Siemens PLM Software NX CAM 10: Tracking Points Defined by Diameter Define tracking points for chamfer tools by specifying diameter only. Answers for industry.
About NX CAM NX TM CAM software has helped many of the world s leading manufacturers and job shops produce better parts faster. You can also achieve similar benefits by making use of the unique advantages NX CAM offers. This is one of many hands-on demonstrations designed to introduce you to the powerful capabilities in NX CAM 10. In order to run this demonstration, you will need access to NX CAM 10. Visit the NX Manufacturing Forum to learn more, ask questions, and share comments about NX CAM. 2
Hands-on Demonstration: Tracking Points Defined by Diameter Tracking points can now be defined on the cutting edge of chamfered tools by specifying a diameter only. The tracking points are associative to changes of any parameter affecting the cutting edge. 3
Prerequisites: 1. You will need access to NX CAM 10 in order to run this demonstration. 2. If you haven t done so already, download and unzip tracking_points_defined_by_diameter.7z. Demo: 1. Open tracking_points.prt in NX. Create a Hole Chamfer Milling operation 2. Click Create Operation. 3. Select hole_making from the Type list. 4. Select Hole Chamfer Milling. 5. Specify the following: Program: PROGRAM Tool: NONE Geometry: FG_STEP2HOLE_THREAD Method: METHOD 6. Click OK. 7. Click Display next to Specify Feature Geometry to view the in-process feature geometry. 4
Create a chamfer tool with tracking points 8. In the Tool section of the dialog box, click Create New. 9. Select hole_making from the Type list. 10. Click CHAMFER_MILL. 11. Click OK. 12. Select the More Tab. 13. In the Tracking section of the dialog box, click Tracking Points. There are currently no tracking points in the tool. Tracking points can now be defined by specifying a diameter only. 14. Select By Diameter from the Definition list. 5
The tracking point is created along the cutting edge of the tool. Once defined, the point is associative to tool parameter changes that affect the cutting edge. If the specified diameter is invalid (i.e. it exceeds the tool diameter) or if the tool parameters change in such a way that the tracking point falls out of the cutting edge range, a message displays. 15. In the background of the graphics window, right-click and choose Orient View Front. The Diameter is set to 0.0000 by default, defining the tracking point at the center tip of the tool. 16. Type TP1 in the Name box. 17. Type 10.000 in the Diameter box and press the Enter key. The tracking point is offset along the cutting edge (tip) of the tool. 18. Click Add New Set. 19. Click OK in the Message dialog. Type TP2 in the Name box. 20. Type 23.000 in the Diameter box and press the Enter key. 6
The tracking point is offset along the cutting edge (tip and chamfer) of the tool. 21. Type 35.000 in the Diameter box and press the Enter key. An alert displays informing you that the tracking point diameter exceeds the tool diameter. The system sets the tracking point diameter to the tool diameter (30.000mm). 22. Type 25.000 in the Diameter box and press the Enter key. 7
23. Click OK in the Tracking Points dialog box. 24. Click OK in the Chamfer Mill dialog box. Specify the drive point You will specify TP2 as the drive point for the operation. This tracking point (1) is defined on the chamfer of the tool. As this point drives along the top edge of the part chamfer, the portion of the tool extending below the point machines the part. The tool path is output from the tip of the tool (2). 25. In the Path Settings section of the dialog box, select TP2 from the Drive Point list. 26. In the background of the graphics window, right-click and choose Orient View Isometric. 27. Click Generate. 8
Note: If you wish to display the tool path output on the edge of the chamfer rather than at the tip of the tool, click Non Cutting Moves, select the More tab, select All Passes from the Cutcom Location list, select the Output Contact/Tracking Data check box, and click OK. Generate the tool path. 28. Click OK to complete the operation. 29. Close the part without saving. 9
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