[amayausers] Re: Speaking of bad bobbin spools......
- From: "Rod or Sharon" <springer37@xxxxxxxxxxxx>
- To: <amayausers@xxxxxxxxxxxxx>
- Date: Thu, 9 Nov 2006 12:33:54 -0700
Maybe just one more reason Rod and I are so sold on plastic sided NEB
bobbins. We just don't see problems at home or in the field with lint or
tension using them.
Sharon
----- Original Message -----
From: <e3m@xxxxxxx>
To: <amayausers@xxxxxxxxxxxxx>
Sent: Thursday, November 09, 2006 1:05 AM
Subject: [amayausers] Speaking of bad bobbin spools......
> Speaking of bad bobbin spools....
> Thought I'd share something I saw today that I haven't seen in a while.
> Customer was having problems with thread breaks, false thread breaks,
> false bobbin breaks, pull-outs and who knows what else I can think of, on
> one of their four brand new Amaya XT's. When checking all of the
> customary settings everything seemed to be in order.
> I checked the bobbin and it was fine. So I decided to compare the bobbin
> tension in the bobbin case while holding the bobbin in my hand and then
> again as I inserted the bobbin case into the rotary hook/bobbin basket.
> What I found was that the bobbin tension significantly increased as I
> "snapped" the bobbin case into it's position.
>
> What was causing this dilemma was the fact that the bobbin spool was too
> fat for the bobbin case. Now I know we have an obesity problem here in
> the United States but this is ridiculous.
> This was one odd ball bobbin that apparently took on too much bobbin
> thread at the factory and being too wide, was slightly protruding out of
> the back side of the bobbin case which caused problems when the case was
> plugged into the machine. This was from a brand new box of cardboard
> sided, Coats Brand, bobbins.
> Swapped bobbin out with another "thinner" bobbin spool and all our
> troubles went away.
>
> Now, I'm an advocate for the cardboard sided bobbins when it comes to
> "bang for my buck", but this is one more check I will be checking more
> frequently from now on.
>
> Good luck to all,
> Ed Orantes
> Amaya, XT, Sequin, EMT & C Technician
> 504-258-6260
>
>
>
> -------------- Original message from "Roland R. Irish III"
> <signman@xxxxxxxxxxxxxxxxxxx>: --------------
>
>
>> My first thought is to yank the bobbin holder out, totally clean it,
>> check the tension, and start with a new spool for bobbin thread. Also
>> pull the needle plate off, really clean inside there-look for thread
>> stuck in there. Clean and check everything to do with the bobbin-so
>> you can eliminate that as a suspect when you do a test run.
>> Yes, once in awhile you can hit a 'bad' spool. The way this is random
>> makes me think it is bobbin problem-maybe some lint
>> stuck in the tension bar or the 'pigtail' causing it to get too
>> tight, or forcing the tension bar 'up' so there isn't enough tension-
>> causing the birdnesting underneath.
>> If it was always the same needle you look for burr on the needle tip,
>> worn needle, needle bar out of alignment, etc.
>> but happening on different needles to me sounds like bobbin!
>> Throw some scrap in to test it out after you change and see what
>> happens.
>>
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