Z Hop behaviour, possible bug?

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tja
Posts: 150
Joined: Mon Oct 17, 2016 10:24 pm
Location: Essex, UK

Z Hop behaviour, possible bug?

Postby tja » Wed Feb 12, 2020 4:54 pm

Hi Vicky

First time I have used Z Hop and it doesn't behave how I expected. I am printing multiple small models and to get 24 on the table I can't use sequential mode. To avoid possible collisions I applied a Z Hop of 0.5 mm using the option Z Hop performed (4) 'Only across models and supports'. But I don't get any Z Hop. Similarly, if I select Z Hop performed with option (5), I get no Z Hop However, if I set it to Z Hop performed (1) 'All' then it seems to work fine, but of course it adds several minutes to the print run.

Is this a known bug or am I missing something?

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Vicky@Raise3D
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Joined: Fri Mar 25, 2016 3:54 am

Re: Z Hop behaviour, possible bug?

Postby Vicky@Raise3D » Wed Feb 12, 2020 10:34 pm

Would you to share your gcode file with us? It can be related to other settings regarding to retractions or the structures of the model.

tja
Posts: 150
Joined: Mon Oct 17, 2016 10:24 pm
Location: Essex, UK

Re: Z Hop behaviour, possible bug?

Postby tja » Wed Feb 12, 2020 11:52 pm

No problem, here it is...
Attachments
Catch-it Mk2 2up v12.gcode
(671.25 KiB) Downloaded 5 times

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Vicky@Raise3D
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Joined: Fri Mar 25, 2016 3:54 am

Re: Z Hop behaviour, possible bug?

Postby Vicky@Raise3D » Thu Feb 13, 2020 3:15 am

I tried to dig in to your code, but I'd prefer if I can have more information from you. My bad. Would you mind share your .idea file with me together?

tja
Posts: 150
Joined: Mon Oct 17, 2016 10:24 pm
Location: Essex, UK

Re: Z Hop behaviour, possible bug?

Postby tja » Thu Feb 13, 2020 11:56 am

Here's the .idea file...
Attachments
Catch-it Mk2 2up v12.idea
(464 KiB) Downloaded 5 times

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Vicky@Raise3D
Posts: 5909
Joined: Fri Mar 25, 2016 3:54 am

Re: Z Hop behaviour, possible bug?

Postby Vicky@Raise3D » Fri Feb 14, 2020 7:19 pm

Try select the no.2 option under ZHop Performed, Only at Solid Parts and select Rectilinear for Top Solid Fill Pattern and Bottom Solid Fill Pattern. You should can have better result.
The no.5 option you selecte for ZHop is for avoid collision of support structures when nozzle moves among supports and models. Your model doesn't really have a lot support structures needs to use this option.


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