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300W DC spindle rigid bearing block
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Improves DC spindle rigidity
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- Printables
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- Mechanical Parts
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Chinese DC spindle bearing are mounted with rubber sleaves. You can clearly feel deflection when pushed with thumb.
See chapter 3
Aditional bearing reduce this play.
Block.stl
Print with 3-6 perimeters or solid.
Hide seam in bolt head cavity (this will improve concentricity):
Sleave.Stl
Should have snug fit on collet. Glue it to collet. Use sandpaper to fit bearing. Even better use Your CNC as improvised lathe (photo shows spindle already removed from mount)