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Posted

I got a Juki lu-563 and as soon as i got it i took the old clutch motor out and now i use it as a boat anchor ;)
I invested in a Jack JK-563A-1 servo motor and its nice ! However ! its abit to fast for me even at its slower speed and when i did some digging around i found that i wasn't the only one with that problem and tried to find a good solution for it without spending 2-300 euros on top of that and i figured a smaller pulley would do the trick but couldn't find any 40 mm pully for it.
After some brainstorming i figured I just make a 3d model of what i needed and hired a 3d printer owner to print it for me :) and it arrived today, i needed to drill out the hole and do some file work to get it to fit and now it installed.
I printed it in PLA as a test and gonna run in until it falls apart but im 
surprised that it works so well !
im totally happy with the speed now, i can do a recording if anyone wanna see the speed.

Here is a few photos


IMG_20190313_155241.thumb.jpg.1d366af1aec70e2596ce9f5e4e494b55.jpgIMG_20190313_155248.thumb.jpg.dfe0180edd77560e44caea7b8ed1078a.jpg

 

Kind regards
Peter - Antfarm steel & leather

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Posted

That is some 'solid' MacGyver'ing right there . I giving you a Big thumbs-up on that print pulley . I seen it done ( printed pulley ) on ( the Larger Pulley ) with a under the table  gear reduction and the guy swears it works perfect . What material you printing with ?  The material will probable work for long time if you keep the friction/heat down with turning a low RPM .

I see in your forum profile you from Sweden . So I don't know if you get the old 80's 'MacGyver' episode reruns there for the DIY reference  ....LOL

.

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Posted
1 hour ago, stor said:

i can do a recording if anyone wanna see the speed.

Hi Stor, yes could you post a video of the speed:thumbsup:

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Posted

Thanks ! 
i was around for the original run of MacGyver !
Printed it in PLA as test, see how it holds up, where not sure it would work at all and my backup plan was to do a speed reducer with a large and small pulley.

/P

2 minutes ago, jimi said:

Hi Stor, yes could you post a video of the speed:thumbsup:

i sort it out tomorrow.

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Posted

If you search on ebay for "45mm pulley" they're around $3-4.

Machines wot I have - Singer 51W59; Singer 331K4; Seiko STH-8BLD; Pfaff 335; CB4500.

Chinese shoe patcher; Singer 201K (old hand crank)

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Posted

Nylon may be a better long term filament as stronger and often used in gears etc, now he has the STL file made for the printer just a few hours printing to use another filament

Mi omputer is ot ood at speeling , it's not me

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Posted (edited)
9 hours ago, dikman said:

If you search on ebay for "45mm pulley" they're around $3-4.

$3-4 shipped from China. Just ordered one yesterday. But I guess it's part of fun to DIY :) I do lot's of things that don't make any financial sense..

Edited by katit
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Posted
15 hours ago, dikman said:

If you search on ebay for "45mm pulley" they're around $3-4.

 

6 hours ago, katit said:

$3-4 shipped from China. Just ordered one yesterday. But I guess it's part of fun to DIY :) I do lot's of things that don't make any financial sense..

I did find alot of 40-45 mm pulley but none that fit my 13 mm axel that my Jack have and i guess i could have spent more time to trying to find the right one but in the spirit of DIY whats the fun in that ? :) i learned 2 new skills and hopefully inspiring someone in the process.
I keep you posted on the progress.

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Posted (edited)

 

On 3/13/2019 at 10:28 PM, jimi said:

Hi Stor, yes could you post a video of the speed:thumbsup:

Slowest i could run on the slowest speed (500)
The knocking sound is the hook hitting the needle, i just switched my hook (B1830-563-BA0) to get thicker thread at the bottom and i need to adjust the distance from hook to needle. sorting it out tomorrow. 

https://vimeo.com/323906546

Edited by stor
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Posted
12 hours ago, chrisash said:

Nylon may be a better long term filament as stronger and often used in gears etc, now he has the STL file made for the printer just a few hours printing to use another filament

yes, thats the plan now when i know it works.

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