Question about Necchi 6015 Mechanical Sewing Machine

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Bobbin thread is straight across under fabric when it is stitched but it is attached to top thread. How can I correct this?

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Reduce the bobbin thread tension. It is done by loosening the little screw on the bobbin case. It is a sensitive adjustment so turn about 1/8 of a turn at a time.

Posted on Mar 31, 2011

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Straight stitch problems with Husqvana Saphire 969Q


Not quite sure what the stitching looks like on the bottom of the fabric. Does it look like this?

https://lindeegembroidery.com/common-causes-of-birdnests


Remove the thread from the machine.

ALWAYS raise the presser foot when threading the upper thread. This releases the tension disk so the thread will seat properly. Be sure to use a brand new needle and that it is the correct type needle for the project, thread, and fabric.
All About Needles
Verify that the thread path is correct. Check that the bobbin is inserted correctly and threaded through the tension on the bobbin case properly. AVOID old or bargain bin thread. You may even try a different brand of thread (some machines and threads are just incompatible.)

Birds nest under the fabric big loops of thread top side looks good...

Tutorials Urban Threads Unique and Awesome Embroidery Designs

TIP Avoid Thread Bird Nesting with these Four Tips Stitching Sewcial

...

Nov 13, 2016 | Sewing Machines

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Having problems with the tention of both threading


Tension is a common problem for new and even intermediate sewists. Testing is about the best way to figure out what works for your machine.

Be sure you are using a brand new needle and that it is installed correctly (flat side facing the proper direction).

ALWAYS RAISE the presser foot when threading the upper thread. This releases the tension disk so the thread will seat completely. Check the thread path and verify that it is correct. Missing one thread guide will create havoc!

Check that the bobbin thread is wound smoothly and that there are no thread ends sticking out of the bobbin anywhere. The bobbin must turn in a specific direction when in the bobbin case and the bobbin tension needs to be threaded correctly. (For this, you need to consult your owner's manual.)

Set the upper tension to the mid-way point. This is the default setting although it will most likely require some tweaking because all machines are just a bit different. Tweaking is a very common necessity as different threads and fabrics will affect the tension.

Set the straight stitch length to somewhere around 10 stitches per inch.

Use two pieces of medium weight fabric, like 100% cotton. Bring the bobbin thread to the top of the fabric before beginning to stitch.

https://www.youtube.com/watch?v=KDERq4I7l-Q


http://ohyoucraftygal.blogspot.com/2013/10/sewing-lesson-10-how-to-fix-tension-on.html

Understanding Thread Tension Threads

Test your stitch. The ideal tension is when both the top thread and bobbin thread meet in the middle of the fabric.

If the top thread is looping or showing under the fabric and the bobbin thread appears to be running in a straight line, the top tension is too loose.

If the bobbin thread is showing on the top of the fabric or the upper thread is running in a straight line, the upper tension is too tight.

Keep adjusting until it looks like the pictures in the web links above. Remember, when you change thread or fabric weights/types, etc., you will probably need to re-test the tension and adjust.

One more suggestion: use good quality thread. AVOID old or bargain bin threads. They may save you money but will cost a lot in frustration.

..

Nov 07, 2016 | Sewing Machines

2 Answers

Why isbobbin stitch on top weird how do i fix


sorry but the bottom stitch does not move but the top one does . if you want straight stitch the machine setting has to be changed to straight .

May 22, 2015 | Sewing Machines

2 Answers

How to adjust the bobbin tension.


According to the manual, you should not need to adjust the bobbin tension (and I located other sites which stated the bobbin tension cannot be adjusted on this machine). Apparently, all the tension adjustment is accomplished through the upper thread::
"EN Thread Tension Upper thread tension Basic thread tension setting: "4". (1) To increase the tension, turn the dial to the next number up. To reduce the tension, turn the dial to the next number down. A. Normal thread tension for straight stitch sewing. B. Thread tension too loose for straight stitch sewing. Turn dial to higher number. C. Thread tension too tight for straight stitch sewing. Turn dial to lower number. D. Normal thread tension for zig zag and decorative sewing. Correct thread tension is when a small amount of the upper thread appears on the bottom side of fabric. Lower thread tension The bobbin tension has been set correctly at the factory, so you do not need to adjust it. Please note: - Proper tension setting is important for strong seams. - There is no single tension setting appropriate for all stitch functions, thread or fabric. - A balanced tension (identical stitches both top and bottom) is usually only desirable for straight stitch construction sewing. - 90% of all sewing will be between "3" and "5". - For zig zag and decorative sewing stitch functions, thread tension should generally be less than for straight stitch sewing. - For all decorative sewing you will always obtain a nicer stitch and less fabric puckering when the upper thread appears on the bottom side of your fabric. 1 A B C 22 D"

Doing further research, I found this statement on a machine review site:
"After reading reviews online from where I've bought my drop-in bobbin machines, I think many of the negative reviews are due to the bobbin thread coming up without laying across the bobbin. It can cause the stitches to look very sloppy and no amount of tension adjusting can fix the stitches."

There are several machine review sites wherein 4423 owners stated their disappointment in the 4423's performance. Some said the machine failed almost immediately and others said the machines developed problems when sewing heavy fabric.

Apr 26, 2015 | Singer 4423 Sewing Machine

1 Answer

Top thread bunches


try changing the needle--use a needle according to the fabric
being sewed
if thin fabric is being sewed try using a stablizer
rethread the machine top and bobbin--use every thread guide
make sure the bobbin is inserted correctly and turned correctly
in the bobbin case
also try adjusting the top thread tension just a little

Oct 23, 2012 | Singer 2950 Mechanical Sewing Machine

1 Answer

Bobbin case jumps out of place when free-motion quilting


Skipped stitches
1. The needle is not inserted correctly
Remove needle & reinsert needle( flat side towards the back of machine)
2. The needle is damaged
replace with new needle
3. The wrong size needle is being used
Choose a needle to suit the thread & fabric
4. The foot not attached correctly
Check & attach correctly

bird nesting problems

Try these suggestions

1. Change needle

2. Rethread the machine--top --make sure to use every thread guide

3. Take the bobbin out --make sure it is inserted correctly into the bobbin

Case, & make sure the bobbin is turned the correct way

4. make sure the thread has not come off the thread take up lever

5. Clean under the needle plate & in the bobbin area for lint or threads



The needle thread breaks

1. the needle thread is not threaded properly

2. The needle thread tension is to tight

3. The needle is bent or blunt

4. The needle is incorrectly inserted

5. The needle thread & the bobbin thread are not set under the presser foot when starting to sew

6. the threads were not drawn to the rear after sewing

7. The thread is either to heavy or to fine for the needle

Sep 12, 2012 | Sewing Machines

1 Answer

Bobbin shuttle


1. Clean shuttle with your sewing machine brush to remove old broken threads, lint, and sweep out the feed dogs carefully. 2. Rethread making sure you have the handwheel turned toward you, all the way up. 3. Lift presser foot up BEFORE you put thread front to back in eye needle. 4. Set machine on straight stitch sewing. Attach straight stitch foot if necessary. 5. Make sure 5-6 inches of thread are pulled toward you from threaded needle. 6. Pull up bobbin thread. 7. Pull 5-6 inches of bobbin thread and put it, along with needle thread under presser foot. 8. Put fabric scrap under presser presser foot and LOWER it now. Make sure, too, that the needle is correct size for fabric you're sewing. 9. Do a test. You may need to set tension at 4, stitch length at about 4 and width at 6. Just test it and adjust tension in very, very short turns. Another tip: Put one drop of good quality sewing machine oil on the hook, lower left-hand side. Make sure when you thread bobbin in the bobbin case to hold bobbin between thumb and forefinger and pull out about 4 inches of thread after you make sure thread unwinds top left (if you are right-handed!). Guide the thread into the slot in edge of bobbin case (screw sits on top of this "edge". Pull thread under tension spring and then into the delivery eye. Never panic, my friend! Try this and see if this helps. You should probably insert new needle too--just in case "old" one bent. Jimmy

Mar 31, 2012 | Brother LS-2125 Mechanical Sewing Machine

1 Answer

Bernina activa 210 won't zigzag and has bobbin issues on straight stitch


it's very possible that the machine is slightly out of time & needs to be service at a sewing machine shop
is the fabric & thread & needle compatable with each other?
did you use every thread guide when threading the machine?
is the bobbin in correctly?
is the bobbin warped?

Mar 20, 2012 | Bernina Sewing Machines

1 Answer

The first few stitches are just fine but then the machine seems to seize up and stops. When I try to remove the fabric I can barely lift it and then I must cut through a veritable bird's nest of threads on...


You may have a jam under the needle plate. Take it off and have a look.
It is often a simple case of one of the threads not passing through the tension discs correctly. Try re-threading upper and lower, making sure the presser foot is up at the time.

Are you sewing a fine material? Sometimes fine fabric gets pushed down through the universal needle plate hole which is slightly elongated. If this is the case you need a straight stitch needle plate. You cannot do zig zig or anything other than straight stitch with this plate.

If re-threading does not do it and you do have a soft fabric, try popping some freezer paper or similar under the first few centimeters of sewing before buying another needle plate, it might work.

Jan 25, 2011 | PfaFF Sewing Machines

1 Answer

The top stitch on my machine doesn't seem like it is correct. It seems like it isn't going deep enough into the fabric and hooking well w/ the bottom thread. It almost looks like one long stitch all the...


Hi. I think I know what you mean--the top thread looks like it's just laying across the fabric, right? This is because either the top tension is too tight or the bobbin tension is too loose. (Either condition will look the same.) Try it with a different color thread in the bobbin, you can easily see the bobbin thread cross the top thread on top of your fabric. Here's what to do:
  1. since you should hardly ever need to adjust the bobbin thread, we'll start with the top thread.
  2. Make sure you thread the machine with the pressure foot UP (opens the tension disks) but adjust the tension with the pressure foot DOWN (closes them so they will adjust). Use a size 12 or 14 needle and good-quality thread (it does make a huge difference!)
  3. With different color thread on top and in the bobbin, stitch an inch or so and check the stitch.
  4. Slightly loosen the top tension (move the dial so the numbers go lower). Don't move it a lot, just a little bit.
  5. Stitch again and check. Repeat this process, stitching, checking, and gradually adjusting the tension dial until you don't see any of the bobbin thread on the top (or very, very little) and don't see any of the top thread on the underside (or very, very little).
  6. IF this doesn't get the balance adjusted, then you'll have to play with the bobbin tension. (But generally, once this is set, you shouldn't have to mess with it again.)
  7. There is a tiny screw on the bobbin carrier that tightens or loosens a very small metal strip (where the thread exits the carrier). To tighten the bobbin tension, screw this just a tiny bit to the right. (Turn it to the right to loosen the screw, to the left to tighten it.) Again, just make a small adjustment each time and recheck your stitches.
Few things about sewing are more frustrating than stitches that aren't balanced!

Sure hope this helps!


Robbie

Apr 22, 2010 | Brother XR7700

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