Re: cnc lathe programming question

On Tue, 04 Apr 2006 10:05:01 -0500, xxx@xxxxxxx (McQ) wrote:

Cliff <Clhuprich@xxxxxxx> wrote:

On 3 Apr 2006 00:34:51 GMT, D Murphy <spamto154@xxxxxxxxxxx> wrote:

I still do the same thing from time to time. If you're standing in front
of the machine, it's a whole lot quicker to make a sketch and trig
something out than it is to go fire up a computer just to draw some
simple geometry.

Do it once & program your calculator if need be <sigh>.

Who makes a good programmable calculator?

This looks much like the first one I used for such:
http://www.rskey.org/forsale/detail.asp?id=37
IIRC 17 logical steps were needed & the calculator does 16 ....
(calculate any fillet between any two lines given the radius
one point on each line & each line's angle to the X axis & theTNR)
with line end points & arc center output.
Oops .. output the data for tool centerline (offset from surface)
data for G-code too.
Always had to do that final calculation later.. get one with at
least 18 steps programmable <G>. Modern times, you know.
--
Cliff
.

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