Gallery, Projects and General > How do I??

Deep hole drilling 101 on lathe?

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unc1esteve:
Links to gun drilling

http://www.practicalmachinist.com/vb/general/gun-drilling-lathe-192962/

http://www.chaski.org/homemachinist/viewtopic.php?f=10&t=90457

unc1esteve:
You Tube

   

   

   

unc1esteve:
Information on barrel drilling

http://www.bgfta.org/files/akraba/INSTUMENTS/28543407-Guns-Mi-Thing-and-Tool-Making-Bible-by-h-Hoffman.pdf

PekkaNF:
Thank you very much Steve,

That PDF was very much spot on info I was lookking for. I probably could not find it, because I was bypassing all stuff about guns - because I'm not making one. Logical or not, but that was pretty much I should have been lookking. Drilling lubrication holes on marine diesels is not easily converted to garage level application.

The info I got made me feel better. My application should be whole lot more simple, because I need whole lot shorter hole and I'm not going to load this one. This is going to be interesting  :coffee: reading some time and then a little bit of application  :zap:

The only thing I'm worried about is the spindle material. I have very little free machining leaded steel (and dimater is too small) and pretty much the only right size material I have is mystery tempering steel that eats my convetional drills...although turns beatifully with inserts.

But one step a time.

Thank you,
Pekka

PeterE:
Would it be possible to grind a masonry (concrete) drill to a suitable angle and use that together with a suitable sleeve? In that case you get a carbide tip that well can handle tough stainless.

BR

/Peter

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