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Re: Basic problem?


machinest80
 

--- In 7x12minilathe@..., "Capt Ken Appleby"
<captkenn@...> wrote:

Hi,
This might sound a bit basic but it has stumped me! While drilling
on
my lathe, I have broken two 2mm drills in two separate holes in a
steam engine alluminium casting. They have both broken off flush so
there is nothing to get hold of and there is not a lot of space
around them. I have thought of over-drilling the whole lot out (if I
can) and making a screw-in plug and milling it flush.

Is the casting a write-off - Or is there another way?

All help appreciated
Regards
Ken
Hi,
When drilling aluminium a good cutting fluid is a must, this kind of
metal welds to the drill bit quick.

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