What does the bottom thread do on a sewing machine?

Why do you need a bobbin in a sewing machine?

What Does It Do? In general, the bobbin is the thing that feeds the thread to stitch from the lower part of the machine. Its purpose is to hold the thread below the needle, and it is where the thread in which you stitch comes from.

Do you have to sew with bottom thread?

Sewing machines are factory preset to have the top and bottom thread form even stitches. If the top and bottom threads are identical in fiber and weight, adjustments are most likely not necessary. … It is also OK to use different fibers top and bottom.

Does bobbin thread have to be the same color?

You can use whatever color you want, but you don’t need to change color to match the top thread. Your bobbin thread should not show through the top layer of stitching. It will only be seen on the back of the item. … Your bobbin thread should not show through the top layer of stitching.

Why is my thread bunching underneath?

A: Looping on the underside, or back of the fabric, means the top tension is too loose compared to the bobbin tension, so the bobbin thread is pulling too much top thread underneath. By tightening the top tension, the loops will stop, but the added tension may cause breakage, especially with sensitive threads.

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What color should my bobbin thread be?

Usually when you thread your machine you use the same color for the top spool as you do for the bobbin. This is fine when the fabrics you are sewing together are the same or when the underside of your project will never be visible.

How do you bring the bobbin thread up?

How to pull up the bobbin thread

  1. Hold the top thread to the left and lower the needle (blue arrow) with the hand wheel on the side of the sewing machine.
  2. Raise the needle (blue arrow) with the hand wheel, and you will see the bobbin thread (red arrow) get pulled in a little.
  3. Gently pull the top thread.

What is 90 weight bobbin thread used for?

This 90-weight white bobbin thread is gauged specifically for Brother embroidery machines and perfectly balances the needle thread. Made of strong, durable 100-percent polyester that won’t shrink, break, or fray, it makes a great, economical all-around staple.