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Q: Do I really need so many
different needles?
A: Explaining how needles work is the best way to answer this question.
What
Makes Needles Different from one-another?
Needle Sizes
The needle size determines how large the needle is; how large the eye-is and how
deep the groove-is on the front of the needle. (a) |
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Needle Types
The needle type refers to the needle's point in addition to the depth-length and
shape of the scarf on the back of the needle. (b) |
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What
will happen if I don't use the correct needle size and type?.
If you do not use the
correct needle the hook of your sewing machine cannot form the stitch properly which
causes skipped or looped stitches and one of the most annoying problems; when the thread
frays-up above the needle eye.
 
Using the right needle for your
thread and fabric, will almost stop the thread from shredding above the needle eye!
WHY?
Because the damage to your
thread actually happens when the needle enters the fabric.
The silver lever that
goes up and down on the front of your sewing machine (Take-Up Lever)-pulls slack on the
thread allowing the sewing machine hook to pick up the needle thread after it goes
underneath the bobbin case.
The hook picks up the
thread where the scarf is on the back of the needle.
If the thread pulls
against the needle the hook nicks the thread instead of picking it up, damaging it.
That lever then pulls
the needle thread back up as it moves up it goes above the needle's eye.
As the machine continues
to sew the next stitch, the damaged area of the thread then tries to slide through the
needle eye but because of the damage the hook caused-the thread is shredded instead.
Will using the
correct needle stop all of my thread problems?
NO. There are other reasons why the
thread pulls against the back of the needle. Metallic thread will continue to be a problem.
Why? And is there
something I can do to keep it from splitting and breaking?
Metallic thread has a nylon inner-core
that stretches.
- Placing the thread on a separate thread stand will help keep the thread from stretching.
- Another reason the metallic threads
split is because the outer surface of the thread is rough. As the needle goes through the
fabric it rubs against the fabric which causes it to come too close to the back of the
needle.
- Using the Lube-A-Thread
will keep the thread from rubbing against the fabric.
- Another use for the Lube-A-Thread kit is
to rub a small amount of the non-staining silicone on the needle when using adhesive
products. This will prevent the adhesive from making the needle sticky which causes
skipped and looped stitches.
What are the
different types of needles?
- H-Style Needles
are known as Universal needles and are light ball-point needles. They push fibers
aside as the needle enters the fabric.
- HS-Style
needles are Stretch needles and are also light ball-point needles. This needle
has a deeper scarf in the back of the needle and a thinner shank making it easier for the
machine to form a stitch. Because the needle comes closer to the hook with this needle,
not all brands and makes of machines should use it. Singer (SLANT NEEDLE) sewing machines
shouldn't use these needles, use Singer yellow band needles instead. Bernina's from 830
model and older should not use this needle, use Bernina brand stretch needles.
- SUK-Style
needles are designed for large knit fabrics and are a large ball-point needle.
The point of this needle is larger which helps the machine form a stitch.
- HJ-Style
needles are sharp-point needles designed for
sewing through denim or tightly woven-layered fabrics. This needle will cut-through fibers
rather than pushing them aside. if you use a universal needle on denim the needle will
bend as it attempts to push the fibers aside. We will use the 70/10 HJ needle for sewing
straighter stitches on non-stress areas. You never want to use this type of needle on
lightly woven fabrics when sewing seams. The fabric will eventually break-apart which is
why many of the antique quilts are falling apart.
- NTW-Style
needles are designed to sew through fabrics that are treated with heavy
stiffeners like upholstery fabric and leather. However there are other fabrics that should
be sewn with this needle. This needle does not puncture a hole it cuts a wedge shape slit
in the fabric so that when the needle exits the fabric the wedge cut in the fabric comes
back and closes up the exit wound in the fabric. If you poke a hole in a piece of fabric
and hold it up to the light and can see that the hole remains open then you may want to
use this needle. It will prevent skipped stitches but definitely weakens the fabric.
- ZWI-Style
needles are twin needles or double needles.
Double or Twin
Needles have so many numbers on the package, what do they stand for?
- The 130/705 number represents the length
of the needle. All domestic sewing machines use the same length, so this number is not
important to remember. Some Sergers/Overlocks use different length needles and using the
incorrect length will cause severe damage to your Serger's/Overlock's loopers.
- The numbers at the the bottom of the
package stand for the distance between the needles and the size of the point.
- Example: 2,5/80 stands for 2.5mm
distance between the eyes of the needles. And the 80=80/12 size points.
- The H following the 130/705 numbers
represents the type of point the needle has.
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