飞机数字化钣金成形技术作业(CATIA数控加工与逆向工程)

1、1 飞机数字化钣金成形技术数控加工：sau 逆向工程：马鞍班级：学号：姓名：2 数控加工加工零件：sau 在坐标纸上画出“sau ”图形，单位关键点在 catia 中建立零件实体生成毛坯加工基本设置模拟加工判断生成 nc 代码结束开始3 第一部分：建立零件盒毛坯1，在坐标纸上画出二维图形，并标出关键坐标，如图：2，在 catia ，零件设计模块中建立实体，如图：4 3，进入 surface machining 模块用 create rough stock 命令建立毛坯，如图：5 第一部分：加工模拟1，切换到 prismatic machining 模块。如图：2，双击 part operati

2、ng.1，设置如图：6 3，加工“ s”槽，设置如图：7 4，加工 ” a” 槽、 ” u” 槽设置类似上一步，不再一一截图8 5，加工模拟效果如图：第三部分：生成nc 代码1，选项设置2，代码类型和保存路径设置9 2，执行生成代码10 第四部分：查看代码1，生成的文件11 3，nc 代码12 逆向工程：1，打开 catia ，开始 -形状 -digitized shape editor 模块3，导入点云文件，如图4，调整属性5，命令做网格线13 6，截取网格线上的点14 7，命令拟合为线段8，打开：开始 -形状-创成式外形设计模块15 9，命令接合断开的线10，命令拟合曲面16 11，命令增

3、厚曲面12，完成，保存文件17 附录：数控加工“sau”nc 代码% o1000 n1 g49 g54 g80 g40 g90 g23 g94 g17 g98 n2 t1 m6 n3 g0 x6. y50. s70 m3 n4 g43 z10. h1 n5 g1 z-5. f300. n6 x6.351 y46.885 f1000. n7 x7.386 y43.926 n8 x9.054 y41.271 n9 x11.271 y39.054 n10 x13.926 y37.386 n11 x16.885 y36.351 n12 x20. y36. n13 x23.327 y35.65 n14

4、x26.508 y34.617 n15 x29.405 y32.944 n16 x31.89 y30.706 n17 x33.856 y28. n18 x35.217 y24.944 n19 x35.912 y21.672 18 n20 y18.328 n21 x35.217 y15.056 n22 x33.856 y12. n23 x31.89 y9.294 n24 x29.405 y7.056 n25 x26.508 y5.383 n26 x23.327 y4.35 n27 x20. y4. n28 x4. n29 y6. n30 x20. n31 x23.115 y6.351 n32 x

5、26.074 y7.386 n33 x28.729 y9.054 n34 x30.946 y11.271 n35 x32.614 y13.926 n36 x33.649 y16.885 n37 x34. y20. n38 x33.649 y23.115 n39 x32.614 y26.074 n40 x30.946 y28.729 n41 x28.729 y30.946 19 n42 x26.074 y32.614 n43 x23.115 y33.649 n44 x20. y34. n45 x16.673 y34.35 n46 x13.492 y35.383 n47 x10.595 y37.0

6、56 n48 x8.11 y39.294 n49 x6.144 y42. n50 x4.783 y45.056 n51 x4.088 y48.328 n52 y51.672 n53 x4.783 y54.944 n54 x6.144 y58. n55 x8.11 y60.706 n56 x10.595 y62.944 n57 x13.492 y64.617 n58 x16.673 y65.65 n59 x20. y66. n60 x36. n61 y64. n62 x20. n63 x16.885 y63.649 20 n64 x13.926 y62.614 n65 x11.271 y60.9

7、46 n66 x9.054 y58.729 n67 x7.386 y56.074 n68 x6.351 y53.115 n69 x6. y50. n70 z10. f1. n71 t2 m6 n72 g0 x67.115 y54.444 s70 m3 n73 g43 z10. h2 n74 g1 z-5. f300. n75 x70. y64.54 f1000. n76 x88.011 y1.5 n77 x85.417 n78 x78.585 y25.412 n79 x78.046 y26.198 n80 x77.143 y26.5 n81 x62.857 n82 x61.954 y26.19

8、8 n83 x61.415 y25.412 n84 x54.583 y1.5 n85 x51.989 21 n86 x67.115 y54.444 n87 x67.837 y54.238 n88 x68.558 y54.032 n89 x70. y59.08 n90 x79.083 y27.288 n91 x78.176 y27.816 n92 x77.143 y28. n93 x62.857 n94 x61.824 y27.816 n95 x60.917 y27.288 n96 x68.558 y54.032 n97 x69.279 y53.826 n98 x70. y53.62 n99 x

9、70.179 y52.995 n100 x69.821 n101 x70. y53.62 n102 y51.5 n103 x70.903 y51.198 n104 x71.442 y50.412 n105 x77.157 y30.412 n106 x77.129 y29.503 n107 x76.581 y28.776 22 n108 x75.714 y28.5 n109 x64.286 n110 x63.419 y28.776 n111 x62.871 y29.503 n112 x62.843 y30.412 n113 x68.558 y50.412 n114 x69.097 y51.198

10、 n115 x70. y51.5 n116 z10. f1. n117 t1 m6 n118 g0 x120. y4. s70 m3 n119 g43 z10. h1 n120 g1 z-5. f300. n121 x116.879 y4.307 f1000. n122 x113.877 y5.218 n123 x111.111 y6.696 n124 x108.686 y8.686 n125 x106.696 y11.111 n126 x105.218 y13.877 n127 x104.307 y16.879 n128 x104. y20. n129 y66. 23 n130 x106.

11、n131 y20. n132 x106.351 y16.885 n133 x107.386 y13.926 n134 x109.054 y11.271 n135 x111.271 y9.054 n136 x113.926 y7.386 n137 x116.885 y6.351 n138 x120. y6. n139 x123.115 y6.351 n140 x126.074 y7.386 n141 x128.729 y9.054 n142 x130.946 y11.271 n143 x132.614 y13.926 n144 x133.649 y16.885 n145 x134. y20. n146 y66. n147 x136. n148 y20. n149 x135.693 y1