Re: Mori Seki SL1 NC lathe programming

On 4 May 2006 15:38:39 -0700, "brewertr" <brewertr@xxxxxxx> wrote:

There comes a point where each person needs to determine where the line
is drawn when it comes to diminishing returns and adding processes.
With all the steps you are adding to Keith he is well past the point of
diminishing returns.

What was added?

1) The more calculations and data input at the machine the more
opportunities for errors.

You are not using WSP in any case.

That is why I wanted you to post your step by
step instructions so we could compare what each of us recommend to
Kieth for setup and programming. You knew that and that's why you won't
post it.

For setup just set it to the eneter of the TNR. Not hard.
For programming centerline works just fine. You can even cut
with both sides of the tool's radius and arc start & end point
locations are easier to calculate.
Try some fillets between some tapers ....

2) It is not necessary and in Keith's case counter productive to add
two levels of difficulty your recommended in programming and setup when
the machine control can't utilize the resulting product (code).

It cannot use centerline programming? LOL ... How would it know
which was which?

4) Now you seemingly advocate adding another unnecessary step of
drawing a simple 2D shape in 3D CAD?

This is an ASCII-only NG .... simple ways to convey what might
otherwise be pictures & hand-waving ...

On such a simple program as your
example that has a couple of lines and an edge break it seems counter
productive to draw it in CAD then export to CAM to assign tools and
tool path. Wasted time drawing a solid on a simple 2D profile when it
could and should be one step draw the tool path in CAM.

Where's jb when you need him? Anyone know?

No 8 axis lathe here for Keith. his SL-1 is simple 2D grunt work so
keep it simple. I am confident Keith would rather make good parts fast
rather than time consuming pretty pictures of parts slow which produces
confusing code and more opportunities for mistakes on setups.

Why not ask him how much he already knows? Orhow much he never
wants to know anything about?
--
Cliff
.

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