All of a sudden I cannot wind a bobbin because when I do, there is no tension, no matter how many different ways I try to do it, so the result is a loosely and tangled wound bobbin. What has happened? I have had this machine for two years, it has always wound bobbins perfectly. Help!
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Re: Bobbin winder has no tension
Are you sure you have the thread over the right place? it should be from the spool to the small metal wheel on the top of the machine and nothing else, also make sure your using a janome or s-class bobbin ( also it should be a plastic bobbin if it loads from the top of the machine and not the front ) when i fill a bobbin i also start out slow sometimes keeping my finger loosley on the thread itself before it winds on the bobbin to give it more stability.
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Sounds like it is actually the tension on the bobbin winder. Make sure that the thread is following the correct path to the bobbin. Other than getting it repaired, a stand-alone bobbin winder (avlb @ JoAnn's or online) for ~$30 would work. One brand is called the Sidewinder. Verify that your bobbins will work on it because some Singer bobbins will not. It's a nice accessory to have because it saves wear 'n tear on your machine plus you can wind bobbins without unthreading the machine.
FWIW, it is usually better to wind bobbins at a slower speed. Higher speed will tend to make the bobbin jump around and the thread to pop off. In addition, higher speed will tend to stretch the thread going onto the bobbin. The thread will not relax until unwound from the bobbin and stitched into your garment. It may cause the fabric to pucker as the thread relaxes. Slower is better!
if the bobbin thread is winding around the bobbin winder spindle then the bobbin is not sitting correctly on the bobbin winder spindle,, the bobbin (metal or plastic) should lock in on the bobbin winder spindle & the the thread should be around the bobbin tension guide
If neither is problem, then you can always pick up a stand-alone bobbin winder (Amazon, JoAnn's, etc) for ~$30. One brand is called Sidewinder. These bobbin winders are marvelous because you can wind bobbins without unthreading your machine. It also saves wear and tear on your machine.
If you are finding that the bobbin is winding with more thread towards one edge of the bobbin than the other, the bobbin winder motor needs to be adjusted so that the angle of the winder shaft is properly aligned with the tension disc next to the head cover. Unfortunately, unlike many of the other models, you have to remove the covers on the Activa range to get at the adjuster. There is a spring-tensioned screw just to the left of the bobbin winder motor that adjusts the angle of the motor and therefore how it loads the bobbin. If the winder is loading the bobbin with most of the thread towards the bottom edge, the screw should be turned clockwise and if most towards the top, it should be turned anticlockise. Make adjustments until the thread is winding evenly or, at least, towards the centre of the bobbin.
If you are finding that your bobbin is being loaded somewhat randomly, make sure you are using the vertical spool holder to hold the spool and that you've got a foam pad under the thread spool. Route the thread through the thread guide before winding around the tension disc in the correct direction (see the arrow on the case) and ensure that the spool and thread do not vibrate unduly when the bobbin is being wound. If you let the spool vibrate whilst the bobbin is loading, it may result in varying tension on the thread and uneven winding onto the bobbin.
The bobbin is probably cracked. They get that way when bobbins are wound in correctly, or to tight. Just break it off and get new bobbins. Just make sure your theading it correctly when winding bobbins.
There's really no way to increase the bobbin winder tension. Check to see that you have it threaded correctly for bobbin winding. There should be just a little bit of drag on the thread as you pull it over to prewound it on the bobbin.
You must put that black ring back on the sewing machine. It will not work without it. There is a groove in the black plastic part that lines up with the black metal "fin" that is in the middle of the bobbin winder. Put the "fin" in the 12 O'clock position and line the groove up at 12 O'clock as well and push it onto the spindle. It will "click" when you have it on all the way.
The reason it got pulled off is because the thread has too much tension on it as the machine was winding the bobbin and it crushed the center of the bobbin onto the spindle and the black piece that pulled off the machine. If you are winding the bobbin through the needle you must go under the presser foot, (always have the foot in the up position)and the foot must be a metal one and you DO NOT put the thread over the silver button like guide on the right side of the machine to wind the bobbin. That guide is a tension device that is used to put tension on the thread when you use the guides on the rear of the machine instead of the regular path through the needle. If you use the normal thread path through the needle and that button like tension device, it creates too much tension on the thread and wraps it too tightly on the bobbin, some it even breaks in half. You can also have bad stitching even if you get the bobbin off the machine because it can distort the shape of the bobbin which can cause it not to spool properly so you sewing tension of the bobbin is compromised.
Winding too tight;
Whenever your bobbin won’t come off any Viking, Designer 1 included, it’s because it wound too tight. This is how you know. It went on easy! To get it off, don’t pry, slowly unwind all thread, it will change shapes and let go of the bobbin winder. My favorite way to wind a bobbin on a Viking is to thread the machine through the needle and go under the foot then up to the bobbin winder (it has to be under the foot or it winds too tight. If it still winds too tight, lay your thread down instead of standing it up, the weight of the thread can increase tension on the winding process also check that you use a spool cap as large as or slightly larger than your spool. If it still winds tight. I’ll explain what bad thread can do.
Test your thread quality to start, thread your machine and LIFT the presser foot (this opens the tension disks). Pull your top thread straight back. If you feel no tension no mater how much thread you pull, your thread is good. If that your machine passes that test (tip: always check your thread this way when you thread your machine)