re: CNC drilling

It's not hard to duplicate your hand drilling technique in CNC.
Just do dry runs and tweak the program until it matches your technique.
--
Phil Mattison
http://www.ohmikron.com/

----- Original Message -----
From: Ron Ginger <ronginger@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Friday, December 15, 2006 6:33 AM
Subject: [CAD_CAM_EDM_DRO] CNC drilling


> I just finished a new Jet mill conversion. In the past I have always
> been afraid to drill under CNC control- Ive let the program single step
> to location, then I operate the quill by hand.
>
> What feed rates are used for CNC drilling? Do you calculate chip load
> like you would for an end-mill? What is a reasonable chip load for a
> drill? I suppose that varies by drill diameter?
>
> ron ginger
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