The tension could be too tight or too loose. Set the tension to the basic thread tension setting or adjust the tension manually. The combination of the needle size, thread size and fabric is incorrect. Be sure to use the correct size needle and thread for the type of fabric that you are sewing.
What should the tension be set on a Singer sewing machine?
The target figure should be around 30 to 40g. (1-1/4 to 1-1/2 oz) but it does not have to be too precise. However most people don’t have a spring balance handy, so alternatively you can tie a weight of the correct amount onto the thread and then jerk the bobbin gently upwards.
Why does my fabric bunch up when I sew?
Tension pucker is caused while sewing with too much tension, thereby causing a stretch in the thread. After sewing, the thread relaxes. As it attempts to recover its original length, it gathers up the seam, causing the pucker, which cannot be immediately seen; and may be noticeable at a later stage.
What tension should I use for thin fabric?
Use size 70/10 for really thin cotton like voile, size 80/12 for light to medium weight cotton, and 90/14 for thick cotton like denim.
Can I sew upholstery with a regular sewing machine?
Sewing upholstery is no different than sewing regular fabrics. … You can’t use a heavy duty thread and an industrial grade needle on a regular household sewing machine. Make sure and use the correct machine for your sewing needs-otherwise your project will look inconsistent.
What is a 90 14 needle?
It is related to size and point if needles. Some 100/16 are for Medium to Heavier fabrics like Jean and coat fabrics. 90/14 needles are for medium fabrics like broadcloth or corduroy. Size 11 is for cottons. It is best to consult your sewing machine manual for what is compatible with your machine.