数 控 铣 床 编 程 与 操 作

数 控 铣 床 编 程 与 操 作 课题一 数控铣床程序编辑及基本操作 一. 实训目的 1.了解数控铣削的安全操作规程 2.掌握数控铣床的基本操作及步骤 3.熟练掌握数控铣床操作面板上各个按键的功用及其使用方法。 4.对操作者的有关要求 5.掌握数控铣削加工中的基本操作技能 6.培养良好的职业道德 二. 实训内容 1.安全技术(课堂讲述) 2.数控铣床的操作面板与控制面板(现场演示) 3.数控铣床的基本操作 ?数控铣床的启动和停止:启动和停止的过程 ?数控铣床的手动操作:手动操作回参考点、手动连续进给、增量进给、手轮进给 ?数控铣床的MDA运行:MDA的运行步骤 ?数控铣床的程序和管理 ?加工程序的输入练习 三. 实训设备 1.发那科数控铣床1台、日本三菱数控铣床1台、华中世纪星数控铣床2台 四. 实训步骤 1. 开机、关机、急停、复位、回机床参考点、超程解除操作步骤 ?机床的启动 (2)关机操作步骤 (3)回零(ZERO) (4)急停、复位 (5)超程解除步骤 2.手动操作步骤 (1)点动操作 (2)增量进给 (3)手摇进给 (4)手动数据输入MDA操作 (5)对刀操作(现场演示) equipment, components, equipment, temporary construction facilities, processed with strict compliance with provisions of construction floor plans, smooth roads and drainage, site formation. ----3, the site looks dignified and elegant and tidy, advertising slogans to write eye-catching appearance, walls to be clean and tidy. 4, "six-second figure"----cards to complete, custom, eye-catching, hanging in the obvious place. Management----5, district administration, "launch of Qing dynasty" focuses on managing the "cleaning, recycling, use," four Central Bank; the work is finished, clean, clear, work product protection in all procedures to periodically check the appraisals in a timely manner. 6, clean health----engineering work sites, temporary facilities clean and tidy inside and outside. 7, mechanical health----engineering machinery, vehicles are maintained in good condition, looks clean, and free from dirt, dust, electrical switchgear (box) complete with lock, mechanical safety protection equipment and complete, sensitive and reliable. 8, fire, defend----perfect fire system, set in accordance with requirements of fire equipment, set up obvious fire safety signs and signage, provide effective fire-fighting equipment, establishment of a security system, and out of the site staff to wear to work, marks and signs, implements 3.程序编辑 (1)编辑新程序 (2)选择已编辑程序 4.程序运行 (1)程序模拟运行 (2)程序的单段运行 (3)程序自动运行 5.数据设置 (1)刀偏数据设置 (2)刀补数据设置 (3)零点偏置数据设定 (4)显示设置 (5)工作图形显示 五. 注意事项 1.操作数控铣床时应确保安全。包括人身和设备的安全 2.禁止多人同时操作机床 3.禁止让机床在同一方向连续“超程” equipment, components, equipment, temporary construction facilities, processed with strict compliance with provisions of construction floor plans, smooth roads and drainage, site formation. ----3, the site looks dignified and elegant and tidy, advertising slogans to write eye-catching appearance, walls to be clean and tidy. 4, "six-second figure"----cards to complete, custom, eye-catching, hanging in the obvious place. Management----5, district administration, "launch of Qing dynasty" focuses on managing the "cleaning, recycling, use," four Central Bank; the work is finished, clean, clear, work product protection in all procedures to periodically check the appraisals in a timely manner. 6, clean health----engineering work sites, temporary facilities clean and tidy inside and outside. 7, mechanical health----engineering machinery, vehicles are maintained in good condition, looks clean, and free from dirt, dust, electrical switchgear (box) complete with lock, mechanical safety protection equipment and complete, sensitive and reliable. 8, fire, defend----perfect fire system, set in accordance with requirements of fire equipment, set up obvious fire safety signs and signage, provide effective fire-fighting equipment, establishment of a security system, and out of the site staff to wear to work, marks and signs, implements 实训二 数控铣床(加工中心)零件程序编制加工实训 一. 实训目的 1.熟练掌握数控铣床(加工中心)操作面板上各个按键的功用及其使用方法。 2.掌握G02、G03、CR=倒角指令与G01、G00指令的应用和编程方法; 3.掌握子程序L P调用、G90、G91、在程序编制中的应用。 4.掌握程序输入及修改方法。 5.熟练掌握程序输入的正确性及检验; 二. 实训设备 1.发那科数控铣床1台、日本三菱数控铣床1台、华中世纪星数控铣床2台 三. 实训内容 1.如图2—1所示成型面零件，已知毛坯尺寸为Φ100×80，编写数控加工程序并进行图 形模拟加工。 图2—1 四. 实训步骤 1.开机 2.编写图2—1加工程序 3.程序输入 4.检验程序及各字符的正确性 5.模拟自动加工运行 6.观察机床的程序运行情况及刀具的运行轨迹。 7.回参考点 equipment, components, equipment, temporary construction facilities, processed with strict compliance with provisions of construction floor plans, smooth roads and drainage, site formation. ----3, the site looks dignified and elegant and tidy, advertising slogans to write eye-catching appearance, walls to be clean and tidy. 4, "six-second figure"----cards to complete, custom, eye-catching, hanging in the obvious place. Management----5, district administration, "launch of Qing dynasty" focuses on managing the "cleaning, recycling, use," four Central Bank; the work is finished, clean, clear, work product protection in all procedures to periodically check the appraisals in a timely manner. 6, clean health----engineering work sites, temporary facilities clean and tidy inside and outside. 7, mechanical health----engineering machinery, vehicles are maintained in good condition, looks clean, and free from dirt, dust, electrical switchgear (box) complete with lock, mechanical safety protection equipment and complete, sensitive and reliable. 8, fire, defend----perfect fire system, set in accordance with requirements of fire equipment, set up obvious fire safety signs and signage, provide effective fire-fighting equipment, establishment of a security system, and out of the site staff to wear to work, marks and signs, implements 五.注意事项 1.编程注意事项 ?编程时，注意Z方向的数值正负号。 ?认真计算圆弧连接点和各基点的坐标值，确保走刀正确。 2.其他注意事项 ?安全第一，必须在老师的指导下，严格按照数控铣床安全操作规程，有步骤的进行。 ?首次模拟可按控制面板上的“机床锁住”按钮，将机床锁住，看其图形模拟走刀轨迹是否正确，再关闭“机床锁住”进行刀具实际轨迹模拟。 equipment, components, equipment, temporary construction facilities, processed with strict compliance with provisions of construction floor plans, smooth roads and drainage, site formation. ----3, the site looks dignified and elegant and tidy, advertising slogans to write eye-catching appearance, walls to be clean and tidy. 4, "six-second figure"----cards to complete, custom, eye-catching, hanging in the obvious place. Management----5, district administration, "launch of Qing dynasty" focuses on managing the "cleaning, recycling, use," four Central Bank; the work is finished, clean, clear, work product protection in all procedures to periodically check the appraisals in a timely manner. 6, clean health----engineering work sites, temporary facilities clean and tidy inside and outside. 7, mechanical health----engineering machinery, vehicles are maintained in good condition, looks clean, and free from dirt, dust, electrical switchgear (box) complete with lock, mechanical safety protection equipment and complete, sensitive and reliable. 8, fire, defend----perfect fire system, set in accordance with requirements of fire equipment, set up obvious fire safety signs and signage, provide effective fire-fighting equipment, establishment of a security system, and out of the site staff to wear to work, marks and signs, implements 实训三 外轮廓加工实训 一. 实训目的 1.掌握轮廓加工的工艺和方法。 2.掌握编程原点的选择原则。 3.熟悉数控铣床上工件的装夹、找正。 4.掌握试切对刀方法及自动加工的过程及注意事项。 5.掌握程序校验的方法和步骤。 二. 实训设备、材料及工具 1.发那科数控铣床1台、日本三菱数控铣床1台、华中世纪星数控铣床2台 2.游标卡尺0,125mm 50~75外径千分尺 0~30深度尺 3. Φ10键槽铣刀 Φ12/Φ16立铣刀 4.零件毛坯 Φ100×60 若干 三. 实训内容 加工零件如下图，毛坯外径Φ100×60的铝合金，编制数控加工程序。 四. 实训步骤 1.分析工件图样，选择定位基准和加工方法，确定走刀路线选择刀具和装夹方法，确定切削用量参数。 2.数控加工程序卡 根据零件的加工工艺分析和所使用的数控铣床的编程指令说明，编写加工程序， 3.数控铣床对刀操作 4.输入程序、检查 程序的编写要做到，严谨、仔细、认真，以避免不必要的错误。 5.程序图形模拟校验 6.零件自动加工 对于初学者，应多采用单段执行循环，并将有关倍率开关修调到最低，便于边加工边分析，以避免某些错误。 7.根据零件图纸要求，选择量具对工件进行，并对零件进行质量分析。 equipment, components, equipment, temporary construction facilities, processed with strict compliance with provisions of construction floor plans, smooth roads and drainage, site formation. ----3, the site looks dignified and elegant and tidy, advertising slogans to write eye-catching appearance, walls to be clean and tidy. 4, "six-second figure"----cards to complete, custom, eye-catching, hanging in the obvious place. Management----5, district administration, "launch of Qing dynasty" focuses on managing the "cleaning, recycling, use," four Central Bank; the work is finished, clean, clear, work product protection in all procedures to periodically check the appraisals in a timely manner. 6, clean health----engineering work sites, temporary facilities clean and tidy inside and outside. 7, mechanical health----engineering machinery, vehicles are maintained in good condition, looks clean, and free from dirt, dust, electrical switchgear (box) complete with lock, mechanical safety protection equipment and complete, sensitive and reliable. 8, fire, defend----perfect fire system, set in accordance with requirements of fire equipment, set up obvious fire safety signs and signage, provide effective fire-fighting equipment, establishment of a security system, and out of the site staff to wear to work, marks and signs, implements 五.注意事项 1.工件装夹的可靠性 2.刀具装夹的可靠性 3.机床在试运行前必须进行图形模拟加工，避免程序错误、刀具碰撞工件或夹具。 4.快速进刀和退刀时，一定要注意不要碰上工件和夹具。 5.加工零件过程中一定要提高警惕，将手放在“急停”按钮上，如遇到紧急情况，迅速按下“急停”按钮，防止意外事故发生。 equipment, components, equipment, temporary construction facilities, processed with strict compliance with provisions of construction floor plans, smooth roads and drainage, site formation. ----3, the site looks dignified and elegant and tidy, advertising slogans to write eye-catching appearance, walls to be clean and tidy. 4, "six-second figure"----cards to complete, custom, eye-catching, hanging in the obvious place. Management----5, district administration, "launch of Qing dynasty" focuses on managing the "cleaning, recycling, use," four Central Bank; the work is finished, clean, clear, work product protection in all procedures to periodically check the appraisals in a timely manner. 6, clean health----engineering work sites, temporary facilities clean and tidy inside and outside. 7, mechanical health----engineering machinery, vehicles are maintained in good condition, looks clean, and free from dirt, dust, electrical switchgear (box) complete with lock, mechanical safety protection equipment and complete, sensitive and reliable. 8, fire, defend----perfect fire system, set in accordance with requirements of fire equipment, set up obvious fire safety signs and signage, provide effective fire-fighting equipment, establishment of a security system, and out of the site staff to wear to work, marks and signs, implements 实训四 孔系加工实训 一. 实验目的 1.了解数控铣床孔系加工时的特点。 2.掌握孔系加工工艺分析的步骤和方法。 3.掌握进给速度的计算方法。 二. 实验设备、材料及工具 1.发那科数控铣床1台、日本三菱数控铣床1台、华中世纪星数控铣床2台 2.游标卡尺0,125mm 50~75外径千分尺 0~30深度尺 3. Φ10键槽铣刀 Φ12/Φ16立铣刀 4.零件毛坯 Φ100×60 若干 三. 实训内容 零件如下图，毛坯外径Φ100X60，编制数控加工程序。 四.实训步骤 1.分析工件图样，选择定位基准和加工方法，确定走刀路线选择刀具和装夹方法，确定切削用量参数。 2.数控加工程序卡 根据零件的加工工艺分析和所使用的数控铣床的编程指令说明，编写加工程序， 五.注意事项 1.机床在试运行前必须进行图形模拟加工，避免程序错误、刀具碰撞工件或夹具。 2.快速进刀和退刀时，一定要注意不要碰上工件和夹具。 3.加工零件过程中一定要提高警惕，将手放在“急停”按钮上，如遇到紧急情况，迅速按下“急停”按钮，防止意外事故发生。 equipment, components, equipment, temporary construction facilities, processed with strict compliance with provisions of construction floor plans, smooth roads and drainage, site formation. ----3, the site looks dignified and elegant and tidy, advertising slogans to write eye-catching appearance, walls to be clean and tidy. 4, "six-second figure"----cards to complete, custom, eye-catching, hanging in the obvious place. Management----5, district administration, "launch of Qing dynasty" focuses on managing the "cleaning, recycling, use," four Central Bank; the work is finished, clean, clear, work product protection in all procedures to periodically check the appraisals in a timely manner. 6, clean health----engineering work sites, temporary facilities clean and tidy inside and outside. 7, mechanical health----engineering machinery, vehicles are maintained in good condition, looks clean, and free from dirt, dust, electrical switchgear (box) complete with lock, mechanical safety protection equipment and complete, sensitive and reliable. 8, fire, defend----perfect fire system, set in accordance with requirements of fire equipment, set up obvious fire safety signs and signage, provide effective fire-fighting equipment, establishment of a security system, and out of the site staff to wear to work, marks and signs, implements 实训五 内轮廓加工实训 一. 实训目的 1. 掌握轮廓加工的工艺分析和方法。 2. 掌握编程原点的选择原则。 3. 掌握程序校验的方法和步骤。 二. 实训设备、材料及工具 1.发那科数控铣床1台、日本三菱数控铣床1台、华中世纪星数控铣床2台 2.游标卡尺0,125mm 50~75外径千分尺 0~30深度尺 3. Φ10键槽铣刀 Φ12/Φ16立铣刀 4.零件毛坯 Φ100×60 若干 三. 实训内容 加工零件如下图，毛坯外径Φ100×60编制数控加工程序。 四.实训步骤 1.分析工件图样，选择定位基准和加工方法，确定走刀路线选择刀具和装夹方法，确定切削用量参数。 2.数控加工程序卡 根据零件的加工工艺分析和所使用的数控铣床的编程指令说明，编写加工程序， 五.注意事项 1.编程注意事项 ?程序中的刀具起始位置要考虑到毛坯实际尺寸大小。 ?在编写端面程序时，注意Z向吃刀量。 2.其他注意事项 ?必须确认工件夹紧、程序正确后才能自动加工，严禁工件转动时测量、触摸工件。 ?操作中出现工件跳动、打抖、异常声音等情况时，必须立即停车处理。 ?加工零件过程中一定要提高警惕，将手放在“急停”按钮上，如遇到紧急情况，迅速按下“急停”按钮，防止意外事故发生。 ?采用课堂所讲述的精度控制方法进行精度控制。 equipment, components, equipment, temporary construction facilities, processed with strict compliance with provisions of construction floor plans, smooth roads and drainage, site formation. ----3, the site looks dignified and elegant and tidy, advertising slogans to write eye-catching appearance, walls to be clean and tidy. 4, "six-second figure"----cards to complete, custom, eye-catching, hanging in the obvious place. Management----5, district administration, "launch of Qing dynasty" focuses on managing the "cleaning, recycling, use," four Central Bank; the work is finished, clean, clear, work product protection in all procedures to periodically check the appraisals in a timely manner. 6, clean health----engineering work sites, temporary facilities clean and tidy inside and outside. 7, mechanical health----engineering machinery, vehicles are maintained in good condition, looks clean, and free from dirt, dust, electrical switchgear (box) complete with lock, mechanical safety protection equipment and complete, sensitive and reliable. 8, fire, defend----perfect fire system, set in accordance with requirements of fire equipment, set up obvious fire safety signs and signage, provide effective fire-fighting equipment, establishment of a security system, and out of the site staff to wear to work, marks and signs, implements 实训六 综合练习 二. 实训目的 1掌握刀具补偿的方法。 2掌握普通机床难加工的圆弧、曲面的编程。 3能够熟练操作数控铣床完成工件的加工全过程。 4.能够熟练的完成程序的输入、检索、修改、增删及面板操作。 二. 实训设备、材料及工具 1.发那科数控铣床1台、日本三菱数控铣床1台、华中世纪星数控铣床2台 2.游标卡尺0,125mm 50~75外径千分尺 0~30深度尺 3. Φ10键槽铣刀 Φ12/Φ16立铣刀 4.零件毛坯 Φ100×60 若干 三. 实训内容 加工零件如下图，毛坯外径Φ100×60编制数控加工程序。 四.实训步骤 1.分析工件图样，选择定位基准和加工方法，确定走刀路线选择刀具和装夹方法，确定切削用量参数。 2.数控加工程序卡 根据零件的加工工艺分析和所使用的数控铣床的编程指令说明，编写加工程序 五.注意事项 1.编程注意事项 ?程序中的刀具起始位置要考虑到毛坯实际尺寸大小。 ?在编写端面程序时，注意Z向吃刀量。 2.其他注意事项 ?必须确认工件夹紧、程序正确后才能自动加工，严禁工件转动时测量、触摸工件。 ?操作中出现工件跳动、打抖、异常声音等情况时，必须立即停车处理。 ?加工零件过程中一定要提高警惕，将手放在“急停”按钮上，如遇到紧急情况，迅速按下“急停”按钮，防止意外事故发生。 ?采用课堂所讲述的精度控制方法进行精度控制。 equipment, components, equipment, temporary construction facilities, processed with strict compliance with provisions of construction floor plans, smooth roads and drainage, site formation. ----3, the site looks dignified and elegant and tidy, advertising slogans to write eye-catching appearance, walls to be clean and tidy. 4, "six-second figure"----cards to complete, custom, eye-catching, hanging in the obvious place. Management----5, district administration, "launch of Qing dynasty" focuses on managing the "cleaning, recycling, use," four Central Bank; the work is finished, clean, clear, work product protection in all procedures to periodically check the appraisals in a timely manner. 6, clean health----engineering work sites, temporary facilities clean and tidy inside and outside. 7, mechanical health----engineering machinery, vehicles are maintained in good condition, looks clean, and free from dirt, dust, electrical switchgear (box) complete with lock, mechanical safety protection equipment and complete, sensitive and reliable. 8, fire, defend----perfect fire system, set in accordance with requirements of fire equipment, set up obvious fire safety signs and signage, provide effective fire-fighting equipment, establishment of a security system, and out of the site staff to wear to work, marks and signs, implements 实训项目:内轮廓加工(数铣) 一:实例加工条件编制图示零件的加工程序: 工件材料 LY12 刀具材料 W18Cr4V 机 床 XKA7140数控铣床 二:零件图 如图中所示矩形的内轮廓，圆的外轮廓数控加工程序，要求使用刀补，铣刀直径 10mm,一次下刀8mm。 R10 7050 850 7018 图1 三:工艺分析 1.首先根据图纸要求按先主后次的加工原则，确定工艺路线 (1)下刀。 (2)加工矩形的内轮廓。 (3)加工圆的外轮廓，提刀。 2.选择刀具,对刀，确定工件原点 根据加工要求需选用1把键槽铣刀，直径10mm, 刀补在面板上输入。用随机 对刀法确定工件原点。 数控铣床程序编辑及基本操作 一. 实训目的 1.了解数控铣削的安全操作规程 2.掌握数控铣床的基本操作及步骤 3.熟练掌握数控铣床操作面板上各个按键的功用及其使用方法。 4.对操作者的有关要求 5.掌握数控铣削加工中的基本操作技能 6.培养良好的职业道德 二. 实训内容 1.安全技术(课堂讲述) 2.数控铣床的操作面板与控制面板(现场演示) 3.数控铣床的基本操作 equipment, components, equipment, temporary construction facilities, processed with strict compliance with provisions of construction floor plans, smooth roads and drainage, site formation. ----3, the site looks dignified and elegant and tidy, advertising slogans to write eye-catching appearance, walls to be clean and tidy. 4, "six-second figure"----cards to complete, custom, eye-catching, hanging in the obvious place. Management----5, district administration, "launch of Qing dynasty" focuses on managing the "cleaning, recycling, use," four Central Bank; the work is finished, clean, clear, work product protection in all procedures to periodically check the appraisals in a timely manner. 6, clean health----engineering work sites, temporary facilities clean and tidy inside and outside. 7, mechanical health----engineering machinery, vehicles are maintained in good condition, looks clean, and free from dirt, dust, electrical switchgear (box) complete with lock, mechanical safety protection equipment and complete, sensitive and reliable. 8, fire, defend----perfect fire system, set in accordance with requirements of fire equipment, set up obvious fire safety signs and signage, provide effective fire-fighting equipment, establishment of a security system, and out of the site staff to wear to work, marks and signs, implements ?数控铣床的启动和停止:启动和停止的过程 ?数控铣床的手动操作:手动操作回参考点、手动连续进给、增量进给、手轮进给 ?数控铣床的MDA运行:MDA的运行步骤 ?数控铣床的程序和管理 ?加工程序的输入练习 三. 实训设备 1.GSK928数控铣床8台、GSK980数控铣床6台 四. 实训步骤 1. 开机、关机、急停、复位、回机床参考点、超程解除操作步骤 ?机床的启动 (2)关机操作步骤 (3)回零(ZERO) (4)急停、复位 (5)超程解除步骤 2.手动操作步骤 1)点动操作 ( (2)增量进给 (3)手摇进给 (4)手动数据输入MDA操作 (5)对刀操作(现场演示) 3.程序编辑 (1)编辑新程序 (2)选择已编辑程序 4.程序运行 (1)程序模拟运行 (2)程序的单段运行 (3)程序自动运行 5.数据设置 (1)刀偏数据设置 (2)刀补数据设置 (3)零点偏置数据设定 (4)显示设置 (5)工作图形显示 equipment, components, equipment, temporary construction facilities, processed with strict compliance with provisions of construction floor plans, smooth roads and drainage, site formation. ----3, the site looks dignified and elegant and tidy, advertising slogans to write eye-catching appearance, walls to be clean and tidy. 4, "six-second figure"----cards to complete, custom, eye-catching, hanging in the obvious place. Management----5, district administration, "launch of Qing dynasty" focuses on managing the "cleaning, recycling, use," four Central Bank; the work is finished, clean, clear, work product protection in all procedures to periodically check the appraisals in a timely manner. 6, clean health----engineering work sites, temporary facilities clean and tidy inside and outside. 7, mechanical health----engineering machinery, vehicles are maintained in good condition, looks clean, and free from dirt, dust, electrical switchgear (box) complete with lock, mechanical safety protection equipment and complete, sensitive and reliable. 8, fire, defend----perfect fire system, set in accordance with requirements of fire equipment, set up obvious fire safety signs and signage, provide effective fire-fighting equipment, establishment of a security system, and out of the site staff to wear to work, marks and signs, implements 五. 注意事项 1.操作数控铣床时应确保安全。包括人身和设备的安全 2.禁止多人同时操作机床 3.禁止让机床在同一方向连续“超程” 数控铣床(加工中心)零件程序编制加工实训 一. 实训目的 1.熟练掌握数控铣床(加工中心)操作面板上各个按键的功用及其使用方法。 2.掌握G02、G03、CR=倒角指令与G01、G00指令的应用和编程方法; 3.掌握子程序L P调用、G90、G91、在程序编制中的应用。 4.掌握程序输入及修改方法。 5.熟练掌握程序输入的正确性及检验; 二. 实训设备 1.X714数控铣床 5台 三. 实训内容 1.如图2—1所示成型面零件，已知毛坯尺寸为Φ100×80，编写数控加工程序并进行图形模拟加工。 图2—1 四. 实训步骤 1.开机 2.编写图2—1加工程序 3.程序输入 4.检验程序及各字符的正确性 equipment, components, equipment, temporary construction facilities, processed with strict compliance with provisions of construction floor plans, smooth roads and drainage, site formation. ----3, the site looks dignified and elegant and tidy, advertising slogans to write eye-catching appearance, walls to be clean and tidy. 4, "six-second figure"----cards to complete, custom, eye-catching, hanging in the obvious place. Management----5, district administration, "launch of Qing dynasty" focuses on managing the "cleaning, recycling, use," four Central Bank; the work is finished, clean, clear, work product protection in all procedures to periodically check the appraisals in a timely manner. 6, clean health----engineering work sites, temporary facilities clean and tidy inside and outside. 7, mechanical health----engineering machinery, vehicles are maintained in good condition, looks clean, and free from dirt, dust, electrical switchgear (box) complete with lock, mechanical safety protection equipment and complete, sensitive and reliable. 8, fire, defend----perfect fire system, set in accordance with requirements of fire equipment, set up obvious fire safety signs and signage, provide effective fire-fighting equipment, establishment of a security system, and out of the site staff to wear to work, marks and signs, implements 5.模拟自动加工运行 6.观察机床的程序运行情况及刀具的运行轨迹。 7.回参考点 五.注意事项 1.编程注意事项 ?编程时，注意Z方向的数值正负号。 ?认真计算圆弧连接点和各基点的坐标值，确保走刀正确。 2.其他注意事项 ?安全第一，必须在老师的指导下，严格按照数控铣床安全操作规程，有步骤的进行。 ?首次模拟可按控制面板上的“机床锁住”按钮，将机床锁住，看其图形模拟走刀轨迹是否正确，再关闭“机床锁住”进行刀具实际轨迹模拟。 外轮廓加工实训 一. 实训目的 1.掌握轮廓加工的工艺分析和方法。 2.掌握编程原点的选择原则。 3.熟悉数控铣床上工件的装夹、找正。 4.掌握试切对刀方法及自动加工的过程及注意事项。 5.掌握程序校验的方法和步骤。 二. 实训设备、材料及工具 1.XKA714/A数控铣床 2台(SIEMENS802D) XK5030数控铣床3台(SIEMENS802S) 2.游标卡尺0,125mm 50~75外径千分尺 0~30深度尺 3. Φ10键槽铣刀 Φ12/Φ16立铣刀 4.零件毛坯 Φ100×60 若干 三. 实训内容 加工零件如下图，毛坯外径Φ100×60的铝合金，编制数控加工程序。 四. 实训步骤 1.分析工件图样，选择定位基准和加工方法，确定走刀路线选择刀具和装夹方法，确定切削用量参数。 2.数控加工程序卡 根据零件的加工工艺分析和所使用的数控铣床的编程指令说明，编写加工程序，填写程序卡， equipment, components, equipment, temporary construction facilities, processed with strict compliance with provisions of construction floor plans, smooth roads and drainage, site formation. ----3, the site looks dignified and elegant and tidy, advertising slogans to write eye-catching appearance, walls to be clean and tidy. 4, "six-second figure"----cards to complete, custom, eye-catching, hanging in the obvious place. Management----5, district administration, "launch of Qing dynasty" focuses on managing the "cleaning, recycling, use," four Central Bank; the work is finished, clean, clear, work product protection in all procedures to periodically check the appraisals in a timely manner. 6, clean health----engineering work sites, temporary facilities clean and tidy inside and outside. 7, mechanical health----engineering machinery, vehicles are maintained in good condition, looks clean, and free from dirt, dust, electrical switchgear (box) complete with lock, mechanical safety protection equipment and complete, sensitive and reliable. 8, fire, defend----perfect fire system, set in accordance with requirements of fire equipment, set up obvious fire safety signs and signage, provide effective fire-fighting equipment, establishment of a security system, and out of the site staff to wear to work, marks and signs, implements 3.数控铣床对刀操作 4.输入程序、检查 程序的编写要做到，严谨、仔细、认真，以避免不必要的错误。 5.程序图形模拟校验 6.零件自动加工 对于初学者，应多采用单段执行循环，并将有关倍率开关修调到最低，便于边加工边分析，以避免某些错误。 7.根据零件图纸要求，选择量具对工件进行检测，并对零件进行质量分析。 五.注意事项 1.工件装夹的可靠性 2.刀具装夹的可靠性 3.机床在试运行前必须进行图形模拟加工，避免程序错误、刀具碰撞工件或夹具。 4.快速进刀和退刀时，一定要注意不要碰上工件和夹具。 5.加工零件过程中一定要提高警惕，将手放在“急停”按钮上，如遇到紧急情况，迅速按下“急停”按钮，防止意外事故发生。 孔系加工实训 一. 实验目的 1.了解数控铣床孔系加工时的特点。 2.掌握孔系加工工艺分析的步骤和方法。 3.掌握进给速度的计算方法。 二. 实验设备、材料及工具 1.XKA714/A数控铣床 2台(SIEMENS802D) XK5030数控铣床3台(SIEMENS802S) 2.游标卡尺0,125mm 50~75外径千分尺 0~30深度尺 3. Φ10键槽铣刀 Φ12/Φ16立铣刀 4.零件毛坯 Φ100×60 若干 三. 实训内容 零件如下图，毛坯外径Φ100X60，编制数控加工程序。 equipment, components, equipment, temporary construction facilities, processed with strict compliance with provisions of construction floor plans, smooth roads and drainage, site formation. ----3, the site looks dignified and elegant and tidy, advertising slogans to write eye-catching appearance, walls to be clean and tidy. 4, "six-second figure"----cards to complete, custom, eye-catching, hanging in the obvious place. Management----5, district administration, "launch of Qing dynasty" focuses on managing the "cleaning, recycling, use," four Central Bank; the work is finished, clean, clear, work product protection in all procedures to periodically check the appraisals in a timely manner. 6, clean health----engineering work sites, temporary facilities clean and tidy inside and outside. 7, mechanical health----engineering machinery, vehicles are maintained in good condition, looks clean, and free from dirt, dust, electrical switchgear (box) complete with lock, mechanical safety protection equipment and complete, sensitive and reliable. 8, fire, defend----perfect fire system, set in accordance with requirements of fire equipment, set up obvious fire safety signs and signage, provide effective fire-fighting equipment, establishment of a security system, and out of the site staff to wear to work, marks and signs, implements 四.实训步骤 1.分析工件图样，选择定位基准和加工方法，确定走刀路线选择刀具和装夹方法，确定切削用量参数。 2.数控加工程序卡 根据零件的加工工艺分析和所使用的数控铣床的编程指令说明，编写加工程序， 五.注意事项 1.机床在试运行前必须进行图形模拟加工，避免程序错误、刀具碰撞工件或夹具。 2.快速进刀和退刀时，一定要注意不要碰上工件和夹具。 3.加工零件过程中一定要提高警惕，将手放在“急停”按钮上，如遇到紧急情况，迅速按下“急停”按钮，防止意外事故发生。 内轮廓加工实训 一. 实训目的 1. 掌握轮廓加工的工艺分析和方法。 2. 掌握编程原点的选择原则。 3. 掌握程序校验的方法和步骤。 二. 实训设备、材料及工具 1.XKA714/A数控铣床 2台(SIEMENS802D) XK5030数控铣床3台(SIEMENS802S) 2.游标卡尺0,125mm 50~75外径千分尺 0~30深度尺 3. Φ10键槽铣刀 Φ12/Φ16立铣刀 ×60 若干 4.零件毛坯 Φ100 三. 实训内容 加工零件如下图，毛坯外径Φ100×60编制数控加工程序。 四.实训步骤 1.分析工件图样，选择定位基准和加工方法，确定走刀路线选择刀具和装夹方法，确定切削用量参数。 2.数控加工程序卡 根据零件的加工工艺分析和所使用的数控铣床的编程指令说明，编写加工程序， 1.编程注意事项 ?程序中的刀具起始位置要考虑到毛坯实际尺寸大小。 ?在编写端面程序时，注意Z向吃刀量。 2.其他注意事项 ?必须确认工件夹紧、程序正确后才能自动加工，严禁工件转动时测量、触摸工件。 equipment, components, equipment, temporary construction facilities, processed with strict compliance with provisions of construction floor plans, smooth roads and drainage, site formation. ----3, the site looks dignified and elegant and tidy, advertising slogans to write eye-catching appearance, walls to be clean and tidy. 4, "six-second figure"----cards to complete, custom, eye-catching, hanging in the obvious place. Management----5, district administration, "launch of Qing dynasty" focuses on managing the "cleaning, recycling, use," four Central Bank; the work is finished, clean, clear, work product protection in all procedures to periodically check the appraisals in a timely manner. 6, clean health----engineering work sites, temporary facilities clean and tidy inside and outside. 7, mechanical health----engineering machinery, vehicles are maintained in good condition, looks clean, and free from dirt, dust, electrical switchgear (box) complete with lock, mechanical safety protection equipment and complete, sensitive and reliable. 8, fire, defend----perfect fire system, set in accordance with requirements of fire equipment, set up obvious fire safety signs and signage, provide effective fire-fighting equipment, establishment of a security system, and out of the site staff to wear to work, marks and signs, implements ?操作中出现工件跳动、打抖、异常声音等情况时，必须立即停车处理。 ?加工零件过程中一定要提高警惕，将手放在“急停”按钮上，如遇到紧急情况，迅速按下“急停”按钮，防止意外事故发生。 ?采用课堂所讲述的精度控制方法进行精度控制。 综合练习 二. 实训目的 1掌握刀具补偿的方法。 2掌握普通机床难加工的圆弧、曲面的编程。 3能够熟练操作数控铣床完成工件的加工全过程。 4.能够熟练的完成程序的输入、检索、修改、增删及面板操作。 二. 实训设备、材料及工具 1.XKA714/A数控铣床 2台(SIEMENS802D) XK5030数控铣床3台(SIEMENS802S) 2.游标卡尺0,125mm 50~75外径千分尺 0~30深度尺 3. Φ10键槽铣刀 Φ12/Φ16立铣刀 4.零件毛坯 Φ100×60 若干 三. 实训内容 加工零件如下图，毛坯外径Φ100×60编制数控加工程序。 四.实训步骤 1.分析工件图样，选择定位基准和加工方法，确定走刀路线选择刀具和装夹方法，确定切削用量参数。 2.数控加工程序卡 根据零件的加工工艺分析和所使用的数控铣床的编程指令说明，编写加工程序， 五.注意事项 1.编程注意事项 ?程序中的刀具起始位置要考虑到毛坯实际尺寸大小。 ?在编写端面程序时，注意Z向吃刀量。 2.其他注意事项 ?必须确认工件夹紧、程序正确后才能自动加工，严禁工件转动时测量、触摸工件。 ?操作中出现工件跳动、打抖、异常声音等情况时，必须立即停车处理。 ?加工零件过程中一定要提高警惕，将手放在“急停”按钮上，如遇到紧急情况，迅速按下equipment, components, equipment, temporary construction facilities, processed with strict compliance with provisions of construction floor plans, smooth roads and drainage, site formation. ----3, the site looks dignified and elegant and tidy, advertising slogans to write eye-catching appearance, walls to be clean and tidy. 4, "six-second figure"----cards to complete, custom, eye-catching, hanging in the obvious place. Management----5, district administration, "launch of Qing dynasty" focuses on managing the "cleaning, recycling, use," four Central Bank; the work is finished, clean, clear, work product protection in all procedures to periodically check the appraisals in a timely manner. 6, clean health----engineering work sites, temporary facilities clean and tidy inside and outside. 7, mechanical health----engineering machinery, vehicles are maintained in good condition, looks clean, and free from dirt, dust, electrical switchgear (box) complete with lock, mechanical safety protection equipment and complete, sensitive and reliable. 8, fire, defend----perfect fire system, set in accordance with requirements of fire equipment, set up obvious fire safety signs and signage, provide effective fire-fighting equipment, establishment of a security system, and out of the site staff to wear to work, marks and signs, implements “急停”按钮，防止意外事故发生。 ?采用课堂所讲述的精度控制方法进行精度控制。 equipment, components, equipment, temporary construction facilities, processed with strict compliance with provisions of construction floor plans, smooth roads and drainage, site formation. ----3, the site looks dignified and elegant and tidy, advertising slogans to write eye-catching appearance, walls to be clean and tidy. 4, "six-second figure"----cards to complete, custom, eye-catching, hanging in the obvious place. Management----5, district administration, "launch of Qing dynasty" focuses on managing the "cleaning, recycling, use," four Central Bank; the work is finished, clean, clear, work product protection in all procedures to periodically check the appraisals in a timely manner. 6, clean health----engineering work sites, temporary facilities clean and tidy inside and outside. 7, mechanical health----engineering machinery, vehicles are maintained in good condition, looks clean, and free from dirt, dust, electrical switchgear (box) complete with lock, mechanical safety protection equipment and complete, sensitive and reliable. 8, fire, defend----perfect fire system, set in accordance with requirements of fire equipment, set up obvious fire safety signs and signage, provide effective fire-fighting equipment, establishment of a security system, and out of the site staff to wear to work, marks and signs, implements