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Mastercam实验报告.doc

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1、_CADCAM实验报告 Xxxxxxxxxxx一、实验目的1、熟悉MasterCAM的基本界面结构和操作方式;2、掌握利用MasterCAM进行二维绘图的基本方法和指令;3、利用二维绘图菜单常用项进行绘图练习,以达到进一步熟悉掌握菜单使用的目的;6、掌握图形中图素的分析方法,为综合图形的分析打基础。二、实验内容1、熟悉Creat菜单下二维绘图命令的操作;2、熟悉Modify、Xform菜单下的图形编辑命令的操作;3、熟悉Cplane、Gview及Z向深度的建立和设置方法;4、理解利用基本绘图命令和Cplane、Gview及Z向深度的设定,构建三维线框图的方法和技巧;5、完成指导教师指定的图形的

2、绘制。三、实验原理、方法和手段MasterCAM是美国CNC Software公司研制开发的CAD/CAM系统,由于其具有良好的性能价格比,在国际CAD/CAM领域中,其装机量居世界第一。包括美国在内的各工业大国皆采用本系统作为设计、加工制造的标准。利用该软件不仅可以实现计算机辅助NC程序编制,还可以实现计算机辅助设计制造一体化。四、实验步骤1、利用MasterCAM绘制零件图1.运行MasterCAM2.修改图素属性,红色 中心线3.绘图,水平线 输入坐标 第一点(-20,0) 第二点(400,0)如图14.绘制上半层轮廓 直线段: (0,0) (0,42.5) (0,42.5) (65,4

3、2.5) (65,42.5) (65,40) (65,40) (65,0) (65,40) (75,40) (75.40) (75,0) (135,40) (150,40) (135,40) (135,0) (150,40) (150,0) (155,32) (170,32) (155,32 ) (155,0) (170,32) (170,0) (230,25) (230,0) (235,24) (287,24) (235,24) (235,0) (287,24) (287,0) (235,21) (230,21) (290,0) (290,22) 用端点形式把部分小线段连接起来 画弧线段R7

4、0:两点画弧,选择亮点 输入70,选取所要的弧线完成后如图25.转换,镜射,选取上半层所有的图素,点击执行,选择X轴,选择copy,ok 得到图36.标记尺寸,尺寸标注中尺寸属性小数位后改为0 将图中尺寸一一标注 得图42、利用MasterCAM绘制零件三维模型2.1光滑螺钉1.运行MasterCAM2.点击绘图,直线,绘制以下直线(0,0) (0,-35)(0,-35) (-4,-35)(-4,-35) (-4,-20)(-4,-20) (-7,-20)(-7,-20) (-7,-5)(-7,-5) (-10,-5)(-10,-5) (-10,0)(-10,0) (0,0) 得到图53.回主

5、菜单,选择实体,旋转,串连,选择2中绘制的图形,选择执行,再点击图形右边缘直线作为旋转轴,执行,默认选择creatbody,点击ok 得到图6,荧幕视角,动态旋转 可以调整视角如图74.回主功能表,绘图,矩形,一点,输入width 5.0 height5.0得到矩形,输入中心坐标0,0,矩形放置在如图8所示位置5.回主功能表,实体,挤出,串连,选取4中绘制的矩形,点击执行,执行,选择Cutbody和Extend through all 勾选Both directions,点击OK 得到如图96.点击上方工具条中彩现,点击OK,得到如图107.回主功能表,选择实体,倒圆角,实体边界,在图形上选取

6、边界,点击执行,输入倒圆角尺寸 1,点击OK,得到图112.2三耳坐1.运行MasterCAM,主菜单,绘图,矩形,一点,输入width40 height 30 点击OK,输入0,0 放置矩形,如图122.回主功能表,绘图,圆弧,点半径圆,输入半径:15,输入圆心:(-20,0)再输入圆心:(20,0)如图133.回主功能表,修整,打断,在交点处,将图形在交点分割4.回主功能表,删除,仅某图素,圆弧,选择要删除的圆弧,得到图145.回主功能表,绘图,点半径圆,输入半径5,圆心(-20,0),再次输入圆心(20,0),如图156.回主功能表,实体,挤出,串连,选择5中绘制的图形,选择执行,输入d

7、istance 10 点击OK,得到图167.回主功能表,绘图,矩形,一点,选择中下的矩形,输入width 30 height 10,点击OK,输入基点坐标(0,10)如图178.回主功能表,绘图,圆弧,点半径圆,输入半径15,输入圆心(0,20)回主功能表,修整,打断,交点处将圆弧打断,回主功能表,删除,仅某图素,删除直线和圆弧9.回主功能表,绘图,圆弧,点半径圆,输入半径5,输入圆心(0,20)得图1810.回主功能表,实体,挤出,串连,选取9中绘制的图形,执行,执行,选择AddBoss 输入Distance5,勾选both directions点击OK 得图1911.回主功能表,实体,倒

8、角,单一倒角,实体边界选择N,实体面选择N,实体主体选择Y,点击实体,输入倒角尺寸:1,点击OK,得到图2012.点击彩现,得图213、MasterCAM 车削编程 1.运行Lathe 9,档案,取档,打开之前绘制的轴文件,删除下半部分得到图22.2.刀具路径,工作设定,边界的设定,快速移位:1.25 进入/退出:0.25 点击素材,OD:100 Length:320 Base Z:-10 点选On teft face 点击OK3.刀具路径,车端面,选择T0101刀具,homeposition下拉成user defined,点击define 输入D:150 Z:350,点击OK,点击selec

9、t point,框选车端面部分,点击OK,设置粗车步进2,x轴过切量0.5,点击OK,生成车端面示意图,如图234.回主功能表,刀具路径,粗车,单点轴外一点作为进刀点,串连,选取轴右边端点,接续点选为Y,再点击轴上沿最左线段,结束选择,修改参数:depth of cut:2 minimum cut:0.01 stock to leave in:0.2 entry:2.5,设定自动计算进退刀向量,点击确定,自动生成刀具轨迹,如图245.刀具路径设定,精车,单点轴外一点作为进刀点,串连,选取轴上沿的边界线段,结束选取,执行,选择刀具TO242,其余设定参照粗车步骤6.刀具路径,车螺纹,选取M48,

10、起始位置290 终止位置233,确定,点击操作管理,实体切削验证,如图257.点击post ,点选save nc file 点击OK,生成NC文件NC文件如下:%O0000(PROGRAM NAME - ZHOU)(DATE=DD-MM-YY - 29-12-10 TIME=HH:MM - 18:11)N100G20N102G0G17G40G49G80G90(OD ROUGH RIGHT - 80 DEG. TOOL - 1 DIA. OFF. - 41 LEN. - 0 DIA. - 0.)N104T1M6N106G0G90X54.7555Y0.A0.S200M3N108G43H0Z298.

11、M8N110G1X-.5313F.01N112G0Z300.N114X54.7555N116Z296.N118G1X-.5313N120G0Z298.N122X54.7555N124Z294.N126G1X-.5313N128G0Z296.N130X54.7555N132Z292.N134G1X-.5313N136G0Z294.N138X54.7555N140Z290.N142G1X-.5313N144G0Z292.N146X50.2417N148Z314.3365N150Z290.3N152X48.0115N154G1Z.2N156X50.N158X50.0707Z.2707N160G0Z2

12、90.3N162X46.023N164G1Z.2N166X48.0215N168X48.0922Z.2707N170G0Z290.3N172X44.0345N174G1Z.2N176X46.033N178X46.1037Z.2707N180G0Z290.3N182X42.046N184G1Z65.2N186X42.4688N188G3X42.7Z64.9688R.2313N190G1Z.2N192X44.0445N194X44.1152Z.2707N196G0Z290.3N198X40.0576N200G1Z150.1859N202X40.0913Z150.1649N204G3X40.2Z14

13、9.9688R.2313N206G1Z134.9688N208Z74.9688N210Z65.2N212X42.056N214X42.1268Z65.2707N216G0Z290.3N218X38.0691N220G1Z151.4288N222X40.0676Z150.1797N224X40.1383Z150.2504N226G0Z290.3N228X36.0806N230G1Z152.6716N232X38.0791Z151.4225N234X38.1498Z151.4932N236G0Z290.3N238X34.0921N240G1Z153.9144N242X36.0906Z152.665

14、3N244X36.1613Z152.736N246G0Z290.3N248X32.1036N250G1Z170.8084N252X32.1984Z169.9955N254G3X32.2Z169.9688R.2313N256G1Z155.0969N258X34.1021Z153.9081N260X34.1728Z153.9788N262G0Z290.3N264X30.1151N266G1Z187.8526N268X32.1136Z170.7227N270X32.1843Z170.7934N272G0Z290.3N274X28.1266N276G1Z204.8968N278X30.1251Z187

15、.7669N280X30.1958Z187.8376N282G0Z290.3N284X26.1381N286G1Z221.941N288X28.1366Z204.8111N290X28.2073Z204.8818N292G0Z290.3N294X24.1497N296G1Z287.1143N298X24.1612Z287.097N300G3X24.2Z286.9688R.2312N302G1Z234.9916N304X25.1955Z230.0141N306G3X25.1984Z229.9955R.2312N308G1X26.1481Z221.8553N310X26.2188Z221.926N

16、312G0Z290.3N314X22.1612N316G1Z290.097N318X24.1596Z287.0993N320X24.2304Z287.17N322M5N324G91G0G28Z0.M9N326G28X0.Y0.A0.N328M01(OD FINISH RIGHT - 35 DEG. TOOL - 2 DIA. OFF. - 42 LEN. - 0 DIA. - 0.)N330T2M6N332G0G90X21.9974Y0.A0.S200M3N334G43H0Z290.093M8N336G1Z289.993F.01N338X23.9974Z286.993N340G3X24.Z28

17、6.9844R.0156N342G1Z234.9859N344X24.9997Z229.9874N346X24.9999Z229.9862N348X31.9999Z169.9862N350X32.Z169.9844N352Z154.993N354X39.9903Z149.9991N356G3X40.Z149.9816R.0206N358G1Z134.9844N360Z74.9844N362Z65.N364X42.4794N366G3X42.5Z64.9794R.0206N368G1Z0.N370X42.5707Z.0707N372G0X35.5918Z285.4123N374M5N376G91

18、G28Z0.M9N378G28X0.Y0.A0.N380M01(OD THREAD RIGHT TOOL - 3 DIA. OFF. - 43 LEN. - 0 DIA. - 0.)N382T3M6N384G0G90X1.0449Y0.A0.S200M3N386G43H0Z290.1412M8N388X24.1Z234.2387N390G1X22.505Z231.3881F20.N392G0X24.1N394Z231.4869N396G1X22.505N398X22.5248Z231.4671N400G0X24.1N402Z231.2893N404G1X22.505N406X22.5248Z2

19、31.3091N408G0X24.1N410Z231.5857N412G1X22.505N414X22.5248Z231.5659N416G0X24.1N418Z231.1905N420G1X22.505N422X22.5248Z231.2103N424G0X24.1N426Z231.6845N428G1X22.505N430X22.5248Z231.6647N432G0X24.1N434Z231.0917N436G1X22.505N438X22.5248Z231.1115N440G0X24.1N442Z231.7833N444G1X22.505N446X22.5248Z231.7635N44

20、8G0X24.1N450Z230.9929N452G1X22.505N454X22.5248Z231.0127N456G0X24.1N458Z231.8821N460G1X22.505N462X22.5248Z231.8623N464G0X24.1N466Z230.8941N468G1X22.505N470X22.5248Z230.9139N472G0X24.1N474Z231.9809N476G1X22.505N478X22.5248Z231.9611N480G0X24.1N482Z230.7953N484G1X22.505N486X22.5248Z230.8151N488G0X24.1N4

21、90Z232.0797N492G1X22.505N494X22.5248Z232.0599N496G0X24.1N498Z230.6966N500G1X22.505N502X22.5248Z230.7163N504G0X24.1N506Z232.1784N508G1X22.505N510X22.5248Z232.1587N512G0X24.1N514Z230.5978N516G1X22.505N518X22.5248Z230.6175N520G0X24.1N522Z232.2772N524G1X22.505N526X22.5248Z232.2575N528G0X24.1N530Z230.499

22、N532G1X22.505N534X22.5248Z230.5187N536G0X24.1N538Z232.376N540G1X22.505N542X22.5248Z232.3563N544G0X24.1N546Z230.4002N548G1X22.505N550X22.5248Z230.4199N552G0X24.1N554Z232.4748N556G1X22.505N558X22.5248Z232.4551N560G0X24.1N562Z230.3014N564G1X22.505N566X22.5248Z230.3211N568G0X24.1N570Z232.5736N572G1X22.5

23、05N574X22.5248Z232.5539N576G0X24.1N578Z230.2026N580G1X22.505N582X22.5248Z230.2223N584G0X24.1N586Z232.6724N588G1X22.505N590X22.5248Z232.6527N592G0X24.1N594Z230.1038N596G1X22.505N598X22.5248Z230.1236N600G0X24.1N602Z232.7712N604G1X22.505N606X22.5248Z232.7514N608G0X24.1N610Z230.005N612G1X22.505N614X22.5

24、248Z230.0248N616G0X24.1N618Z232.87N620G1X22.505N622X22.5248Z232.8502N624G0X24.1N626Z229.9293N628X24.0707N630G1X24.Z230.N632X22.5N634X22.51Z230.01N636G0X24.0707N638Z232.9457N640G1X24.Z232.875N642X22.5N644Z230.105N646G0X24.0707N648M5N650G91G28Z0.M9N652G28X0.Y0.A0.N654M01(OD THREAD RIGHT TOOL - 4 DIA.

25、OFF. - 44 LEN. - 0 DIA. - 0.)N656T4M6N658G0G90X1.0449Y0.A0.S200M3N660G43H0Z291.33M8N662M5N664G91G28Z0.M9N666G28X0.Y0.A0.N668M30%思考题:1. MasterCAM9.1共有几个模块,分别有哪些功能?答:CAD和CAM两个模块,CAD模块有设计建模功能,CAM模块能够仿真加工MasterCAM中的通用后处理器是什么?有什么作用? 答:PST,定义了切削加工参数,NC程序格式,辅助工艺命令,设置了接口功能参数等。概括利用MasterCAM进行产品CAD、CAM的流程? 答:CAD:1.绘制平面图 2.利用旋转和实体造型绘制三维图。 CAM:1. 设计刀具路径生成加工轨迹。2. 曲面粗加工,刀具路径进行曲面选择和刀具参数设置。3. 曲面精加工。4.完成切削仿真。5.使用后处理模块生成数控程序。Welcome ToDownload !欢迎您的下载,资料仅供参考!精品资料

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