Pre-wound bobbins
10-04-2014, 01:59 PM
#11
Super Member
Join Date: Feb 2012
Posts: 8,091
Joe I thought someone on here mentioned QC problems with her supplier for the metal ones. I was under the impression she was discontinuing her metal ones for that reason.
You can use plastic bobbins in machines designed for metal ones with no problems. Some newer machines are designed for plastic bobbins. Use ONLY plastic bobbins in those.
I guess I don't sew enough for it to be a huge issue for me to wind my own bobbins. It only takes a few seconds and if you have more thread around there's no reason to unthread the top spool. I find myself switching colors a lot and if I wound them in advance they would be the wrong color anyway, though for bobbin thread it's usually not critical.
I can see the advantage to prewound bobbins if you're production sewing but that's about it.
Rodney
You can use plastic bobbins in machines designed for metal ones with no problems. Some newer machines are designed for plastic bobbins. Use ONLY plastic bobbins in those.
I guess I don't sew enough for it to be a huge issue for me to wind my own bobbins. It only takes a few seconds and if you have more thread around there's no reason to unthread the top spool. I find myself switching colors a lot and if I wound them in advance they would be the wrong color anyway, though for bobbin thread it's usually not critical.
I can see the advantage to prewound bobbins if you're production sewing but that's about it.
Rodney
The last time I read the info on her site about the class 15 metal bobbins I remember it being something about the notch that fits over the little peg some machine's bobbin winders use to spin the bobbin. The current notch was too narrow and shallow so they didn't work right. I could be wrong, but that's what I remember.
"Most" of the machines I have that use class 15 bobbins are the other type that have the springy deal on the shaft to hold the bobbins. I've had no problems with any of Sew-Classic class 15 metal bobbins with those kinds of machines.
With the others I just dig through my stash of bobbins till I find a bunch that fit and get with the program.
I have never purchased any pre-wound bobbins. Those I have came in lots of goodies I bought here and there.
I wind my own bobbins. Like Cari, I use a lot of cone thread and like to wind my bobbins with thread that matches my top thread. I've got scads of bobbins so I can wind a bunch of them ahead of time when I want.
Joe
10-05-2014, 12:28 AM
#12
Super Member
Join Date: Jul 2012
Location: Not Here
Posts: 3,817
I know several people that use them with their Baileys - and they take a regular size class 15 bobbin. Several say they have to strip off a few yards of thread, then they work just fine. I've never tried them - go ahead and try them, you aren't going to hurt the machine, and they'll work or they won't.
When I am working on a quilt, I normally wind 10 bobbins before I start - though I do so with my silver 15-91, as I can get a much tighter, even wound bobbin that way. I do use my fingers to guide and apply more tension as I'm winding.
When I am working on a quilt, I normally wind 10 bobbins before I start - though I do so with my silver 15-91, as I can get a much tighter, even wound bobbin that way. I do use my fingers to guide and apply more tension as I'm winding.
1. I'm a little lazy. I'd rather spend time quilting than bobbin winding. Stopping to wind a bobbin seems to ruin my momentum.
2. They hold more. Especially with a LA machine, you notice this very quickly.
3. This is the big one for me: Tension. A pre-wound bobbin, the good ones at least, will have consistent tension from the beginning of the wind to the end.
For the longest time, I thought my Pfaff 6122 hated the pre-wounds. My supplier sent me some samples and the thread kept snapping. I threw them in the corner and forgot about them until Lucey arrived. One day, putting one of the pre-wounds I use on her into her case, I noticed that some of the bobbins were wound fuller than others. The reason I noticed is that a loop of thread had puddled off the bobbin inside the case, wrapped around the post and snapped the thread.
Aha! Pulled about 10m off one of the bobbins that my supplier had sent and put them in the Pfaff. No more trouble. Now I use the left overs from Lucey in the Pfaff. (Both use L bobbins)
As an aside, the L bobbins also work in the 15 cases - at least the horizontal ones. I haven't tried a vertical yet. I use them in my Kenmore/Janome too. One of these days, when life settles down some, I will try out a vertical case just to see what happens.
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