Re: [CAD_CAM_EDM_DRO] Newbie - Z-axis slipping

It might be that the bit is slipping due to dullness and after hole no 25
the extra force needed was able to partly overcome the clamping force of the
bit.

----- Original Message -----
From: "Janice" <bigforkshop@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Friday, January 30, 2004 7:57 PM
Subject: [CAD_CAM_EDM_DRO] Newbie - Z-axis slipping


> I'm brand new, self taught on my CNC router/engraver. I am
> currently using a single drill point function where I am drilling 30-
> 90 holes per part, at a precise depth of 0.043. I am losing depth
> starting at about hole 25, and losing up to .030 worth of depth over
> the course of the remaining holes. Am I expecting an unreasonable
> level of precision, or are there some explanations for why a Z-axis
> would lose depth? Thanks in advance!
>
>
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