[TheForge] followup on holes in saw blade
Peter Fels & Phoebe Palmer
artgawk at thegrid.net
Thu May 6 13:24:34 EDT 2010
Andy;
Try a cutting lubricant and regrind your drill flutes to
a less aggressive angle...also drill a pilot hole
first......speed and feed matter of course.
Andy Gladish wrote:
> A couple weeks ago I was having trouble drilling holes in some knife blanks
> made from surplus metal-cutting bandsaw blades.
> What I ended up doing was heating to critical in the gas forge, then
> blocking the door, turning it off, and letting it cool slowly.
> Now I can drill them, though I wish the drill didn't chatter and squeal so
> much...
> Thanks for the help, everybody!
> Andy G.
>
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