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Polyester thread.


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Having had a serious bout of problems with the bottom thread breaking on my brand new Goodyear I put the problem down to the tread.

The original cop had run out and I replaced it with what I thought was a like for like product. How wrong I was.

 

I noticed that the thread was "knotting" up in the body of the machine, causing it to lock up on the first tension wheel as it leaves the body of the machine.

So I spoke to my supplier, and was told this was probably because it was the "end of a batch" And was sent a replacement, Which turned out the same.

I had another cop off another company which also did the same.......HOW long is the end of a batch LOLDSCF2544.JPGDSCF2543.JPG

 

These are the problems I encountered, The more thread that came off the cop the more it twisted and the more it snapped.

 

So I decided to Buy some genuine Geneva Thread from Standard. The problem was cured imediatley.

So in my opinion there is no comparison between the two.

The only against is there is about half the amount of thread on the Geneva cop, but thats little price to pay for trouble free Stitching.

 

planet.

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problems with the bottom thread breaking
the thread was "knotting" up in the body of the machine

Think yourself lucky, I got caught out last week when the machine (bottom) thread ran out completely, Had to re-thread with a new cop.

But to top it all the thread went tight & snapped on Monday... :evil:

And why.....Because there was a bloody knot in the thread, no, not a tangle knot,

some half-wit in production had physically tied two lengths together. [-X

To say I was pissed at re-threading the machine again was an understatement :smt013

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It is important that the spool is upright and that the spool revolves when the thread is coming off it.

The twist effect can be seen easily if you pull cable off a drum of electrical cable with the drum sitting on a flat surface and pulling the cable upright off the drum. The more you pull off the more twist there is.

There is a thread staightener on some stitchers where the thread comes off the bobbin and many think that this is a tension device.

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It is important that the spool is upright and that the spool revolves when the thread is coming off it.

 

Not with braided thread it aint. The thread comes off the spool much better when the spool is laying down, So in effect the thread is exiting the spool the same as it was applied :wink: 8)

 

Same as unwinding an extension lead or a new hose pipe...........

 

Linen thread was wound so that the thread came out of the centre and worked with the twist of the thread, Braided is very much different Hugh.

 

carry on

 

 

planet.

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Did not explain properly, sorry..

What I mean was... If the bobbin is upright and you pu the tread up over the top it will twist. This thread is Flat not round.

If the bobbin is on its side and the thread comes off at a 90 degree angle as it would if the bobbin were upright then it should have very little twist.

 

If you remove the hose reel side and pull the hose off upright instead of uncoiling it you have the same effect of twist.

 

Not seeing the actual theadI wonder if it could be a fault of winding in the manufacturing plant!

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It is important that the spool is upright and that the spool revolves when the thread is coming off it.

 

Not with braided thread it aint. The thread comes off the spool much better when the spool is laying down, So in effect the thread is exiting the spool the same as it was applied

 

 

i get ya hugh,, when we used the frobana we didnt have this proplem cus the thread was horizontal and under a little tension, since i hve been using the goodyear i i have noticed alot of twist, and i think it is because it is upright,, :-k

 

 

Have you guys got learning dificulties

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I have problems with this & its amazing that the makers/rebuilders of these haven't considered this problem as much as the thread that runs through the machines. its a common problem without a common solution. putting a cob in a cardboard box when you pay so much for the machine in the first place is NOT the solution.

 

Have either of our sponsors, Standard or SiServe begun fitting a workable solution to the problem, because its a bloody nuisance!

 

Lee

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WTF you on about Hugh :lol:

 

go back to your first post.

1st pic shows thread coming off at right angles.....OK

2nd pic shows thread coming off from the top.......OK

 

Now.. 1st pic is how it should come off.

2nd pic causes twist because it comes off the top.

This happens with any flat or less than flexable wound material.

 

Not saying that this is the reason or answer though, just observing a technical problem that could be encountered.

 

In my day, (the days of the long toothed Dragon) there was a well known proberb that went something like this.

 

"He who buys String from Fellows not having Balls wound tight enough ends up with Knacker in Twist & Ball Ache" (or something like that) :D

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WTF you on about Hugh :lol:

 

go back to your first post.

1st pic shows thread coming off at right angles.....OK

2nd pic shows thread coming off from the top.......OK

 

 

They are both taken at the same angle :roll: I was holding them in one hand and taking picture with another. the angle in the picture wasn't my point..its the thread twisted.

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