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Spindle mount for a 400W ER11 Spindle motor

Discussion in 'CNC Mills/Routers' started by Dat Chu, Dec 11, 2014.

  1. Dat Chu

    Dat Chu New
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    I have one of these spindle motor from China.

    http://www.aliexpress.com/item/Newe...ir-cooling-spindle-motor-52mm/1599961871.html

    It comes with a nice and sturdy pillow block. However, I am having a hard time mounting the block onto my OX 60mm wide z axis. Does anyone have any recommendation on how to mount either the spindle directly or the spindle in the pillow block onto the z axis of an OX (the 60mm wide one)?
     
  2. thommy

    thommy New
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    Hey, I've been looking at those spindles too and the best solution I have come up with would be a 3mm alu plate wide enough hold the mount and tall enough to screw into the slot above and below.

    Let me know the hole spacing on your clamp and I will post a design file for the plate. Maybe you can get one cut somewhere, or just use it as template and very carefully drill the holes yourself.

    The holes which screw into the 52mm clamp will need to be countersunk for the plate to sit flush against the extrusion.
     
  3. Hytech2k

    Hytech2k Master
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    You could try Chris Laidlaw also, he can probably design one up no problem cut it and ship it to you. He makes plates, router mounts, etc...

    chrisclub@gmail.com
     
    Motions and Dat Chu like this.
  4. thommy

    thommy New
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    52mm clamp 2060 mount.png
    What you need is one of these. I can make one from 3mm alu plate no problem.

    I checked the listing again and found a diagram of the clamp. No need for countersunk holes, the 70mm centres sit outside of the 2060 extrusion making for a nice flush fit at the back of the plate.
     
  5. Dat Chu

    Dat Chu New
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    @thommy, that is exactly what I need. Let me follow up with you on PM so I can get one of these plates from ya.
     
  6. Dat Chu

    Dat Chu New
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    Well it turns out that I cannot PM people anymore, is there an email that I can follow up with you @thommy ?
     
  7. thommy

    thommy New
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    PM received just fine :)
     
  8. Johan Schreiner

    Johan Schreiner Well-Known
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    Be careful to see if the screw heads interfer with the solid wheels. I had to countersunk mine.....

    Johan
     
  9. thommy

    thommy New
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    Yes good point Johan, capscrews wouldn't be a good choice in this position. I will make one up and test it out when I get some time around the end of next week.
     
  10. Rick 2.0

    Rick 2.0 OpenBuilds Team
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    You may also need a spacer block to bring the plate out past the nuts on the Z-axis wheels.
     
  11. thommy

    thommy New
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    So to clarify what this is;

    It's a 2060 extrusion mounting plate for a Chinese 52mm spindle with two pairs of 70mm centred holes 18mm apart. You need to check clearance for the wheels at the back. It could benefit from a second 3mm spacer plate which does not extend beyond the 2060 in order to give clearance from the screws, or a 6mm plate with the edges milled down to 3mm, but countersinking those 4 holes if necessary is much simpler than making another plate as it can be done with an electric drill on a piece of wood.

    .skp file attached
     
  12. thommy

    thommy New
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  13. Dat Chu

    Dat Chu New
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    @thommy: I played around a bit with your file and add in the thickness that you suggested. This new file has a 10mm plate that fits OpenBuild 2060 extrusion leaving a 3mm flange on the side that fit into the Chinese 52mm spindle pillow mounting block.
     

    Attached Files:

  14. Joe Santarsiero

    Joe Santarsiero OB addict
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    Plz, give us a review on this spindle when your done.
    I've been eying all versions of this type for a while now and am split between these or an edging router.
     
  15. thommy

    thommy New
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    @Dat Chu: Excellent work. I don't have one of these setups to check that it's enough/too much clearance but a 10mm plate is going to add even more weight to the z axis assembly. 6mm would be preferable IMHO if it offers enough clearance, as it would decrease the mass being moved along the x-axis. Also 1/4" plate offcuts are probably more easy for you to find than 10mm ones.
     
  16. Dat Chu

    Dat Chu New
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    Certainly, Joe. I will start my thread and have some kind of review. @thommy: thank you for the tips. I will keep that in mind as I hunt for scrap aluminum pieces.
     
  17. Dat Chu

    Dat Chu New
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    Finally got myself a 3d printer so I can prototype the mounting piece. The mounting piece I posted previously doesn't fit since it doesn't have enough clearance for the m6 lock nut given the wheels along the z axis. Newer design coming soon.
     
  18. Dat Chu

    Dat Chu New
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    Bigger holes so the bolts go right through instead of threading in. Moving the m5 bolt holes 10mm further from each other so the block can fit in easily. The plate is now 12.7mm (1/2in thick) to make sure the m6 nut will fit.
     

    Attached Files:

  19. Motions

    Motions Veteran
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    I had Chris make one, er, 2 for me. It's a custom plate I designed specifically for the 400W spindle. It's small and strong.
    Chris has the design on hand so you can get him to make you one quick.
     
  20. Dat Chu

    Dat Chu New
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    Can I have the design file so I can test it out 3d printed before having it made?
     
  21. Motions

    Motions Veteran
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    Sure. Here's the DXF file. If you need another format, just let me know.
     

    Attached Files:

    Nick W likes this.
  22. Nick W

    Nick W Veteran
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    When I open your file in Sketchup it looks like this:
    [​IMG]
    Can you provide a screen shot of what it looks like in your software?
     
  23. Motions

    Motions Veteran
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    Because it's a DXF file, not sketchup. Here's the sketchup file.

    UPDATE: version 8
     

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    #23 Motions, Jan 24, 2015
    Last edited: Jan 24, 2015
  24. Rick 2.0

    Rick 2.0 OpenBuilds Team
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    Any chance you could post that in a lower version of Sketchup? Those of us still on XP can't install version 15. Thanks.
     
  25. Motions

    Motions Veteran
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    Changed it to version 8.
     
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  26. Nick W

    Nick W Veteran
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    Thanks. I was testing out the DXF import in Sketchup 2015. I guess it doesn't work too well. haha.
     
  27. Nick W

    Nick W Veteran
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    I'm not trying to be a pain but that file does not open in 2015 or version 8.
     
  28. Rick 2.0

    Rick 2.0 OpenBuilds Team
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    Opened fine in 2014. :thumbsup:
     
  29. Nick W

    Nick W Veteran
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    I'll re download it. maybe something got corrupted...
     
  30. Nick W

    Nick W Veteran
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    Yep, it works fine now. Don't mind me. Nothing to see here. :cool:
     

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