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Understanding Bobbin Tension

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Uploaded by on Feb 26, 2007

Bobbin Tension can be confusing on a commercial embroidery machine. Here is a video that can help explain it.

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Howto & Style

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Standard YouTube License

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  • i liked this video

  • so I guess it should not be spinning freely my bad

  • thank you

  • Thank you SOOOOOOOOOOOOO much!! After an afternoon of horrible sewing problems, it was fixed in 5 minutes!

  • When i do this test my bobbin just free-falls, but i can't tighten the screw anymore. What can i do? Or do i need to buy a new bobbin?

  • Thanks! These instructions are crystal clear. I followed them exactly and was able to adjust the tension on my Husqvarna's bobbin w/o any problems!!!

  • I believe this is a good technique to start with, but for every home use and 4 a bit more heavy duty machines i've had to work with it produced too much tension. The actual required tension is about 60% of what is produced with this technique.

    Also pathways the thread follows must be as clean from lint-crud-rust-burrs as can be, because the slightest hinderance will change dramatically the resistance needed, consider every thread type & diameter requires a new setting.

  • How many Newtons of Force?

  • Setting the tension on a new bobbin is OK if all you are going to use is new bobbins. But in the real world, especially in commercial sewing such is not the case. Setting the tension on the bobbins you are going to actually be using is much more useful. Also you can run much less bobbin tension and make the upper tension adjustment and stitch formation easier. Less can be much, much better. The general thought now is that lower tension is usually too high.

  • What was not mentioned was the fact that many bobbin cases will be unable to hold the bobbin whilst this technique is performed. The best way to test tension is by marking the original tension screw position and making small adjustments then test sewing.

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