Author Topic: Messy stitches on tubular  (Read 188 times)

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GREYPHON

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Messy stitches on tubular
« on: July 26, 2018, 05:46:45 AM »
Just started to make some bungees with 3/16 shock cord and have a bad result... Stitches on top are ok, on the bottom this is a real mess: any ideas?




SunriseTacticalGear

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Re: Messy stitches on tubular
« Reply #1 on: July 26, 2018, 06:45:39 AM »
What kind of machine are you using?
What needle?
What thread size?
Thanks, Scott

GREYPHON

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Re: Messy stitches on tubular
« Reply #2 on: July 26, 2018, 07:34:12 AM »
Scott,

Is a walking foot Brother DB2-B978
Needles are universal 110
Thread is GŁtermann Tera 40

This is very strange, it works smooth on the same tubular without the elastic shock cord...maybe the shock cord is too thick (and would need to adjust tension somewhere)?

BergspitzeCustoms

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Re: Messy stitches on tubular
« Reply #3 on: July 26, 2018, 08:06:03 AM »
This is very strange, it works smooth on the same tubular without the elastic shock cord...maybe the shock cord is too thick (and would need to adjust tension somewhere)?

This is exactly what it is.  The tension works in conjunction with the presser foot being engaged. When it doesn't sit down far enough, tension is not appropriately applied.  Also, when sewing through thick things, the timing slows *ever-so-slightly* and that can also cause the looping/birdsnests.

Fouinard

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Re: Messy stitches on tubular
« Reply #4 on: July 26, 2018, 10:42:38 AM »
I would raise the top tension and increase the needle size, so the thread slides easier in the eye and also make bigger holes. 110/18 may be too small I generally use 130/21 for everything.

GREYPHON

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Re: Messy stitches on tubular
« Reply #5 on: July 26, 2018, 11:40:22 AM »
brilliant! thank you all!
I'm now reading the manual to manage the tension. Will post here if all gets back to normal so that maybe other can learn too  ;)

stimpy

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Re: Messy stitches on tubular
« Reply #6 on: July 27, 2018, 02:31:01 PM »
I use a size 20 needle and don't need to change tension when sewing shockcord in tubular. I do however run my machine with high tension on everything