Putting smaller hollow ball in a larger hollow ball.


Home made drilling fixture for ¼” drill bit, use index on lathe.

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 Small ball on vacuum system, drill 4 holes on centerline.

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 Drill ¼” hole in tailstock end of the small hollow ball.

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 Index and drill 4 holes on larger hollow ball on the centerline.

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 Drill ¼” holes in both half’s of the larger hollow ball for dowels.

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 Glue ¼” dowels in smaller hollow ball.

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 Put glue only on one side of the dowels and in hole at headstock.

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 Clamp both half’s together and let the glue to cure.

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 Remove the tailstock half for drilling the last hole.

 Drill ¼” hole in the tailstock side of the small ball.

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Glue last dowel in small ball and put in the headstock side.



 Apply small amount of glue all around, clamp together, let cure.

 Finish the same as for a normal hollow ball.

 Ball is finished, still being held by the vacuum drum chuck.

 The finished hollow ball setting on the Oneway 1018 lathe bed.

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Completed project, 8” hollow ball Spalted Sycamore is the wood.

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