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What is the difference between Normal to Drive and Toward Dirve in multi axis ?

I do not know and How to use  Normal to Drive and  Toward Drive  ?

 

Thank .

4 REPLIES

Re: What is the difference between Normal to Drive and Toward Dirve in multi axis ?

Normal to drive specifies that the projection is done normal to the drive geometry, this is not useful for machining the side walls of a closed pocket.

 

Toward drive was introduced to be able to machine the side walls of closed pockets.

Stefan Pendl, Systemmanager CAx, HAIDLMAIR GmbH
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Re: What is the difference between Normal to Drive and Toward Dirve in multi axis ?

[ Edited ]

Imagine machining inside of a large tube.

 

With normal to drive, the path projects from infinity and always lands on the outside of the tube. This is the traditional APT behavior.

 

With toward drive, we start at the surface and back away, allowing the path to project on to the inside of the tube. 

 

If there are no overhangs, and no eclosed areas, then both should yield the same result.

Mark Rief
Retired Siemens

Re: What is the difference between Normal to Drive and Toward Dirve in multi axis ?

In this case Tool Axis will be normal to drive?

Re: What is the difference between Normal to Drive and Toward Dirve in multi axis ?

No, these options are for projecting the tool path onto the part, not for controlling the tool axis.

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