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| Making an accurate spindle with an innacurate chuck. |
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| kayz1:
What is the Ali block with the holes in it called please? a mates Dad has a set on a shelf at home, 4 inches down to 1/2 inch in 1/2" drops, all in a row... Ta! Lyn. |
| S. Heslop:
--- Quote from: kayz1 on November 24, 2013, 07:42:49 PM --- What is the Ali block with the holes in it called please? a mates Dad has a set on a shelf at home, 4 inches down to 1/2 inch in 1/2" drops, all in a row... Ta! Lyn. --- End quote --- They're called turner's cubes, and that's a pretty impressive amount of steps. I remember it being pretty tedious work making one with just 3 holes to bore, carefully counting graduations on the handwheels... |
| S. Heslop:
Just to conclude the story. The steady rest eventually arrived after a week and a bit and works great (but if I ever make one of my own, i'd definitely give it 4 fingers so it's less of a fiddle to adjust), but even after that there was still about 0.60mm wobble on the end of the shaft. This was caused by the motor's own spindle that I couldn't grind better than 0.01mm using my plywood setup and dremel knockoff. So I just scraped the shoulder of the spindle till I got 0.20mm wobble, which reduced vibrations to an amount I could live with. With that the spindle sander is now working. I just need to pretty it up and figure out the dust extraction because whoa nelly. Thanks for all your help! |
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