Re: [CAD_CAM_EDM_DRO] Slot drills

Hi Dan,

How's things in St. Louis? I'm slowly getting to the point where I'll be
able to get some usable aluminum castings made.

I think a slotting drill is one of those drills with RH & LH teeth which
are used to drill a hole and then it cuts in any direction. It's mostly
used on drywall and thin plywood. I've never heard of them used for
anything else.

I have heard of a milling cutter (LH twist, RH cut) referred to by wood
workers as a slotting drill. It's used to pull the waste up out of the slot
when cutting dadoes and such.

Smoke

> I recently was given a book called "The CNC Workshop" which teaches
> CNC programing. I haven't had time to go throught the entire course
> but I have loaded the software from the included CD and played with
> the CNCez milling simulator. I created a test part in Vector, saved
> it as a DXF file and then used ACEconverter to generate the g-code. A
> little editing in Notepad to select the tools and speeds and then
> load that into the milling program to create virtual chips. Great fun.
>
> One thing that I noticed is that the default tool library for the
> mill program has both end mills and slot drills. I've heard
> references to slot drills over the years but never knew exactly what
> they were. Neither J&L or McMaster-Carr seem to carry them. Does
> anyone have a good explanation for what they are? I asked one of my
> professional machinist buddies and he'd never heard of them.
>
> Dan Eaton (Saint Louis)
>
>
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