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| How do I....bore out a hollow section leaving the centre intact? |
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| kvom:
I see three other options for getting a very accurate result wrt concentricity. The easiest is to turn the parts between centers, so that you can receverse the parts without losing registration. You just need to have appropriate size lathe dogs and turn a dead center in the chuck before starting (and don't remove this center until finished). Another option is to use soft jaws with an appropriate size pocket milled into the jaws. Third, you could cut both sides of the part without unchucking. You'd need a LH turning tool, and might waste more material than with the other methods. I plan to make a slitting arbor "one of these days" and will most likely use the soft jaw method. |
| Alan Haisley:
Darren, Given: --- Quote from: Darren on December 22, 2009, 11:50:33 AM ---2, turn the part around and machine all the steps and thread the end, --- End quote --- What is the best way to undercut the facing corner where the blade hub hole will sit? Certainly if that is not done, the blade will never seat square and true to the spindle. Alan |
| Darren:
Hi Alan, I used a very sharp small nose radius index tip and undercut the face slightly. Not the diameter :thumbup: |
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