fixtures 1.5Knowledge of measuring tools 1.5.1Vernier caliper 1.5.2Micrometers 1.6Basic instructions 1.6.1Basic format of the CNC turning program 1.6.2Basic preparatory function instructions 1.6.3Miscellaneous function Mcodes 1.6.4CNC lathes utilize Tcode 1.6.5spindle function Scode Task 2Technological Preparation 1.7Parts drawing analysis 1.8Technological design 1.9CNC machining programming Task 3Handson Training 1.10Equipment and appliances 1.11Get to know the machine tool 1.11.1Power on 1.11.2Operation panel 1.11.3Return to reference point 1.12Cutters preparation 1.13Set the workpiece origin 1.13.1Zaxis origin setting 1.13.2Xaxis origin setting 1.14Program editing 1.15Simulation of CNC machining program 1.16Part machining 1.17Part inspection Project Summary Exercises After Class Project 2Programming and Machining Training for Handle Turning Task 1Learn Key Knowledge Points 2.1Basic instructions 2.1.1Circular interpolation instruction 2.1.2Chamfer/Corner arc transition instruction 2.1.3Tool radius compensation instructions 2.1.4Profile modeling roughing turning cycle instruction G73 Task 2Technological Preparation 2.2Part drawing analysis 2.3Technological Design 2.4CNC machining programming Task 3Handson Training 2.5Equipment and appliances 2.6Check before powering on 2.7Preparation before machining 2.8Part machining 2.9Part inspection Project Summary Exercises After Class Project 3Programming and Machining Training for Drive Shaft Turning Task 1Learn Key Knowledge Points 3.1General knowledge of thread 3.1.1Classification of threads 3.1.2Representation of metric threads 3.1.3Calculation of dimensions related to thread turning 3.2Thread measuring tool 3.3Basic instruction Task 2Technological Preparation 3.4Part drawing analysis 3.5Technological design 3.6CNC machining programming Task 3Handson Training 3.7Equipment and appliances 3.8Check before powering on 3.9Preparation before machining 3.10Part machining 3.11Part inspection Project Summary Exercises After Class Project 4Programming and Machining Training for Drive Wheel Milling Task 1Learn Key Knowledge Points 4.1Preliminary understanding of CNC machining center 4.2Milling characteristics 4.3Knowledge of cutters 4.4Knowledge of fixture 4.5Knowledge of measuring tools 4.6Technology knowledge 4.6.1Positioning principle 4.6.2Benchmarks 4.6.3Principles for the formulation of machining process
specification 4.7Basic instructions 4.7.1Basic format of CNC milling program 4.7.2Commonly used preparatory function instructions 4.7.3Commonly used auxiliary function instructions Task 2Technological Preparation 4.8Part drawing analysis 4.9Technological design 4.10CNC machining program writing Task 3Handson Training 4.11Equipment and appliances 4.12Get to know the machine tool 4.12.1Power on inspection 4.12.2Operation panel 4.12.3Return to origin 4.13Cutters preparation 4.14Edge finder and workpiece alignment 4.14.1Installing the edge finder 4.14.2The machining center calls the edge finder 4.14.3Workpiece alignment 4.15Cutter setting 4.16Program editing 4.17Simulation of CNC machining program 4.18Part machining 4.19Part inspection Project Summary Exercises After Class Project 5Programming and Machining Training for Geneva Wheel Milling Task 1Learn Key Knowledge Points 5.1Function and principle of coordinate system rotation 5.2Format and application of subprogram 5.2.1Format of subprogram 5.2.2Call subprogram 5.2.3Application of subprogram when a similar shape is
processed repeatedly 5.2.4Application of subprogram in layered processing Task 2Technological Preparation 5.3Part drawing analysis 5.4Technological design 5.5CNC machining program writing Task 3Handson Training 5.6Equipment and Appliances 5.7Check before powering on 5.8Part machine 5.9Part inspection Project Summary Exercises After Class Project 6Programming and Machining Training for Threaded Hole of Drive
Shaft and Driven Shaft
Task 1Learn Key Knowledge Points 6.1Common taps 6.2Tapping process method 6.3Thread bottom hole size for tapping cutting 6.4Operation method of thread tapping 6.4.1Hand tapping 6.4.2Mechanical tapping 6.5Tapping instructions 6.6Inspection of threaded holes Task 2Technological Preparation 6.7Part drawing analysis 6.8Technological design 6.9CNC machining program writing Task 3Handson Training 6.10Equipment and appliances 6.11Check before powering on 6.12Part machine 6.13Part inspection Project Summary Exercises After Class