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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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 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.
Put the thread spool on the vertical spool holder with a sponge pad underneath. Wind the thread off the spool and through the small wire thread guide next to the spool holder. Take the thread across the top of the sewing arm to the tension unit just next to the gap in the case through which the thread is normally threaded - the tension unit looks like the top of a shiny screw without the slots in it. Wind the thread in a clockwise direction around the tension unit once and pull the thread with a bit of tension until it slips into the sprung gap around the underside of the shiny part. Slip the end of the thread through one of the holes in the bobbin and, preferably, wind a few turns on, then push the bobbin onto the bobbin winder shaft at the right-hand end of the top of the machine. Turn the bobbin clockwise by hand a few more times to make sure the thread is 'locked' onto the bobbin and then just push the lever adjacent to the bobbin winder to the left. To wind the bobbin, you then press the foot controller and either stop when you've got enough thread on the bobbin or let it stop automatically when full. Make sure you dont go so fast that the spool rattles-around on the spool holder otherwise this could spoil the way the bobbin gets filled.
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)
all machines thread the same. TTN tension,take up, needle. Beginning
with the spool, guide the thread through the thread guides to the
tension assembly. Pull the thread through the tension assembly and test
it to make sure the tension is working correctly. (To do this
test,adjust your tension setting to normal or medium or 5 or something
in the middle. Raise the presser foot and pull the thread through the
tension. It should pull easily!! Lower the presser foot and pull the
thread. It should pull noticeably harder.) If it passes this test,
continue up through the take up lever,then down through the thread
guides to the needle. Make sure your needle is fully inserted and
turned the correct way.( If you load your bobbin case from the left
side,the needle rule is normally FLAT to the RIGHT is RIGHT. There are
some exceptions. If you have a newer style drop in bobbin or your
bobbin case loads in the front then the rule is FLAT to the BACK.
To wind the bobbin, guide the thread around the thread guide on the left top of your machine, then to the bobbin winder. Wind the thread around the bobbin several times, place the bobbin on top of the bobbin winder, push it against the wheel and press the foot pedal. It should stop winding when the bobbin is full or you take your foot off the control