[Sewing] incident report! artisan 618 needle bar replaced.

[sadplayhere]

Thank you
I haven't been back in such a long time. It is time for me to visit and see what I can work on. And drop off a small monetary contribution.Regards
Alice Thomas sadplayhere 

 
      From: miloh <froggytoad at gmail.com>
 To: Chris Murphy <chrisnoisebridge at gmail.com> 
Cc: "sewing at lists.noisebridge.net" <sewing at lists.noisebridge.net>
 Sent: Thursday, March 17, 2016 6:24 PM
 Subject: Re: [Sewing] incident report! artisan 618 needle bar replaced.
   
Hi Folks!

Wow what a response!  I just joined 'sewing discuss' to send this report.  :-D

The original machines in the sewing & textiles area are still running, and in addition to the aforementioned Artisan, there is additional infrastructure (like the worktable and parts storage areas by Hicksu) available for a variety of projects. 

The wiki page on sewing has more info that is not more than months out of date.   https://www.noisebridge.net/wiki/sewing

Also, a nota bene: I offered to capture the report so there's a public/online record of a repair this machine type. Kyle noted that when he searches for info on the original Juki straight stitch machine at Noisebridge, the regular results with information are from this list's archives!


regards,


On Thu, Mar 17, 2016 at 6:03 PM, Chris Murphy <chrisnoisebridge at gmail.com> wrote:

I'm excited about this too. It's been 'needed' there for years. I mean that in the sense that people were using the Juki for leather and talked of using it for bookbinding which wouldn't work so well or be good for it. 

Sent from my iPhone
On Mar 17, 2016, at 17:56, rachel lyra hospodar <rachelyra at gmail.com> wrote:


Thanks for this report, Miloh! I didn't know noisebridge had a walking foot now, very impressive.Is there a regular textiles night right now?Xoxxxxx
R.L.On Mar 17, 2016 5:53 PM, "miloh" <froggytoad at gmail.com> wrote:

Textile area Machine report:

TL;DR 
In the future, when changing the needle on the artisan 618, be careful not to remove 
the set screw all the way to replace a needle.


Kyle reports that today the needle fell out of the needle bar on the Artisan 
618-1SC, (the artisan 618 is a $2k walking foot, an awesome artisinal straight stitch
sewing walking foot machine at Noisebridge).

When trying to reinstall the needle the set screw wouldn't tighten. Kyle determined this 
occured because the threads on the needle bar are stripped. 

It looks like when the needle was being replaced another time,  the needle bar set screw 
was removed all the way when replacing the needle. When the set screw was reinserted, 
it was cross threaded and stripped, so today wouldn't tighten to hold the needle.

Fix : 

The needle bar had to be replaced (~$17 at Apparal City in SF's SOMA district)
FYI, the apparal city tech offered to repair this onsite for $90. Kyle just
bout the part and repaired himself in about 2 hours.

Even though Kyle replaced the needle bar and set screw with a new one, this turned out 
to be a complicated repair involving disassembly and timing of the Artisan 618. One must
remove both presser feet, the feed dog, the needle plate, and the hook assembly.

When the hook and needle bar is removed, you are undoing the timing of the 
machine --- the hook rotates and the needle bar plunges in close timing with a
half mm of tolerance. The machine has to be retimed for this repair, which is part of what 
makes it a difficult repair.


Thanks Kyle! 

-r. miloh alexander

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