Mastercam实验报告要点.docx

1、Mastercam实验报告要点计算机辅助制造实验（1）报告 姓 名： 谭金龙 学 号： 0806111103 专业班级： 机械1107 中南大学机电工程学院机械制造及其自动化实验内容1 实验要求如下图所示的零件图形，毛坯为 165mm123mm40mm。要求完成：(1) 在通用 CAD/CAM 系统（如：Pro/Engineer，UG 等）的支撑下，学生独立完成零件的实体特征造型。并由三维实体特征自动生成其二维零件工作图。(2) 在 CAD/CAM 系统（Pro/E、MasterCAM 等）的支撑下，学生独立完成指定零件的数控加工编程和加工仿真。包括：􀁺 加工零件图样分析。&

2、#1048698; 定位基准选择及确定装夹方案。􀁺 编制数控加工工序卡，填写工艺卡。􀁺 根据零件的加工要求，合理选择刀具，填写刀具卡。􀁺 根据零件的加工工艺分析和V-60A 立式加工中心的编程指令编写加工程序，填写程序卡。编写数控加工程序时应注意：走刀路线的合理安排；刀具补偿的合理使用。􀁺 加工仿真，验证数控加工程序的正确性。(3) 在虚拟数控机床环境下（如：宇龙数控加工仿真系统），学生独立完成指定零件的虚拟加工。(4) 在教师的指导下，学生分组在数控机床上完成零件的数控切削加工。(5) 独立编写实验报告。2 加工设备及刀

3、、夹、量具加工设备：V-60A 立式加工中心夹具：机用平口虎钳量具：游标卡尺、深度尺刀具：63 盘铣刀5 中心钻20 钻头8.5 钻头M10 丝锥R6 球铣刀12 键槽铣刀（粗）12 键槽铣刀（精）16 立铣刀38 可调镗刀3.零件三维实体特征零件比较简单，三维实体造型过程略，直接附加工完成图4.二维零件工作图5.零件加工工艺分析 零件毛坯尺寸165mm123mm40mm，零件外轮廓及各平面都有很高的加工精度要求，要分粗、精加工，以保证加工尺寸的要求。零件的装夹采用平口钳装夹。在安装工件时，要注意工件安装要放在钳口中间部位，安装台虎钳时，要对它的固定钳口找正，工件被加工部分要高出钳口，避免刀具

4、与钳口发生干涉，安装工件时，注意工件上浮，不影响中间通孔的加工。如图将工件坐标系G54 建立在工件上表面，零件的对称中心处。6编制数控加工刀具表 1 V-60A 立式加工中心数控加工刀具卡片序号加工工具刀具号刀具类型主轴转速S(rpm)进给速度F(mm/min)刀具补偿号及补偿值长度(mm)半径（mm）163面铣刀1面铣刀606242.4H1D1216立铣刀2平底刀2387954.8H2D2312键槽铣刀3键槽铣刀1200240H3D3420钻头4钻头1145274.8538镗刀5镗刀603120.665中心钻6中心钻114557.2578.5钻头7钻头1348161.76810丝锥8右牙刀2

5、2911250097编制数控加工工艺卡片班级机械1107产品名称或代号零件名称零件图号工序号程序编号夹具名称实验装备实验地点工步号工步内容(mm)刀具号刀具规格(mm)主轴转速(rpm)进给速度(mm/min)背吃刀量(mm)备注1粗、精铣上表面163606242.422粗、精铣台阶面163606242.453粗铣外轮廓2162387954.8154挖槽（粗）312120024045粗铣挖槽剩余部分312120024046钻20孔4201145247.87扩孔到3721617905378镗孔到38538603120.69钻中心孔65114557.2510啄8.5孔78.51348161.761

6、1攻M10螺纹81022911250012粗、精铣键槽3121200240413挖槽（精）312120024014精铣挖槽剩余部分312120024015精铣外轮廓2162387954.88数控加工程序编制过程及关键问题的解决 （1）不同的平面加工要用到不同的刀具路径及不同的刀具，要注意结合要求合理选择。（2）零件高度方向各平面尺寸要求较高，加工时要注意设置，要用尺寸链计算方法计算封闭环。（3）挖槽加工时选择大凸台时要注意断点，不然选择不了外轮廓。（4）先粗加工，注意切削参数留余量，精加工时再切除。9.数控加工程序清单%O0000(T)(DATE=DD-MM-YY - 16-12-14 TIM

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9、84N126 X-149.3N128 G0 Z25.269N130 Y58.984N132 Z5.269N134 G1 Z-.031 F121.2N136 X117.8 F242.4N138 Y19.662N140 X-117.8N142 Y-19.662N144 X117.8N146 Y-58.984N148 X-149.3N150 G0 Z24.969N152 X-46. Y-153.936 Z25.N154 Z3.N156 G1 Z-4.497 F121.2N158 X17. F242.4N160 G3 X80. Y-90.936 I0. J63.N162 G1 Y97.504N164

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11、202 G0 Z25.N204 M5N206 G91 G28 Z0.N208 A0.N210 M01N212 T2 M6N214 G0 G90 G54 X-16. Y99.487 A0. S2387 M3N216 G43 H2 Z25.N218 Z3.N220 G1 Z-13.333 F477.4N222 G41 D2 Y83.487 F954.8N224 G3 X0. Y67.487 I16. J0.N226 G1 X80.N228 G2 X88.5 Y58.986 I0. J-8.501N230 G1 Y-58.986N232 G2 X80. Y-67.487 I-8.5 J0.N234

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