3018 CNC mount for 52mm spindle cast aluminum holder

Edit: 7/10/2019 - I updated the bearing block slider so that it has the proper spacing so it will roll a lot smoother.…
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updated April 22, 2022

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Edit: 7/10/2019 - I updated the bearing block slider so that it has the proper spacing so it will roll a lot smoother.

Edit: 12/13/2019 - I was having issues with my spindle fan grinding on my z-axis stepper motor in certain cases so I added a v3 of the bearing block that sticks out an extra 2 mm to avoid this interference.

I wanted to be able to use the cast aluminum holder included with the 500w spindle upgrade for the 3018 CNC so I designed this.

It requires:

4x m6 T-nuts

4x m6 x 70mm bolts (m5 x 60mm were included with the spindle)

4x 8 mm linear, 24 mm long and 15 mm diameter (standard is 18 mm long

This setup seems to be stiffer compared to the included all-plastic holder. The holes for the bearings and lead screw nut are 15.2mm and 10.2 mm in diameter.

I printed it at a 45 degree angle with no supports. I would recommended 4 walls and 20%+ infill.

Category: Parts

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The author marked this model as their own original creation. Imported from Thingiverse.

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