How to Adjust a Rotary Bobbin on Your Sewing Machine
ZJ HumbachDescription
Types of Bobbins
There are two main types of bobbins found on sewing machines today: drop-in bobbins and rotary bobbins. While most conventional home sewing machines have transitioned into mostly the drop-in bobbin type, many embroidery and quilting machines, especially longarm quilting machines, still use a rotary bobbin. ZJ shows what a rotary bobbin looks like and explains the basics on how it is different from a drop-in bobbin.
While most home sewing machines use a drop-in bobbin, there are still machines available with rotary bobbins, and that may be something you want to consider when learning how to choose a sewing machine, depending on the type of sewing you will be doing.
Tension Settings on Bobbins
Tension issues on a machine can cause thread tangles, thread nests, uneven stitches, and all sorts of other stitch-quality issues. Because of this, it is important to make sure your tension is accurately set on your machine before you start a project. ZJ shows you how to test the tension on a rotary bobbin. She explains several different methods you can use as well as shows what her favorite method is. ZJ then shows which screw on the rotary bobbin can be adjusted to either loosen or tighten the tension.
She explains that all changes should be made in very small increments. While a needle tension dial is something that can accidentally be bumped while cleaning your sewing machine, making it so you have to adjust it, bobbin tension typically only needs to be adjusted if you are changing thread weight or fabric type when sewing.
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