CNC machining simulation of turning and milling composites On the basis of the installation of SolidWorks software, SolidCAM software is installed. At this time, a SolidCAM button will appear on the SolidWorks operation interface, and the SolidCAM button will be selected to select the turning and milling composite machining. In the SolidCAM dialog box, you can select the CNC system, the machining origin, input the blank diameter of 60mm and the length of 200mm, that is, generate the blank shape of the part, and then select the shape of the target part into the SolidCAM dialogue. 64 Mechatronics. Therefore, the blank should be consistent with the actual part. . If the shape of the part blank is complicated and the system cannot be automatically generated, the three-dimensional part blank shape is created by adding the configuration method on the part of the SolidWorks operation interface.
According to the process card, set the step in the SolidCAM manager, substitute the cutting amount, select the tool used in each step, SolidCAM will automatically calculate the number of passes, then you can enter the processing stage. The simulation can be performed immediately to verify whether the selected machining route is correct. Through the cutting demonstration, it is also possible to observe whether the simulated cutting residual condition, the selected machining surface shape, the cutting path, the tool shape, the tool number, and the cutting amount are appropriate. For the outer circle and end face of the rough car, the fan-shaped groove is cut for the outer circular oil groove and the C-axis, and the radial hole and the cut are drilled. Automatic programming Before the G code is generated, the path of the tool, the path of the infeed and the path of the retraction are optional. The path of the infeed and the retraction directly affect the selection of the tool. Improper selection will cause interference. This type of problem is easy to solve when programming manually, and you should choose carefully when programming automatically. The simulation can not only simulate the path of the tool retracting and machining, but also simulate the surface machining quality almost the same as the finished workpiece, and can accurately calculate the processing time of the rough and finishing.
Conclusion This paper takes the CNC milling of the solenoid valve spool in hydraulic equipment as an example, and uses SolidWorks/SolidCAM integrated software to realize 3D solid modeling and NC simulation processing simulation on the computer. Through practical application, the use of integrated software can greatly shorten the debugging time of the machine tool, and it is easy to check whether the tool, workpiece and fixture will collide during the machining process, and finally calculate the machining time for rough and finishing. It is very convenient for improving machine efficiency, reducing the standby time of parts, and the labor time for enterprise calculation.
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