Simple Singer 241 large hand/balance pulley Mod

[Sledzep01]

You need 2 of these.

https://www.ruland.com/MSC-15-F.html

 

And 1 of these

https://www.zoro.com/tb-woods-standard-v-belt-pulley-595-od-ak611/i/G6637970/

 

Goes on like magic, no modification at all.

 

 

 

 

 

1 minute ago, Sledzep01 said:

You need 2 of these.

https://www.ruland.com/MSC-15-F.html

 

And 1 of these

https://www.zoro.com/tb-woods-standard-v-belt-pulley-595-od-ak611/i/G6637970/

 

Goes on like magic, no modification at all.

 

 

 

 

 

EWell I did have to move the auto bobbin filler

[Constabulary]

Are you sure you have used a pulley with 1" bore on your machine? Is there a sleeve on the shaft? Just checking because usually machines of this class rather have a 3/8" shaft or so.

 

 

[Sledzep01]

4 hours ago, Constabulary said:

Are you sure you have used a pulley with 1" bore on your machine? Is there a sleeve on the shaft? Just checking because usually machines of this class rather have a 3/8" shaft or so.

 

 

there are 2 sleeves,sheaves,collars. click the first link. you need 2 of those.

 

Sled

Edited February 1, 2018 by Sledzep01
spelling

[trash treasure]

4 hours ago, Constabulary said:

Are you sure you have used a pulley with 1" bore on your machine? Is there a sleeve on the shaft?

 

 

I think he used the shaft collar, in his first link, as a sleeve - It had a 15mm bore and 25mm OD - Pretty close fit for a 1" bore pulley.

Oops ! - It looks like already answered - Sorry

 

Edited February 1, 2018 by trash treasure

[Constabulary]

my gad - haven´t noticed the measures of the collars / adjustment rings - just thought they are for holding the pulley in place.

Edited February 1, 2018 by Constabulary

[Uwe]

Clever solution. I suppose a second picture that shows how these pieces are nested and actually fit on the shaft would allow people to reconstruct what you did. I'm sure it's all clear and obvious in your mind, but that one picture doesn't really illustrate the story well.

[Uwe]

I needed to figure out how to make a CAD animation and this seemed like a good practice piece:

 

Edited February 1, 2018 by Uwe

[Sledzep01]

1 hour ago, Uwe said:

I needed to figure out how to make a CAD animation and this seemed like a good practice piece:

 

Exactly, except that the collars are touching each other.

Anyone with a 241 can be running the 6 inch pulley in a week.

Is there a list of machines where this shaft would be the same size? It would work for them too. I mean beyond the -11, -12. -13.

[Sledzep01]

Also I did have to file down 1 of the set screws in the collars, only 1 goes into the keyway, so the other is a little tall.

Sled