教案：数控铣床【项目二】任务三 外轮廓铣削加工

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1、重庆市永川职业教育中心教师统一备课用纸科目数控铣床班级数控11级时间2012.12课时4课题：【项目二】任务三外轮廓铣削加工教学目标掌握外轮加工的工艺教材分析重难点：根据工艺编制合理的程序教学过程Ⅰ、导入语-21-永川职教中心龙檑镭教学过程Ⅱ、新授课一、根据平面图构建立体图-21-永川职教中心龙檑镭教学过程二、根据立体图编制合理加工程序%0003N10T0M6N12G90G54G0X-45.Y-57.5S3000M03N14G43H0Z100.M07N16Z1.N18G01Z-4.F1000N20Y-50.F1200N22Y50.F2000

2、N24G17G02X-40.Y55.I5.J0.N26G01X40.N28G02X45.Y50.I0.J-5.N30G01Y-50.N32G02X40.Y-55.I-5.J0.N34G01X-40.N36G02X-45.Y-50.I0.J5.N38G01X-42.898Y-49.011F1200N40G02X-45.Y-43.89I49.901J23.475F2000N42G01Y50.N44G02X-40.Y55.I5.J0.-21-永川职教中心龙檑镭N46G01X40.N48G02X45.Y50.I0.J-5.N50G01Y-50.N5

3、2G02X40.Y-55.I-5.J0.N54G01X-39.613N56G02X-42.898Y-49.011I46.616J29.464N58G01X-40.183Y-47.734F1200N60G02X-45.Y-29.405I47.186J22.198F2000N62G01Y-21.666N64G02X-44.096Y-15.137I52.003J-3.87N66X-45.Y-14.515I29.066J43.181N68G01Y50.N70G02X-40.Y55.I5.J0.N72G01X40.N74G02X45.Y50.I0.J

4、-5.N76G01Y-50.N78G02X40.Y-55.I-5.J0.N80G01X-36.022N82G02X-40.183Y-47.734I43.025J29.464N84G01X-37.469Y-46.457F1200N86G02X-40.71Y-13.75I44.472J20.921F2000N88X-45.Y-10.789I25.679J41.793N90G01Y50.N92G02X-40.Y55.I5.J0.N94G01X40.N96G02X45.Y50.I0.J-5.N98G01Y-50.N100G02X40.Y-55.I-

5、5.J0.N102G01X-32.332N104G02X-37.469Y-46.457I39.336J29.464-21-永川职教中心龙檑镭N106G01X-34.754Y-45.18F1200N108G02X-37.21Y-12.316I41.757J19.644F2000N110X-45.Y-6.922I22.179J40.359N112G01Y50.N114G02X-40.Y55.I5.J0.N116G01X40.N118G02X45.Y50.I0.J-5.N120G01Y-50.N122G02X40.Y-55.I-5.J0.N124

6、G01X-28.513N126G02X-34.754Y-45.18I35.516J29.464N128G01X-32.039Y-43.903F1200N130G02X-33.556Y-10.819I39.042J18.367F2000N132X-45.Y-2.864I18.526J38.862N134G01Y50.N136G02X-40.Y55.I5.J0.N138G01X40.N140G02X45.Y50.I0.J-5.N142G01Y-50.N144G02X40.Y-55.I-5.J0.N146G01X-24.49N148G02X-26

7、.075Y-53.24I23.714J22.949N150X-32.039Y-43.903I33.078J27.704N152G01X-29.325Y-42.626F1200N154G02X-29.684Y-9.232I36.328J17.09F2000N156X-45.Y1.473I14.654J37.275N158G01Y50.N160G02X-40.Y55.I5.J0.N162G01X40.N164G02X45.Y50.I0.J-5.-21-永川职教中心龙檑镭N166G01Y-50.N168G02X40.Y-55.I-5.J0.N17

8、0G01X-20.251N172X-21.972Y-53.281N174G02X-23.775Y-51.313I21.197J21.23N176X-29.325Y-42.626I