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  1. #281
    Guys, has anyone got any experience or knowledge of these spindles I stumbled across?

    They are 80mm body and 220v/2.2kw/400hz so should be a straight drop in/drop out replacement (ideal as it makes it relatively easy to switch to 24,000rpm spindle if needed for composites etc). The difference is that they are 1,500-12,000rpm which would be a lot more suitable RPM range for milling plastics, foams, metals etc and opens up the potential to look at thread mills, reamers and makes drilling more viable.

    Only downside is they are significantly more expensive than the 24,000rpm garden variety... which makes it less appealing to take a punt!

    https://www.aliexpress.com/item/Low-...460.0.0.rut9B3

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  3. #282
    Quote Originally Posted by Zeeflyboy View Post
    Guys, has anyone got any experience or knowledge of these spindles I stumbled across?

    They are 80mm body and 220v/2.2kw/400hz so should be a straight drop in/drop out replacement (ideal as it makes it relatively easy to switch to 24,000rpm spindle if needed for composites etc). The difference is that they are 1,500-12,000rpm which would be a lot more suitable RPM range for milling plastics, foams, metals etc and opens up the potential to look at thread mills, reamers and makes drilling more viable.

    Only downside is they are significantly more expensive than the 24,000rpm garden variety... which makes it less appealing to take a punt!

    https://www.aliexpress.com/item/Low-...460.0.0.rut9B3
    Good find
    http://www.mycncuk.com/threads/10880...60cm-work-area My first CNC build WIP 120cm*80cm

    If you didn't buy it from China the company you bought it from did ;)

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  5. #283
    Managed to sneak in a little play time after work today... made the bottom plate for the Z-axis




    Top side done:




    Rear side - just used 3 dowel pins to locate it this time




    Finished part:






    Next up will be the back plate, hopefully have time to do that tomorrow after work.

    I also re-designed the top bearing support plate as per the advice of routercnc to allow one of the bearings to float into place. For now I've just 3D printed the bearing float plate... Thought it was interesting as I'm using my favourite material for actual functional parts - a PETG Carbon fibre infused filament which is brilliant to work with. Very stiff and strong (as the actress said to the bishop!) and very dimensionally stable too. Finishes nicely with a little light sanding too.








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  7. #284
    Quote Originally Posted by Zeeflyboy View Post
    Guys, has anyone got any experience or knowledge of these spindles I stumbled across?

    They are 80mm body and 220v/2.2kw/400hz so should be a straight drop in/drop out replacement (ideal as it makes it relatively easy to switch to 24,000rpm spindle if needed for composites etc). The difference is that they are 1,500-12,000rpm which would be a lot more suitable RPM range for milling plastics, foams, metals etc and opens up the potential to look at thread mills, reamers and makes drilling more viable.

    Only downside is they are significantly more expensive than the 24,000rpm garden variety... which makes it less appealing to take a punt!

    https://www.aliexpress.com/item/Low-...460.0.0.rut9B3
    Zeeflyboy, I'm also in search for new spindle and maybe this, permanent torque spindle, will look interesting for you too :)

    https://www.aliexpress.com/item/High...999.262.d7v80G

    p.s. great build !

  8. #285
    Wow. Just Wow.

    This is next level stuff. I have just joined this forum and hope to build a machine myself. Your work is very inspiring.
    I love the way it is coming together just like the renderings and the 3d printed gaskets are the icing on the cake.

    Cant wait to see it in action.

    Ollie

  9. #286
    Muzzer's Avatar
    Lives in Lytham St. Annes, United Kingdom. Last Activity: 4 Hours Ago Has been a member for 6-7 years. Has a total post count of 417. Received thanks 61 times, giving thanks to others 10 times.
    How did you create the belt in your assembly? Fusion doesn't (yet) have the rather neat belt / chain create / mate function that you can find in the likes of Solidworks, so the only way I could see to have done it would be to model the locus of the belt and extrude it. Then use bitmap to create the text for that finishing touch! Finessing the belt length so that it ended up as a standard length must have been a bit of a fiddle and is one area where the SW belt / chain function is a real bonus.

    Nice work!

  10. #287
    Quote Originally Posted by Ollie78 View Post
    Wow. Just Wow.

    This is next level stuff. I have just joined this forum and hope to build a machine myself. Your work is very inspiring.
    I love the way it is coming together just like the renderings and the 3d printed gaskets are the icing on the cake.

    Cant wait to see it in action.

    Ollie
    Thanks, good luck with your build!

    Quote Originally Posted by Muzzer View Post
    How did you create the belt in your assembly? Fusion doesn't (yet) have the rather neat belt / chain create / mate function that you can find in the likes of Solidworks, so the only way I could see to have done it would be to model the locus of the belt and extrude it. Then use bitmap to create the text for that finishing touch! Finessing the belt length so that it ended up as a standard length must have been a bit of a fiddle and is one area where the SW belt / chain function is a real bonus.

    Nice work!
    I used a belt calculator to work out the distance between locus for a standard length belt and then did it as you suggest. A belt/chain wizard would be a welcome addition to fusion for sure - might be worth putting in feature request (if it hasn't already been submitted)... my experience has been that they are very active on implementing requests that get sufficient interest.

  11. #288
    Quote Originally Posted by Zeeflyboy View Post
    Thanks, good luck with your build!



    I used a belt calculator to work out the distance between locus for a standard length belt and then did it as you suggest. A belt/chain wizard would be a welcome addition to fusion for sure - might be worth putting in feature request (if it hasn't already been submitted)... my experience has been that they are very active on implementing requests that get sufficient interest.
    Seems more like an api plugin to me for the store, there's some cool plugins but can't remember if I saw a belt one.
    http://www.mycncuk.com/threads/10880...60cm-work-area My first CNC build WIP 120cm*80cm

    If you didn't buy it from China the company you bought it from did ;)

  12. #289
    Muzzer's Avatar
    Lives in Lytham St. Annes, United Kingdom. Last Activity: 4 Hours Ago Has been a member for 6-7 years. Has a total post count of 417. Received thanks 61 times, giving thanks to others 10 times.
    Quote Originally Posted by Zeeflyboy View Post

    I used a belt calculator to work out the distance between locus for a standard length belt and then did it as you suggest. A belt/chain wizard would be a welcome addition to fusion for sure - might be worth putting in feature request (if it hasn't already been submitted)... my experience has been that they are very active on implementing requests that get sufficient interest.
    I submitted it 2 years ago but obviously they are focusing on the core functionality first. https://forums.autodesk.com/t5/fusio...7755765#M30496

    The way Solidworks does it is really powerful and cool. Hopefully when the Fusion team turn their thoughts to it, they will make a good job of it.


  13. #290
    I added my vote and a new comment to do my bit ;)

    Got the back plate for the Z-axis machined out today.

    Most of the top side done, including second fixture work




    Side clamps removed and attacking it with my big 10mm roughing bit (10mm Depth of cut, 1mm axial engagement, 9,600rpm, 2000mm/min)




    Top side machining done:




    Again used dowels here to locate and align the work for the back side. 6mm roughing bit here hogging out the centre channel (7mm DoC, 1mm axial, 10,000rpm, 1500mm/min) followed by some tidying up and a final contour with a 3mm to get a tighter radius in the corners



    Finished with some chamfers




    Still need to make a jig to drill the top and bottom to attach the end plates, but here's a quick semi-assembled pic:




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