After i threaded the bobbin the bobbin winding stays on the computer
SOURCE: Bobbin winding
On the top left side of your machine is a round thread guide which is supposed to create tension and guide the thread. Sometimes the thread comes out of this thread guide and causes the problems you are experiencing. Wrap the thread around this guide one time and you should have your problem resolved.
sewman7
SOURCE: The bobbin winder won't turn to wind the thread onto the bobbin
your bob winder unit has run dry and needs oil to be worked into it
SOURCE: Bobbin Elna 500?
I found listings for two different Elna 500 sewing machines.
You can download or view the information that pertains to your model - http://safemanuals.com/reference-ELNA/1
The site will give you the security code to enter for the download.
SOURCE: The bobbin winds really loose
You need to keep tension on the thread spool as you wind the bobbin to avoid this from happening. Also, is there a little tension device to take the thread around between the spool and the bobbin winder? Some machines have a little silver button tensioner purely for bobbin winding to keep the thread flowing smoothly.
But I always do the following anyway just to ensure a smooth bobbin. Take the thread from your spool, through the eyelet or tensioner, then back to the bobbin and put the tail end up through a hole in the top of the bobbin. Now put the bobbin onto the winder and click it against the stop. Place the curved handle of a pair of scissors onto the top of the thread spool and apply some gentle pressure to stop the spool from bouncing and jumping while winding off. Keep doing this through the winding process.
Start the bobbin winding mechanisim, its a button on my Janome 6500, yours might be a little different. HOLD the thread tail until you've got coverage over the whole bobbin area catching the starting point. Stop, trim the thread tail off top of the bobbin with scissors, then restart winding again. Watch as the thread winds and give it a nudge with your finger tip to the top or bottom so the bobbin winds evenly across the whole spool's width.
Best analogy here is when you wind the garden hose onto the reel, if it goes on all over the place you never get the whole length on neatly, but if you wind it on neatly in an even tight coil across the spool, then back again, then repeat, you get a tidy hose. But just wind madly, it all builds up in the middle, you can't get it all onto the reel, and it won't pull out nicely next time you need it. Same thing with your SM thread.
Polyester and silky embroidery threads will be worse too as they are silky, so if the thread hasn't been wound on smoothly and under tension, then it will "collapse" with gravity, then when you use the bobbin, the thread is going to be caught on itself, will feed unevenly and be stretched, then loose, giving you less than perfect stitch tension.
My other bobbin tip is store the bobbins in a plastic bobbin tray so they are lying on their edges and under a cover. Keeps them neater and they are less likely to unwind stray threads around your sewing cabinet if you store them on the spool pins build onto the cabinet door - and it keeps the thread dust free. But I do not keep thread on bobbins for long, prefer to wind a fresh one off a new spool when I start a project and can usually complete a garment with a 3/4 filled bobbin, use the remaining few metres for handsewing, then junk the rest. Then I put the thread spool that is left back into a sealed takeway container to keep it away from UV, dust and moisture.
I hope this assists you with your machine and certainly if this doesn't resolve the bobbin issues, then I'd suggest you visit your dealer and ask them to demonstrate the technique on your machine to see if there is a technical issue with it.
SOURCE: My elna sewing machine bobbin
If the fly wheel is going around then the clutch isn't disengaged to wind the bobbin, you need to pull out the flywheel on your model to disengage the clutch for bobbin winding.
Take thread from thread spool across to bobbin winder thread guide, then back to bobbin and thread the tail through the hole on top of the bobbin. Place bobbin onto spindle on top of machine and then push it against the stop to engage the bobbin winding motor. HOld the thread tail up and start winding slowly until the bobbin core has been covered including the starting point. Stop and trim off the thread tail with scissors. COntinue winding bobbin and give the thread a nudge if needed to wind evening top middle and bottom of the bobbin. A good smooth wind is important. Also don't wind at full speed and keep an eye on the thread reel that the thread is coming off, you don't want it bouncing around as this will **** the thread and stretch then relax it affecting your bobbin wind.
Obviously if you know this and the bobbin winding mechanisim is just not working, then it will need a service/replacement by an Elna repair person.
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