Jump to content
Shirly

PVC Jamming in Feeder - Ultimaker 3 Extended

Recommended Posts

Posted · PVC Jamming in Feeder - Ultimaker 3 Extended

Hi,

 

Just wondering if anyone has any advice on this issue? The PVC filament is getting jammed in the feeder, it curls around the wheel and I have had to take the feeder apart to get it out. When it first happened I made sure the nozzle wasn't blocked and cleaned it. I have also un-loaded it and re-loaded it a couple of times.

 

It only happens when a job is running. It will feed fine when i re-load it each time.

 

Thanks!

Share this post


Link to post
Share on other sites
Posted · PVC Jamming in Feeder - Ultimaker 3 Extended

Hi and welcome!

 

I assume you mean PVA filament and not PVC?

So in that case your filament has probably absorbed too much moisture and is now to soft. PVA is very sensible for too much moisture, so keep it always is a dry place - Lock & Lock box or bags with silica gel.

 

To rescue your PVA filement you can bake it in the oven to dry it. Not sure right now about the temperature, but as far as I can remember it is round about 50°/60° celsius.

Share this post


Link to post
Share on other sites
Posted · PVC Jamming in Feeder - Ultimaker 3 Extended

Yes sorry,PVA! ?

 

Ok thats great to know thank you for your reply! I will try baking it. Any idea for how long for?

Share this post


Link to post
Share on other sites
Posted · PVC Jamming in Feeder - Ultimaker 3 Extended

Here you find all informations about temperature and duration:

https://ultimaker.com/en/resources/52682-how-to-dry-pva

 

The article mentions not to use a household oven, I think the reason is, that such ovens often heat much higher and cannot hold a constant temperature, but there are a lot of people that have successfully used their oven. Just check if before, that you don't overheat your PVA which would result in a "block of plastic" ? 

 

Share this post


Link to post
Share on other sites
Posted · PVC Jamming in Feeder - Ultimaker 3 Extended

You are welcome, just one more hint: I don't think that the mentioned 2 hours are enough, so try it a little bit longer - would also depend on how much moisture your PVA has already absorbed.

Share this post


Link to post
Share on other sites
Posted · PVC Jamming in Feeder - Ultimaker 3 Extended

I use a food dryer/dehydrator. The one I have has digital temperature (max 70 degC) and timer (max 8 hours) controls - the timer means you don't have to remember when the PVA will be 'cooked'. It came with stacking trays - I cut out the centre of a couple of trays to give enough height for a filament spool but others have printed riser pieces to get the height.

Share this post


Link to post
Share on other sites
Posted · PVC Jamming in Feeder - Ultimaker 3 Extended

How do you both store it if you dont mind me asking? Do you take it off at the end of each job and put it away? Store in a plastic container/bag with dessicant?

 

Thanks for the replies so far.

Share this post


Link to post
Share on other sites
Posted · PVC Jamming in Feeder - Ultimaker 3 Extended

I store the PVA in a clip-lock container when not in use, with a large indicating silica-gel bag in there.

 

When printing, I run a dehumidifier if needed to keep the room RH below 50%.

 

I also like to have two spools of PVA on the go, so I can be printing with one whilst the other is being dried out.

Share this post


Link to post
Share on other sites
Posted · PVC Jamming in Feeder - Ultimaker 3 Extended

So I tried drying the PVA today and the same thing happened when I tried to use it a couple of hours later. Thinking it was just that PVC I tried a brand new one and its doing the same thing. It will feed it in to a certain point and then it stops and starts getting stuck, chipping the PVC and not going anywhere! I'm at a loss now.

Share this post


Link to post
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.


  • Our picks

    • Ultimaker Cura 4.0 | Stable available!
      Ultimaker Cura 4.0 is mainly focused on the improved user interface and cloud integration.
      As always, we want to collect your user feedback for this release. If there are any improvements you can think of, feel free to mention it here and help us to shape the next release.
      • 98 replies
×
×
  • Create New...

Important Information

Welcome to the Ultimaker Community of 3D printing experts. Visit the following links to read more about our Terms of Use or our Privacy Policy. Thank you!