Toolpaths for Fuselage

Transcription

1 Mastercam 2017 Chapter 18 Chapter Airplane Toolpaths for Fuselage Finish Blend A. Hide Top Surface. Step 1. If necessary, open your FUSELAGE file from Chapter 17. Step 2. On the Home tab click Hide/Unhide (Alt-E). Step 3. Click bottom surface, Fuselage body and Shift click rectangle to chain all lines of rectangle. Click End Selection (ENTER), Fig. 1. Shift click rectangle B. Machine Type and Stock Setup. Step 1. If necessary, display Toolpaths Manager. On Surface and solid Fig. 1 the View tab click (Alt-O). Step 2. If Machine Group is not displayed in the Toolpaths Manager, Fig. 1 on the Machine tab, click Machine > Default from the menu. Step 3. Expand Properties (click +) in the Toolpaths Manager and click Stock Setup, Fig. 2. Fig. 2 Step 4. Confirm Stock View is TOP CUT and check Display, Fig. 3. Step 5. Click the left front top corner of the stock to move the origin. After you click corner the arrow will point to corner. Step 6. Key-in X, Y and Z stock dimension: X 9 Y 1.7 Z 2.5 Step 7. Key-in Stock Origin coordinates: X 0 Y -.85 Z 0 Click corner to move arrow in Machine Group Proper- Step 8. Click OK ties. Fig. 3 Mastercam 2017 Fuselage Toolpaths AIRPLANE Page 18-1 Cudacountry.net Tech Ed cudacountry@hotmail.com 11/3/16

2 C. Confirm WCS TOP CUT. Step 1. In Status bar at bottom of display, confirm CPLANE, TPLANE and WCS are all TOP CUT, Fig. 4. Step 2. Confirm Top Cut Origin. Use F9 to toggle axes. D. Finish Blend Toolpath. Step 1. On the Toolpaths tab in the 3D group click expand gallery button and click Blend, Fig. 5. Stock LEFT TOP CUT Origin origin Fig. 4 Step 2. Click OK in the NC name dialog, Fig. 6. Step 3. Click the solid Fuselage body and surface to select as Drive Surfaces and click End Selection (ENTER), Fig 7. Fig. 5 Fig. 6 Surface Solid Fig. 7 Mastercam 2017 Fuselage Toolpaths AIRPLANE Page 18-2

3 Step 4. Click Blend Select button in the Toolpath/surface selection dialog box, Fig. 8. in the Chain- Step 5. Click the Single button ing dialog box, Fig. 9. Step 6. Use Ctrl-T to toggle on Translucency. Step 7. Click Chain 1, front line on the rectangle and Chain 2, rear line on rectangle, Fig. 10. If the chaining directions arrows are not pointing in the same direction - click Reverse. Fig. 8 Step 8. Click OK in the Chaining dialog box, Fig. 9. Step 9. Click the OK in the Toolpath/ surface selection dialog box, Fig. 8. Fig. 9 Chain 1 Chain 2 Fig. 10 Mastercam 2017 Fuselage Toolpaths AIRPLANE Page 18-3

4 E. Set Tool and Params. Step 1. Click Select library tool button in the Surface Finish Blend dialog box, Fig. 11. Step 2. Click Filter button Fig. 12. Step 3. Click None button under Tool Types Fig. 13. Step 4. Click Endmill2 Sphere button (second button top row) and click OK, Fig. 13. Step 5. Click 307 1/4 BALL ENDMILL and click OK Fig. 14. Fig. 11 Fig. 12 Fig. 13 Fig. 14 Mastercam 2017 Fuselage Toolpaths AIRPLANE Page 18-4

5 Step 6. Back in Toolpath parameters of Surface Finish Blend dialog box, Fig. 15. Set: Tool #: 1 Head #: 1 Feed rate: 90 Plunge rate: 45 Step 7. Click the Surface parameters tab at the top of the dialog box, Fig. 16. Set: Uncheck Clearance. Uncheck Retract. Feed plane:.1. Fig. 15 Fig. 16 Mastercam 2017 Fuselage Toolpaths AIRPLANE Page 18-5

6 Step 8. Click the Finish blend parameters tab at the top of the dialog box, Fig. 17. Set: Maximum Stepover:.05 Click Total tolerance button. Step 9. In the Total Tolerance dialog box Fig. 18. Set: Total tolerance.001 Check Line/Arc Filtering Settings Uncheck Create arcs in XY Check One way filtering Set Minimum arc radius.005 Cut tolerance 25%. Click OK. Fig. 17 Fig. 18 Mastercam 2017 Fuselage Toolpaths AIRPLANE Page 18-6

7 Step 10. Back at the Finish blend parameters tab, Click Gap settings button, Fig. 20. Step 11. In the Gap Setting dialog box, Fig. 19. Under Motion, Select Follow Surface(s). Check Optimize cut order. and click OK. Step 12. Back at the Finish blend parameters tab, Fig. 20. Click Advanced settings button. Step 13. In the Advanced Setting dialog box, Fig. 21. Select Only between surfaces (solid faces). Check Skip hidden face test for solid bodies. and click OK. Fig. 19 Step 14. Click OK to close Surface Finish Blend dialog box. Step 15. Watch the toolpath progress at the bottom left corner of the display. Fig. 21 Fig. 20 Step 16. Save (Ctrl-S). Mastercam 2017 Fuselage Toolpaths AIRPLANE Page 18-7

8 F. Verify Top Cut. Step 1. In the Toolpaths Manager click Verify, Fig. 22. Step 2. Click Play (R) in VCR bar, Fig. 23. Step 3. Note Total Time to run program (6min 45.35s), Fig. 24. Step 4. Switch back to Mastercam (Alt-Tab). Fig. 22 Fig. 23 Fig. 24 Fig. 25 G. Switch to LEFT CUT WCS. Step 1. In the Planes Manger (Alt-L) set: under Name, Fig. 26 Click BOTTOM CUT Click Set All. Step 2. Change to the Isometric View. Right click in the graphics window and click (Alt-7). Step 3. Confirm Bottom Cut Origin, Fig. 27. Use F9 to toggle axes. BOTTOM CUT Origin Fig. 26 Fig. 27 Mastercam 2017 Fuselage Toolpaths AIRPLANE Page 18-8

9 H. Copy Toolpath. Step 1. Copy Blend toolpath in the Toolpaths Manager. To copy, click to select toolpath, Fig. 28. Then, use Ctrl-C and Ctrl-V, Fig. 29. I. Set Planes. Step 1. Expand 2 Surface Finish Blend and click Parameters, Fig. 29. Fig. 28 Step 2. Click the Toolpath parameters tab at the top of the Surface Finish Blend dialog box, Fig. 30. Fig. 29 Step 3. Click Planes button in the Surface Finish Blend dialog box, Fig. 30. Step 4. Under Working Coordinate System, click View Selection button in the Toolpath Coordinates System dialog box, Fig. 31. Fig. 30 Fig. 31 Mastercam 2017 Fuselage Toolpaths AIRPLANE Page 18-9

10 Step 5. Click BOTTOM CUT and click OK View Selection dialog box, Fig. 32. to close Step 6. Back in the Toolpath Coordinates System dialog box, click both Copy To Right buttons to copy setting to Tool Plane and Construction Plane, Fig. 33. Confirm all Planes BOTTOM CUT. Step 7. Click OK to close Toolpath Coordinate System dialog box. Fig. 32 Step 8. Click OK to close Surface Finish Blend dialog box. J. Hide Bottom Surface Show Top Surface. Fig. 33 Step 1. On the Home tab click Hide/Unhide twice (Alt-E). Step 2. Click solid Fuselage body and top surface (in this view surface in on bottom) to select as Drive Surfaces and click End Selection (ENTER), Fig. 34. Surface Solid Fig. 34 Mastercam 2017 Fuselage Toolpaths AIRPLANE Page 18-10

11 K. Reselect Drive Surfaces. Step 1. Expand 2 - Surface Finish Blend, expand Geometry and click Geometry 40 Drive, Fig. 35. Step 2. Click Deselect All Drive Geometry button, Fig. 36. Fig. 36 Step 3. Click Select Drive Geometry button, Fig. 36. Step 4. Click the solid Fuselage body and surface to select as Drive Surfaces and click End Selection (ENTER), Fig 37. Fig. 35 Step 5. Click OK to close the Toolpath/surface selection dialog box. Surface Step 6. Save (Ctrl-S). Solid L. Verify Bottom Cut. Step 1. In the Toolpaths Manager, click Regenerate all selected operations, Fig. 38. Fig. 37 Step 2. With 2 - Surface Finish Blend selected, click Verify the Toolpaths Manager, Fig. 38. in Step 3. Click Play (R) in VCR bar. Step 4. Switch back to Mastercam (Alt-Tab). Fig. 38 Fig. 39 Mastercam 2017 Fuselage Toolpaths AIRPLANE Page 18-11