4. Establish the cam groove side finishing tool path
Click the Create New Action icon button to open the operation selection dialog and select the contour milling method. Click the Create button to open the Operation Settings dialog.
By setting the items for each purpose, the tool path for finishing the surface of the roller groove side roller is finally obtained, as shown in Fig. 5.
Figure 5 Finished tool path
5. Post processing to generate CNC machine tool processing program
The program file is generated when a cam groove is thickened, a neutral tool position file for finishing operations, and a CNC machining program for the HeidenHain control system used on the Mikron high-speed machine tool. After the program is tested on the machine tool, the surface of the processed cam groove is smooth and smooth, the roller moves smoothly in the groove, there is no impact feeling, the performance index fully meets the requirements of use, and the processing problem of the planar cam groove is satisfactorily solved.
The solution process of the plane cam groove machining problem tells us that when using CNC machine tools for processing, we should broaden our thinking and analyze problems from different angles. At the same time, we must deeply study the functions of CAD/CAM software and expand the application of auxiliary software in work. Scope, using different characteristics of each tool software to solve practical problems.
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