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October 20, 2017, 11:36:00 am


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Author Topic: Toolpath problems  (Read 296 times)
Thomas
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« on: September 15, 2017, 11:21:19 am »

Hello . . . I am trying to generate the toolpath for a inside_cutout (image is attached) on the righthand side CamBam chooses to place the cutter at the OUTSIDE instead of the inside.
Can any of you help me out and tell what am I doing wrong !

regards, Tom


* 0915test04insidecutout.PNG (28.11 KB, 576x632 - viewed 24 times.)
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onekk
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« Reply #1 on: September 15, 2017, 11:55:59 am »

choose "inside" in the left panel that appear when selecting the MOP.

It will be better if you attach the .cb file so someone can properly look at it and maybe gave you a better hint.

Plus a little reading of the manual will tell you the basics of CamBam.

Regards

Carlo D.
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Carlo D. (onekk)

eShapeoko #343 750x1000 mm + GRBL + bCNC + CamBam
Thomas
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« Reply #2 on: September 15, 2017, 12:24:04 pm »

Thank you carlo for your reaction . . .

I attached the CB and the original DXF drawing.
Of course I did "ask" CamBam to cutout from the inside.
As you can see it does it properly EXCEPT the flat side of the cutout at the righthand side.

I did a few other trials . . .
A circle is no problem but as soon as you draw a flat side on the circle then the cutter jumps to the outside

Anay suggestions ?
regards, Tom


* 0915test05insidecutout.cb (6 KB - downloaded 14 times.)
* 0915test05.dxf (102.99 KB - downloaded 7 times.)
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EddyCurrent
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« Reply #3 on: September 15, 2017, 12:35:22 pm »

You need to select all the objects then use Edit->Join

see attached

* 0915test05insidecutout-B.cb (4.46 KB - downloaded 8 times.)
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onekk
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« Reply #4 on: September 15, 2017, 15:40:20 pm »

As Eddy stated you have to join an object.

Some other things to pay attention of when joining an object are:

1) at the end of a join operation you must have one object if not check the joining points (and/or adjust the joining tolerance)

2) the resulting object if it is a "Polyline" has to be "closed" or better has to have the "Closed" property set to True.

If not CamBam will not know that a bunch of line or arc are an object with a proper "shape" on which you have to apply some MOP (Machining OPerations) like Pocket or Profile.

The fast "reaction" here is almost usual as some of us read this forum frequently.

Welcome as a new CamBam user, and don't be afraid to ask, the worst "reaction" is "Read the Manual" but the the usual is "do in this manner, but in the manual you will find more on this topics".


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Carlo D. (onekk)

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« Reply #5 on: September 15, 2017, 21:46:51 pm »

Hello

It can be useful for you to have a look on this thread. Wink

http://www.cambam.co.uk/forum/index.php?topic=1624.msg9100#msg9100

++
David
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Thomas
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« Reply #6 on: September 16, 2017, 09:05:31 am »

Thanks to you I finally managed to generate a proper toolpath.
Thank you all very Much !

regards, Tom
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