Open vectors

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Rick
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Joined: Thu Mar 27, 2014 10:15 am
Model of CNC Machine: R&E Engineering

Open vectors

Post by Rick »

I have been battling over a marble lift since I first spotted one. I needed the exercise as I still have a lot to learn. So far I have succeeded in the prototype, however now that I'm trying to improve so it may actually work, I am finding more problems than with the prototype!

The crv file is attached, using Vcarve Pro 7, and the problems seem to be associated with open vectors, I think. Clicking on the drawing to select all open vectors, tells me they are all closed, however in the toolpath mode, I am getting some open vectors, and some parts that despite being selected don't get included in the toolpath. I have played around a lot, watched a few tutorials yet cannot find where I am going astray. ??
Attachments
marble lift mark 11.crv
(123 KiB) Downloaded 75 times
Marble lift prototype1.jpg

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RoutnAbout
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Re: Open vectors

Post by RoutnAbout »

Rick,
The set/group of spiral vectors are grouped as 1 entity, if you select that set of vectors, then right click you have the option to ungroup them. You'll find the spiral is an open vector.
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Rick
Posts: 10
Joined: Thu Mar 27, 2014 10:15 am
Model of CNC Machine: R&E Engineering

Re: Open vectors

Post by Rick »

RoutnAbout,
Ok, I've been there and played around before and just now, and I believe I have joined all vectors. Where is the open vector? Is there an easy way to find open vectors?

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mezalick
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Re: Open vectors

Post by mezalick »

Rick,
What I do to find the vectors, which may be very small, is to "select all open Vectors" and then right click and " move to new layer".
With those open vectors selected you can click on the spyglass that will "zoom selected".
Michael

PS also change the colour of the new layer so you can see them better.
Michael Mezalick
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scottp55
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Re: Open vectors

Post by scottp55 »

Rick,
If you go to top after ungrouping your vectors and select "edit" and then the "select all open vectors", You get this...
scott
Attachments
ungroup all select edit up top select all open vectors.jpg
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Adrian
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Re: Open vectors

Post by Adrian »

Also note that you can only mix closed and open vectors with the profile toolpath set to be ON the vector. If you're using Inside or Outside then all the vectors in the selection must be either open or closed. If you want to do an inside or outside profile with an open vector you need to create a toolpath separate to the one created for closed vectors.

Rick
Posts: 10
Joined: Thu Mar 27, 2014 10:15 am
Model of CNC Machine: R&E Engineering

Re: Open vectors

Post by Rick »

Thanks guys.
I did get the same as that Scott, however have played with it more and now have no open vectors in the drawing view.
Go to the profile tool path and it tells me I have one open vector.

Run the tool path as an outside or inside cut, and the outside "circle" cuts and only one "circle"in the middle of the spiral.
Run the tool path on the line, and all the spiral cuts.

Why?

Rick
Posts: 10
Joined: Thu Mar 27, 2014 10:15 am
Model of CNC Machine: R&E Engineering

Re: Open vectors

Post by Rick »

Thanks Adrian, you answered whilst I was typing (and thinking)

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