Re: Fadal Drilling speed

on 2006-09-03 10:45:05 UTC

Hi Steve

Thanks
for the information! This is very helpful!

Charles

--- In CAD_CAM_EDM_DRO@yahoogroups.com, Steve Blackmore <steve@...>
wrote:

>
> On Sat, 02 Sep 2006 21:20:13 -0000, you wrote:
>
>
> >I'm wondering how fast a Fadal 4020 can drill a series of 15/16

holes

> >thru 3/8 mild steel, rectangular patttern, 2 rows of 4, 4"

centers?

> >
> >I don't have any experience with these machines, but it takes me

about

> >30-60 seconds per hole manually.
>
> Ignoring that specific machine, my feed/speed tables reckon 2

inches per

> minute at 400 rpm, using a HSS .9375 inch drill in mild steel.

Power

> requirement for that is .35 HP.
>
> A CNC machine should be able to drill all 8 holes in approx 2 1/2
> minutes from start to finish.
>
> Steve Blackmore
> --
>

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