From: Andrew Graves (agraves@totalcsteam.com)
Date: Fri May 06 2005 - 19:00:23 EEST
MessageThat's true - you could mix 0.003" layers with 0.006" layers etc.,
but then you really will have issues with blade gaps and would probably have
to set the gap parameters at some compromise value halfway between the
recommended values. It would probably be OK on a short part though.
-----Original Message-----
From: Warner, Pat [mailto:Pat.Warner@uk.renaultf1.com]
Sent: Friday, May 06, 2005 4:06 AM
To: Andrew Graves; rp-ml@rapid.lpt.fi
Subject: RE: [rp-ml] Question from a dinosaur
Sorry to contradict you Andrew.
Providing that the large layer thickness is a multiple of the smaller
one, multiple layer thicknesses can be achieved through a Z range.
Regards
Pat Warner
Digital Manufacturing Supervisor
Renault F1 Team
Enstone
Oxon
OX7 4EE
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--
From: owner-rp-ml@rapid.lpt.fi [mailto:owner-rp-ml@rapid.lpt.fi] On Behalf
Of Andrew Graves
Sent: 06 May 2005 02:29
To: rp-ml@rapid.lpt.fi
Subject: RE: [rp-ml] Question from a dinosaur
Yes Steve
It can be done, but it depends which version of Lightyear you are running.
I believe it couldn't be done in older versions.
You will probably have to utilize the "General" styles (with their wider
parameter allowances) to achieve what you want and beware the dreaded Blade
Gap parameters in the Recoat Parameters as they are related to the Layer
Thickness. You will have to change those also. It is advisable to stick
to multiples (e.g. 0.004" and 0.008" or 0.003" and 0.006" etc.) It's
still sometimes tricky though and care should be taken...don't experiment on
a vital build!!
What your guys probably mean is that you can't apply 0.004" to one part
and 0.005" to a different part. Remember, all parts on one given layer must
have the same Layer Thickness - so if you change LT at 2 inches into one
part, you should change at the same point on ALL the parts on the platform.
Good luck - let us know how you get on
Andrew Graves
Total C S Team, Inc.
661-803-4800
www.totalcsteam.com
-----Original Message-----
Hi, all -
I started running our first 250 in 1990, so I believe I qualify as a
dinosaur. I have not had to actually run the machines myself for several
years (since Maestro).
In the olden days, we used to use different ranges of layer thicknesses
within a part. I'm 99% sure that we could run one build style in a given
range in Maestro, then change to a different build style as we proceeded up
the part. So, if I wanted to build .006" layers on a real straight section,
then .003" layers on an area I wanted finer detail on, I could do that
(historical note - we used to use .010" layers and said that was "plenty
good," then went down to .005" if we REALLY wanted detail).
My LightYear-trained guys say this cannot be done. They say only one
build-style is allowed per platform (they agree you can do different recoat
styles, but not build styles).
I'd appreciate your feedback - is this really true? Obviously, I don't
have 3D maintenance, or I'd be calling them to ask them....
Thanks,
Steve Stewart
================================================
Steve Stewart
steve@protogenic.com
protogenic, inc.
http://www.protogenic.com
1490 w. 121 ave., suite 101
phone:303-252-0212
westminster, co 80234
fax:303-252-0223
================================================
Protogenic - Your design, our commitment
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