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June 17, 2018, 22:54:09 pm


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Author Topic: how to define limit in for 3D profile with polyline  (Read 846 times)
CLAUDESAINT
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« on: March 11, 2018, 14:50:04 pm »

hi,
Is it possible to define the limit in and limit out by using polyline for 3D profile?

Thanks
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EddyCurrent
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« Reply #1 on: March 11, 2018, 14:55:27 pm »

If you mean the "Boundary" then "Boundary Margin" will allow a positive or negative value.
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dh42
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« Reply #2 on: March 11, 2018, 15:02:09 pm »

Hello

Yes, to restrict the machining to an internal area (or more than one), use one or more closed polyline, those polylines must be selected in Boundary Shape IDs property of the 3D profile MOP and Boundary Method must be set to Selected shapes.

You can also use regions instead polylines to do the reversed cut (as on the picture on the web page)

have a look on this page (in French, but maybe understandable)

http://www.atelier-des-fougeres.fr/Cambam/Aide/Video/limiter_zone_usi3D.html

++
David
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Bob La Londe
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« Reply #3 on: March 11, 2018, 15:07:06 pm »

In the parameters for a 3D operation you can use "selected shape" and then select a closed polyline.  Sometimes I've had to clean up the polyline to get good results with waterline 3D clearing with remove arcs or other cleanup, but it seems to be less of an issue with horizontal or vertical.  

This may help.  https://www.youtube.com/watch?v=gxdV0Sbt6zU

This may also be useful.  https://www.youtube.com/watch?v=SbZWqoJc82s



« Last Edit: March 11, 2018, 15:09:03 pm by Bob La Londe » Logged

Getting started on CNC?  In or passing through my area?
If I have the time I'll be glad to show you a little in my shop. 

Some Stuff I Make with CamBam
http://www.CNCMOLDS.com
CLAUDESAINT
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« Reply #4 on: March 12, 2018, 10:49:23 am »

Thanks every bodies,
but my target is to define an internal and an external restricted area typically to make a ring (see attached file)


* Ring_1.jpg (58.32 KB, 1342x657 - viewed 39 times.)
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EddyCurrent
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« Reply #5 on: March 12, 2018, 10:55:13 am »

It's always best to attach your cb file here so people can take a proper look.

It looks like your requirement is what we thought, David posted a link to the required information.
« Last Edit: March 12, 2018, 12:46:31 pm by EddyCurrent » Logged
CLAUDESAINT
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« Reply #6 on: March 12, 2018, 19:54:10 pm »

Thanks a lot,
And sorry, I am a beginner with cambam, and there is a lot to assimilate.
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dh42
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« Reply #7 on: March 12, 2018, 20:39:13 pm »

Hello

Quote
but my target is to define an internal and an external restricted area typically to make a ring (see attached file)

select the 2 circles, then ctrl+i (create a region), then use this region as boundary in your 3D profile mop (Machining OPeration)

++
David
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EddyCurrent
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« Reply #8 on: March 12, 2018, 20:47:48 pm »

Thanks a lot,
And sorry, I am a beginner with cambam, and there is a lot to assimilate.


Most people start with 2D and progress to 3D once familiar with the software and methods.  Cheesy
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CLAUDESAINT
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« Reply #9 on: March 13, 2018, 14:39:05 pm »

Thank you
every bodies
now it's ok

Salutations
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Garyhlucas
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« Reply #10 on: March 13, 2018, 16:44:31 pm »

Thanks a lot,
And sorry, I am a beginner with cambam, and there is a lot to assimilate.


Most people start with 2D and progress to 3D once familiar with the software and methods.  Cheesy

Nah,
Most people start with a part they need or want, well before they have any idea of how difficult that might be! Lots of people think CNC is some sort of magic where you wave your computer mouse and the block of material turns into the part.
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Gary H. Lucas

Have you read my blog?
 http://a-little-business.blogspot.com/
Bubba
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« Reply #11 on: March 13, 2018, 21:33:34 pm »

Thanks a lot,
And sorry, I am a beginner with cambam, and there is a lot to assimilate.


Most people start with 2D and progress to 3D once familiar with the software and methods.  Cheesy

Nah,
Most people start with a part they need or want, well before they have any idea of how difficult that might be! Lots of people think CNC is some sort of magic where you wave your computer mouse and the block of material turns into the part.

+1 Grin Grin
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Dragonfly
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« Reply #12 on: March 14, 2018, 08:02:41 am »

Nah,
Most people start with a part they need or want, well before they have any idea of how difficult that might be! Lots of people think CNC is some sort of magic where you wave your computer mouse and the block of material turns into the part.
... and next thing is they start reporting bugs and criticize the program  Grin
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Before asking a question do some effort and walk through all menus and options in CamBam.  Maybe the answer is there. Please.
Bubba
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« Reply #13 on: March 14, 2018, 12:12:12 pm »

Nah,
Most people start with a part they need or want, well before they have any idea of how difficult that might be! Lots of people think CNC is some sort of magic where you wave your computer mouse and the block of material turns into the part.
... and next thing is they start reporting bugs and criticize the program  Grin

Yep!  Grin Grin Grin
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Bob La Londe
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« Reply #14 on: March 14, 2018, 14:35:34 pm »

Nah,
Most people start with a part they need or want, well before they have any idea of how difficult that might be! Lots of people think CNC is some sort of magic where you wave your computer mouse and the block of material turns into the part.
... and next thing is they start reporting bugs and criticize the program  Grin

I have quite a lot of criticism of the program.  I've just learned to live with most of it and use other programs when necessary, because I have found criticism is not always all that well received. 

The biggest problem with CamBam is the fact that it has no continuous engagement strategies.  JK's trochoidol plugin is a step in the right direction, but it really needs to be incorporated into CamBam for all types of operations including 3D (well maybe not drilling and engraving LOL).  Even the lowly POS LazyCAM has a spiral pocket type capability.  Admittedly not much else, well besides its propensity for crop circles.  LOL. 

We are fans of CamBam, but lets exercise some restraint and a measure of reality lest we be labeled psycho fanboys and ruin the dynamic that has developed here in this forum. 
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Getting started on CNC?  In or passing through my area?
If I have the time I'll be glad to show you a little in my shop. 

Some Stuff I Make with CamBam
http://www.CNCMOLDS.com
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