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Please give some love to the CAM Pattern tool

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Message 1 of 11
CarlM89
420 Views, 10 Replies

Please give some love to the CAM Pattern tool

I use the cam pattern to machine multiple parts in a fixture. I'm always running into issues where I want it to skip a station on the fixture but there is no way to have it exclude one piece of the pattern. It results in a lot of wasted time with the machine machining air. This is particularly the case where I have an issue mid run that requires me to restart.

10 REPLIES 10
Message 2 of 11
dylan.smith
in reply to: CarlM89

Hi @CarlM89 

 

Do you have a project you can attach? Maybe there's an alternative method, perhaps something with less air cutting!

 

Thanks. 



Dylan Smith

Manufacturing Specialist

Message 3 of 11
CarlM89
in reply to: dylan.smith

@dylan.smith Not a specific file. I just find myself running into this issue often. There are other ways to do it, but not as easy and not without other problems. Consider this a feature request. 

Message 4 of 11
dylan.smith
in reply to: CarlM89

Okay @CarlM89 

 

If you have any examples of where you think it falls short, I could put it forward to our development team to be a bit more specific and get it pushed up the priority tree potentially. 

 

If not, have a great day.



Dylan Smith

Manufacturing Specialist

Message 5 of 11

@dylan.smith 

I think @CarlM89  expecting something like this You can skip the instance in design pattern features Pattern2.png

Pattern.png

But in the CAM you have you cannot skip instances.

But I found a workaround you can use component pattern to make things work but i don't know how its gonna works with the post if you used Multiple Workoffsets 

 

Let me know if you required any model

Boopathi Sivakumar
Senior Technology Consultant

Message 6 of 11

I was also going to suggest Component pattern. But this doesn't always work either.


Scott Moyse
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EESignature


Design & Manufacturing Technical Services Manager at Cadpro New Zealand

Co-founder of the Grumpy Sloth full aluminium billet mechanical keyboard project

Message 7 of 11
engineguy
in reply to: CarlM89

@CarlM89 

 

Not sure if this little workaround is what you want and is of any use to you but it is fairly quick and easy to do. well, for me anyway and it may just do until a proper Pattern system comes along  🙂 🙂

 

Anyway, here it is :-

The operation where you want to split up the toolpath pattern has 4 instances and you only want for example to do the first 2 and the 4th, missing out the third one as in the image below.

First do a Pattern for the first 2 instances as normal

Next use the Duplicate to make a new operation, all settings will be transferred so no need to re-do them as far as I can tell !!

Now do a Pattern on the Duplicate for just the 4th instance and don`t "Keep original" and you will have instances 1,2 and 4 as shown below.

The only thing you have to watch out for is having the Duplicate next to the original Operation when doing the Pattern for it, if you do it doesn`t work properly so I make sure there is another operation between them and it works fine, and when you have done the Pattern on the Duplicate you can move the new one next to the original and it is OK.

Like most "workarounds" not the prettiest but once you get the hang of the procedure then it is quite simple, quick and easy, works in both directions 🙂 🙂 🙂

Example file attached, enjoy, use or not as you like, it is just another approach (Part of the "learning curve") 🙂 🙂 🙂

Pattern (Miss one) Example v0.jpg

 

Regards

Rob

Message 8 of 11


@boopathi.sivakumar wrote:

@dylan.smith 

I think @CarlM89  expecting something like this You can skip the instance in design pattern features 

 

But in the CAM you have you cannot skip instances.

But I found a workaround you can use component pattern to make things work but i don't know how its gonna works with the post if you used Multiple Workoffsets 

 

Patterns do no output multiple work offsets, no matter if it's a component pattern, linear, circular, etc.  So for that, component patterns always wins.  You don't have to skip the part in the CAD pattern either, you can skip it within the CAM pattern.  So if one day you want to run part 1-2-4, and the next time it's 2-3-4, that is no problem at all with component pattern.  Just remove the "automatic" checkbox, and select the components manually, that way you can change them at any time.  See picture below.  In general, component pattern is a winner all around (for me anyways), because it is extremely flexible.  The part can also be rotated and it still works correctly.

1.png

Message 9 of 11
Ketherton21
in reply to: CarlM89

right click on the toolpath that is cutting air, click "optional." 

 

then turn on block skip on your controller.

Message 10 of 11
DarthBane55
in reply to: Ketherton21

@Ketherton21 

I think he wants to skip a whole part, not a toolpath.  You can't set only 1 instance of a pattern to optional.

Message 11 of 11
apedavid
in reply to: CarlM89

       Same issue .   Last 4 parts of 14 on a sheet needed redo. 

 

You can go into the G-code and delete the ones you do not need to go over.

 

Worth the effort instead of air cutting for 60 minutes.

 

David

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