Milling with MSURF

When milling with the MSURF function, I want to avoid having my tool enter the material too steeply. For this reason, I reduced the tool's plunge angle in the tool library to 3°. However, the milling machining does not return the desired result: Any areas steeper than 3° are not machined. Is there another way to influence the movement of the tool?

f In your example, the machining direction progresses from top left to bottom right and the tool would enter the material with a slope of more than 3°. You have the option to invert the progress direction of the machining using the interactive step control.

Here's how you do it

1. Start the required job in the NC job library.

2. Click "NEXT" twice until the "Sorting" mask opens. The milling area is shown in yellow. The starting point of the toolpath is marked with a numbered square, the end point with an "x".

3. Click "Invert". Start point and end point are inverted.

4. The simulation shows that, due to the changed machining direction, the tool now travels from bottom right to top left. Damage to the tool is prevented and all areas are machined.

Other tips:

For different slope directions, you should use the slope analysis (CADCAM/ANALYSE/INCLINE) to check whether all areas can be machined in this manner.

  • In the Quick Reference Guide, follow the CADCAM/ NC3AX/MSURF path to find more detailed information about calculating milling programs on surfaces or a composite surface.

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