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How to use Volume-Based 2.5 D Milling to program prismatic parts

Siemens Valued Contributor Siemens Valued Contributor
Siemens Valued Contributor

Overview

Learn how various machinery and aerospace parts can be programmed 3X to 5X faster (and with a reduction of machining time) in NX 8.5 CAM with the new Volume-Based 2.D Milling operation.

(view in My Videos)

Tech Tip by Tom van't Erve, Siemens PLM Software

 

Details

  • Simply select surfaces for floors and walls (no need to create boundaries for containment)
  • System tracks areas already cut (knows the block model in that instance)
  • Visualize the areas that need to be cut next
  • Create optimized tool paths and avoid air-cutting
  • Change the operation sequence and get updated tool paths

 

Do you have a question?

Click 'Comments' below to ask it. (You must be signed in to use this feature.)

 

Make Better Parts Faster!
Aaron Frankel (Community Manager)
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Comments
Community Manager Community Manager
Community Manager

This question was asked during the live webcast:
Q: How does this compare to the cavity mill operation?

A: The underlying patterns are not significantly different with the exception of some updates to the zig/zag cut pattern. The differences are in the containment methods and selection options. This operation uses selections of floors and walls to explicitly bound the cutting volume. Cavity Mill can be applied easily to the whole part, or to the material above selected faces, but would often require additional boundary-based trimming for these use cases.

Of course, Cavity Mill works well on all kinds of different 3D surfaces also. So it is better suited to to cases where floors and walls are not easily identified.

Community Manager Community Manager
Community Manager

This question was asked during the live webcast:
Q1: Does the volume based IPW work for 5-axis walls?
Q2: Does this volume based 2.5 D Milling work on contour profiling also?

A: The Floor and Wall operation types are 2.5 axis operations, so the tool axis is constant for all of these cases. Slanted walls can be cut with tapered tools, however, and the previewed IPW will correctly display and account for the slants and tapers.

Community Manager Community Manager
Community Manager

This question was asked during the live webcast:
Q: How could I set the path to be in the mid of tolerance range from within the operation? Do I have to modify the 3D model?

A: You can use finish allowances to move the cuts up or down, but if the requirement is to cut relative to the mid-tolerance, the most foolproof thing is to make the model adjustments in CAD.

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Community Manager

This question was asked during the live webcast:
Q: You are mentioning undercutting, can the form tools be used for these operation?

A: No. This operation can perform undercuts with T-slot cutters, but form tools must be driven along curves, using a control point on the tool that corresponds to the curve.

Community Manager Community Manager
Community Manager

This question was asked during the live webcast:
Q: Is this available for older "a la carte" licensed NX, or is it ONLY available in the newer CAM bundles?

A: Yes. These new operation types are available as part of the face milling functionality. So if you can face mill now, you will be able to create Floor and Wall milling operations with NX 8.5.

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VIP

Thanks for the reply! The comments in this area should be specifically about this tech tip presentation. Since you asked a more general question, your reply was moved to the NX Manufacturing Discussion Forum, where it will get many more views.

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