Singer 45K Open & Closed Frame Shuttle - Whats The Difference???

[TinkerTailor]

The question would be, "Is it worthwhile to have one of each if you are frequently switching a machine from small to big thread and back?" Obviously a 441 is set up out of the box with parts that can handle the biggest thread, with the tradeoff being not as good performance on smaller threads. Good luck getting a nice backside stitch and no blowout on the back when the needle hole in the feed dog is 3 stitches wide at a normal stitch length for 69 or 92...... Perhaps the closed/open frame question and which one is more common today also relates to machines being designed with huge thread in mind.

[CowboyBob]

21 hours ago, jimi said:

So Bob that is probably the reason the Frobana use the open frame type?? 

The Frobana has a wax pot on it for using cotton or linen thread (same as most other shoe stitchers) so I would guess it's another reason for the open type.Back when these old Singer 45K where being used they didn't have nylon thread so also had a wax pot for lubing the thread too.

[Yetibelle]

I have a 45 shuttle that was froze and would not pop the bobbin.  So after I got it cleaned up and scrapped out the crud I could get it to pop open.  I took out the press set-screw out if the press-release and then cleaned that out.  I'm not sure if it was crud or not but I think it had a thin strip of felt under the press release?  I think the felt is what kept the tension for it to click into the lock position? Maybe? Do you have a picture of what that felt looks like? Or what it should look like under the press-release?  I  suppose Incan just make one easy enough with an example.  Thanks

 

 

 

 

 

 

[Constabulary]

The "felt" must have been of mixture of old compressed dirt oil and lint See above pictures of parts or check the parts list - there is no felt.

[Yetibelle]

Yeah it must have just been allot of crud.  Wow it turned into a felt-like material that I will now refer to as a Machine-Pie (similar to cow-pie).  

 

[alexitbe]

On 17.11.2016 at 3:19 PM, CowboyBob said:

The Frobana has a wax pot on it for using cotton or linen thread (same as most other shoe stitchers) so I would guess it's another reason for the open type.Back when these old Singer 45K where being used they didn't have nylon thread so also had a wax pot for lubing the thread too.

Does this mean the the 45K shuttle fits a frobana?  this is good to know...

Thanks

Alex

[Constabulary]

The Frobana hook tip has a different profile I guess thats because of the curved needle. I once had a Frobana (was curious how it works but figured I cannot use it) but I honestly have not tried a 45K type hook in it

[alexitbe]

Thank you Constab....  I have seen a Frobana for sale, but it has no shuttle or hook race... I was wondering if it was possible to use the Singer 45k one...

 

All the best.

Alex

[Darren Brosowski]

I have seen the Frobana run with the 45k closed frame shuttle with no problems.

 

Whether or not the open frame makes any significant difference is a great question.

[alexitbe]

Thanks Darren,

I have just bought  a Frobrana / Gritzner with a shuttle, however it has no tension on it . I cannot get the tension spring to work.

I have found this shuttle for sale at 34 Euros and will probably give it a go... https://www.aliexpress.com/item/SHUTTLE-HOOK-CLOSED-FRAME-98622-98624-BOBBINS-95093-10-PCS-FOR-SINGER-45K-NECCHI-630-ADLER/32784850026.html?spm=2114.40010308.4.57.YYk4BB

The only problem is I will have to wait along time for it to arrive...

 

Cheers

Alex