Bobbin Problem

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I have a problem with my bobbin that I wonder if anyone else has
experienced. If so, what did you do to resolve it. The problem is this:

As long as the bobbin is full the thread works fine but when it gets down
about halfway the thread starts slipping out of the bobbin case and winds
around the bobbin pole. This causes the stitches to skip or go wonky and
sometimes the thread even breaks.

I have tightened the bobbin case to see if that helps but I have to be
really careful about that because that sets the bobbin tension for the
stitches. I don't know what else to do so if anyone has any suggestions I'm
open to them all. It's on my Brother machine.

Hugs,
Mika



Re: Bobbin Problem
I have also had this recurring problem while sewing both with a pfaff and a
brother sewing machine.  It doesn't come down to any one reason though -
sometimes I have been using an extra fine bobbin thread or sewing 'really'
fast so that the bobbin thread is speeding along until it suddenly has to
slow down or stop.  When this happens, a loop forms inside the bobbin case
that can get tangled around the spool.

My suggestion is to come to a gradual stop or decrease in sewing speed
which isn't always possible and not always remembered.  

Also, when you load the bobbin and pull the thread out to the hook - hold
the bobbin in the case steady with your thumb while putting tension on the
thread before loading it into your machine.

Another thought is that the age of your bobbins and wear and tear against
the spindle of the case could have shaved inside the bobbin so that it is
not a snug fit.  I know that some of my newer plastic pfaff bobbins have
been very tight fitting.

jennellh
http://community.webshots.com/user/barnyowl


Re: Bobbin Problem
Ah, yes, our precious friend.  Answering you gently because all of us are  
hurting with you and holding you close - but it could easily be that your  
bobbin or your bobbin case is having a case of Cranky Pants.  My Bernina  
guy, who is not known for charm or kindness simply has his hair catch on  
fire if he catches me with an ' equal'  but not Bernina bobbin.  And,  
another thought - my older SM gets really grumpy if I wind a bobbin too  
quickly.  I won't bore you with technical things I don't bother to  
understand, but running a bobbin too fast somehow maybe puts a serious  
tension on the thread and can cause kersploofs.  God bless those of you who  
are trying to translate 'kersploof' from a dictionary, I think it's a thing  
you have to actually see to  understand. Polly  



Re: Bobbin Problem
On Fri, 15 Sep 2006 02:40:00 GMT, "polly esther"
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Ah ha!  That might be my problem.  I always load my bobbins at full
speed.  I never had a problem with my old machine which had a drop in
bobbin, but my new machine has a side loading bobbin case which might
be a tad more persnickety.  I'll try loading bobbins more slowly and
see if that helps.  
Debra in VA
See my quilts at  
http://community.webshots.com/user/debplayshere

Re: Bobbin Problem
wrote:

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So glad you asked this question.  I was having the same problem with
my new machine.  
Debra in VA
See my quilts at
http://community.webshots.com/user/debplayshere

Re: Bobbin Problem
Glad to be of help. Maybe we'll get the problem solved for both of us by
trying out the suggestions everyone has given us here. Thank you ALL so much
for your help and suggestions.

Hugs,
Mika

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I'm



Re: Bobbin Problem


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The bobbin case doesn't come apart that I can see. If I took it apart it
would never go back together correctly. I do clean the thing inside the
machine that the bobbin case fits into. It comes apart for cleaning and I
clean it regularly and oil it. The bobbins I use are ummm I think Singer
bobbins but also fit the Brother machines.

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It's a front loading. I have to take a case thingy off the front to get to
the bobbin. I'll have to take a closer look at the bobbin case to see if it
is worn down or anything. Thanks for the suggestion.

Hugs,
Mika



Re: Bobbin Problem
Mika - this type of problem is usually caused by back spin of the
bobbin. Does your bobbin case come with a small metal piece inside?
This piece is easy to lose when changing bobbins and if it's gone, it
could be the cause of your problems.

Linda
PATCHogue, NY

Re: Bobbin Problem
If it  had a small metal piece inside it's been gone for a long time. I
don't recall it having one though. I'll look at it closer and check it out
though.

Mika

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Re: Bobbin Problem
Mika,

My Pfaff was doing the same thing to me this summer, only the symptoms were
that if I sewed fast, then when I let up on the speed, the "backlash" at the
bobbin would cause the thread to wrap around the bobbin pole and SNAP....
After about the fifth time in one seam _I_ went SNAP and went to find
chocolate.   When I came back in a calmer frame of mind I tried several
things.

* How the bobbin was wound did make a difference.  Not so tight, and not so
full.  I agree with the other advise you have been given, wind at a slower
speed.
* A touch of sewing machine oil between the bobbin side and the back of the
bobbin case.  Use a cotton swab to clean off the oil every new bobbin full
of thread, then renew the tiny amount of oil.
* The thread was a problem too.  I discovered I had a spool of Gutermann
thread that was of inconsistent diameter.  It had extreme thick and thin
spots.  :-(  So as I sewed along, minding my own businesses, when a thick
spot would come, the bobbin tension would increase, and then when released,
would give me the "sprong" effect that would cause the wrapped thread and
the snapped serenity.  I have since marked that spool to be used as the top
thread only.

Good luck, and remember, chocolate is our friend,

Peggy in flammable SW Washington State

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Re: Bobbin Problem
Most of them are Singer bobbing but some are generic. I've never seen any
made specifically by or for Brother. I've had the machine for four years and
it has never been a problem before. I have a lot of bobbins so they get
rotated around a lot. Never thought about bobbins wearing out but I'll check
them all over real good for wear or damage.

Hugs,
Mika


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Re: Bobbin Problem
Mika wrote:

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Singer Type 15 or 'universal' bobbins...  Buy Singer or Bernina brand
ones, and don't use the plastic ones!

--
Kate  XXXXXX  R.C.T.Q Madame Chef des Trolls
Lady Catherine, Wardrobe Mistress of the Chocolate Buttons
We've slightly trimmed the long signature. Click to see the full one.
Re: Bobbin Problem Plastic or Metal
Ooohhhh.  Be careful Kate.

It might depend on the age of the machine I think.  I was
told by the Janome factory service guy here that most of the
newer machines SHOULD use the plastic brand bobbins because
the bobbin mechanism was "balanced for the lighter weight of
the plastic ones".  One dealer even told one of my sewers
that if she used metal bobbins in her new machine she would
have difficulty if she claimed related damage/problems under
warranty.

To be safe, I tell my sewers to stick with what came with
the original machine (plastic or metal) and use brand
bobbins.

My Janome is nearly 30yo and I ONLY use metal bobbins
because (a) I prefer them, and (b) that's what came with it.
I hate the thought of miniscule plastic filings floating
round in my machine, which is the last all metal model made
by Janome.  Back then I doubt there was any other kind
anyway    LOL.

So should we use metal or plastic?  Does anyone know the
"official" truth?

Have I been told another furfie?
--

Cheryl & the Cats
     0  0            o  o            0  0
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Re: Bobbin Problem Plastic or Metal
Cats wrote:
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My Elna dealer told me to use the plastic bobbins in my computerized
machines. I'm not sure why. I had used metal bobbins in my Elna Club
with no problems, but I'm sticking with plastic in my Quilter's Dream. I
agree that it is probably a good idea to stick with the kind that came
with your machine.

Julia in MN


--
This message has been scanned for viruses by Norton Anti-Virus

http://webpages.charter.net/jaccola /


Re: Bobbin Problem Plastic or Metal
Cats wrote:

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Most type 15 rather than other types of front loader use metal bobbins.
  But yes - if this is a newer one, use what came with it.  Drop in
bobbins for most modern machines these days are plastic.  The bobbin
case on my Lily is plastic, as are the bobbins.  While I have some metal
bobbins that fit and run smoothly, I don't use them as the weight is
wrong.  I use the HQ bobbins.  They are usually cheaper than the metal
type 15's I need for some of my older machines.
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My Singer I was given for my 21st birthday came with both metal and
plastic bobbins.  It took the drop-in type 66 bobbin, so for ages I had
some of each...  Always hated the plastic ones.  If I ever had bobbin
problems, they were caused by the plastic bobbins.  That was in 1977.
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No, not really: but many modern, brand new machines use the type 15
metal bobbin.
--
Kate  XXXXXX  R.C.T.Q Madame Chef des Trolls
Lady Catherine, Wardrobe Mistress of the Chocolate Buttons
We've slightly trimmed the long signature. Click to see the full one.
Re: Bobbin Problem Plastic or Metal
I go by the manufacturers' recommendation.  I buy only their brand, and
buy plastic or metal depending on what came with the machine.  I always
think that, if you deviate from this, then you have no comeback on the
manufacturer if anything should go wrong.  My Janome has a lots of it
made with metal (deduced from its weight!), but the outer casing is
plastic.
I have a feeling that the 'official truth' might depend on who you ask
 >g<
.
writes
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--
Best Regards
pat on the hill

Re: Bobbin Problem Plastic or Metal
If you have a low thread sensor, you need to use plastic bobbins.  IF
your machine is older and mechanical, metal bobbins may be better, even
if it came with plastic ones.  The heavier metal bobbins don't have the
"overspin" problems of the plastic ones.
For the removable bobbin cases of the front loading type.... make sure
the thread is securely under the "spring", the flat metal piece that
partially covers the slot the thread goes up through. (a very
grammatically poor sentence, that.) Also when loading the bobbin and
case into the machine, if your case has a "point" that sticks up (fits
into a "notch" on the shuttle race in the machine) have the thread go
around it. that helps seat the thread correctly.

Hope this helps.

Pati, in Phx


Cats wrote:
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Re: Bobbin Problem Plastic or Metal
My machine is only 4 years old but it's not computerized or anything like
that. I paid around $200 for it at Walmart. I'll give the metal bobbins a
try and see if that helps. Thanks for the suggestions.

Mika

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Re: Bobbin Problem Plastic or Metal

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<gently snipped>

 So should we use metal or plastic?  Does anyone know the
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I guess I should have read further. LOL. I have been using plastic since
that is what came with the machine.

Mika



Re: Bobbin Problem

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Hmmm, my machine came with plastic bobbins so that's what I've been using. I
haven't tried a metal bobbin in it yet. I'll give it a try though and see
what happens. Thanks for the suggestion.

Mika



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