Why is my Coverstitch not stretchy?
Stitch Length – Increase the stitch length to a 4.0. If the stitch length is too narrow, the fabric will tend to stretch. This is a very common problem in lightweight knits. … If the stitch length and differential feed did not solve the problem, try raising the presser foot up a little higher.
What stitch is best for stretch?
The best stitches to use for sewing stretch fabrics are:
- Narrow zigzag: opt for a very narrow setting with the zigzag, with the stitch length equal to the stitch width.
- Overedge stitch: a specialty stitch that locks over the edge of the fabric so it stitches and finishes a seam in one pass.
What is the difference between chain stitch and lock stitch?
Chain stitch strength is higher than the lock stitch. Lock stitch strength is lower than the chain stitch. At the top of the stitch, it appears like a lock stitch and at the bottom, it looks like a double chain. On both sides of the stitch, it appears the same.
Can a serger do a chain stitch?
Chainstitch: a stable stitch that appears as a standard straight stitch on the right side and a decorative chain on the underside. … On four-thread sergers, two needles and two loopers create more secure stitches for seaming/finishing. The stitches perform the same functions as three-threads, only with extra durability.
Why is my coverstitch tunneling?
Tunneling – Sometimes the fabric between the two (or three) rows of coverstitching (or twin needle stitching) raises up, creating a little mountain between the stitches. This is referred to as tunneling and can usually be fixed by loosening the looper tension until the fabric between the stitches lies flat.
Does a zig zag stitch stretch?
A zigzag stitch is a great way to seam knit fabrics. Its inherent stretch allows for the fabric to stretch and move without fear of popping a seam. On light to medium weight knits, try using a stitch length of 1.5 and a width of 5.
What stitch is used for t shirts?
Straight Stitch Hem
Set machine for a straight-stitch, 10-12 stitches per inch (2.5mm setting). Stitch on right side of T-shirt 1/4″ from hem allowance edge, stretching fabric slightly as you sew. Add a second row of stitching, again stretching while sewing, 1/8″ to 1/4″ from first row.
What tension should I use for polyester?
Fortunately, you don’t need to think too much about it – set up your machine for polyester, and it will cope with most types of poly fabrics without further adjustments being needed. As a general rule of thumb, the upper tension will usually be around a 4.