Re: Accuracy of i and j for arc centre

> From: "sid8ball" <sid8ball@...>
> Subject: Accuracy of i and j for arc centre
>
>
> Can anybody tell me how accurate i and j have to be.
> In metric i am rounding down to 3 decimal places and in imperial im
> rounding down to 4 decimal places.This could lead to a 0.001 error
> in metric and a 0.0001 error in imerial. would this be a problem?
>
> I dont want to use r instead of i and j

Hi Sid

With the EMC, you can adjust this to suit yourself and recompile. We look
at arc endpoint to compute whether the arc center is correct. Six places
was the default in inch but I think that four or even three is closer to
the default now.

Ray