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Bind off

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16 comments

  • Robert Ingemarsson

    Hi - Unlikely to be the brushes unless you are also having issues in other areas of the knit.  The brushes are there to help the latches open.  Would not change anything with the brushes unless you are sure that is the issue..

    What is the actual issue you are getting? Does any of the bind off work?  When does it fail? How does it fail? Does it always fail at the same point? Can you upload some pictures.

    With regards to the new bindoff, I don't believe this has been added yet.  Gerard Rubio can you confirm this please?

    Tim

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  • Joe McFadden

    Attached is a picture of a jacquard swatch where you can see the bind off hasn't worked. The kickstarter scarf also knitted fine and has a similar bind off to this. It would be good to know if it has been updated yet and if not, what is the timescale for this and will it happen at the same time as the preview software going live?

    We are reluctant to start playing around with the knitting parameters as suggested in previous posts if it's due to be updated soon. Gerard Rubio can you confirm please?

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  • Joe McFadden

    On the topic of brushes, when we inspected them they looked very worn and we are wondering if this is normal? We haven't knitted on the machine a lot - mainly testing the kickstarter scarf and several swatches. Also, at what point do they need to be replaced?

    Thanks for you're help Tim!

    Joe

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  • Catriona

    Following would like to bind off.

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  • Robert Ingemarsson

    Joe

    A couple of things with regards to the bindoff....

    1. The current bind-off should knit ok, but you may need to adjust the stitch size before running into the bind-off to make sure you don't end up with dropped transfer stitches.  You see below how we have changed the stitch sizes for the row(s) before the transfer stitches to match the stitch size used in your knit.  If you do not do this, you are likely to get dropped transfer stitches.  Suggest this is the first thing you try. 

    The brushes may be causing an issue (particularly at each end of the knit) (See next post).  You could find this out by reversing the feeder you use for the bindoff (for example, if you are binding off on feeder 3 try feeder 4, and if you are using feeder 4, try feeder 3). 

    For reference, the middle feeders are the best feeders (3/4) to use when knitting / binding on / off.

     

    2. The current bind-off is viewed by most as not production quality, as the stitches are loose.  Gerard Rubio is aware of this, and we have provided a copy of our bind-off to him which we add manually to each of our knits. The bind-off should still knit successfully with no issues, as long as you follow the above and have correct tension.

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  • Robert Ingemarsson

    Joe

    With regards to the brushes, this is exactly the issue we had when the brushes were not set correctly.

    PLEASE CHECK WITH Gerard Rubio before doing any adjustments to your machine... 

    See below showing our issue...

    1. Brushes being shredded

    2.  Position of our feeders.  You see the left brush is touching the feeders which will firstly shred the brush, and will also stop the yarn from getting the correct tension as it flows through the feeder.

    3. Showing the feeder touching the brush, and the yarn 'stuck' as it cant get pulled through with the correct tension.

    4.  Image from Jipke Lezwijn, Kniterate showing how to resolve.

     

    Hope this helps...

     

    Tim

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  • Joe McFadden

    Thanks Tim, our brushes will definitely touching the feeders, we have less of a gap between the two brushes and this it is already at its maximum settings to move in the way of the arrows on the pictures attached (and also up the way so there is no way of creating more of a gap). 

    We'll wait to hear back from Gerard Rubio and Jipke Lezwijn before making any adjustments.

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  • Catriona

    I am having problems with the bind off following the posts. Have changed the settings. Hope this can get fixed soon.

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  • Robert Ingemarsson

    @catriona - just to re-iterate - the bind off that a currently in the system works perfectly - you just need to make sure the stitch size at the end matches your knit correctly and if necessary add a single row before the bindoff .

    We have knitted this bindoff with no issues many times.

    The only issue is that the stitches are not (in our view) production quality if you are intending to sell the garments.

    What issues are you having @catriona?

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  • Robert Ingemarsson

    Joe - your brushes are definitely set wrongly . We have had to adjust the angle on the right angled metal connector so the brushes now sit correctly . Can you let us know what @gerard says

    Thanks

    Tim

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  • Gerard Rubio

    Hi Joe McFadden the bind off is one of the actions that require better fine-tuning of all the parameters. The one the software provides works well for our testing yarn. I believe with each yarn, parameters might have to be slightly tweaked.

    The best approach to this is to analyze why a transfer fails. To do that, you can remove the brushes to have better visibility of what is going on there. We are happy to diagnose the issue if you can send us a video of a bind-off seen from above. If you could send a close-up of the edge from the samples above to see the stitches from close, we could probably help diagnose the issue as well. You can write us at: support@kniterate.com.

    We take notes of all your suggestions for the bind off (thanks Robert Ingemarsson for sharing your thoughts!) but we haven't made any changes to the design app yet. We will let you know when we introduce any changes to it.

    In regards to the brushes, it is normal they get worn with use. The ones from your picture could be used for a little bit longer. As soon as they stop performing their main tasks, open the latches, they need to be replaced.

    As Tim points out, feeders shouldn't touch the brushes (as long as you don't have more than two feeders overlapped). In your case Joe, I recommend adjusting the brushes a bit. To do that, I would overlap feeders 3 and 4 and bend the brushes away until there is a couple of mm of separation between them. Thanks for adjusting that (it is all made out of steel so nothing will break for some bending).

    Thank you,

    Gerard

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  • Joe McFadden

    Hi Gerard - I'll email some close up shots to see if you can diagnose what's happening with the bind off.

    Would the brushes be worn more because of their current position and how long should we expect them to last? We haven't knitted a lot on the machine at all apart from the sample scarf and some swatches. Is it possible that because our brushes are so close to the needle bed that this could cause extra wear or any other issues (when comparing Robert Ingemarsson's pictures above to ours, ours are much closer). 

    Could you please send an email with detailed instructions with what you are proposing to do re bending the brushes away from the feeders? Not sure if you mean to try and do this when they are still on the machine or what part to bend etc? 

    Thanks

    Joe

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  • Joe McFadden

    Robert Ingemarsson it would be really helpful if you could post an image of your brushes and feeders after you bent them into place. 

    Thanks

    Joe

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  • Gerard Rubio

    Hi Joe McFadden, thanks for sending detailed pictures over email. Something I think could help is to add two knitted passes after you've transferred all the stitches to the same bed, right before doing the bind off. Those knitted passes make the stitches even, which increases the success rate with the bind off.

    If you find the stitches a bit too loose in the bind off, you can try to make the last knitted pass right before the bind off with a smaller stitch size. 

    It could be the case that your brushes have worn prematurely due to their current position. We will send you a new pair of them for the inconveniences.

    We will send those instructions over email for you to adjust the position of the brushes.

    Thanks

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  • Catriona

    Any update on the bind off yet. Had anyone made any success with this. I have tried changing the settings slowing everything down, changing my stitch size. Still problems, any suggestions welcome thank you.

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  • Robert Ingemarsson

    Hi. Can you post images of what issues you are having and also images of the bind-off parameters (what speed and stitch sizes are using ) before and during the bindoff from the design software.

    did you update the bind-off with our email recommendations ? The bind-off definitely works if configured with suitable parameters relating to your knit bit may need some playing around with to get right.

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