How to Thread a Domestic Rotary Sewing Machine
Learn how to thread a domestic rotary sewing machine with this step-by-step guide. You’ll learn the importance of thread tension and how to set up the machine correctly before you start sewing.
For instance, is the machine set up for a straight stitch? Are the bobbin and top threads the same length? Is the thread needle set correctly? Once you know how to thread a machine, you can start making beautiful heirloom-quality clothing, curtains, and other home decor.

Table of Contents
Why Thread Your Sewing Machine?
A domestic sewing machine is an expensive investment. You’ll want to make sure you thread it properly to ensure that you get the most out of your machine.
For example, if you set the thread tension too high, the machine may pull threads or skip stitches. If you set the tension too low, the machine may have trouble sewing over thick fabrics or thick threads.
The threads that you use will also make a difference. For example, if you use cotton thread, you’ll have to take extra care to keep the bobbin thread and top thread the same length. If you use polyester thread, the bobbin thread and top thread don’t have to be the same length.
Meanwhile, the diameter of the bobbin thread should be a little smaller than the diameter of the top thread. If the bobbin thread is too large, it will be more likely to kink, which will make it difficult to keep the thread smooth. If the bobbin thread is too small, it will be more likely to pull out of the fabric.
When you’re threading a sewing machine, keep in mind that the bobbin thread will be the part of the thread that actually goes through the machine.
Butthe bobbin thread is usually not strong enough to pull a full stitch. It’s more like a guide for the needle to follow.
Why my sewing machine is jamming
If you’re using the topstitch, you’re going to be using a strong thread to pull the fabric through the machine.
I’d say if you’re going to use a strong thread for your topstitch, you should also use a strong thread for your bobbin thread.
In brief, you want to make sure that your topstitch and bobbin thread are strong enough to pull the fabric through the machine.
Setting Up the Sewing Machine
There are two ways to set up your sewing machine.
The first way is to set up the machine with the sewing foot already attached. The second way is to set up the machine without the sewing foot attached.
In both cases, you’ll want to make sure that the machine is set up correctly.
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Conclusion
The thread is the key to sewing success. The thread must be strong enough to keep the needle in place. It should be smooth and soft to the touch. If it is too rough or hard, it will wear down the machine and cause the needle to skip stitches.