Gallery, Projects and General > How do I??

Drilling around the circumference without RT

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raynerd:
A rotary table looks very desirable ...  :poke: ... am I being defeatist?!  :whip:, I just need these hole bang on and it seems a useful piece of kit to have anyway!

Darren:
In my pic it's what Stu pointed out

http://www.arceurotrade.co.uk/Catalogue/Collets/5C-Fixtures

kvom:
Assuming you can clamp the bar on the mill vise and locate the center, then a bit of trig and the dials/dro will get you there.

websterz:
Drill  a 1/2" hole in the end of the hex to a depth of about an inch. Face it off nice and square and part it off in the lathe. Turn down and inch of the 1.5" round to a good press fit (again with a good square shoulder) and press (hammer, what have you) into the hex, which has just become an indexing fixture. Clamp the hex in the mill vise, supoport the round end with a v-block so it's level, drill, rotate, repeat. Piece o'cake.  :thumbup:

shred:
Can you tap one end?  Then you could just run any reasonably accurate hex head bolt in tightly and clamp that in a vise.

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