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Forum > Sergers, Coverstitch and Blindhemmers > Serger differential feed ( Moderated by CarolynGM, Deepika)

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Serger differential feed
Helpful with two flat layers?
gdgtmma
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gdgtmma
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Date: 5/1/13 9:58 AM

I've been sewing lots and lots of drapes. On my last group I had 96" long seams and serged the cotton/poly lining to my quilting cotton. I found the top layer of my fabric getting too long in between pins, so had to keep unpinning and let the fabric lay together. Can the differential feed help in a situation like this? I know I can increase the number to help gather the fabric, but I think this would work on both fabrics - not just the top fabric. Thanks!

mgmsrk1
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In reply to gdgtmma <<


Date: 5/1/13 10:47 AM

That is exactly the kind of situation that differential feed is ment to be used for.

The differential feed controls the speed of the feed between the top and bottom. If one fabric is being stretched the feed should be adjusted until both fabrics feed evenly.

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Doris W. in TN
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Doris W. in TN  Friend of PR
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In reply to gdgtmma <<


Date: 5/1/13 1:29 PM

Based on my own experience, it might help. I always do some testing on strips of fabric. Sometimes I have to do 'taut' serging to get the best results.

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PattiAnnJ
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Date: 5/1/13 1:48 PM

Absolutely. Use the DF!



-- Edited on 5/1/13 1:49 PM --

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gdgtmma
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gdgtmma
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Date: 5/1/13 2:31 PM

Thank you - that is reassuring (I still have several panels to make). I didn't have long enough pieces of scraps to replicate my issue..... So if my top piece is bigger than my bottom piece, which way should I adjust the differential feed?

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Date: 5/2/13 7:14 AM

If you can, adjust your foot pressure lower. Sometimes this is all you need.

If it can't be adjusted, I would serge with the longer piece on the bottom, and adjust the differential just a few tics up. This would ever so slightly gather the bottom fabric (which should be the longer piece). I think that works better than trying to adjust the feed to lengthen the smaller piece.

beauturbo
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In reply to gdgtmma <<


Date: 5/2/13 3:50 PM

I think that is what split deferential feed is for too. I like it, and wish all my sewing machines had it too actually. It is going to have the very most effect on the bottom layer of fabric that is actually against those separate moving from each other feed dogs though, that are making the fabric stretch out or condense up by how you set it each time positive or negative. So I would put the layer of fabric (if using two different ones) that I was trying the most to have that effect on, (condense or stretch) down side, against my split feed dogs, just because it would be the layer of fabric that had contact with them. Sometimes it might not matter all that much, but sometimes it really might.

gdgtmma
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gdgtmma
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In reply to beauturbo <<


Date: 5/10/13 4:16 PM

Thank you - I really understand it much better now.

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